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      "AdditionalPaidInCapital": {
        "label": "Additional Paid in Capital",
        "description": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.",
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      },
      "BusinessAcquisitionCostOfAcquiredEntityPurchasePrice": {
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              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
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              "accn": "0001628280-25-055209",
              "fy": null,
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              "form": "8-K",
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            },
            {
              "end": "2024-12-31",
              "val": 1540000000,
              "accn": "0001628280-26-007567",
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              "form": "10-K",
              "filed": "2026-02-12",
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            {
              "end": "2025-12-31",
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              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
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      },
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            {
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          ]
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      },
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              "filed": "2013-02-22",
              "frame": "CY2011Q4I"
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            {
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              "filed": "2013-02-22",
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      },
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              "filed": "2013-02-22",
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            {
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              "form": "10-K",
              "filed": "2013-02-22"
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            {
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              "filed": "2014-02-14",
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            {
              "end": "2013-12-31",
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              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2014Q4I"
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              "end": "2015-12-31",
              "val": 1450000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
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              "form": "10-K",
              "filed": "2016-02-11"
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              "val": 1450000000,
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              "form": "10-K",
              "filed": "2017-02-08",
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              "val": 1322000000,
              "accn": "0000055785-17-000017",
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              "form": "10-K",
              "filed": "2017-02-08"
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              "fy": 2017,
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              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2016Q4I"
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              "end": "2017-12-31",
              "val": 1024000000,
              "accn": "0000055785-18-000014",
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              "form": "10-K",
              "filed": "2018-02-08"
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              "val": 1024000000,
              "accn": "0000055785-19-000013",
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              "filed": "2019-02-07"
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              "fy": 2019,
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              "form": "10-K",
              "filed": "2020-02-13"
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              "accn": "0000055785-21-000016",
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              "accn": "0000055785-21-000016",
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              "form": "10-K",
              "filed": "2021-02-11"
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              "val": 1026000000,
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              "form": "10-K",
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              "accn": "0000055785-22-000010",
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              "form": "10-K",
              "filed": "2022-02-10"
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            {
              "end": "2021-12-31",
              "val": 1055000000,
              "accn": "0000055785-23-000012",
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              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2021Q4I"
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              "form": "10-K",
              "filed": "2023-02-09"
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              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "end": "2023-12-31",
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              "form": "10-K",
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            },
            {
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              "accn": "0001628280-25-055209",
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              "fp": null,
              "form": "8-K",
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              "frame": "CY2023Q4I"
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            {
              "end": "2024-12-31",
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              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 1245000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "end": "2024-12-31",
              "val": 1245000000,
              "accn": "0001628280-26-007567",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
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            {
              "end": "2025-12-31",
              "val": 1164000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
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              "val": 131000000,
              "accn": "0001193125-10-038621",
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              "form": "10-K",
              "filed": "2010-02-24",
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            {
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              "accn": "0001193125-11-043300",
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              "filed": "2011-02-23",
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            {
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              "fy": 2010,
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              "fy": 2020,
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              "form": "10-K",
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              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": -1022000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": -1000000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2019"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": -958000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2020"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 835000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2021"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": -735000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2022"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": -750000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2023"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": -727000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": -727000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": -710000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025"
            }
          ]
        }
      },
      "DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax": {
        "label": "Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Reclassification Adjustment, before Tax",
        "description": "Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income from prior service cost (credit) of defined benefit plan.",
        "units": {
          "USD": [
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": -54000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": -46000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": -34000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": -35000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": -17000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": -8000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2019"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": -6000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2020"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 2000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2021"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": -2000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2022"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": -2000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2023"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": -1000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": -1000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": -1000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025"
            }
          ]
        }
      },
      "DefinedBenefitPlanDebtSecurities": {
        "label": "Defined Benefit Plan, Debt Securities (Deprecated 2012-01-31)",
        "description": "The percentage of the fair value of debt securities to the fair value of total plan assets held as of the measurement date.",
        "units": {
          "pure": [
            {
              "end": "2009-12-31",
              "val": 0.37,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 0.38,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2010-12-31",
              "val": 0.38,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 0.58,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 0.58,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "end": "2012-12-31",
              "val": 0.6,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            }
          ]
        }
      },
      "DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation": {
        "label": "Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation (Deprecated 2012-01-31)",
        "description": "The effect of a one-percentage-point decrease in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits.",
        "units": {
          "USD": [
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 29000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 23000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": -16000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012"
            }
          ]
        }
      },
      "DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents": {
        "label": "Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components (Deprecated 2012-01-31)",
        "description": "The effect of a one-percentage- point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs.",
        "units": {
          "USD": [
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 2000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 2000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": -1000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012"
            }
          ]
        }
      },
      "DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation": {
        "label": "Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation",
        "description": "Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate.",
        "units": {
          "USD": [
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 31000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 23000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 16000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012"
            }
          ]
        }
      },
      "DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents": {
        "label": "Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components",
        "description": "Amount of increase in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point increase in assumed health care cost trend rate.",
        "units": {
          "USD": [
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 2000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 2000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 1000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012"
            }
          ]
        }
      },
      "DefinedBenefitPlanEquitySecurities": {
        "label": "Defined Benefit Plan, Equity Securities (Deprecated 2012-01-31)",
        "description": "The percentage of the fair value of equity securities to the fair value of total plan assets held as of the measurement date.",
        "units": {
          "pure": [
            {
              "end": "2009-12-31",
              "val": 0.63,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 0.62,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2010-12-31",
              "val": 0.62,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 0.42,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 0.42,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "end": "2012-12-31",
              "val": 0.4,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            }
          ]
        }
      },
      "DefinedBenefitPlanEstimatedFutureEmployerContributionsInCurrentFiscalYear": {
        "label": "Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year (Deprecated 2013-01-31)",
        "description": "The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan in the current remaining fiscal period. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.",
        "units": {
          "USD": [
            {
              "end": "2013-06-30",
              "val": 200000000,
              "accn": "0000055785-13-000071",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-09-30",
              "val": 200000000,
              "accn": "0000055785-13-000083",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-01",
              "frame": "CY2013Q3I"
            }
          ]
        }
      },
      "DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear": {
        "label": "Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2013-01-31)",
        "description": "The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.",
        "units": {
          "USD": [
            {
              "end": "2010-09-30",
              "val": 240000000,
              "accn": "0001193125-10-251479",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
              "val": 240000000,
              "accn": "0001193125-10-182676",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q4I"
            }
          ]
        }
      },
      "DefinedBenefitPlanFairValueOfPlanAssets": {
        "label": "Defined Benefit Plan, Plan Assets, Amount",
        "description": "Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.",
        "units": {
          "USD": [
            {
              "end": "2009-12-31",
              "val": 3895000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 4192000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2010-12-31",
              "val": 4192000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 4840000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 5567000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 5914000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
            }
          ]
        }
      },
      "DefinedBenefitPlanFutureAmortizationOfGainLoss": {
        "label": "Defined Benefit Plan, Future Amortization of Gain (Loss) (Deprecated 2017-01-31)",
        "description": "Amount included in accumulated other comprehensive income (AOCI) related to gain (loss) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position.",
        "units": {
          "USD": [
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": -116000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": -52000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015"
            }
          ]
        }
      },
      "DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit": {
        "label": "Defined Benefit Plan, Future Amortization of Prior Service Cost (Credit) (Deprecated 2017-01-31)",
        "description": "Amount included in accumulated other comprehensive income (AOCI) related to prior service cost (credit) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position.",
        "units": {
          "USD": [
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 10000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": -10000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015"
            }
          ]
        }
      },
      "DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear": {
        "label": "Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year (Deprecated 2017-01-31)",
        "description": "The assumed health care cost trend rate for the next year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status.",
        "units": {
          "pure": [
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0.071,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 0.071,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 0.071,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 0.062,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 0.063,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 0.058,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015"
            }
          ]
        }
      },
      "DefinedBenefitPlanNetPeriodicBenefitCost": {
        "label": "Defined Benefit Plan, Net Periodic Benefit Cost (Credit)",
        "description": "Amount of net periodic benefit cost (credit) for defined benefit plan.",
        "units": {
          "USD": [
            {
              "start": "2016-01-01",
              "end": "2016-03-31",
              "val": 32000000,
              "accn": "0000055785-17-000033",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-04-24",
              "frame": "CY2016Q1"
            },
            {
              "start": "2016-01-01",
              "end": "2016-06-30",
              "val": 61000000,
              "accn": "0000055785-17-000057",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-07-25"
            },
            {
              "start": "2016-01-01",
              "end": "2016-09-30",
              "val": 87000000,
              "accn": "0000055785-17-000067",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-10-23"
            },
            {
              "start": "2017-01-01",
              "end": "2017-03-31",
              "val": 27000000,
              "accn": "0000055785-17-000033",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-04-24",
              "frame": "CY2017Q1"
            },
            {
              "start": "2017-01-01",
              "end": "2017-06-30",
              "val": 55000000,
              "accn": "0000055785-17-000057",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-07-25"
            },
            {
              "start": "2017-01-01",
              "end": "2017-09-30",
              "val": 81000000,
              "accn": "0000055785-17-000067",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-10-23"
            }
          ]
        }
      },
      "DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation": {
        "label": "Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation",
        "description": "Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.",
        "units": {
          "USD": [
            {
              "end": "2009-12-31",
              "val": 5108000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 5076000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2010-12-31",
              "val": 5076000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 5664000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "end": "2011-12-31",
              "val": 5664000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 6440000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 5994000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 6696000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 2096000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 3736000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08"
            },
            {
              "end": "2016-12-31",
              "val": 3736000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 2134000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08"
            },
            {
              "end": "2017-12-31",
              "val": 2134000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 1826000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "end": "2018-12-31",
              "val": 1826000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 1956000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13"
            },
            {
              "end": "2019-12-31",
              "val": 1956000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 311000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11"
            },
            {
              "end": "2020-12-31",
              "val": 311000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 1788000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10"
            },
            {
              "end": "2021-12-31",
              "val": 1788000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 1251000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09"
            },
            {
              "end": "2022-12-31",
              "val": 1251000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 2273000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "end": "2023-12-31",
              "val": 2273000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2023-12-31",
              "val": 2259000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 2056000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 2042000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "end": "2024-12-31",
              "val": 2042000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 1086000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets": {
        "label": "Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets",
        "description": "Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets.",
        "units": {
          "USD": [
            {
              "end": "2009-12-31",
              "val": 3981000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 4135000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2010-12-31",
              "val": 4135000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 5016000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "end": "2011-12-31",
              "val": 5016000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 5335000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "end": "2012-12-31",
              "val": 5335000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 5163000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "end": "2013-12-31",
              "val": 5163000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 4111000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18"
            },
            {
              "end": "2014-12-31",
              "val": 4111000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 1696000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11"
            },
            {
              "end": "2015-12-31",
              "val": 1696000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 3243000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08"
            },
            {
              "end": "2016-12-31",
