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            {
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        }
      },
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        "label": "Accrual for Environmental Loss Contingencies, Period Increase (Decrease)",
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            {
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            {
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            {
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            {
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              "frame": "CY2023"
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            {
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          ]
        }
      },
      "AccrualForEnvironmentalLossContingenciesProvisionForNewLosses": {
        "label": "Accrual for Environmental Loss Contingencies, Provision for New Losses (Deprecated 2016-01-31)",
        "description": "The amount added to the accrual for newly incurred environmental loss contingencies. These additions include remediation expense and interest accretion. These additions do not relate to changes in the environmental accrual related to a business acquisition or divestiture, to currency movements, or revisions in previously existing estimates.",
        "units": {
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              "end": "2011-09-30",
              "val": 39445000000,
              "accn": "0000930413-11-006765",
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              "fp": "Q3",
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              "filed": "2011-10-21",
              "frame": "CY2011Q3I"
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            {
              "end": "2011-12-31",
              "val": 39808000000,
              "accn": "0000930413-12-002323",
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              "fp": "Q1",
              "form": "10-Q",
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              "frame": "CY2011Q4I"
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            {
              "end": "2011-12-31",
              "val": 39808000000,
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            {
              "end": "2012-03-31",
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              "form": "10-Q",
              "filed": "2012-04-20",
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      },
      "AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent": {
        "label": "Disposal Group, Including Discontinued Operation, Assets, Current",
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              "val": 841000000,
              "accn": "0000930413-11-004879",
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        "label": "Business Acquisition, Cost of Acquired Entity, Purchase Price (Deprecated 2013-01-31)",
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              "accn": "0000930413-10-004278",
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      "CapitalizedContractCostGross": {
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            {
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        "label": "Cash and Cash Equivalents, at Carrying Value",
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              "form": "10-K",
              "filed": "2018-02-09"
            },
            {
              "end": "2017-12-31",
              "val": 2151000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 616000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08"
            },
            {
              "end": "2018-12-31",
              "val": 616000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 419000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14"
            },
            {
              "end": "2019-12-31",
              "val": 419000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 398000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12"
            },
            {
              "end": "2020-12-31",
              "val": 398000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 426000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11"
            },
            {
              "end": "2021-12-31",
              "val": 426000000,
              "accn": "0000773840-23-000013",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-10",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 517000000,
              "accn": "0000773840-23-000013",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-10"
            },
            {
              "end": "2022-12-31",
              "val": 517000000,
              "accn": "0000773840-24-000014",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-16"
            },
            {
              "end": "2022-12-31",
              "val": 517000000,
              "accn": "0000773840-24-000054",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2024-04-25",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 542000000,
              "accn": "0000773840-24-000014",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-16"
            },
            {
              "end": "2023-12-31",
              "val": 542000000,
              "accn": "0000773840-24-000054",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2024-04-25"
            },
            {
              "end": "2023-12-31",
              "val": 542000000,
              "accn": "0000773840-25-000010",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-14",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 516000000,
              "accn": "0000773840-25-000010",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-14"
            },
            {
              "end": "2024-12-31",
              "val": 488000000,
              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-17",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 482000000,
              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-17",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets": {
        "label": "Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets",
        "description": "Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.",
        "units": {
          "pure": [
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 0.08,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2011"
            }
          ]
        }
      },
      "DefinedBenefitPlanBenefitsPaid": {
        "label": "Defined Benefit Plan, Benefits Paid (Deprecated 2017-01-31)",
        "description": "The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets.",
        "units": {
          "USD": [
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": -947000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            }
          ]
        }
      },
      "DefinedBenefitPlanCurtailments": {
        "label": "Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment",
        "description": "Amount of (increase) decrease in benefit obligation of defined benefit plan from event reducing expected years of future service of present employees or eliminating accrual of benefits for some or all future services of present employees.",
        "units": {
          "USD": [
            {
              "start": "2011-04-01",
              "end": "2011-06-30",
              "val": 61000000,
              "accn": "0000930413-11-006765",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-10-21",
              "frame": "CY2011Q2"
            },
            {
              "start": "2011-07-01",
              "end": "2011-09-30",
              "val": 106000000,
              "accn": "0000930413-11-006765",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-10-21",
              "frame": "CY2011Q3"
            }
          ]
        }
      },
      "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": -78000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": -80000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            }
          ]
        }
      },
      "DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1": {
        "label": "Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation",
        "description": "Amount of decrease in accumulated postretirement benefit obligation from one-percentage-point decrease in assumed health care cost trend rate.",
        "units": {
          "USD": [
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 82000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15",
              "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": -4000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": -3000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            }
          ]
        }
      },
      "DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1": {
        "label": "Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components",
        "description": "Amount of decrease in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point decrease in assumed health care cost trend rate.",
        "units": {
          "USD": [
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 3000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15",
              "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": 119000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 126000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 158000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15",
              "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": 6000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 5000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 5000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15",
              "frame": "CY2012"
            }
          ]
        }
      },
      "DefinedBenefitPlanEffectOfPlanAmendmentOnAccumulatedBenefitObligation": {
        "label": "Defined Benefit Plan, Effect of Plan Amendment on Accumulated Benefit Obligation (Deprecated 2017-01-31)",
        "description": "The amount of increase or decrease in the accumulated benefit obligation related to the effects of a change in the substantive terms of an existing defined benefit pension plan or the initiation of a new plan. A plan amendment may increase or decrease benefits, including those attributed to years of service already rendered.",
        "units": {
          "USD": [
            {
              "end": "2009-12-31",
              "val": 180000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-06-30",
              "val": 39000000,
              "accn": "0000930413-10-005192",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-10-22",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-06-30",
              "val": 39000000,
              "accn": "0000930413-10-004278",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2010-08-05"
            },
            {
              "end": "2010-09-30",
              "val": 137000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-09-30",
              "val": 137000000,
              "accn": "0000930413-10-005192",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-10-22"
            },
            {
              "end": "2010-12-31",
              "val": 39000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-06-30",
              "val": 18000000,
              "accn": "0000930413-11-004879",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-07-22",
              "frame": "CY2011Q2I"
            }
          ]
        }
      },
      "DefinedBenefitPlanEffectOfPlanAmendmentOnNetPeriodicBenefitCost": {
        "label": "Defined Benefit Plan, Effect of Plan Amendment on Net Periodic Benefit Cost (Deprecated 2017-01-31)",
        "description": "The amount of increase or decrease in net periodic benefit cost related to the effects of a change in the substantive terms of an existing defined benefit plan or the initiation of a new plan. A plan amendment may increase or decrease benefits, including those attributed to years of service already rendered.",
        "units": {
          "USD": [
            {
              "end": "2009-12-31",
              "val": 98000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-06-30",
              "val": 37000000,
              "accn": "0000930413-10-005192",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-10-22",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-06-30",
              "val": 37000000,
              "accn": "0000930413-10-004278",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2010-08-05"
            },
            {
              "end": "2010-12-31",
              "val": 37000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010Q4I"
            }
          ]
        }
      },
      "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": "2010-12-31",
              "val": 250000000,
              "accn": "0000930413-11-006765",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-10-21",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-01-31",
              "val": 1000000000,
              "accn": "0000930413-11-006765",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-10-21"
            },
            {
              "end": "2011-09-30",
              "val": 400000000,
              "accn": "0000930413-11-006765",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-10-21",
              "frame": "CY2011Q3I"
            }
          ]
        }
      },
      "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": "2009-01-01",
              "end": "2009-12-31",
              "val": 0.08,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0.08,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2010"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0.08,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 0.075,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15",
              "frame": "CY2011"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 0.075,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 0.07,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15",
              "frame": "CY2012"
            }
          ]
        }
      },
      "DefinedBenefitPlanTargetAllocationPercentageOfAssetsDebtSecuritiesRangeMaximum": {
        "label": "Defined Benefit Plan, Target Allocation Percentage of Assets, Debt Securities, Range Maximum (Deprecated 2012-01-31)",
        "description": "Target allocation maximum 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": 0.2,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 0.2,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            }
          ]
        }
      },
      "DefinedBenefitPlanTargetAllocationPercentageOfAssetsDebtSecuritiesRangeMinimum": {
        "label": "Defined Benefit Plan, Target Allocation Percentage of Assets, Debt Securities, Range Minimum (Deprecated 2012-01-31)",
        "description": "Target allocation minimum 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": 0.1,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 0.1,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            }
          ]
        }
      },
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      "DefinedBenefitPlanTargetAllocationPercentageOfAssetsRealEstateRangeMaximum": {
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          ]
        }
      },
      "DefinedBenefitPlanUltimateHealthCareCostTrendRate": {
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              "start": "2013-01-01",
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              "val": 499000000,
              "accn": "0000930413-15-004011",
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              "start": "2014-01-01",
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              "val": 667000000,
              "accn": "0000930413-15-000621",
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            {
              "start": "2014-01-01",
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              "fp": "FY",
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            {
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              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-10",
              "frame": "CY2022Q4I"
            },
            {
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              "val": 7000000,
              "accn": "0000773840-24-000014",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-16"
            },
            {
              "end": "2023-12-31",
              "val": 7000000,
              "accn": "0000773840-24-000054",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2024-04-25",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 0,
              "accn": "0000773840-25-000010",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-14",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 0,
              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-17",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths": {
        "label": "Finance Lease, Liability, Payments, Due in Next Rolling Twelve Months",
        "description": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due after fifth fiscal year following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.",
        "units": {
          "USD": [
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              "end": "2020-12-31",
              "val": 83000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 77000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 94000000,
              "accn": "0000773840-23-000013",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-10",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
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              "accn": "0000773840-24-000014",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-16"
            },
            {
              "end": "2023-12-31",
              "val": 98000000,
              "accn": "0000773840-24-000054",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2024-04-25",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 75000000,
              "accn": "0000773840-25-000010",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-14",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 39000000,
              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-17",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "FinanceLeaseLiabilityPaymentsDueYearFive": {
        "label": "Finance Lease, Liability, to be Paid, Year Five",
        "description": "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid 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": [
            {
              "end": "2019-03-31",
              "val": 39000000,
              "accn": "0001628280-19-004415",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-18",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 39000000,
              "accn": "0000773840-19-000013",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-18",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 39000000,
              "accn": "0000773840-19-000026",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-17",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 37000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 13000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 0,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 12000000,
              "accn": "0000773840-23-000013",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-10",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 11000000,
              "accn": "0000773840-24-000014",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-16"
            },
            {
              "end": "2023-12-31",
              "val": 11000000,
              "accn": "0000773840-24-000054",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2024-04-25",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 7000000,
              "accn": "0000773840-25-000010",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-14",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 0,
              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-17",
              "frame": "CY2025Q4I"
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          ]
        }
      },
      "FinanceLeaseLiabilityPaymentsDueYearFour": {
        "label": "Finance Lease, Liability, to be Paid, Year Four",
        "description": "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid 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": {
          "USD": [
            {
              "end": "2019-03-31",
              "val": 45000000,
              "accn": "0001628280-19-004415",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-18",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 45000000,
              "accn": "0000773840-19-000013",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-18",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 47000000,
              "accn": "0000773840-19-000026",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-17",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 41000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 40000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 14000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 15000000,
              "accn": "0000773840-23-000013",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-10",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 12000000,
              "accn": "0000773840-24-000014",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-16"
            },
            {
              "end": "2023-12-31",
              "val": 12000000,
              "accn": "0000773840-24-000054",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2024-04-25",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 14000000,
              "accn": "0000773840-25-000010",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-14",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 2000000,
              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-17",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "FinanceLeaseLiabilityPaymentsDueYearThree": {
        "label": "Finance Lease, Liability, to be Paid, Year Three",
        "description": "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid 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).",
        "units": {
          "USD": [
            {
              "end": "2019-03-31",
              "val": 60000000,
              "accn": "0001628280-19-004415",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-18",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 60000000,
              "accn": "0000773840-19-000013",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-18",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 63000000,
              "accn": "0000773840-19-000026",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-17",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 53000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 46000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 47000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 37000000,
              "accn": "0000773840-23-000013",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-10",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 24000000,
              "accn": "0000773840-24-000014",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-16"
            },
            {
              "end": "2023-12-31",
              "val": 24000000,
              "accn": "0000773840-24-000054",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2024-04-25",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 25000000,
              "accn": "0000773840-25-000010",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-14",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 6000000,
              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-17",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "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": {
          "USD": [
            {
              "end": "2019-03-31",
              "val": 71000000,
              "accn": "0001628280-19-004415",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-18",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 72000000,
              "accn": "0000773840-19-000013",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-18",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 75000000,
              "accn": "0000773840-19-000026",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-17",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 73000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 63000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 59000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 81000000,
              "accn": "0000773840-23-000013",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-10",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 53000000,
              "accn": "0000773840-24-000014",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-16"
            },
            {
              "end": "2023-12-31",
              "val": 53000000,
              "accn": "0000773840-24-000054",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2024-04-25",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 44000000,
              "accn": "0000773840-25-000010",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-14",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 20000000,
              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-17",
              "frame": "CY2025Q4I"
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          ]
        }
      },
      "FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear": {
        "label": "Finance Lease, Liability, to be Paid, Remainder of Fiscal Year",
        "description": "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year.",
        "units": {
          "USD": [
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              "end": "2019-03-31",
              "val": 61000000,
              "accn": "0001628280-19-004415",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-18",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 40000000,
              "accn": "0000773840-19-000013",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-18",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 21000000,
              "accn": "0000773840-19-000026",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-17",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 86000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2019Q4I"
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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": {
          "USD": [
            {
              "end": "2019-03-31",
              "val": 111000000,
              "accn": "0001628280-19-004415",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-18",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 103000000,
              "accn": "0000773840-19-000013",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-18",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 94000000,
              "accn": "0000773840-19-000026",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-17",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 87000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 61000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12",
              "frame": "CY2020Q4I"
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              "end": "2021-12-31",
              "val": 41000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 35000000,
              "accn": "0000773840-23-000013",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-10",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 20000000,
              "accn": "0000773840-24-000014",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-16"
            },
            {
              "end": "2023-12-31",
              "val": 20000000,
              "accn": "0000773840-24-000054",
              "fy": null,
              "fp": null,
              "form": "8-K",
              "filed": "2024-04-25",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 11000000,
              "accn": "0000773840-25-000010",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-14",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 3000000,
              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-17",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "FinanceLeasePrincipalPayments": {
        "label": "Finance Lease, Principal Payments",
        "description": "Amount of cash outflow for principal payment on finance lease.",
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              "frame": "CY2024Q4I"
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              "accn": "0000773840-26-000013",
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              "accn": "0000930413-17-000391",
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              "accn": "0000773840-26-000013",
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              "form": "10-K",
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            {
              "end": "2019-09-30",
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              "end": "2019-12-31",
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      },
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        "label": "LIFO Inventory Amount",
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        "label": "Disposal Group, Including Discontinued Operation, Liabilities, Current",
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            {
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      },
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              "form": "10-K",
              "filed": "2012-02-17"
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            {
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            {
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              "val": 2800000000,
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              "fy": 2011,
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              "filed": "2011-07-22"
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            {
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        "label": "Line of Credit Facility, Maximum Borrowing Capacity",
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              "accn": "0000930413-11-000961",
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            {
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            {