              "val": 3243000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 1699000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08"
            },
            {
              "end": "2017-12-31",
              "val": 1699000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 1547000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "end": "2018-12-31",
              "val": 1547000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 1714000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13"
            },
            {
              "end": "2019-12-31",
              "val": 1714000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 119000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11"
            },
            {
              "end": "2020-12-31",
              "val": 119000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 1616000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10"
            },
            {
              "end": "2021-12-31",
              "val": 1616000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 1089000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09"
            },
            {
              "end": "2022-12-31",
              "val": 1089000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 2095000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "end": "2023-12-31",
              "val": 2095000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2023-12-31",
              "val": 2093000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 1877000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 1874000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "end": "2024-12-31",
              "val": 1874000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 928000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation": {
        "label": "Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation",
        "description": "Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.",
        "units": {
          "USD": [
            {
              "end": "2009-12-31",
              "val": 5228000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 5187000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2010-12-31",
              "val": 5187000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 5708000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "end": "2011-12-31",
              "val": 5708000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 6558000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 6164000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 6860000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 2115000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 3807000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08"
            },
            {
              "end": "2016-12-31",
              "val": 3807000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 2146000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2017Q4I"
            }
          ]
        }
      },
      "DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets": {
        "label": "Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets",
        "description": "Amount of plan asset for defined benefit pension plan with projected benefit obligation in excess of plan assets.",
        "units": {
          "USD": [
            {
              "end": "2018-12-31",
              "val": 1727000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 2039000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13"
            },
            {
              "end": "2019-12-31",
              "val": 2039000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 529000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11"
            },
            {
              "end": "2020-12-31",
              "val": 529000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 1648000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10"
            },
            {
              "end": "2021-12-31",
              "val": 1648000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 1091000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09"
            },
            {
              "end": "2022-12-31",
              "val": 1091000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 2102000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "end": "2023-12-31",
              "val": 2102000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2023-12-31",
              "val": 2100000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 1878000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 1875000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "end": "2024-12-31",
              "val": 1875000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 928000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation": {
        "label": "Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation",
        "description": "Amount of projected benefit obligation for defined benefit pension plan with projected benefit obligation in excess of plan assets.",
        "units": {
          "USD": [
            {
              "end": "2018-12-31",
              "val": 2038000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 2303000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13"
            },
            {
              "end": "2019-12-31",
              "val": 2303000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 744000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11"
            },
            {
              "end": "2020-12-31",
              "val": 744000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 1835000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10"
            },
            {
              "end": "2021-12-31",
              "val": 1835000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 1261000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09"
            },
            {
              "end": "2022-12-31",
              "val": 1261000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 2288000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "end": "2023-12-31",
              "val": 2288000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2023-12-31",
              "val": 2270000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 2067000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 2048000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "end": "2024-12-31",
              "val": 2048000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 1090000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "DefinedBenefitPlanPlansWithBenefitObligationsInExcessOfPlanAssetsAggregateBenefitObligation": {
        "label": "Defined Benefit Plan, Plan with Benefit Obligation in Excess of Plan Assets, Benefit Obligation (Deprecated 2018-01-31)",
        "description": "Amount of benefit obligation for defined benefit plan with benefit obligation in excess of plan assets.",
        "units": {
          "USD": [
            {
              "end": "2017-12-31",
              "val": 2480000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 2038000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "DefinedBenefitPlanPlansWithBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets": {
        "label": "Defined Benefit Plan, Plan with Benefit Obligation in Excess of Plan Assets, Fair Value of Plan Assets (Deprecated 2018-01-31)",
        "description": "Fair value of plan assets for defined benefit plan with benefit obligation in excess of plan assets.",
        "units": {
          "USD": [
            {
              "end": "2017-12-31",
              "val": 2011000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 1727000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments": {
        "label": "Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment",
        "description": "Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees.",
        "units": {
          "USD": [
            {
              "start": "2009-04-01",
              "end": "2009-06-30",
              "val": 21000000,
              "accn": "0001193125-10-251479",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2009Q2"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 21000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009"
            }
          ]
        }
      },
      "DefinedBenefitPlanServiceCost": {
        "label": "Defined Benefit Plan, Service Cost",
        "description": "Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.",
        "units": {
          "USD": [
            {
              "start": "2016-01-01",
              "end": "2016-03-31",
              "val": 17000000,
              "accn": "0000055785-17-000033",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-04-24",
              "frame": "CY2016Q1"
            },
            {
              "start": "2016-01-01",
              "end": "2016-06-30",
              "val": 30000000,
              "accn": "0000055785-17-000057",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-07-25"
            },
            {
              "start": "2016-01-01",
              "end": "2016-09-30",
              "val": 41000000,
              "accn": "0000055785-17-000067",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-10-23"
            },
            {
              "start": "2017-01-01",
              "end": "2017-03-31",
              "val": 13000000,
              "accn": "0000055785-17-000033",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-04-24",
              "frame": "CY2017Q1"
            },
            {
              "start": "2017-01-01",
              "end": "2017-06-30",
              "val": 26000000,
              "accn": "0000055785-17-000057",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-07-25"
            },
            {
              "start": "2017-01-01",
              "end": "2017-09-30",
              "val": 38000000,
              "accn": "0000055785-17-000067",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-10-23"
            }
          ]
        }
      },
      "DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear": {
        "label": "Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year (Deprecated 2017-01-31)",
        "description": "Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period.",
        "units": {
          "USD": [
            {
              "start": "2014-01-01",
              "end": "2014-03-31",
              "val": 200000000,
              "accn": "0000055785-14-000035",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-04-21",
              "frame": "CY2014Q1"
            },
            {
              "start": "2014-04-01",
              "end": "2014-06-30",
              "val": 200000000,
              "accn": "0000055785-14-000065",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-07-22",
              "frame": "CY2014Q2"
            },
            {
              "start": "2014-07-01",
              "end": "2014-09-30",
              "val": 200000000,
              "accn": "0000055785-14-000089",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-10-21",
              "frame": "CY2014Q3"
            },
            {
              "start": "2016-01-01",
              "end": "2016-03-31",
              "val": 100000000,
              "accn": "0000055785-16-000152",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-04-22",
              "frame": "CY2016Q1"
            },
            {
              "start": "2016-01-01",
              "end": "2016-06-30",
              "val": 100000000,
              "accn": "0000055785-16-000181",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-07-25"
            },
            {
              "start": "2016-01-01",
              "end": "2016-09-30",
              "val": 100000000,
              "accn": "0000055785-16-000194",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-10-24"
            }
          ]
        }
      },
      "DefinedBenefitPlanTargetAllocationPercentageOfAssetsDebtSecurities": {
        "label": "Defined Benefit Plan, Target Allocation Percentage of Assets, Debt Securities (Deprecated 2012-01-31)",
        "description": "Target allocation percentage of investments in debt securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.",
        "units": {
          "pure": [
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0.4,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 0.4,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 0.6,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 0.6,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2013"
            }
          ]
        }
      },
      "DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquitySecurities": {
        "label": "Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities (Deprecated 2012-01-31)",
        "description": "Target allocation percentage of investments in equity securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.",
        "units": {
          "pure": [
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0.6,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 0.6,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 0.4,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 0.4,
              "accn": "0000055785-13-000011",
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              "fp": "FY",
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              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 781000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 781000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 781000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 773000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 773000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 773000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2015"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 720000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 720000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 720000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 627000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 627000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 627000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 635000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 635000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 635000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 727000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 727000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2019"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 786000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2020"
            }
          ]
        }
      },
      "EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss": {
        "label": "Equity Method Investment, Summarized Financial Information, Net Income (Loss) (Deprecated 2020-01-31)",
        "description": "The amount of net income (loss) reported by an equity method investment of the entity.",
        "units": {
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              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 349000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
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              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 341000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 341000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 378000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 378000000,
              "accn": "0000055785-12-000021",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 378000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 335000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 335000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 335000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 368000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 368000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 368000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 426000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 426000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 426000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 304000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 304000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
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              "filed": "2016-02-11"
            },
            {
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              "val": 304000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
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              "filed": "2017-02-08",
              "frame": "CY2014"
            },
            {
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              "end": "2015-12-31",
              "val": 308000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
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              "filed": "2016-02-11"
            },
            {
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              "end": "2015-12-31",
              "val": 308000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08"
            },
            {
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              "end": "2015-12-31",
              "val": 308000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2015"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 276000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
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              "filed": "2017-02-08"
            },
            {
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              "end": "2016-12-31",
              "val": 276000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
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              "filed": "2018-02-08"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 276000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 214000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 214000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 214000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 215000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 215000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 215000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 255000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 255000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2019"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 299000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2020"
            }
          ]
        }
      },
      "EquityMethodInvestmentSummarizedFinancialInformationNetSalesOrGrossRevenue": {
        "label": "Equity Method Investment, Summarized Financial Information, Net Sales or Gross Revenue (Deprecated 2011-01-31)",
        "description": "This item represents the disclosure of summarized financial information for unconsolidated subsidiaries and 50 percent-or-less owned entities accounted for using the equity method of accounting. If investments in common stock of corporate joint ventures or other investments accounted for under the equity method are, in the aggregate, material in relation to the financial position or results of operations of an investor, it may be necessary to present summarized information as to assets of the investee, or group of investments for which combined disclosure is appropriate, either by individual financial statement caption or in groups, as appropriate. Such summarized financial information may, at a minimum, include net sales or gross revenues.",
        "units": {
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              "end": "2008-12-31",
              "val": 2286000000,
              "accn": "0001193125-11-043300",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 2033000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 2310000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010"
            }
          ]
        }
      },
      "EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets": {
        "label": "Equity Method Investment, Summarized Financial Information, Noncurrent Assets (Deprecated 2020-01-31)",
        "description": "The amount of noncurrent assets reported by an equity method investment of the entity.",
        "units": {
          "USD": [
            {
              "end": "2008-12-31",
              "val": 819000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2008Q4I"
            },
            {
              "end": "2009-12-31",
              "val": 867000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2009-12-31",
              "val": 867000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 919000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2010-12-31",
              "val": 919000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "end": "2010-12-31",
              "val": 919000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 906000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "end": "2011-12-31",
              "val": 906000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
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              "filed": "2013-02-22"
            },
            {
              "end": "2011-12-31",
              "val": 906000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 1068000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "end": "2012-12-31",
              "val": 1068000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
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            },
            {
              "end": "2012-12-31",
              "val": 1068000000,
              "accn": "0000055785-15-000014",
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              "fp": "FY",
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              "filed": "2015-02-18",
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            },
            {
              "end": "2013-12-31",
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              "accn": "0000055785-14-000015",
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            },
            {
              "end": "2013-12-31",
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              "fp": "FY",
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              "filed": "2015-02-18"
            },
            {
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              "val": 1124000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 1040000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18"
            },
            {
              "end": "2014-12-31",
              "val": 1040000000,
              "accn": "0000055785-16-000138",
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              "filed": "2016-02-11"
            },
            {
              "end": "2014-12-31",
              "val": 1040000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 993000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11"
            },
            {
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              "val": 993000000,
              "accn": "0000055785-17-000017",
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              "fp": "FY",
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            },
            {
              "end": "2015-12-31",
              "val": 993000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 1168000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
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              "form": "10-Q/A",
              "filed": "2009-11-06"
            },
            {
              "start": "2008-07-01",
              "end": "2008-09-30",
              "val": 0,
              "accn": "0000055785-09-000039",
              "fy": 2009,
              "fp": "Q3",
              "form": "10-Q/A",
              "filed": "2009-11-06",
              "frame": "CY2008Q3"
            },
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": -8000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2008"
            },
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": -8000000,
              "accn": "0001193125-10-038621",
              "fy": 2009,
              "fp": "FY",