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              "fy": 2011,
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            {
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              "frame": "CY2011Q4I"
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            {
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              "accn": "0000930413-13-000907",
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      },
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        "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.",
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            {
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              "filed": "2011-02-11",
              "frame": "CY2009Q4I"
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            {
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              "accn": "0000930413-10-004278",
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            {
              "end": "2010-09-30",
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              "accn": "0000930413-10-005192",
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              "frame": "CY2010Q3I"
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              "filed": "2012-02-17",
              "frame": "CY2010Q4I"
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              "end": "2011-03-31",
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              "fy": 2011,
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              "filed": "2012-02-17"
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              "form": "10-Q",
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            {
              "end": "2012-09-30",
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-10-19",
              "frame": "CY2012Q3I"
            },
            {
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              "val": 7020000000,
              "accn": "0000930413-13-000907",
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            {
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              "form": "10-Q",
              "filed": "2013-07-19"
            },
            {
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            {
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              "filed": "2014-02-14",
              "frame": "CY2012Q4I"
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            {
              "end": "2013-03-31",
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              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-04-19",
              "frame": "CY2013Q1I"
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              "end": "2018-12-31",
              "val": 229000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 229000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 229000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 100000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 100000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 100000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2019"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 98000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 98000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2020"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 95000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2021"
            }
          ]
        }
      },
      "LossContingencyPendingClaimsNumber": {
        "label": "Loss Contingency, Pending Claims, Number",
        "description": "Number of pending claims pertaining to a loss contingency.",
        "units": {
          "claims": [
            {
              "end": "2010-12-31",
              "val": 22480,
              "accn": "0000930413-12-003974",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-07-18",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 22571,
              "accn": "0000930413-12-003974",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-07-18",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-06-30",
              "val": 22869,
              "accn": "0000930413-12-003974",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-07-18",
              "frame": "CY2012Q2I"
            }
          ],
          "pure": [
            {
              "end": "2009-12-31",
              "val": 19940,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2009-12-31",
              "val": 19940,
              "accn": "0000930413-10-005192",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-10-22"
            },
            {
              "end": "2009-12-31",
              "val": 19940,
              "accn": "0000930413-10-004278",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2010-08-05"
            },
            {
              "end": "2010-12-31",
              "val": 22480,
              "accn": "0000930413-12-002323",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-04-20",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 22480,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17"
            },
            {
              "end": "2010-12-31",
              "val": 22480,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "end": "2011-12-31",
              "val": 22571,
              "accn": "0000930413-12-002323",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-04-20",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 22571,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17"
            },
            {
              "end": "2012-03-31",
              "val": 22619,
              "accn": "0000930413-12-002323",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-04-20",
              "frame": "CY2012Q1I"
            }
          ]
        }
      },
      "LossContingencyRangeOfPossibleLossMaximum": {
        "label": "Loss Contingency, Range of Possible Loss, Maximum (Deprecated 2016-01-31)",
        "description": "The estimated maximum amount of possible loss from the contingency.",
        "units": {
          "USD": [
            {
              "end": "2015-12-31",
              "val": 961000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2015Q4I"
            }
          ]
        }
      },
      "LossContingencyRangeOfPossibleLossMinimum": {
        "label": "Loss Contingency, Range of Possible Loss, Minimum (Deprecated 2016-01-31)",
        "description": "The estimated minimum amount of possible loss from the contingency.",
        "units": {
          "USD": [
            {
              "end": "2015-12-31",
              "val": 743000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2015Q4I"
            }
          ]
        }
      },
      "LossContingencyReceivable": {
        "label": "Loss Contingency, Receivable",
        "description": "Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.",
        "units": {
          "USD": [
            {
              "end": "2010-12-31",
              "val": 875000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 780000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "end": "2011-12-31",
              "val": 780000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 707000000,
              "accn": "0000930413-13-004995",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-10-18"
            },
            {
              "end": "2012-12-31",
              "val": 707000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "end": "2012-12-31",
              "val": 707000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13"
            },
            {
              "end": "2012-12-31",
              "val": 707000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-09-30",
              "val": 697000000,
              "accn": "0000930413-13-004995",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-10-18",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2013-12-31",
              "val": 672000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "end": "2013-12-31",
              "val": 672000000,
              "accn": "0000930413-14-001831",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-04-17"
            },
            {
              "end": "2013-12-31",
              "val": 672000000,
              "accn": "0000930413-14-003256",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-07-18"
            },
            {
              "end": "2013-12-31",
              "val": 672000000,
              "accn": "0000930413-14-004352",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-10-17"
            },
            {
              "end": "2013-12-31",
              "val": 672000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13"
            },
            {
              "end": "2013-12-31",
              "val": 672000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12"
            },
            {
              "end": "2013-12-31",
              "val": 672000000,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-03-31",
              "val": 661000000,
              "accn": "0000930413-14-001831",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-04-17",
              "frame": "CY2014Q1I"
            },
            {
              "end": "2014-06-30",
              "val": 509000000,
              "accn": "0000930413-14-003256",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-07-18",
              "frame": "CY2014Q2I"
            },
            {
              "end": "2014-09-30",
              "val": 501000000,
              "accn": "0000930413-14-004352",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-10-17",
              "frame": "CY2014Q3I"
            },
            {
              "end": "2014-12-31",
              "val": 485000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13"
            },
            {
              "end": "2014-12-31",
              "val": 485000000,
              "accn": "0000930413-15-001806",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-04-17"
            },
            {
              "end": "2014-12-31",
              "val": 485000000,
              "accn": "0000930413-15-003083",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-07-17"
            },
            {
              "end": "2014-12-31",
              "val": 485000000,
              "accn": "0000930413-15-004011",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-10-16"
            },
            {
              "end": "2014-12-31",
              "val": 485000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12"
            },
            {
              "end": "2014-12-31",
              "val": 485000000,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10"
            },
            {
              "end": "2014-12-31",
              "val": 485000000,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-03-31",
              "val": 477000000,
              "accn": "0000930413-15-001806",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-04-17",
              "frame": "CY2015Q1I"
            },
            {
              "end": "2015-06-30",
              "val": 464000000,
              "accn": "0000930413-15-003083",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-07-17",
              "frame": "CY2015Q2I"
            },
            {
              "end": "2015-09-30",
              "val": 445000000,
              "accn": "0000930413-15-004011",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-10-16",
              "frame": "CY2015Q3I"
            },
            {
              "end": "2015-12-31",
              "val": 449000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12"
            },
            {
              "end": "2015-12-31",
              "val": 449000000,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10"
            },
            {
              "end": "2015-12-31",
              "val": 449000000,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09"
            },
            {
              "end": "2015-12-31",
              "val": 547000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 440000000,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10"
            },
            {
              "end": "2016-12-31",
              "val": 440000000,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09"
            },
            {
              "end": "2016-12-31",
              "val": 520000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08"
            },
            {
              "end": "2016-12-31",
              "val": 520000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 435000000,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09"
            },
            {
              "end": "2017-12-31",
              "val": 503000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08"
            },
            {
              "end": "2017-12-31",
              "val": 503000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14"
            },
            {
              "end": "2017-12-31",
              "val": 503000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 477000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08"
            },
            {
              "end": "2018-12-31",
              "val": 477000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14"
            },
            {
              "end": "2018-12-31",
              "val": 477000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12"
            },
            {
              "end": "2018-12-31",
              "val": 477000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 434000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14"
            },
            {
              "end": "2019-12-31",
              "val": 434000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12"
            },
            {
              "end": "2019-12-31",
              "val": 434000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 402000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12"
            },
            {
              "end": "2020-12-31",
              "val": 402000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 363000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2021Q4I"
            }
          ]
        }
      },
      "LossContingencyReceivableCurrent": {
        "label": "Loss Contingency, Receivable, Current",
        "description": "Amount of receivable related to a loss contingency accrual that is expected to be collected within one year or the normal operating cycle, if longer. For example, an insurance recovery receivable.",
        "units": {
          "USD": [
            {
              "end": "2012-12-31",
              "val": 44000000,
              "accn": "0000930413-13-004995",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-10-18"
            },
            {
              "end": "2012-12-31",
              "val": 44000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-09-30",
              "val": 44000000,
              "accn": "0000930413-13-004995",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-10-18",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2013-12-31",
              "val": 77000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "end": "2013-12-31",
              "val": 77000000,
              "accn": "0000930413-14-001831",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-04-17"
            },