              "form": "10-K",
              "filed": "2010-02-24"
            },
            {
              "start": "2009-01-01",
              "end": "2009-06-30",
              "val": 0,
              "accn": "0000055785-09-000026",
              "fy": 2009,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2009-08-07"
            },
            {
              "start": "2009-04-01",
              "end": "2009-06-30",
              "val": 0,
              "accn": "0000055785-09-000026",
              "fy": 2009,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2009-08-07",
              "frame": "CY2009Q2"
            },
            {
              "start": "2009-01-01",
              "end": "2009-09-30",
              "val": 0,
              "accn": "0000055785-09-000039",
              "fy": 2009,
              "fp": "Q3",
              "form": "10-Q/A",
              "filed": "2009-11-06"
            },
            {
              "start": "2009-07-01",
              "end": "2009-09-30",
              "val": 0,
              "accn": "0000055785-09-000039",
              "fy": 2009,
              "fp": "Q3",
              "form": "10-Q/A",
              "filed": "2009-11-06",
              "frame": "CY2009Q3"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 0,
              "accn": "0001193125-10-038621",
              "fy": 2009,
              "fp": "FY",
              "form": "10-K",
              "filed": "2010-02-24",
              "frame": "CY2009"
            }
          ]
        }
      },
      "FairValueAssetsMeasuredOnRecurringBasisDerivativeFinancialInstrumentsAssets": {
        "label": "Fair Value, Assets Measured on Recurring Basis, Derivative Financial Instruments, Assets (Deprecated 2011-01-31)",
        "description": "This element represents a certain statement of financial position asset caption which represents a class of assets, or which may include an individual asset, measured at fair value on a recurring basis.",
        "units": {
          "USD": [
            {
              "end": "2009-12-31",
              "val": 58000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-06-30",
              "val": 68000000,
              "accn": "0001193125-10-182676",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-09-30",
              "val": 86000000,
              "accn": "0001193125-10-251479",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
              "val": 70000000,
              "accn": "0001193125-11-132240",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-09",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 70000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2011-03-31",
              "val": 69000000,
              "accn": "0001193125-11-132240",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-09",
              "frame": "CY2011Q1I"
            }
          ]
        }
      },
      "FairValueLiabilitiesMeasuredOnRecurringBasisDerivativeFinancialInstrumentsLiabilities": {
        "label": "Fair Value, Liabilities Measured on Recurring Basis, Derivative Financial Instruments, Liabilities (Deprecated 2011-01-31)",
        "description": "This element represents a certain statement of financial position liability caption which represents a class of liabilities, or which may include an individual liability, measured at fair value on a recurring basis.",
        "units": {
          "USD": [
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              "end": "2009-12-31",
              "val": 87000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
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            {
              "end": "2010-06-30",
              "val": 50000000,
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              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-09-30",
              "val": 75000000,
              "accn": "0001193125-10-251479",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
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            {
              "end": "2010-12-31",
              "val": 48000000,
              "accn": "0001193125-11-132240",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-09",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 48000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2011-03-31",
              "val": 60000000,
              "accn": "0001193125-11-132240",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-09",
              "frame": "CY2011Q1I"
            }
          ]
        }
      },
      "FairValueMeasuredOnRecurringBasisInvestments": {
        "label": "Fair Value, Measured on Recurring Basis, Investments (Deprecated 2011-01-31)",
        "description": "This element represents a certain statement of financial position asset caption which represents a class of assets, or which may include an individual asset, measured at fair value on a recurring basis.",
        "units": {
          "USD": [
            {
              "end": "2009-12-31",
              "val": 19000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-06-30",
              "val": 17000000,
              "accn": "0001193125-10-182676",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-09-30",
              "val": 19000000,
              "accn": "0001193125-10-251479",
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
              "val": 15000000,
              "accn": "0001193125-11-132240",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-09",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 15000000,
              "accn": "0001193125-11-043300",
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            {
              "end": "2011-03-31",
              "val": 16000000,
              "accn": "0001193125-11-132240",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-09",
              "frame": "CY2011Q1I"
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          ]
        }
      },
      "FiniteLivedIntangibleAssetsAccumulatedAmortization": {
        "label": "Finite-Lived Intangible Assets, Accumulated Amortization",
        "description": "Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "units": {
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              "end": "2009-12-31",
              "val": 208000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 231000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2010-12-31",
              "val": 231000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 251000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "end": "2011-12-31",
              "val": 251000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2011Q4I"
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            {
              "end": "2012-12-31",
              "val": 281000000,
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              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "end": "2012-12-31",
              "val": 281000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 310000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "end": "2013-12-31",
              "val": 310000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 121000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18"
            },
            {
              "end": "2014-12-31",
              "val": 121000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2014Q4I"
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            {
              "end": "2015-12-31",
              "val": 122000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11"
            },
            {
              "end": "2015-12-31",
              "val": 122000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 130000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2020-12-31",
              "val": -104000000,
              "accn": "0000055785-22-000010",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": -99000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10"
            },
            {
              "end": "2021-12-31",
              "val": -99000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": -110000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09"
            },
            {
              "end": "2022-12-31",
              "val": 110000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 95000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "end": "2023-12-31",
              "val": 95000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2023-12-31",
              "val": 53000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
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              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
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              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 52000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "end": "2024-12-31",
              "val": 52000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 54000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "FiniteLivedIntangibleAssetsAmortizationExpense": {
        "label": "Finite-Lived Intangible Assets, Amortization Expense (Deprecated 2012-01-31)",
        "description": "Aggregate amount of intangible asset amortization recognized as expense during the period.",
        "units": {
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              "val": 12000000,
              "accn": "0001193125-11-043300",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 18000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 18000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 25000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 25000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2010"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 25000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 24000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2011"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 24000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 29000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012"
            }
          ]
        }
      },
      "FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths": {
        "label": "Finite-Lived Intangible Asset, Expected Amortization, Year One",
        "description": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "units": {
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              "end": "2013-12-31",
              "val": 42000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
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              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 9000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 17000000,
              "accn": "0000055785-23-000012",
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              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 9000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "end": "2024-12-31",
              "val": 2000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 1000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 2000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
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          ]
        }
      },
      "FiniteLivedIntangibleAssetsAmortizationExpenseYearFive": {
        "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Five",
        "description": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "units": {
          "USD": [
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              "end": "2013-12-31",
              "val": 19000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 9000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-03-31",
              "val": 8000000,
              "accn": "0000055785-22-000035",
              "fy": 2022,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2022-04-22",
              "frame": "CY2022Q1I"
            },
            {
              "end": "2022-06-30",
              "val": 8000000,
              "accn": "0000055785-22-000055",
              "fy": 2022,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2022-07-26",
              "frame": "CY2022Q2I"
            },
            {
              "end": "2022-09-30",
              "val": 8000000,
              "accn": "0000055785-22-000074",
              "fy": 2022,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2022-10-25",
              "frame": "CY2022Q3I"
            },
            {
              "end": "2022-12-31",
              "val": 17000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 9000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "end": "2024-12-31",
              "val": 2000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 1000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 2000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "FiniteLivedIntangibleAssetsAmortizationExpenseYearFour": {
        "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Four",
        "description": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "units": {
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              "end": "2013-12-31",
              "val": 23000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 9000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-03-31",
              "val": 8000000,
              "accn": "0000055785-22-000035",
              "fy": 2022,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2022-04-22",
              "frame": "CY2022Q1I"
            },
            {
              "end": "2022-06-30",
              "val": 8000000,
              "accn": "0000055785-22-000055",
              "fy": 2022,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2022-07-26",
              "frame": "CY2022Q2I"
            },
            {
              "end": "2022-09-30",
              "val": 8000000,
              "accn": "0000055785-22-000074",
              "fy": 2022,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2022-10-25",
              "frame": "CY2022Q3I"
            },
            {
              "end": "2022-12-31",
              "val": 17000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 9000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "end": "2024-12-31",
              "val": 2000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 1000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 2000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
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        }
      },
      "FiniteLivedIntangibleAssetsAmortizationExpenseYearThree": {
        "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Three",
        "description": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
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              "val": 28000000,
              "accn": "0000055785-14-000015",
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              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
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            {
              "end": "2021-12-31",
              "val": 9000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
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              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2021Q4I"
            },
            {
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              "val": 8000000,
              "accn": "0000055785-22-000035",
              "fy": 2022,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2022-04-22",
              "frame": "CY2022Q1I"
            },
            {
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              "val": 8000000,
              "accn": "0000055785-22-000055",
              "fy": 2022,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2022-07-26",
              "frame": "CY2022Q2I"
            },
            {
              "end": "2022-09-30",
              "val": 8000000,
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              "fy": 2022,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2022-10-25",
              "frame": "CY2022Q3I"
            },
            {
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              "val": 17000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 9000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
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              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "end": "2024-12-31",
              "val": 2000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 1000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 2000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
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          ]
        }
      },
      "FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo": {
        "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Two",
        "description": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "units": {
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              "val": 34000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
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              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 9000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-03-31",
              "val": 8000000,
              "accn": "0000055785-22-000035",
              "fy": 2022,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2022-04-22",
              "frame": "CY2022Q1I"
            },
            {
              "end": "2022-06-30",
              "val": 8000000,
              "accn": "0000055785-22-000055",
              "fy": 2022,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2022-07-26",
              "frame": "CY2022Q2I"
            },
            {
              "end": "2022-09-30",
              "val": 8000000,
              "accn": "0000055785-22-000074",
              "fy": 2022,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2022-10-25",
              "frame": "CY2022Q3I"
            },
            {
              "end": "2022-12-31",
              "val": 17000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 9000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "end": "2024-12-31",
              "val": 2000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 1000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 2000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "FiniteLivedIntangibleAssetsGross": {
        "label": "Finite-Lived Intangible Assets, Gross",
        "description": "Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "units": {
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              "val": 505000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
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              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 507000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2010-12-31",
              "val": 507000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 505000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "end": "2011-12-31",
              "val": 505000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 516000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "end": "2012-12-31",
              "val": 516000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 546000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "end": "2013-12-31",
              "val": 546000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 230000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18"
            },
            {
              "end": "2014-12-31",
              "val": 230000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 216000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11"
            },
            {
              "end": "2015-12-31",
              "val": 216000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 213000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 260000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 243000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10"
            },
            {
              "end": "2021-12-31",
              "val": 243000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 351000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09"
            },
            {
              "end": "2022-12-31",
              "val": 351000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 224000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "end": "2023-12-31",
              "val": 224000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2023-12-31",
              "val": 173000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 134000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 86000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "end": "2024-12-31",
              "val": 86000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 87000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "FiniteLivedIntangibleAssetsUsefulLifeMaximum": {
        "label": "Finite-Lived Intangible Assets, Useful Life, Maximum (Deprecated 2012-01-31)",
        "description": "The maximum useful life of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company.",
        "units": {
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              "val": 5,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010"
            }
          ]
        }
      },
      "ForeignCurrencyTransactionGainLossBeforeTax": {
        "label": "Foreign Currency Transaction Gain (Loss), before Tax",
        "description": "Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.",
        "units": {
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              "end": "2009-06-30",
              "val": -96000000,
              "accn": "0001193125-10-182676",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-08-09"
            },
            {
              "start": "2009-04-01",
              "end": "2009-06-30",
              "val": -20000000,
              "accn": "0001193125-10-182676",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2009Q2"
            },
            {
              "start": "2010-01-01",
              "end": "2010-06-30",
              "val": -26000000,
              "accn": "0001193125-10-182676",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-08-09"
            },
            {
              "start": "2010-04-01",
              "end": "2010-06-30",
              "val": -5000000,
              "accn": "0001193125-10-182676",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2"
            }
          ]
        }
      },
      "ForeignCurrencyTransactionGainLossRealized": {
        "label": "Foreign Currency Transaction Gain (Loss), Realized",
        "description": "Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.",
        "units": {
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              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 18000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 110000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": -110000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 20000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": -20000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2010"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": -20000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "start": "2011-01-01",
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              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014"
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              "fy": 2015,
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              "filed": "2015-10-21"
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            {
              "start": "2015-01-01",
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              "fy": 2016,
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              "filed": "2016-10-24"
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            {
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            {
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              "fy": 2016,
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            {
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              "fy": 2016,
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              "form": "10-Q",
              "filed": "2016-10-24"
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            {
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              "val": 0,
              "accn": "0000055785-17-000017",
              "fy": 2016,
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              "filed": "2017-04-24",
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      "GainLossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet": {
        "label": "Gain (Loss) on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net",
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              "accn": "0000055785-13-000011",
              "fy": 2012,
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              "filed": "2013-02-22",
              "frame": "CY2012"
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              "fy": 2013,
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              "frame": "CY2013Q1"
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              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013"
            },
            {
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              "fy": 2014,
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            {
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              "accn": "0000055785-15-000014",
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              "filed": "2015-02-18",
              "frame": "CY2014"
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            {
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        }
      },
      "GainLossOnDispositionOfAssets1": {
        "label": "Gain (Loss) on Disposition of Assets",
        "description": "Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.",
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              "filed": "2024-10-22",
              "frame": "CY2024Q3I"
            },
            {
              "end": "2024-12-31",
              "val": 7004000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 7004000000,
              "accn": "0000055785-25-000039",
              "fy": 2025,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2025-04-22"
            },
            {
              "end": "2024-12-31",
              "val": 7004000000,
              "accn": "0000055785-25-000080",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-08-01"
            },
            {
              "end": "2024-12-31",
              "val": 7004000000,
              "accn": "0001628280-25-047387",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-30"
            },
            {
              "end": "2024-12-31",
              "val": 7004000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "end": "2024-12-31",
              "val": 7004000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-03-31",
              "val": 6921000000,
              "accn": "0000055785-25-000039",
              "fy": 2025,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2025-04-22",
              "frame": "CY2025Q1I"
            },
            {
              "end": "2025-06-30",
              "val": 7171000000,
              "accn": "0000055785-25-000080",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-08-01",
              "frame": "CY2025Q2I"
            },
            {
              "end": "2025-09-30",
              "val": 7077000000,
              "accn": "0001628280-25-047387",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-30",
              "frame": "CY2025Q3I"
            },
            {
              "end": "2025-12-31",
              "val": 7125000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12"
            },
            {
              "end": "2025-12-31",
              "val": 7125000000,
              "accn": "0001628280-26-027800",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-28"
            },
            {
              "end": "2025-12-31",
              "val": 7125000000,
              "accn": "0001628280-26-052348",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-08-04",
              "frame": "CY2025Q4I"
            },
            {
              "end": "2026-03-31",
              "val": 6903000000,
              "accn": "0001628280-26-027800",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-28",
              "frame": "CY2026Q1I"
            },
            {
              "end": "2026-06-30",
              "val": 6988000000,
              "accn": "0001628280-26-052348",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-08-04",
              "frame": "CY2026Q2I"
            }
          ]
        }
      },
      "LiabilityForUncertainTaxPositionsNoncurrent": {
        "label": "Liability for Uncertainty in Income Taxes, Noncurrent",
        "description": "Amount recognized for uncertainty in income taxes classified as noncurrent.",
        "units": {
          "USD": [
            {
              "end": "2008-12-31",
              "val": 189000000,
              "accn": "0000055785-09-000039",
              "fy": 2009,
              "fp": "Q3",
              "form": "10-Q/A",
              "filed": "2009-11-06",
              "frame": "CY2008Q4I"
            },
            {
              "end": "2008-12-31",
              "val": 189000000,
              "accn": "0000055785-09-000026",
              "fy": 2009,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2009-08-07"
            },
            {
              "end": "2009-06-30",
              "val": 151000000,
              "accn": "0000055785-09-000026",
              "fy": 2009,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2009-08-07",
              "frame": "CY2009Q2I"
            },
            {
              "end": "2009-09-30",
              "val": 122000000,
              "accn": "0000055785-09-000039",
              "fy": 2009,
              "fp": "Q3",
              "form": "10-Q/A",
              "filed": "2009-11-06",
              "frame": "CY2009Q3I"
            }
          ]
        }
      },
      "LineOfCreditFacilityAmountOutstanding": {
        "label": "Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31)",
        "description": "Amount borrowed under the credit facility as of the balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2010-12-31",
              "val": 0,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 0,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            }
          ]
        }
      },
      "LineOfCreditFacilityCurrentBorrowingCapacity": {
        "label": "Line of Credit Facility, Current Borrowing Capacity",
        "description": "Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.",
        "units": {
          "USD": [
            {
              "end": "2010-12-31",
              "val": 1330000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2010-12-31",
              "val": 1330000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010Q4I"
            }
          ]
        }
      },
      "LineOfCreditFacilityMaximumBorrowingCapacity": {
        "label": "Line of Credit Facility, Maximum Borrowing Capacity",
        "description": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.",
        "units": {
          "USD": [
            {
              "end": "2010-12-31",
              "val": 1770000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010Q4I"
            }
          ]
        }
      },
      "LitigationSettlementAmountAwardedToOtherParty": {
        "label": "Litigation Settlement, Amount Awarded to Other Party",
        "description": "Amount awarded to other party in judgment or settlement of litigation.",
        "units": {
          "USD": [
            {
              "start": "2018-01-01",
              "end": "2018-03-31",
              "val": 25000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2018Q1"
            },
            {
              "start": "2018-01-01",
              "end": "2018-03-31",
              "val": 25000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "start": "2018-01-01",
              "end": "2018-03-31",
              "val": 25000000,
              "accn": "0000055785-18-000069",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-22"
            }
          ]
        }
      },
      "LoansPayable": {
        "label": "Loans Payable",
        "description": "Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).",
        "units": {
          "USD": [
            {
              "end": "2009-11-30",
              "val": 617000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
            }
          ]
        }
      },
      "LoansPayableFairValueDisclosure": {
        "label": "Loans Payable, Fair Value Disclosure",
        "description": "Fair value portion of contractual obligation to pay money on demand or on fixed or determinable dates.",
        "units": {
          "USD": [
            {
              "end": "2012-12-31",
              "val": 397000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            }
          ]
        }
      },
      "LoansReceivableBasisSpreadOnVariableRate": {
        "label": "Loans Receivable, Basis Spread on Variable Rate",
        "description": "The percentage points (also referred to as 'margin') added to the reference rate as stated in the loan agreement and used to compute the variable rate on the loans receivable. For instance, the loan agreement might state that the interest rate the borrower is obligated to pay is the London Interbank Offered Rate (LIBOR) plus three quarters (3/4) of a percentage point adjusted quarterly (each three months). LIBOR in this example is the index or reference rate, 3/4 percentage point is the margin, the reference rate plus the margin is the fully indexed rate. This element would be used to report separately the margin.",
        "units": {
          "pure": [
            {
              "end": "2013-12-31",
              "val": 0.0075,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "LongTermDebt": {
        "label": "Long-term Debt",
        "description": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.",
        "units": {
          "USD": [
            {
              "end": "2009-12-31",
              "val": 5295000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 5385000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2010-12-31",
              "val": 5385000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 6045000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "end": "2011-12-31",
              "val": 6045000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 5826000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "end": "2012-12-31",
              "val": 5826000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 5698000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "end": "2013-12-31",
              "val": 5698000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 6179000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18"
            },
            {
              "end": "2014-12-31",
              "val": 6179000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 6704000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11"
            },
            {
              "end": "2015-12-31",
              "val": 6704000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 7402000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
            }
          ]
        }
      },
      "LongTermDebtAndCapitalLeaseObligations": {
        "label": "Long-term Debt and Lease Obligation",
        "description": "Amount of long-term debt and lease obligation, classified as noncurrent.",
        "units": {
          "USD": [
            {
              "end": "2016-12-31",
              "val": 6439000000,
              "accn": "0000055785-17-000067",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-10-23"
            },
            {
              "end": "2016-12-31",
              "val": 6439000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-09-30",
              "val": 7057000000,
              "accn": "0000055785-17-000067",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-10-23",
              "frame": "CY2017Q3I"
            },
            {
              "end": "2017-12-31",
              "val": 6472000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08"
            },
            {
              "end": "2017-12-31",
              "val": 6472000000,
              "accn": "0000055785-18-000028",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-04-23"
            },
            {
              "end": "2017-12-31",
              "val": 6472000000,
              "accn": "0000055785-18-000051",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-24"
            },
            {
              "end": "2017-12-31",
              "val": 6472000000,
              "accn": "0000055785-18-000069",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-22"
            },
            {
              "end": "2017-12-31",
              "val": 6472000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-03-31",
              "val": 6081000000,
              "accn": "0000055785-18-000028",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-04-23",
              "frame": "CY2018Q1I"
            },
            {
              "end": "2018-06-30",
              "val": 5746000000,
              "accn": "0000055785-18-000051",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-24",
              "frame": "CY2018Q2I"
            },
            {
              "end": "2018-09-30",
              "val": 5739000000,
              "accn": "0000055785-18-000069",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-22",
              "frame": "CY2018Q3I"
            },
            {
              "end": "2018-12-31",
              "val": 6247000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "end": "2018-12-31",
              "val": 6247000000,
              "accn": "0000055785-19-000032",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-22"
            },
            {
              "end": "2018-12-31",
              "val": 6247000000,
              "accn": "0000055785-19-000064",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-23"
            },
            {
              "end": "2018-12-31",
              "val": 6247000000,
              "accn": "0000055785-19-000084",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-22"
            },
            {
              "end": "2018-12-31",
              "val": 6247000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-03-31",
              "val": 5990000000,
              "accn": "0000055785-19-000032",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-22",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 6701000000,
              "accn": "0000055785-19-000064",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-23",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 6198000000,
              "accn": "0000055785-19-000084",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-22",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 6213000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13"
            },
            {
              "end": "2019-12-31",
              "val": 6213000000,
              "accn": "0000055785-20-000034",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-04-22"
            },
            {
              "end": "2019-12-31",
              "val": 6213000000,
              "accn": "0000055785-20-000053",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-07-23"
            },
            {
              "end": "2019-12-31",
              "val": 6213000000,
              "accn": "0000055785-20-000074",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-22"
            },
            {
              "end": "2019-12-31",
              "val": 6213000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-03-31",
              "val": 7210000000,
              "accn": "0000055785-20-000034",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-04-22",
              "frame": "CY2020Q1I"
            },
            {
              "end": "2020-06-30",
              "val": 7223000000,
              "accn": "0000055785-20-000053",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-07-23",
              "frame": "CY2020Q2I"
            },
            {
              "end": "2020-09-30",
              "val": 7851000000,
              "accn": "0000055785-20-000074",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-22",
              "frame": "CY2020Q3I"
            },
            {
              "end": "2020-12-31",
              "val": 7878000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11"
            },
            {
              "end": "2020-12-31",
              "val": 7878000000,
              "accn": "0000055785-21-000037",
              "fy": 2021,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2021-04-23"
            },
            {
              "end": "2020-12-31",
              "val": 7878000000,
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            {
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              "val": 7415000000,
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            {
              "end": "2024-12-31",
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              "fy": 2025,
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            {
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              "form": "10-K",
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      },
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        "label": "Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five",
        "description": "Principal amount of long-term debt and capital lease obligation maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
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      },
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        "units": {
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              "form": "10-K",
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              "filed": "2020-02-13",
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              "filed": "2020-02-13",
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            {
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            {
              "end": "2022-12-31",
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            {
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              "fy": 2024,
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            {
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              "accn": "0001628280-25-055209",
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              "filed": "2025-12-04",
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            {
              "end": "2025-12-31",
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              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
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      },
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        "label": "Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three",
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              "filed": "2019-02-07",
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            {
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              "fy": 2019,
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              "form": "10-K",
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              "fy": 2020,
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              "form": "10-K",
              "filed": "2021-02-11",
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              "frame": "CY2021Q4I"
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            {
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            {
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              "fp": "FY",
              "form": "10-K",
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              "frame": "CY2023Q4I"
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              "accn": "0000055785-25-000013",
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            {
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              "frame": "CY2024Q4I"
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            {
              "end": "2025-12-31",
              "val": 704000000,
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              "form": "10-K",
              "filed": "2026-02-12",
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      },
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              "filed": "2023-02-09",
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      },
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              "filed": "2011-11-04"
            },
            {
              "end": "2010-12-31",
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            {
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              "filed": "2011-05-09",
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              "filed": "2011-11-04"
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              "fy": 2011,
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              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2011Q4I"
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            {
              "end": "2012-03-31",
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              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-04",
              "frame": "CY2012Q1I"
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            {
              "end": "2012-06-30",
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              "filed": "2012-08-03",
              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-09-30",
              "val": 721000000,
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              "form": "10-Q",
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              "frame": "CY2012Q3I"
            },
            {
              "end": "2012-12-31",
              "val": 756000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "end": "2012-12-31",
              "val": 756000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2012Q4I"
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            {
              "end": "2013-12-31",
              "val": 312000000,
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              "fy": 2013,
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              "form": "10-K",
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            },
            {
              "end": "2013-12-31",
              "val": 312000000,
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              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2013Q4I"
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            {
              "end": "2014-12-31",
              "val": 549000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
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              "form": "10-K",
              "filed": "2015-02-18"
            },
            {
              "end": "2014-12-31",
              "val": 549000000,
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              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2014Q4I"
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            {
              "end": "2015-12-31",
              "val": 598000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11"
            },
            {
              "end": "2015-12-31",
              "val": 598000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 963000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
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      },
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        "label": "Long-Term Debt, Maturity, Year One",
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              "val": 265000000,
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              "form": "10-K",
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            {