            {
              "end": "2013-12-31",
              "val": 77000000,
              "accn": "0000930413-14-003256",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-07-18"
            },
            {
              "end": "2013-12-31",
              "val": 77000000,
              "accn": "0000930413-14-004352",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-10-17"
            },
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            {
              "end": "2024-06-30",
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              "end": "2025-06-30",
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            {
              "end": "2025-09-30",
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        "label": "Loss Contingency, Receivable, Proceeds",
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              "filed": "2019-02-08"
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              "accn": "0000930413-12-000976",
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              "fp": "FY",
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              "filed": "2011-02-11"
            },
            {
              "end": "2011-03-31",
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              "accn": "0000930413-11-002923",
              "fy": 2011,
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              "form": "10-Q",
              "filed": "2011-04-21",
              "frame": "CY2011Q1I"
            },
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              "end": "2011-12-31",
              "val": -780000000,
              "accn": "0000930413-12-005805",
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              "fp": "Q3",
              "form": "10-Q",
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            {
              "end": "2011-12-31",
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              "filed": "2012-04-20"
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            {
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              "filed": "2012-02-17"
            },
            {
              "end": "2012-03-31",
              "val": 751000000,
              "accn": "0000930413-12-002323",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-04-20",
              "frame": "CY2012Q1I"
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              "end": "2012-06-30",
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              "accn": "0000930413-12-003974",
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              "form": "10-Q",
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            {
              "end": "2012-09-30",
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      },
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        "label": "Loss Contingency, Receivable, Additions",
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              "frame": "CY2008"
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            {
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              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
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            {
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              "end": "2009-12-31",
              "val": 24000000,
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              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2009"
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            {
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              "end": "2010-06-30",
              "val": 9000000,
              "accn": "0000930413-10-004278",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2010-08-05"
            },
            {
              "start": "2010-01-01",
              "end": "2010-09-30",
              "val": 14000000,
              "accn": "0000930413-10-005192",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-10-22"
            },
            {
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              "end": "2010-12-31",
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              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
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              "end": "2010-12-31",
              "val": 26000000,
              "accn": "0000930413-12-000976",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17"
            },
            {
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              "end": "2010-12-31",
              "val": 26000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-03-31",
              "val": 4000000,
              "accn": "0000930413-11-002923",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-04-21",
              "frame": "CY2011Q1"
            },
            {
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              "end": "2011-12-31",
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              "accn": "0000930413-12-000976",
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              "filed": "2012-02-17"
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            {
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              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
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              "filed": "2013-02-15"
            },
            {
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              "end": "2011-12-31",
              "val": 29000000,
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              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2011"
            },
            {
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              "end": "2012-03-31",
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              "accn": "0000930413-12-002323",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-04-20",
              "frame": "CY2012Q1"
            },
            {
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              "end": "2012-06-30",
              "val": 10000000,
              "accn": "0000930413-12-003974",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-07-18"
            },
            {
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              "end": "2012-09-30",
              "val": 23000000,
              "accn": "0000930413-12-005805",
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              "form": "10-Q",
              "filed": "2012-10-19"
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            {
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              "end": "2012-12-31",
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              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15"
            },
            {
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              "end": "2012-12-31",
              "val": 28000000,
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              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
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              "end": "2012-12-31",
              "val": 28000000,
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              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13",
              "frame": "CY2012"
            },
            {
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              "end": "2013-03-31",
              "val": 10000000,
              "accn": "0000930413-13-002334",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-04-19",
              "frame": "CY2013Q1"
            },
            {
              "start": "2013-01-01",
              "end": "2013-06-30",
              "val": 15000000,
              "accn": "0000930413-13-003894",
              "fy": 2013,
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              "filed": "2013-07-19"
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            {
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              "end": "2013-09-30",
              "val": 21000000,
              "accn": "0000930413-13-004995",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-10-18"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 27000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 27000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 27000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
              "end": "2014-03-31",
              "val": 7000000,
              "accn": "0000930413-14-001831",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-04-17",
              "frame": "CY2014Q1"
            },
            {
              "start": "2014-01-01",
              "end": "2014-06-30",
              "val": 12000000,
              "accn": "0000930413-14-003256",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-07-18"
            },
            {
              "start": "2014-01-01",
              "end": "2014-09-30",
              "val": 18000000,
              "accn": "0000930413-14-004352",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-10-17"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 24000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 24000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 24000000,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-03-31",
              "val": 5000000,
              "accn": "0000930413-15-001806",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-04-17",
              "frame": "CY2015Q1"
            },
            {
              "start": "2015-01-01",
              "end": "2015-06-30",
              "val": 11000000,
              "accn": "0000930413-15-003083",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-07-17"
            },
            {
              "start": "2015-01-01",
              "end": "2015-09-30",
              "val": 14000000,
              "accn": "0000930413-15-004011",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-10-16"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 21000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 21000000,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 21000000,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09",
              "frame": "CY2015"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 26000000,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 26000000,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 8000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 22000000,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 10000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 10000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 11000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 11000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 11000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 3000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 3000000,
              "accn": "0000773840-21-000015",
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              "filed": "2021-02-12"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 3000000,
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              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2019"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 10000000,
              "accn": "0000773840-21-000015",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 10000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2020"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 7000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-11",
              "frame": "CY2021"
            }
          ]
        }
      },
      "LossContingencyRelatedReceivableCarryingValueCurrent": {
        "label": "Loss Contingency, Related Receivable Carrying Value, Current (Deprecated 2013-01-31)",
        "description": "The portion of the carrying amount as of the balance sheet date of a recorded receivable related to a loss contingency accrual that is expected to be collected within one year or the normal operating cycle, if longer. For example, an insurance recovery receivable to the extent that the insurance recovery is probable and does not exceed the amount of the loss previously recognized in the financial statements.",
        "units": {
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              "accn": "0000930413-11-000961",
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            },
            {
              "end": "2009-12-31",
              "val": 62000000,
              "accn": "0000930413-10-005192",
              "fy": 2010,
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              "filed": "2010-10-22"
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            {
              "end": "2009-12-31",
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              "fy": 2010,
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            },
            {
              "end": "2010-06-30",
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              "filed": "2010-08-05",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-09-30",
              "val": 40000000,
              "accn": "0000930413-10-005192",
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              "filed": "2010-10-22",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
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              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 50000000,
              "accn": "0000930413-11-002923",
              "fy": 2011,
              "fp": "Q1",
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            {
              "end": "2010-12-31",
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              "accn": "0000930413-11-000961",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "end": "2011-03-31",
              "val": 50000000,
              "accn": "0000930413-11-002923",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-04-21",
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            {
              "end": "2011-12-31",
              "val": -71000000,
              "accn": "0000930413-12-005805",
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              "end": "2011-12-31",
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            {
              "end": "2011-12-31",
              "val": 71000000,
              "accn": "0000930413-12-000976",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17"
            },
            {
              "end": "2012-03-31",
              "val": 71000000,
              "accn": "0000930413-12-002323",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-04-20",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
              "val": -71000000,
              "accn": "0000930413-12-003974",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-07-18",
              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-09-30",
              "val": -71000000,
              "accn": "0000930413-12-005805",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-10-19",
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            }
          ]
        }
      },
      "LossContingencyRelatedReceivableCarryingValueReceipts": {
        "label": "Loss Contingency, Receivable, Receipts (Deprecated 2016-01-31)",
        "description": "Amount of collections of receivables pertaining to a loss contingency.",