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              "fy": 2011,
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              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
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            {
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              "accn": "0000055785-13-000011",
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              "frame": "CY2012Q4I"
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            {
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              "fy": 2013,
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              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
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            {
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              "val": 549000000,
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              "form": "10-K",
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            {
              "end": "2015-12-31",
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              "filed": "2017-02-08",
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          ]
        }
      },
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        "label": "Long-Term Debt, Maturity, Year Five",
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              "fy": 2011,
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            {
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              "filed": "2013-02-22",
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            {
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              "frame": "CY2013Q4I"
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            {
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              "accn": "0000055785-15-000014",
              "fy": 2014,
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              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
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            {
              "end": "2015-12-31",
              "val": 755000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015Q4I"
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            {
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              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
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          ]
        }
      },
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        "label": "Long-Term Debt, Maturity, Year Four",
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              "accn": "0001193125-11-043300",
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              "frame": "CY2010Q4I"
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            {
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            {
              "end": "2012-12-31",
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              "fy": 2012,
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              "frame": "CY2012Q4I"
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              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
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            {
              "end": "2014-12-31",
              "val": 905000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
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              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
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            {
              "end": "2015-12-31",
              "val": 308000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015Q4I"
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            {
              "end": "2016-12-31",
              "val": 757000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
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              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
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          ]
        }
      },
      "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree": {
        "label": "Long-Term Debt, Maturity, Year Three",
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              "end": "2010-12-31",
              "val": 550000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
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              "form": "10-K",
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              "frame": "CY2010Q4I"
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            {
              "end": "2011-12-31",
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              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
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              "frame": "CY2011Q4I"
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            {
              "end": "2012-12-31",
              "val": 343000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
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              "frame": "CY2012Q4I"
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            {
              "end": "2013-12-31",
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              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
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            {
              "end": "2014-12-31",
              "val": 963000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
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              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
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            {
              "end": "2015-12-31",
              "val": 933000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 711000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
            }
          ]
        }
      },
      "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo": {
        "label": "Long-Term Debt, Maturity, Year Two",
        "description": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "units": {
          "USD": [
            {
              "end": "2010-12-31",
              "val": 427000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010Q4I"
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            {
              "end": "2011-12-31",
              "val": 592000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 523000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 353000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 607000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 964000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015Q4I"
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            {
              "end": "2016-12-31",
              "val": 936000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
            }
          ]
        }
      },
      "LongTermDebtNoncurrent": {
        "label": "Long-term Debt, Excluding Current Maturities",
        "description": "Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.",
        "units": {
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              "end": "2012-12-31",
              "val": 5070000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 5386000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "end": "2013-12-31",
              "val": 5386000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 5630000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18"
            },
            {
              "end": "2014-12-31",
              "val": 5630000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 6106000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11"
            },
            {
              "end": "2015-12-31",
              "val": 6106000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2015Q4I"
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            {
              "end": "2016-12-31",
              "val": 6439000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
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          ]
        }
      },
      "LongTermNotesAndLoans": {
        "label": "Notes and Loans, Noncurrent",
        "description": "Carrying value as of the balance sheet date of all notes and loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.",
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              "form": "10-Q",
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            },
            {
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              "fy": 2009,
              "fp": "Q3",
              "form": "10-Q/A",
              "filed": "2009-11-06"
            },
            {
              "end": "2008-12-31",
              "val": 4882000000,
              "accn": "0001193125-10-038621",
              "fy": 2009,
              "fp": "FY",
              "form": "10-K",
              "filed": "2010-02-24",
              "frame": "CY2008Q4I"
            },
            {
              "end": "2009-06-30",
              "val": 5490000000,
              "accn": "0000055785-09-000026",
              "fy": 2009,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2009-08-07",
              "frame": "CY2009Q2I"
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            {
              "end": "2009-09-30",
              "val": 4442000000,
              "accn": "0000055785-09-000039",
              "fy": 2009,
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              "form": "10-Q/A",
              "filed": "2009-11-06",
              "frame": "CY2009Q3I"
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              "fy": 2009,
              "fp": "FY",
              "form": "10-K",
              "filed": "2010-02-24"
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              "fy": 2010,
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              "form": "10-Q",
              "filed": "2010-05-07"
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              "end": "2009-12-31",
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              "fy": 2010,
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              "accn": "0001193125-10-182676",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-08-09"
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-11-08"
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              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
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            {
              "end": "2010-03-31",
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              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-05-07"
            },
            {
              "end": "2010-03-31",
              "val": 4387000000,
              "accn": "0000055785-10-000026",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q/A",
              "filed": "2010-05-14",
              "frame": "CY2010Q1I"
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            {
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              "accn": "0001193125-10-182676",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-09-30",
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              "accn": "0001193125-10-251479",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
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              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2010-12-31",
              "val": 5120000000,
              "accn": "0001193125-11-132240",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-09"
            },
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              "end": "2010-12-31",
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              "accn": "0001193125-11-212146",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-05"
            },
            {
              "end": "2010-12-31",
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              "accn": "0000055785-11-000040",
              "fy": 2011,
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              "filed": "2012-11-05",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2012-12-31",
              "val": 395000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 395000000,
              "accn": "0000055785-13-000083",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-01"
            },
            {
              "end": "2012-12-31",
              "val": 395000000,
              "accn": "0000055785-13-000071",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-02"
            },
            {
              "end": "2012-12-31",
              "val": 395000000,
              "accn": "0000055785-13-000036",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-02"
            },
            {
              "end": "2012-12-31",
              "val": 395000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "end": "2013-03-31",
              "val": 395000000,
              "accn": "0000055785-13-000036",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-02",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-06-30",
              "val": 395000000,
              "accn": "0000055785-13-000071",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-09-30",
              "val": 0,
              "accn": "0000055785-13-000083",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-01",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2013-12-31",
              "val": 0,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "NotesReceivableGross": {
        "label": "Financing Receivable, before Allowance for Credit Loss",
        "description": "Amount, before allowance for credit loss, of financing receivable.",
        "units": {
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            {
              "end": "2010-09-30",
              "val": 218000000,
              "accn": "0001193125-10-251479",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            }
          ]
        }
      },
      "NotionalAmountOfDerivativeInstrumentsDesignatedAsNetInvestmentHedges": {
        "label": "Notional Amount of Derivative Instruments Designated as Net Investment Hedges (Deprecated 2013-01-31)",
        "description": "Aggregate notional amount of all derivatives designated as a hedge of a net investment in a foreign operation. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument.",
        "units": {
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              "end": "2011-06-30",
              "val": 100000000,
              "accn": "0001193125-11-212146",
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              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-05",
              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
              "val": 67000000,
              "accn": "0000055785-11-000045",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q/A",
              "filed": "2011-11-07",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-09-30",
              "val": 67000000,
              "accn": "0000055785-11-000040",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-04"
            },
            {
              "end": "2011-12-31",
              "val": 0,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
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            {
              "end": "2012-03-31",
              "val": 136000000,
              "accn": "0000055785-12-000046",
              "fy": 2012,
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              "form": "10-Q",
              "filed": "2012-05-04",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
              "val": 98000000,
              "accn": "0000055785-12-000078",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-09-30",
              "val": 67000000,
              "accn": "0000055785-12-000090",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-05",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2012-12-31",
              "val": 0,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-03-31",
              "val": 150000000,
              "accn": "0000055785-13-000036",
              "fy": 2013,
              "fp": "Q1",
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              "filed": "2013-05-02",
              "frame": "CY2013Q1I"
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            {
              "end": "2013-06-30",
              "val": 110000000,
              "accn": "0000055785-13-000071",
              "fy": 2013,
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              "frame": "CY2013Q2I"
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            {
              "end": "2013-09-30",
              "val": 73000000,
              "accn": "0000055785-13-000083",
              "fy": 2013,
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              "form": "10-Q",
              "filed": "2013-11-01",
              "frame": "CY2013Q3I"
            }
          ]
        }
      },
      "NotionalAmountOfForeignCurrencyCashFlowHedgeDerivatives": {
        "label": "Notional Amount of Foreign Currency Cash Flow Hedge Derivatives (Deprecated 2013-01-31)",
        "description": "Aggregate notional amount of all foreign currency derivatives designated as hedging instruments in cash flow hedges. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.",
        "units": {
          "USD": [
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              "end": "2013-06-30",
              "val": 950000000,
              "accn": "0000055785-13-000071",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-09-30",
              "val": 1000000000,
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              "fy": 2013,
              "fp": "Q3",
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              "filed": "2013-11-01",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2013-12-31",
              "val": 1000000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments": {
        "label": "Notional Amount of Foreign Currency Derivative Instruments Not Designated as Hedging Instruments (Deprecated 2013-01-31)",
        "description": "Aggregate notional amount of all foreign currency derivatives not designated as hedging instruments. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.",
        "units": {
          "USD": [
            {
              "end": "2013-06-30",
              "val": 3000000000,
              "accn": "0000055785-13-000071",
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              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-09-30",
              "val": 2600000000,
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              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-01",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2013-12-31",
              "val": 2000000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
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          ]
        }
      },
      "NotionalAmountOfInterestRateCashFlowHedgeDerivatives": {
        "label": "Notional Amount of Interest Rate Cash Flow Hedge Derivatives (Deprecated 2013-01-31)",
        "description": "Aggregate notional amount of all interest rate derivatives designated as hedging instruments in cash flow hedges. Notional amount refers to the monetary amount specified in the interest rate derivative contract.",
        "units": {
          "USD": [
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              "end": "2010-06-30",
              "val": 400000000,
              "accn": "0001193125-10-182676",
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              "filed": "2010-08-09",
              "frame": "CY2010Q2I"
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            {
              "end": "2010-09-30",
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              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
              "val": 330000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-03-31",
              "val": 330000000,
              "accn": "0001193125-11-132240",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-09",
              "frame": "CY2011Q1I"
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            {
              "end": "2011-06-30",
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              "accn": "0001193125-11-212146",
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              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-05",
              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
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              "accn": "0000055785-11-000045",
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              "fp": "Q3",
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              "frame": "CY2011Q3I"
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            {
              "end": "2011-09-30",
              "val": 580000000,
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              "filed": "2011-11-04"
            },
            {
              "end": "2011-12-31",
              "val": 580000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 280000000,
              "accn": "0000055785-12-000046",
              "fy": 2012,
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              "form": "10-Q",
              "filed": "2012-05-04",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
              "val": 280000000,
              "accn": "0000055785-12-000078",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-09-30",
              "val": 280000000,
              "accn": "0000055785-12-000090",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-05",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2012-12-31",
              "val": 280000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-03-31",
              "val": 450000000,
              "accn": "0000055785-13-000036",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-02",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-06-30",
              "val": 200000000,
              "accn": "0000055785-13-000071",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-09-30",
              "val": 200000000,
              "accn": "0000055785-13-000083",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-01",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2013-12-31",
              "val": 200000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "NotionalAmountOfInterestRateFairValueHedgeDerivatives": {
        "label": "Notional Amount of Interest Rate Fair Value Hedge Derivatives (Deprecated 2013-01-31)",
        "description": "Aggregate notional amount of all interest rate derivatives designated as hedging instruments in fair value hedges. Notional amount refers to the monetary amount specified in the interest rate derivative contract.",
        "units": {
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              "end": "2010-06-30",
              "val": 700000000,
              "accn": "0001193125-10-182676",
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              "filed": "2010-08-09",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-09-30",
              "val": 700000000,
              "accn": "0001193125-10-251479",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
              "val": 700000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-03-31",
              "val": 975000000,
              "accn": "0001193125-11-132240",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-09",
              "frame": "CY2011Q1I"
            },
            {
              "end": "2011-06-30",
              "val": 875000000,
              "accn": "0001193125-11-212146",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-05",
              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
              "val": 865000000,
              "accn": "0000055785-11-000045",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q/A",
              "filed": "2011-11-07",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-09-30",
              "val": 865000000,