        "units": {
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              "end": "2008-12-31",
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              "accn": "0000930413-11-000961",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
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              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": -16000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-06-30",
              "val": -29000000,
              "accn": "0000930413-10-004278",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2010-08-05"
            },
            {
              "start": "2010-01-01",
              "end": "2010-09-30",
              "val": -134000000,
              "accn": "0000930413-10-005192",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-10-22"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
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              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": -141000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 141000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-03-31",
              "val": -4000000,
              "accn": "0000930413-11-002923",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-04-21",
              "frame": "CY2011Q1"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": -134000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 134000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 134000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": -42000000,
              "accn": "0000930413-12-002323",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-04-20",
              "frame": "CY2012Q1"
            },
            {
              "start": "2012-01-01",
              "end": "2012-06-30",
              "val": 60000000,
              "accn": "0000930413-12-003974",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-07-18"
            },
            {
              "start": "2012-01-01",
              "end": "2012-09-30",
              "val": 94000000,
              "accn": "0000930413-12-005805",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-10-19"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 122000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 122000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 122000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-03-31",
              "val": 19000000,
              "accn": "0000930413-13-002334",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-04-19",
              "frame": "CY2013Q1"
            },
            {
              "start": "2013-01-01",
              "end": "2013-06-30",
              "val": 27000000,
              "accn": "0000930413-13-003894",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-07-19"
            },
            {
              "start": "2013-01-01",
              "end": "2013-09-30",
              "val": 37000000,
              "accn": "0000930413-13-004995",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-10-18"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 58000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 58000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 58000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
              "end": "2014-03-31",
              "val": 25000000,
              "accn": "0000930413-14-001831",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-04-17",
              "frame": "CY2014Q1"
            },
            {
              "start": "2014-01-01",
              "end": "2014-06-30",
              "val": 183000000,
              "accn": "0000930413-14-003256",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-07-18"
            },
            {
              "start": "2014-01-01",
              "end": "2014-09-30",
              "val": 197000000,
              "accn": "0000930413-14-004352",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-10-17"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 211000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 211000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2014"
            },
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              "accn": "0000773840-23-000013",
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            {
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            {
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              "filed": "2024-04-25"
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            {
              "end": "2022-12-31",
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              "frame": "CY2022Q4I"
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            },
            {
              "end": "2023-12-31",
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            {
              "end": "2024-12-31",
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            {
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              "fy": 2025,
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              "filed": "2026-02-17",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 4628000000,
              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-17",
              "frame": "CY2025Q4I"
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          ]
        }
      },
      "NotesAndLoansReceivableNetNoncurrent": {
        "label": "Financing Receivable, after Allowance for Credit Loss, Noncurrent",
        "description": "Amount, after allowance for credit loss, of financing receivable, classified as noncurrent.",
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              "val": 142000000,
              "accn": "0000930413-11-000961",
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            {
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              "frame": "CY2019"
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            {
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              "accn": "0000773840-22-000071",
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            {
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              "form": "10-Q",
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            {
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              "end": "2025-03-31",
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              "accn": "0000773840-25-000037",
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              "frame": "CY2025"
            },
            {
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              "end": "2026-03-31",
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              "accn": "0000773840-26-000057",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
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              "frame": "CY2026Q1"
            },
            {
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              "form": "10-Q",
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        }
      },
      "OperatingLeaseCost": {
        "label": "Operating Lease, Cost",
        "description": "Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.",
        "units": {
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        "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.",
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              "filed": "2018-02-09",
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              "form": "10-Q",
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            {
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              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 133000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 114000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 110000000,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 121000000,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 109000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08"
            },
            {
              "end": "2018-12-31",
              "val": 109000000,
              "accn": "0001628280-19-004415",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-18"
            },
            {
              "end": "2018-12-31",
              "val": 109000000,
              "accn": "0000773840-19-000013",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-18"
            },
            {
              "end": "2018-12-31",
              "val": 109000000,
              "accn": "0000773840-19-000026",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-17"
            },
            {
              "end": "2018-12-31",
              "val": 109000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "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": 192000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 184000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 191000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 188000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 202000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 172000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 158000000,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 161000000,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 142000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08"
            },
            {
              "end": "2018-12-31",
              "val": 142000000,
              "accn": "0001628280-19-004415",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-18"
            },
            {
              "end": "2018-12-31",
              "val": 142000000,
              "accn": "0000773840-19-000013",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-18"
            },
            {
              "end": "2018-12-31",
              "val": 142000000,
              "accn": "0000773840-19-000026",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-17"
            },
            {
              "end": "2018-12-31",
              "val": 142000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "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": 245000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 248000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 251000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 252000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 268000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 249000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 216000000,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 226000000,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 168000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08"
            },
            {
              "end": "2018-12-31",
              "val": 168000000,
              "accn": "0001628280-19-004415",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-18"
            },
            {
              "end": "2018-12-31",
              "val": 168000000,
              "accn": "0000773840-19-000013",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-18"
            },
            {
              "end": "2018-12-31",
              "val": 168000000,
              "accn": "0000773840-19-000026",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-17"
            },
            {
              "end": "2018-12-31",
              "val": 168000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "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": {
          "USD": [
            {
              "end": "2010-12-31",
              "val": 332000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 243000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 312000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 264000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 257000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 273000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 256000000,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 226000000,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 147000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08"
            },
            {
              "end": "2018-12-31",
              "val": 147000000,
              "accn": "0001628280-19-004415",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-18"
            },
            {
              "end": "2018-12-31",
              "val": 147000000,
              "accn": "0000773840-19-000013",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-18"
            },
            {
              "end": "2018-12-31",
              "val": 147000000,
              "accn": "0000773840-19-000026",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-17"
            },
            {
              "end": "2018-12-31",
              "val": 147000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear": {
        "label": "Operating Leases, Future Minimum Payments, Remainder of Fiscal Year",
        "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 remainder of the 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": "2018-12-31",
              "val": 210000000,
              "accn": "0001628280-19-004415",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-18"
            },
            {
              "end": "2018-12-31",
              "val": 210000000,
              "accn": "0000773840-19-000013",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-18"
            },
            {
              "end": "2018-12-31",
              "val": 210000000,
              "accn": "0000773840-19-000026",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-17"
            },
            {
              "end": "2018-12-31",
              "val": 210000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesRentExpenseNet": {
        "label": "Operating Leases, Rent Expense, Net",
        "description": "Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.",
        "units": {
          "USD": [
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 366000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 369000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 369000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 386000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 386000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 386000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 390000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 390000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 390000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 404000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 404000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 404000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 420000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 420000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 420000000,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 390000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 390000000,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 390000000,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09",
              "frame": "CY2015"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 387000000,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 387000000,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 387000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 385000000,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 385000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08",