              "accn": "0000055785-11-000040",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-04"
            },
            {
              "end": "2011-12-31",
              "val": 700000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 300000000,
              "accn": "0000055785-12-000046",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-04",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
              "val": 300000000,
              "accn": "0000055785-12-000078",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-09-30",
              "val": 300000000,
              "accn": "0000055785-12-000090",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-05",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2012-12-31",
              "val": 300000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-03-31",
              "val": 300000000,
              "accn": "0000055785-13-000036",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-02",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-06-30",
              "val": 550000000,
              "accn": "0000055785-13-000071",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-09-30",
              "val": 250000000,
              "accn": "0000055785-13-000083",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-01",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2013-12-31",
              "val": 250000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
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          ]
        }
      },
      "NotionalAmountOfNetInvestmentHedgeInstruments": {
        "label": "Notional Amount of Net Investment Hedge Instruments (Deprecated 2011-01-31)",
        "description": "Aggregate notional amount of all derivatives designated as a hedge of a net investment in a foreign operation. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument.",
        "units": {
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              "val": 90000000,
              "accn": "0001193125-10-182676",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-09-30",
              "val": 60000000,
              "accn": "0001193125-10-251479",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
              "val": 0,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-03-31",
              "val": 135000000,
              "accn": "0001193125-11-132240",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-09",
              "frame": "CY2011Q1I"
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          ]
        }
      },
      "OperatingIncomeLoss": {
        "label": "Operating Income (Loss)",
        "description": "The net result for the period of deducting operating expenses from operating revenues.",
        "units": {
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              "end": "2007-12-31",
              "val": 2616000000,
              "accn": "0001193125-10-038621",
              "fy": 2009,
              "fp": "FY",
              "form": "10-K",
              "filed": "2010-02-24",
              "frame": "CY2007"
            },
            {
              "start": "2008-01-01",
              "end": "2008-06-30",
              "val": 1314000000,
              "accn": "0000055785-09-000026",
              "fy": 2009,
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              "form": "10-Q",
              "filed": "2009-08-07"
            },
            {
              "start": "2008-04-01",
              "end": "2008-06-30",
              "val": 650000000,
              "accn": "0000055785-09-000026",
              "fy": 2009,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2009-08-07",
              "frame": "CY2008Q2"
            },
            {
              "start": "2008-01-01",
              "end": "2008-09-30",
              "val": 1924000000,
              "accn": "0000055785-09-000039",
              "fy": 2009,
              "fp": "Q3",
              "form": "10-Q/A",
              "filed": "2009-11-06"
            },
            {
              "start": "2008-07-01",
              "end": "2008-09-30",
              "val": 610000000,
              "accn": "0000055785-09-000039",
              "fy": 2009,
              "fp": "Q3",
              "form": "10-Q/A",
              "filed": "2009-11-06",
              "frame": "CY2008Q3"
            },
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 2547000000,
              "accn": "0001193125-10-038621",
              "fy": 2009,
              "fp": "FY",
              "form": "10-K",
              "filed": "2010-02-24"
            },
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 2547000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-03-31",
              "val": 628,
              "accn": "0000055785-10-000019",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-05-07"
            },
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            {
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            {
              "start": "2025-04-01",
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              "val": 592000000,
              "accn": "0000055785-25-000080",
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              "form": "10-Q",
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            {
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              "val": 592000000,
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            {
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            {
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            {
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              "val": 1386000000,
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              "filed": "2026-08-04"
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            {
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        "label": "Operating Lease, Cost",
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        "label": "Operating Lease, Liability",
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        "label": "Operating Lease, Liability, Noncurrent",
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        "label": "Operating Lease, Payments",
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            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 156000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 156000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 156000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": 160000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025"
            }
          ]
        }
      },
      "OperatingLeaseRightOfUseAsset": {
        "label": "Operating Lease, Right-of-Use Asset",
        "description": "Amount of lessee's right to use underlying asset under operating lease.",
        "units": {
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            {
              "end": "2019-03-31",
              "val": 421000000,
              "accn": "0000055785-19-000032",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-22",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 416000000,
              "accn": "0000055785-19-000064",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-23",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 399000000,
              "accn": "0000055785-19-000084",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-22",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 396000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13"
            },
            {
              "end": "2019-12-31",
              "val": 396000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 540000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 450000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2023-12-31",
              "val": 387000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 413000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 363000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "end": "2024-12-31",
              "val": 363000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 369000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDue": {
        "label": "Operating Leases, Future Minimum Payments Due",
        "description": "Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.",
        "units": {
          "USD": [
            {
              "end": "2010-12-31",
              "val": 795000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 682000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 701000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 764000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 587000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 545000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 597000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 610000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 538000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "end": "2018-12-31",
              "val": 538000000,
              "accn": "0000055785-19-000032",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-22"
            },
            {
              "end": "2018-12-31",
              "val": 538000000,
              "accn": "0000055785-19-000064",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-23"
            },
            {
              "end": "2018-12-31",
              "val": 538000000,
              "accn": "0000055785-19-000084",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-22"
            },
            {
              "end": "2018-12-31",
              "val": 538000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueCurrent": {
        "label": "Operating Leases, Future Minimum Payments Due, Next Twelve Months",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2010-12-31",
              "val": 194000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 167000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 174000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 189000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 151000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 142000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 187000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 170000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 160000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "end": "2018-12-31",
              "val": 160000000,
              "accn": "0000055785-19-000032",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-22"
            },
            {
              "end": "2018-12-31",
              "val": 160000000,
              "accn": "0000055785-19-000064",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-23"
            },
            {
              "end": "2018-12-31",
              "val": 160000000,
              "accn": "0000055785-19-000084",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-22"
            },
            {
              "end": "2018-12-31",
              "val": 160000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInFiveYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Five Years",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2010-12-31",
              "val": 84000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 54000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 64000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 76000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 56000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 53000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 39000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 48000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 41000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "end": "2018-12-31",
              "val": 41000000,
              "accn": "0000055785-19-000032",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-22"
            },
            {
              "end": "2018-12-31",
              "val": 41000000,
              "accn": "0000055785-19-000064",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-23"
            },
            {
              "end": "2018-12-31",
              "val": 41000000,
              "accn": "0000055785-19-000084",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-22"
            },
            {
              "end": "2018-12-31",
              "val": 41000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInFourYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Four Years",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2010-12-31",
              "val": 103000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 83000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 89000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 113000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 70000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 67000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 67000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 65000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 57000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "end": "2018-12-31",
              "val": 57000000,
              "accn": "0000055785-19-000032",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-22"
            },
            {
              "end": "2018-12-31",
              "val": 57000000,
              "accn": "0000055785-19-000064",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-23"
            },
            {
              "end": "2018-12-31",
              "val": 57000000,
              "accn": "0000055785-19-000084",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-22"
            },
            {
              "end": "2018-12-31",
              "val": 57000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInThreeYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Three Years",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2010-12-31",
              "val": 118000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 114000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 109000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 124000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 94000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 86000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 94000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 99000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 85000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "end": "2018-12-31",
              "val": 85000000,
              "accn": "0000055785-19-000032",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-22"
            },
            {
              "end": "2018-12-31",
              "val": 85000000,
              "accn": "0000055785-19-000064",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-23"
            },
            {
              "end": "2018-12-31",
              "val": 85000000,
              "accn": "0000055785-19-000084",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-22"
            },
            {
              "end": "2018-12-31",
              "val": 85000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInTwoYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Two Years",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2010-12-31",
              "val": 143000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 136000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 141000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 155000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 117000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 115000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 137000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 130000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 123000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "end": "2018-12-31",
              "val": 123000000,
              "accn": "0000055785-19-000032",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-22"
            },
            {
              "end": "2018-12-31",
              "val": 123000000,
              "accn": "0000055785-19-000064",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-23"
            },
            {
              "end": "2018-12-31",
              "val": 123000000,
              "accn": "0000055785-19-000084",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-22"
            },
            {
              "end": "2018-12-31",
              "val": 123000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueThereafter": {
        "label": "Operating Leases, Future Minimum Payments, Due Thereafter",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
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              "end": "2010-12-31",
              "val": 153000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 128000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 124000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 107000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 99000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 82000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 73000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 98000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 72000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "end": "2018-12-31",
              "val": 72000000,
              "accn": "0000055785-19-000032",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-22"
            },
            {
              "end": "2018-12-31",
              "val": 72000000,
              "accn": "0000055785-19-000064",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-23"
            },
            {
              "end": "2018-12-31",
              "val": 72000000,
              "accn": "0000055785-19-000084",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-22"
            },
            {
              "end": "2018-12-31",
              "val": 72000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2018Q4I"
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          ]
        }
      },
      "OperatingLeaseWeightedAverageDiscountRatePercent": {
        "label": "Operating Lease, Weighted Average Discount Rate, Percent",
        "description": "Weighted average discount rate for operating lease calculated at point in time.",
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              "val": 0.052,
              "accn": "0000055785-19-000032",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-22",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 0.052,
              "accn": "0000055785-19-000064",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-23",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 0.05,
              "accn": "0000055785-19-000084",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-22",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 0.05,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 0.0355,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 0.03,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 0.03,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 0.04,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "end": "2023-12-31",
              "val": 0.038,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2023-12-31",
              "val": 0.04,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 0.041,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 0.043,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "end": "2024-12-31",
              "val": 0.043,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 0.058,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "OperatingLossCarryforwards": {
        "label": "Operating Loss Carryforwards",
        "description": "Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.",
        "units": {
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              "val": 1200000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 1200000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 1100000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 1000000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 1000000000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 800000000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 473000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 481000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 473000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 457000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 441000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 682000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 534000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 463000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 520000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 510000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 484000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "OperatingLossCarryforwardsValuationAllowance": {
        "label": "Operating Loss Carryforwards, Valuation Allowance",
        "description": "The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.",
        "units": {
          "USD": [
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              "end": "2016-12-31",
              "val": 700000000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 743000000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 766000000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 860000000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 958000000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 1286000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 1200000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 1500000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 1200000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 1100000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 1100000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "OtherAccruedLiabilitiesCurrent": {
        "label": "Other Accrued Liabilities, Current",
        "description": "Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.",
        "units": {
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              "val": 893000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 803000000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2010-12-31",
              "val": 648000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
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            },
            {
              "start": "2014-01-01",
              "end": "2014-06-30",
              "val": 4000000,
              "accn": "0000055785-15-000094",
              "fy": 2015,
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            {
              "start": "2014-01-01",
              "end": "2014-06-30",
              "val": 4000000,
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              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-07-22"
            },
            {
              "start": "2014-01-01",
              "end": "2014-09-30",
              "val": 2000000,
              "accn": "0000055785-15-000118",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-10-21"
            },
            {
              "start": "2014-01-01",
              "end": "2014-09-30",
              "val": 2000000,
              "accn": "0000055785-14-000089",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-10-21"
            },
            {
              "start": "2015-01-01",
              "end": "2015-03-31",
              "val": -17000000,
              "accn": "0000055785-15-000046",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-04-21",
              "frame": "CY2015Q1"
            },
            {
              "start": "2015-01-01",
              "end": "2015-06-30",
              "val": -21000000,
              "accn": "0000055785-15-000094",
              "fy": 2015,
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              "filed": "2015-07-23"
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            {
              "start": "2015-01-01",
              "end": "2015-09-30",
              "val": -39000000,
              "accn": "0000055785-15-000118",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
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          ]
        }
      },
      "OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax": {
        "label": "Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax (Deprecated 2013-01-31)",
        "description": "Before tax amount of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges realized in net income. Also includes reclassification adjustments of an entity's share of an equity investee's deferred hedging gain (loss) realized in net income.",
        "units": {
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              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2011"
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            {
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              "end": "2012-12-31",
              "val": 0,
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              "fy": 2013,
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              "form": "10-K",
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            {
              "start": "2013-01-01",
              "end": "2013-12-31",
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          ]
        }
      },
      "OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax": {
        "label": "Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax (Deprecated 2013-01-31)",
        "description": "Net of tax amount of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges realized in net income. Also includes reclassification adjustments of an entity's share of an equity investee's deferred hedging gain (loss) realized in net income.",
        "units": {
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              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 3000000,
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              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-02",
              "frame": "CY2012Q1"
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            {
              "start": "2012-01-01",
              "end": "2012-06-30",
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            {
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            {
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              "end": "2013-03-31",
              "val": -2000000,
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            {
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              "end": "2013-09-30",
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              "filed": "2013-11-01"
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            {
              "start": "2013-01-01",
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          ]
        }
      },
      "OtherComprehensiveIncomeLossTaxPortionAttributableToParent": {
        "label": "Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent (Deprecated 2012-01-31)",
        "description": "Tax effect of the change in accumulated other comprehensive income, that is, the tax effect on items included in other comprehensive income during the period that is attributable to the parent entity. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.",
        "units": {
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              "filed": "2013-02-22",
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            },
            {
              "start": "2010-01-01",
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              "val": 0,
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          ]
        }
      },
      "OtherComprehensiveIncomeOtherNetOfTax": {
        "label": "Other Comprehensive Income, Other, Net of Tax",
        "description": "Amount of increase (decrease) in other comprehensive income, after tax, from changes classified as other.",
        "units": {
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              "form": "10-Q",
              "filed": "2011-08-05"
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            {
              "start": "2010-04-01",
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              "val": 5000000,
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              "filed": "2011-08-05",
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            {
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              "end": "2010-09-30",
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            {
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              "filed": "2011-11-07"
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            {
              "start": "2010-07-01",
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              "val": -44000000,
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            {
              "start": "2010-01-01",
              "end": "2010-12-31",
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              "fy": 2011,
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              "form": "10-K",
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            {
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              "frame": "CY2011Q1"
            },
            {
              "start": "2011-01-01",
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            {
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              "end": "2011-06-30",
              "val": -8000000,
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            {
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            {
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            {
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              "fy": 2012,
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              "filed": "2012-11-05",
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            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 30000000,
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              "fy": 2011,
              "fp": "FY",
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              "filed": "2012-02-29"
            },
            {
              "start": "2011-01-01",
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              "val": 30000000,
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              "fy": 2012,
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              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "start": "2011-01-01",
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              "val": -30000000,
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              "fy": 2013,
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              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2011"
            },
            {
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              "val": -12000000,
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            {
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            {
              "start": "2012-01-01",
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              "val": 0,
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            {
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              "fy": 2013,
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              "form": "10-Q",
              "filed": "2013-08-02"
            },
            {
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              "end": "2012-06-30",
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              "fy": 2012,
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              "filed": "2012-08-03"
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            {
              "start": "2012-04-01",
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              "filed": "2013-08-02",
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            },
            {
              "start": "2012-01-01",
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            {
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            {
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            {
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              "val": 16000000,
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              "fy": 2012,
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            {
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              "end": "2012-12-31",
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              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": -16000000,
              "accn": "0000055785-15-000014",
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              "frame": "CY2012"
            },
            {
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              "val": 17000000,
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              "fy": 2013,
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            {
              "start": "2013-01-01",
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              "val": 17000000,
              "accn": "0000055785-14-000035",
              "fy": 2014,
              "fp": "Q1",
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              "frame": "CY2013Q1"
            },
            {
              "start": "2013-01-01",
              "end": "2013-06-30",
              "val": 28000000,
              "accn": "0000055785-13-000071",
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            {
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              "frame": "CY2013Q2"
            },
            {
              "start": "2013-01-01",
              "end": "2013-09-30",
              "val": 9000000,
              "accn": "0000055785-13-000083",
              "fy": 2013,
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            {
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              "accn": "0000055785-14-000035",
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              "start": "2013-01-01",
              "end": "2013-03-31",
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              "start": "2013-01-01",
              "end": "2013-06-30",
              "val": 34000000,
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            },
            {
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              "end": "2013-06-30",
              "val": 34000000,
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              "end": "2013-09-30",
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            },
            {
              "start": "2013-01-01",
              "end": "2013-09-30",
              "val": 17000000,
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              "fy": 2013,
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              "form": "10-Q",
              "filed": "2013-11-01"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 24000000,
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              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
              "end": "2014-03-31",
              "val": -4000000,
              "accn": "0000055785-15-000046",
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              "form": "10-Q",
              "filed": "2015-04-21",
              "frame": "CY2014Q1"
            },
            {
              "start": "2014-01-01",
              "end": "2014-03-31",
              "val": -4000000,
              "accn": "0000055785-14-000035",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-04-21"
            },
            {
              "start": "2014-01-01",
              "end": "2014-06-30",
              "val": -15000000,
              "accn": "0000055785-15-000094",
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            },
            {
              "start": "2014-01-01",
              "end": "2014-06-30",
              "val": -15000000,
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              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-07-22"
            },
            {
              "start": "2014-01-01",
              "end": "2014-09-30",
              "val": 17000000,
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              "filed": "2015-10-21"
            },
            {
              "start": "2014-01-01",
              "end": "2014-09-30",
              "val": 17000000,
              "accn": "0000055785-14-000089",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-10-21"
            },
            {
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              "end": "2015-03-31",
              "val": 37000000,
              "accn": "0000055785-15-000046",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-04-21",
              "frame": "CY2015Q1"
            },
            {
              "start": "2015-01-01",
              "end": "2015-06-30",
              "val": 16000000,
              "accn": "0000055785-15-000094",
              "fy": 2015,
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              "form": "10-Q",
              "filed": "2015-07-23"
            },
            {
              "start": "2015-01-01",
              "end": "2015-09-30",
              "val": 44000000,
              "accn": "0000055785-15-000118",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-10-21"
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              "frame": "CY2024Q2I"
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              "val": 81000000,
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            {
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              "frame": "CY2025Q3I"
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              "accn": "0001193125-10-182676",
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            {
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            {
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              "filed": "2013-11-01",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2013-12-31",
              "val": 326000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "end": "2013-12-31",
              "val": 326000000,
              "accn": "0000055785-14-000035",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-04-21"
            },
            {
              "end": "2013-12-31",
              "val": 326000000,
              "accn": "0000055785-14-000065",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-07-22"
            },
            {
              "end": "2013-12-31",
              "val": 326000000,
              "accn": "0000055785-14-000089",
              "fy": 2014,
              "fp": "Q3",
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            {
              "end": "2010-12-31",
              "val": 62.79,
              "accn": "0001193125-11-043300",
              "fy": 2010,
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              "form": "10-K",
              "filed": "2011-02-23",
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            {
              "end": "2011-12-31",
              "val": 62680000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
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              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
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          ]
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              "accn": "0000055785-12-000021",
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              "form": "10-K",
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              "frame": "CY2011"
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            {
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        }
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        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (Deprecated 2011-01-31)",
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              "filed": "2011-02-23"
            },
            {
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        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (Deprecated 2012-01-31)",
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              "frame": "CY2010Q4I"
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            {
              "end": "2011-12-31",
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            {
              "end": "2012-12-31",
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      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": {
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        "units": {
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            {
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              "accn": "0000055785-12-000021",
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            {
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            {
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            {
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              "filed": "2015-02-18"
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            {
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              "form": "10-K",
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              "accn": "0000055785-15-000014",
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              "filed": "2015-02-18"
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            {
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              "accn": "0000055785-16-000138",
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            {
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              "fy": 2016,
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              "form": "10-K",
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            {
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              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11"
            },
            {
              "start": "2015-01-01",
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              "val": 7.39,
              "accn": "0000055785-17-000017",
              "fy": 2016,
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              "form": "10-K",
              "filed": "2017-02-08",
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            {
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              "fy": 2016,
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              "filed": "2017-02-08",
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          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value",
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              "frame": "CY2011Q4I"
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            {
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            {
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          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number",
        "description": "Number of options outstanding, including both vested and non-vested options.",
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              "accn": "0001193125-11-043300",
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      "TemporaryEquityCarryingAmount": {
        "label": "Temporary Equity, Carrying Amount (Deprecated 2012-01-31)",
        "description": "The carrying value (book value) of an entity's issued and outstanding stock which is not included within permanent equity in Stockholders Equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.",
        "units": {
          "USD": [
            {
              "end": "2010-12-31",
              "val": 506000000,
              "accn": "0001193125-11-212146",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-05"
            },
            {
              "end": "2010-12-31",
              "val": 506000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 506000000,
              "accn": "0000055785-11-000045",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q/A",
              "filed": "2011-11-07"
            },
            {
              "end": "2010-12-31",
              "val": 506000000,
              "accn": "0000055785-11-000040",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-04"
            },
            {
              "end": "2011-06-30",
              "val": 505000000,
              "accn": "0001193125-11-212146",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-05",
              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
              "val": 506000000,
              "accn": "0000055785-11-000045",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q/A",
              "filed": "2011-11-07",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-09-30",
              "val": 506000000,
              "accn": "0000055785-11-000040",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-04"
            }
          ]
        }
      },
      "TemporaryEquityNetIncome": {
        "label": "Temporary Equity, Net Income",
        "description": "The portion of net income or loss attributable to temporary equity interest.",
        "units": {
          "USD": [
            {
              "start": "2013-01-01",
              "end": "2013-06-30",
              "val": 16000000,
              "accn": "0000055785-13-000071",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-02"
            },
            {
              "start": "2013-01-01",
              "end": "2013-09-30",
              "val": 23000000,
              "accn": "0000055785-13-000083",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-01"
            }
          ]
        }
      },
      "TemporaryEquityOtherChanges": {
        "label": "Temporary Equity, Other Changes",
        "description": "Amount of increase (decrease) in temporary equity from changes classified as other.",
        "units": {
          "USD": [
            {
              "start": "2013-01-01",
              "end": "2013-06-30",
              "val": 2000000,
              "accn": "0000055785-13-000071",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-02"
            }
          ]
        }
      },
      "TemporaryEquityValueExcludingAdditionalPaidInCapital": {
        "label": "Temporary Equity, Par Value",
        "description": "Carrying amount of the par value of temporary equity outstanding. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.",
        "units": {
          "USD": [
            {
              "end": "2010-12-31",
              "val": 1000000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 1000000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 1000000000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "TimeDepositsAtCarryingValue": {
        "label": "Time Deposits, at Carrying Value",
        "description": "Any certificate of deposit or savings account held by a bank or other financial institution for a short-term specified period of time. Because of their short-term, time deposits are considered highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.",
        "units": {
          "USD": [
            {
              "end": "2008-12-31",
              "val": 141000000,
              "accn": "0001193125-10-038621",
              "fy": 2009,
              "fp": "FY",
              "form": "10-K",
              "filed": "2010-02-24",
              "frame": "CY2008Q4I"
            },
            {
              "end": "2009-12-31",
              "val": 189000000,
              "accn": "0001193125-10-038621",
              "fy": 2009,
              "fp": "FY",
              "form": "10-K",
              "filed": "2010-02-24",
              "frame": "CY2009Q4I"
            }
          ]
        }
      },
      "TreasuryStockShares": {
        "label": "Treasury Stock, Shares",
        "description": "Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.",
        "units": {
          "shares": [
            {
              "end": "2008-12-31",
              "val": 65000000,
              "accn": "0001193125-10-038621",
              "fy": 2009,
              "fp": "FY",
              "form": "10-K",
              "filed": "2010-02-24",
              "frame": "CY2008Q4I"