              "frame": "CY2017"
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            {
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            {
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            {
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              "val": 0,
              "accn": "0000773840-25-000010",
              "fy": 2024,
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              "frame": "CY2022"
            },
            {
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              "val": 0,
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            {
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            {
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            {
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              "val": 10000000,
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            {
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              "val": 0,
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              "fy": 2025,
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              "frame": "CY2025"
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          ]
        }
      },
      "OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease": {
        "label": "Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Tax (Deprecated 2012-01-31)",
        "description": "Amounts recognized in other comprehensive income (but not yet recognized in net periodic benefit cost), including the net gain (loss) and net prior service cost (credit) arising during the period. Also includes reclassification adjustments out of other comprehensive income as a result of being recognized as components of net periodic benefit cost for the period. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.",
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      },
      "OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease": {
        "label": "Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax (Deprecated 2012-01-31)",
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      "OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax": {
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              "frame": "CY2013Q3"
            },
            {
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              "frame": "CY2013"
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            {
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              "val": 0,
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            {
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      },
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        "label": "Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax (Deprecated 2012-01-31)",
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      },
      "OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxEffectPeriodIncreaseDecrease": {
        "label": "Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Effect (Deprecated 2012-01-31)",
        "description": "Total tax effect of the change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. The change includes an entity's share of an equity investee's increase or decrease in deferred hedging gains or losses. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.",
        "units": {
          "USD": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 16000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": -8000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2009"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": -8000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 2000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2010"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 2000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 7000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            }
          ]
        }
      },
      "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecrease": {
        "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax (Deprecated 2012-01-31)",
        "description": "Pre tax adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains (losses). Includes gain (loss) on foreign currency forward exchange contracts. Includes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. Includes the gain (loss) on a derivative instrument or nonderivative financial instrument that may give rise to a foreign currency transaction gain (loss) that has been designated and qualified as a hedging instrument for hedging of the foreign currency exposure of a net investment in a foreign operation.",
        "units": {
          "USD": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": -614000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 259000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2009"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 259000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": -249000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2010"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": -249000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": -146000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            }
          ]
        }
      },
      "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease": {
        "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax (Deprecated 2012-01-31)",
        "description": "Adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency of the reporting entity, net of tax.",
        "units": {
          "USD": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": -614000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 259000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2009"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 259000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": -249000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2010"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": -249000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": -146000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            }
          ]
        }
      },
      "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax": {
        "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax",
        "description": "Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.",
        "units": {
          "USD": [
            {
              "start": "2009-01-01",
              "end": "2009-06-30",
              "val": 139000000,
              "accn": "0000930413-10-004278",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2010-08-05"
            },
            {
              "start": "2009-04-01",
              "end": "2009-06-30",
              "val": 389000000,
              "accn": "0000930413-10-004278",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2010-08-05",
              "frame": "CY2009Q2"
            },
            {
              "start": "2009-01-01",
              "end": "2009-09-30",
              "val": 337000000,
              "accn": "0000930413-10-005192",
              "fy": 2010,
              "fp": "Q3",
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              "filed": "2010-10-22"
            },
            {
              "start": "2009-07-01",
              "end": "2009-09-30",
              "val": 198000000,
              "accn": "0000930413-10-005192",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-10-22",
              "frame": "CY2009Q3"
            },
            {
              "start": "2010-01-01",
              "end": "2010-03-31",
              "val": -284000000,
              "accn": "0000930413-11-002923",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-04-21",
              "frame": "CY2010Q1"
            },
            {
              "start": "2010-01-01",
              "end": "2010-06-30",
              "val": -705000000,
              "accn": "0000930413-11-004879",
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            },
            {
              "start": "2010-01-01",
              "end": "2010-06-30",
              "val": -705000000,
              "accn": "0000930413-10-004278",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2010-08-05"
            },
            {
              "start": "2010-04-01",
              "end": "2010-06-30",
              "val": -421000000,
              "accn": "0000930413-11-004879",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-07-22",
              "frame": "CY2010Q2"
            },
            {
              "start": "2010-04-01",
              "end": "2010-06-30",
              "val": -421000000,
              "accn": "0000930413-10-004278",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2010-08-05"
            },
            {
              "start": "2010-01-01",
              "end": "2010-09-30",
              "val": -106000000,
              "accn": "0000930413-11-006765",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-10-21"
            },
            {
              "start": "2010-01-01",
              "end": "2010-09-30",
              "val": -106000000,
              "accn": "0000930413-10-005192",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-10-22"
            },
            {
              "start": "2010-07-01",
              "end": "2010-09-30",
              "val": 599000000,
              "accn": "0000930413-11-006765",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-10-21",
              "frame": "CY2010Q3"
            },
            {
              "start": "2010-07-01",
              "end": "2010-09-30",
              "val": 599000000,
              "accn": "0000930413-10-005192",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-10-22"
            },
            {
              "start": "2011-01-01",
              "end": "2011-03-31",
              "val": 391000000,
              "accn": "0000930413-11-002923",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-04-21",
              "frame": "CY2011Q1"
            },
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
              "val": 507000000,
              "accn": "0000930413-11-004879",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-07-22"
            },
            {
              "start": "2011-04-01",
              "end": "2011-06-30",
              "val": 116000000,
              "accn": "0000930413-11-004879",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-07-22",
              "frame": "CY2011Q2"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": 67000000,
              "accn": "0000930413-11-006765",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-10-21"
            },
            {
              "start": "2011-07-01",
              "end": "2011-09-30",
              "val": -440000000,
              "accn": "0000930413-11-006765",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-10-21",
              "frame": "CY2011Q3"
            }
          ]
        }
      },
      "OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax": {
        "label": "Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax (Deprecated 2012-01-31)",
        "description": "Tax effect of the adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.",
        "units": {
          "USD": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 0,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 0,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2009"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 0,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2010"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 0,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            }
          ]
        }
      },
      "OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax": {
        "label": "Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax",
        "description": "Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.",
        "units": {
          "USD": [
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": -1000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-09-30",
              "val": 5000000,
              "accn": "0000930413-13-004995",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-10-18"
            },
            {
              "start": "2012-07-01",
              "end": "2012-09-30",
              "val": 2000000,
              "accn": "0000930413-13-004995",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-10-18",
              "frame": "CY2012Q3"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 6000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 6000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-03-31",
              "val": 3000000,
              "accn": "0000930413-14-001831",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-04-17",
              "frame": "CY2013Q1"
            },
            {
              "start": "2013-01-01",
              "end": "2013-06-30",
              "val": 5000000,
              "accn": "0000930413-14-003256",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-07-18"
            },
            {
              "start": "2013-04-01",
              "end": "2013-06-30",
              "val": 2000000,
              "accn": "0000930413-14-003256",
              "fy": 2014,
              "fp": "Q2",
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              "frame": "CY2013Q2"
            },
            {
              "start": "2013-01-01",
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              "val": 5000000,
              "accn": "0000930413-13-004995",
              "fy": 2013,
              "fp": "Q3",
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              "filed": "2013-10-18"
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            {
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              "end": "2013-09-30",
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              "accn": "0000930413-14-004352",
              "fy": 2014,
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              "fy": 2014,
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              "filed": "2014-10-17",
              "frame": "CY2013Q3"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 5000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 5000000,
              "accn": "0000930413-15-000621",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13"
            },
            {
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              "end": "2013-12-31",
              "val": 5000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
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              "val": 0,
              "accn": "0000930413-14-001831",
              "fy": 2014,
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              "form": "10-Q",
              "filed": "2014-04-17"
            },
            {
              "start": "2014-01-01",
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              "val": 0,
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              "fy": 2015,
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              "filed": "2015-04-17",
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            },
            {
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              "end": "2014-06-30",
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              "fy": 2014,
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            },
            {
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              "form": "10-Q",
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            },
            {
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              "end": "2014-06-30",
              "val": 0,
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              "fy": 2015,
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              "form": "10-Q",
              "filed": "2015-07-17",
              "frame": "CY2014Q2"
            },
            {
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              "accn": "0000930413-14-004352",
              "fy": 2014,
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            {
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              "accn": "0000930413-15-004011",
              "fy": 2015,
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            },
            {
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              "accn": "0000930413-14-004352",
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            {
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              "val": 0,
              "accn": "0000930413-15-004011",
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            {
              "start": "2018-01-01",
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              "val": 123000000,
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              "filed": "2018-10-19"
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            {
              "start": "2018-01-01",
              "end": "2018-12-31",
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              "fy": 2018,
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              "filed": "2019-02-08"
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            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": -1165000000,
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              "filed": "2020-02-14",
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              "end": "2019-03-31",
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              "val": 69000000,
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              "filed": "2023-02-10",
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            {
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              "val": 221000000,
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              "val": -904000000,
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        "label": "Other Comprehensive Income (Loss), before Tax",
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            {
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              "val": -1034000000,
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            {
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              "frame": "CY2017"
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      "OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecrease": {
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            {
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            {
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              "accn": "0000773840-22-000071",
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              "end": "2012-06-30",
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              "end": "2012-06-30",
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              "end": "2014-12-31",
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              "end": "2011-09-30",
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            {
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              "end": "2011-09-30",
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              "accn": "0000930413-12-005805",
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              "end": "2011-09-30",
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              "accn": "0000930413-11-006765",
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              "fp": "Q3",
              "form": "10-Q",
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            },
            {
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              "end": "2011-09-30",
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              "accn": "0000930413-12-000976",
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            {
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              "form": "10-K",
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            },
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            },
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            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": -287000000,
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            {
              "start": "2009-01-01",
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            },
            {
              "start": "2010-01-01",
              "end": "2010-03-31",
              "val": -51000000,
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            {
              "start": "2010-01-01",
              "end": "2010-06-30",
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              "end": "2010-06-30",
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              "end": "2010-09-30",
              "val": -146000000,
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            {
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            {
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            },
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            {
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            {
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            {
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              "frame": "CY2013"
            },
            {
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            },
            {
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              "accn": "0000930413-14-003256",
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            },
            {
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              "val": 1000000,
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              "filed": "2014-10-17"
            },
            {
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              "end": "2014-09-30",
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              "accn": "0000930413-15-004011",
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            },
            {
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              "end": "2014-12-31",
              "val": 160000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
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              "filed": "2015-02-13"
            },
            {
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              "end": "2014-12-31",
              "val": 160000000,
              "accn": "0000930413-16-005457",
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              "filed": "2016-02-12"
            },
            {
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              "end": "2014-12-31",
              "val": 160000000,
              "accn": "0000930413-17-000391",
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              "filed": "2017-02-10",
              "frame": "CY2014"
            },
            {
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              "end": "2015-03-31",
              "val": 2000000,
              "accn": "0000930413-15-001806",
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            },
            {
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              "val": 2000000,
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            },
            {
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            {
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            {
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            {
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            },
            {
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              "accn": "0000930413-18-000292",
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              "filed": "2018-02-09",
              "frame": "CY2015"
            },
            {
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              "val": 0,
              "accn": "0000930413-16-006542",
              "fy": 2016,
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              "filed": "2016-04-22",
              "frame": "CY2016Q1"
            },
            {
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              "val": 0,
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              "fy": 2016,
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              "filed": "2016-07-22"
            },
            {
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              "val": 304000000,
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            },
            {
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              "end": "2016-09-30",
              "val": 304000000,
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            },
            {
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              "filed": "2017-02-10"
            },
            {
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              "filed": "2018-02-09"
            },
            {
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              "end": "2016-12-31",
              "val": 296000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08",
              "frame": "CY2016"
            },
            {
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              "val": 0,
              "accn": "0000930413-17-003588",
              "fy": 2017,
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              "filed": "2017-10-20"
            },
            {
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              "filed": "2018-02-09"
            },
            {
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              "accn": "0000930413-19-000366",
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              "filed": "2019-02-08",
              "frame": "CY2017"
            },
            {
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              "accn": "0000930413-19-000366",
              "fy": 2018,
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              "filed": "2019-02-08",
              "frame": "CY2018"
            },
            {
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              "val": 0,
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              "filed": "2022-02-11",
              "frame": "CY2019"
            },
            {
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              "filed": "2022-02-11"
            },
            {
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              "filed": "2023-02-10",
              "frame": "CY2020"
            },
            {
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              "end": "2021-03-31",
              "val": 230000000,
              "accn": "0000773840-21-000032",
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              "filed": "2021-04-23",
              "frame": "CY2021Q1"
            },
            {
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              "val": 230000000,
              "accn": "0000773840-21-000057",
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            },
            {
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              "val": 230000000,
              "accn": "0000773840-21-000065",
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              "filed": "2021-10-22"
            },
            {
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              "val": 203000000,
              "accn": "0000773840-22-000018",
              "fy": 2020,
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              "filed": "2022-02-11"
            },
            {
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              "val": 203000000,
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              "filed": "2023-02-10"
            },
            {
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              "val": 203000000,
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            },
            {
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              "frame": "CY2021"
            },
            {
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              "accn": "0000773840-23-000013",
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              "filed": "2023-02-10"
            },
            {
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              "fy": 2023,
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              "filed": "2024-02-16"
            },
            {
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              "form": "8-K",
              "filed": "2024-04-25"
            },
            {
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              "val": 0,
              "accn": "0000773840-25-000010",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-14",
              "frame": "CY2022"
            },
            {
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              "filed": "2024-02-16"
            },
            {
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            },
            {
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              "val": 4000000,
              "accn": "0000773840-25-000010",
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              "fp": "FY",
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              "filed": "2025-02-14"
            },
            {
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              "val": 4000000,
              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-17",
              "frame": "CY2023"
            },
            {
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              "val": 0,
              "accn": "0000773840-25-000064",
              "fy": 2025,
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              "filed": "2025-07-24"
            },
            {
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              "end": "2024-09-30",
              "val": 0,
              "accn": "0000773840-25-000105",
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              "filed": "2025-10-23"
            },
            {
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              "val": 0,
              "accn": "0000773840-25-000010",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-14"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 0,