            },
            {
              "end": "2009-12-31",
              "val": 61600000,
              "accn": "0001193125-10-038621",
              "fy": 2009,
              "fp": "FY",
              "form": "10-K",
              "filed": "2010-02-24"
            },
            {
              "end": "2009-12-31",
              "val": 61600000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 71700000,
              "accn": "0001193125-11-043300",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-23"
            },
            {
              "end": "2010-12-31",
              "val": 717000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "end": "2010-12-31",
              "val": 71741000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 717000000,
              "accn": "0000055785-12-000021",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "end": "2011-12-31",
              "val": 717000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "end": "2011-12-31",
              "val": 32937000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "end": "2011-12-31",
              "val": 32937000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 717000000,
              "accn": "0000055785-13-000011",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "end": "2012-12-31",
              "val": 39322000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "end": "2012-12-31",
              "val": 39322000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18"
            },
            {
              "end": "2012-12-31",
              "val": 39322000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 47798000,
              "accn": "0000055785-14-000015",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "end": "2013-12-31",
              "val": 47798000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18"
            },
            {
              "end": "2013-12-31",
              "val": 47798000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 63261000,
              "accn": "0000055785-15-000014",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-18"
            },
            {
              "end": "2014-12-31",
              "val": 63261000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 17737000,
              "accn": "0000055785-16-000138",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-11"
            },
            {
              "end": "2015-12-31",
              "val": 17737000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 22029000,
              "accn": "0000055785-17-000017",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08"
            },
            {
              "end": "2016-12-31",
              "val": 22029000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 27491000,
              "accn": "0000055785-18-000014",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08"
            },
            {
              "end": "2017-12-31",
              "val": 27491000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 33635000,
              "accn": "0000055785-19-000013",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-07"
            },
            {
              "end": "2018-12-31",
              "val": 33635000000000,
              "accn": "0000055785-19-000064",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-23"
            },
            {
              "end": "2018-12-31",
              "val": 33635000000000,
              "accn": "0000055785-19-000084",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-22"
            },
            {
              "end": "2018-12-31",
              "val": 33635000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-06-30",
              "val": 34381000000000,
              "accn": "0000055785-19-000064",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-23",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 35460000000000,
              "accn": "0000055785-19-000084",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-22",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 37149000,
              "accn": "0000055785-20-000016",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-13"
            },
            {
              "end": "2019-12-31",
              "val": 37149000000000,
              "accn": "0000055785-20-000034",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-04-22"
            },
            {
              "end": "2019-12-31",
              "val": 37149000000000,
              "accn": "0000055785-20-000053",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-07-23"
            },
            {
              "end": "2019-12-31",
              "val": 37149000000000,
              "accn": "0000055785-20-000074",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-22"
            },
            {
              "end": "2019-12-31",
              "val": 37149000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-03-31",
              "val": 37761000000000,
              "accn": "0000055785-20-000034",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-04-22",
              "frame": "CY2020Q1I"
            },
            {
              "end": "2020-06-30",
              "val": 37761000000000,
              "accn": "0000055785-20-000053",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-07-23",
              "frame": "CY2020Q2I"
            },
            {
              "end": "2020-09-30",
              "val": 38182000000000,
              "accn": "0000055785-20-000074",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-22",
              "frame": "CY2020Q3I"
            },
            {
              "end": "2020-12-31",
              "val": 39873000,
              "accn": "0000055785-21-000016",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-11"
            },
            {
              "end": "2020-12-31",
              "val": 39900000,
              "accn": "0000055785-21-000037",
              "fy": 2021,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2021-04-23"
            },
            {
              "end": "2020-12-31",
              "val": 39900000,
              "accn": "0000055785-21-000073",
              "fy": 2021,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2021-07-23"
            },
            {
              "end": "2020-12-31",
              "val": 39900000,
              "accn": "0000055785-21-000091",
              "fy": 2021,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2021-10-25"
            },
            {
              "end": "2020-12-31",
              "val": 39900000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-03-31",
              "val": 41000000,
              "accn": "0000055785-21-000037",
              "fy": 2021,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2021-04-23",
              "frame": "CY2021Q1I"
            },
            {
              "end": "2021-06-30",
              "val": 41700000,
              "accn": "0000055785-21-000073",
              "fy": 2021,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2021-07-23",
              "frame": "CY2021Q2I"
            },
            {
              "end": "2021-09-30",
              "val": 41900000,
              "accn": "0000055785-21-000091",
              "fy": 2021,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2021-10-25",
              "frame": "CY2021Q3I"
            },
            {
              "end": "2021-12-31",
              "val": 41800000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10"
            },
            {
              "end": "2021-12-31",
              "val": 41800000,
              "accn": "0000055785-22-000035",
              "fy": 2022,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2022-04-22"
            },
            {
              "end": "2021-12-31",
              "val": 41800000,
              "accn": "0000055785-22-000055",
              "fy": 2022,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2022-07-26"
            },
            {
              "end": "2021-12-31",
              "val": 41800000,
              "accn": "0000055785-22-000074",
              "fy": 2022,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2022-10-25"
            },
            {
              "end": "2021-12-31",
              "val": 41800000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-03-31",
              "val": 41600000,
              "accn": "0000055785-22-000035",
              "fy": 2022,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2022-04-22",
              "frame": "CY2022Q1I"
            },
            {
              "end": "2022-06-30",
              "val": 41000000,
              "accn": "0000055785-22-000055",
              "fy": 2022,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2022-07-26",
              "frame": "CY2022Q2I"
            },
            {
              "end": "2022-09-30",
              "val": 41100000,
              "accn": "0000055785-22-000074",
              "fy": 2022,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2022-10-25",
              "frame": "CY2022Q3I"
            },
            {
              "end": "2022-12-31",
              "val": 41100000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2022Q4I"
            }
          ]
        }
      },
      "TreasuryStockSharesAcquired": {
        "label": "Treasury Stock, Shares, Acquired",
        "description": "Number of shares that have been repurchased during the period and are being held in treasury.",
        "units": {
          "shares": [
            {
              "start": "2010-01-01",
              "end": "2010-06-30",
              "val": 8200000,
              "accn": "0001193125-10-182676",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-08-09"
            },
            {
              "start": "2010-01-01",
              "end": "2010-09-30",
              "val": 11200000,
              "accn": "0001193125-10-251479",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-11-08"
            },
            {
              "start": "2011-01-01",
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              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 13000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 10000000,
              "accn": "0001628280-25-055209",
              "fy": null,
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              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2024Q4I"
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            {
              "end": "2025-12-31",
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              "accn": "0001628280-26-007567",
              "fy": 2025,
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              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
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          ]
        }
      },
      "FinanceLeaseLiabilityPaymentsDueYearTwo": {
        "label": "Finance Lease, Liability, to be Paid, Year Two",
        "description": "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "units": {
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              "accn": "0000055785-22-000010",
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              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 10000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 14000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
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              "accn": "0000055785-25-000013",
              "fy": 2024,
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              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 11000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2024Q4I"
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            {
              "end": "2025-12-31",
              "val": 13000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
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              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
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          ]
        }
      },
      "FinanceLeaseLiabilityUndiscountedExcessAmount": {
        "label": "Finance Lease, Liability, Undiscounted Excess Amount",
        "description": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.",
        "units": {
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              "frame": "CY2021Q4I"
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              "filed": "2023-02-09",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 10000000,
              "accn": "0000055785-24-000018",
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              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2023Q4I"
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            {
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              "filed": "2025-02-13"
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            {
              "end": "2024-12-31",
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              "frame": "CY2024Q4I"
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              "accn": "0001628280-26-007567",
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              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
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          ]
        }
      },
      "FinanceLeasePrincipalPayments": {
        "label": "Finance Lease, Principal Payments",
        "description": "Amount of cash outflow for principal payment on finance lease.",
        "units": {
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              "val": 18000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
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              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2019"
            },
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              "end": "2020-12-31",
              "val": 14000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
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              "form": "10-K",
              "filed": "2022-02-10"
            },
            {
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              "end": "2020-12-31",
              "val": 14000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2020"
            },
            {
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              "end": "2021-12-31",
              "val": 13000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
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              "accn": "0000055785-23-000012",
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              "form": "10-K",
              "filed": "2023-02-09"
            },
            {
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              "end": "2021-12-31",
              "val": 13000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2021"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": 11000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": 11000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": 11000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": 11000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2022"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 17000000,
              "accn": "0000055785-24-000018",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 17000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 17000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 17000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2023"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 19000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 19000000,
              "accn": "0001628280-25-055209",
              "fy": null,
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              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "start": "2024-01-01",
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              "val": 19000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
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              "val": 25000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025"
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          ]
        }
      },
      "FinanceLeaseRightOfUseAssetAccumulatedAmortization": {
        "label": "Finance Lease, Right-of-Use Asset, Accumulated Amortization",
        "description": "Amount of accumulated amortization of right-of-use asset from finance lease.",
        "units": {
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              "val": 14000000,
              "accn": "0000055785-22-000010",
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              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 27000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10"
            },
            {
              "end": "2021-12-31",
              "val": 27000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-09",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 32000000,
              "accn": "0000055785-23-000012",
              "fy": 2022,
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              "form": "10-K",
              "filed": "2023-02-09"
            },
            {
              "end": "2022-12-31",
              "val": 32000000,
              "accn": "0000055785-24-000018",
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              "form": "10-K",
              "filed": "2024-02-08",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 37000000,
              "accn": "0000055785-24-000018",
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              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
              "end": "2023-12-31",
              "val": 37000000,
              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2023-12-31",
              "val": 28000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
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              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 28000000,
              "accn": "0001628280-25-055209",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "end": "2024-12-31",
              "val": 28000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
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              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
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          ]
        }
      },
      "FinanceLeaseRightOfUseAssetAmortization": {
        "label": "Finance Lease, Right-of-Use Asset, Amortization",
        "description": "Amount of amortization expense attributable to right-of-use asset from finance lease.",
        "units": {
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              "end": "2019-12-31",
              "val": 5000000,
              "accn": "0000055785-22-000010",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2019"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 9000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2020"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 13000000,
              "accn": "0000055785-22-000010",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-10",
              "frame": "CY2021"
            },
            {
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              "end": "2023-12-31",
              "val": 12000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2023"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 14000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": 15000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025"
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          ]
        }
      },
      "FinanceLeaseWeightedAverageDiscountRatePercent": {
        "label": "Finance Lease, Weighted Average Discount Rate, Percent",
        "description": "Weighted average discount rate for finance lease calculated at point in time.",
        "units": {
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              "filed": "2022-02-10",
              "frame": "CY2021Q4I"
            },
            {
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              "filed": "2023-02-09",
              "frame": "CY2022Q4I"
            },
            {
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              "form": "10-K",
              "filed": "2024-02-08"
            },
            {
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              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2023-12-31",
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              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2023Q4I"
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            {
              "end": "2024-12-31",
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              "accn": "0000055785-25-000013",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
              "end": "2024-12-31",
              "val": 0.063,
              "accn": "0001628280-25-055209",
              "fy": null,
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              "form": "8-K",
              "filed": "2025-12-04"
            },
            {
              "end": "2024-12-31",
              "val": 0.063,
              "accn": "0001628280-26-007567",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 0.063,
              "accn": "0001628280-26-007567",
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              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
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          ]
        }
      },
      "FiniteLivedIntangibleAssetsNet": {
        "label": "Finite-Lived Intangible Assets, Net",
        "description": "Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "units": {
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            {
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              "accn": "0000055785-22-000010",
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              "form": "10-K",
              "filed": "2022-02-10"
            },
            {
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              "filed": "2023-02-09",
              "frame": "CY2021Q4I"
            },
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              "filed": "2024-02-08",
              "frame": "CY2022Q4I"
            },
            {
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              "accn": "0000055785-24-000018",
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              "filed": "2024-02-08"
            },
            {
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              "accn": "0000055785-25-000013",
              "fy": 2024,
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              "filed": "2025-02-13"
            },
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              "val": 120000000,
              "accn": "0001628280-25-055209",
              "fy": null,
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              "form": "8-K",
              "filed": "2025-12-04",
              "frame": "CY2023Q4I"
            },
            {
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              "accn": "0000055785-25-000013",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-13"
            },
            {
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              "val": 34000000,
              "accn": "0001628280-25-055209",
              "fy": null,
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            },
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              "accn": "0001628280-26-007567",
              "fy": 2025,
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              "filed": "2026-02-12",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 33000000,
              "accn": "0001628280-26-007567",
              "fy": 2025,
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              "form": "10-K",
              "filed": "2026-02-12",
              "frame": "CY2025Q4I"
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        }
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      "GoodwillForeignCurrencyTranslationGainLoss": {
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