              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-17",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
              "end": "2025-03-31",
              "val": 0,
              "accn": "0000773840-26-000057",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-23",
              "frame": "CY2025Q1"
            },
            {
              "start": "2025-01-01",
              "end": "2025-06-30",
              "val": 1157000000,
              "accn": "0000773840-25-000064",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-07-24"
            },
            {
              "start": "2025-01-01",
              "end": "2025-06-30",
              "val": 1157000000,
              "accn": "0000773840-26-000124",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-23"
            },
            {
              "start": "2025-01-01",
              "end": "2025-09-30",
              "val": 1157000000,
              "accn": "0000773840-25-000105",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-23"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": 1157000000,
              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-17",
              "frame": "CY2025"
            },
            {
              "start": "2026-01-01",
              "end": "2026-03-31",
              "val": 6000000,
              "accn": "0000773840-26-000057",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-23",
              "frame": "CY2026Q1"
            },
            {
              "start": "2026-01-01",
              "end": "2026-06-30",
              "val": 6000000,
              "accn": "0000773840-26-000124",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-23"
            }
          ]
        }
      },
      "ProceedsFromDivestitureOfBusinessesNetOfCashDivested": {
        "label": "Proceeds from Divestiture of Businesses, Net of Cash Divested",
        "description": "This element represents the cash inflow during the period from the sale of a component of the entity.",
        "units": {
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              "end": "2007-12-31",
              "val": 51000000,
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              "fp": "FY",
              "form": "10-K",
              "filed": "2010-02-12",
              "frame": "CY2007"
            },
            {
              "start": "2008-01-01",
              "end": "2008-09-30",
              "val": 921000000,
              "accn": "0000930413-09-005315",
              "fy": 2009,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2009-10-23"
            },
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 909000000,
              "accn": "0000930413-10-000784",
              "fy": 2009,
              "fp": "FY",
              "form": "10-K",
              "filed": "2010-02-12",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-09-30",
              "val": 1000000,
              "accn": "0000930413-09-005315",
              "fy": 2009,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2009-10-23"
            },
            {
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              "end": "2009-12-31",
              "val": 1000000,
              "accn": "0000930413-10-000784",
              "fy": 2009,
              "fp": "FY",
              "form": "10-K",
              "filed": "2010-02-12",
              "frame": "CY2009"
            }
          ]
        }
      },
      "ProceedsFromInsuranceSettlementOperatingActivities": {
        "label": "Proceeds from Insurance Settlement, Operating Activities",
        "description": "Amount of cash inflow for proceeds from settlement of insurance claim, classified as operating activities. Excludes insurance settlement classified as investing activities.",
        "units": {
          "USD": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 96000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 16000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2009"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 16000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 141000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2010"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 141000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 134000000,
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              "fy": 2014,
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            {
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      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number",
        "description": "The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.",
        "units": {
          "shares": [
            {
              "end": "2007-12-31",
              "val": 5856997,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2007Q4I"
            },
            {
              "end": "2008-12-31",
              "val": 6825717,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008Q4I"
            },
            {
              "end": "2009-12-31",
              "val": 8262777,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 9973953,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010Q4I"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value",
        "description": "Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.",
        "units": {
          "USD/shares": [
            {
              "end": "2007-12-31",
              "val": 42.18,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2007Q4I"
            },
            {
              "end": "2008-12-31",
              "val": 46.63,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008Q4I"
            },
            {
              "end": "2009-12-31",
              "val": 40.49,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 39.89,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010Q4I"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period",
        "description": "The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.",
        "units": {
          "shares": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": -694660,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": -1313975,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": -1593979,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value",
        "description": "The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.",
        "units": {
          "USD/shares": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 35.82,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 40.44,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 48.71,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate",
        "description": "The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.",
        "units": {
          "pure": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 0.0188,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 0.0426,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0.03,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31)",
        "description": "The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior.",
        "units": {
          "pure": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 5.2,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 5.8,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 5.4,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate",
        "description": "The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.",
        "units": {
          "pure": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 0.2635,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 0.3578,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0.2939,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate",
        "description": "The risk-free interest rate assumption that is used in valuing an option on its own shares.",
        "units": {
          "pure": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 0.0309,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 0.0253,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0.0264,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number",
        "description": "The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.",
        "units": {
          "shares": [
            {
              "end": "2010-12-31",
              "val": 24722493,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010Q4I"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price",
        "description": "The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.",
        "units": {
          "USD/shares": [
            {
              "end": "2010-12-31",
              "val": 39.43,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 45.76,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 49.4,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13"
            },
            {
              "end": "2014-12-31",
              "val": 49.4,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 55.11,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 63.39,
              "accn": "0000930413-17-000391",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 78.35,
              "accn": "0000930413-18-000292",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-09",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 83.42,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 92.19,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2019Q4I"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (Deprecated 2011-01-31)",
        "description": "The decrease in the number of reserved shares that could potentially be issued attributable to the exercise or conversion during the reporting period of previously issued stock options under the option plan.",
        "units": {
          "shares": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": -3577707,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": -645201,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": -5211526,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (Deprecated 2012-01-31)",
        "description": "The weighted average price at which option holders acquired shares when converting their stock options into shares under the plan during the reporting period.",
        "units": {
          "USD": [
            {
              "end": "2008-12-31",
              "val": 37.4,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008Q4I"
            },
            {
              "end": "2009-12-31",
              "val": 31.66,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 34.77,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010Q4I"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period",
        "description": "For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.",
        "units": {
          "shares": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": -1910960,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": -8537598,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": -2515266,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price",
        "description": "Weighted average price of options that were either forfeited or expired.",
        "units": {
          "USD/shares": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 49.16,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 53.9,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 44.14,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures",
        "description": "Net number of share options (or share units) granted during the period.",
        "units": {
          "shares": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 5024820,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 9159650,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 7607950,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (Deprecated 2012-01-31)",
        "description": "The weighted average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on stock options awarded under the plan during the reporting period.",
        "units": {
          "USD": [
            {
              "end": "2008-12-31",
              "val": 58.46,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008Q4I"
            },
            {
              "end": "2009-12-31",
              "val": 28.4,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 40.29,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2010Q4I"
            }
          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value",
        "description": "The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.",
        "units": {
          "USD/shares": [
            {
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            {
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        }
      },
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      },
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        }
      },
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        }
      },
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        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value",
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      },
      "ShortTermBankLoansAndNotesPayable": {
        "label": "Short-term Bank Loans and Notes Payable",
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              "fy": 2009,
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              "form": "10-Q/A",
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            },
            {
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              "filed": "2009-08-03",
              "frame": "CY2009Q2I"
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            {
              "end": "2009-09-30",
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              "accn": "0000930413-09-005315",
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              "form": "10-Q",
              "filed": "2009-10-23",
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              "frame": "CY2009Q4I"
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              "accn": "0000930413-10-005192",
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            },
            {
              "end": "2009-12-31",
              "val": 45000000,
              "accn": "0000930413-10-004278",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2010-08-05"
            },
            {
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              "accn": "0000930413-10-002069",
              "fy": 2010,
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              "fy": 2009,
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              "form": "10-K",
              "filed": "2010-02-12"
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              "accn": "0000930413-10-002069",
              "fy": 2010,
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              "form": "10-Q",
              "filed": "2010-04-23",
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              "accn": "0000930413-10-004278",
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              "frame": "CY2010Q2I"
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            {
              "end": "2010-09-30",
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              "accn": "0000930413-10-005192",
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              "form": "10-Q",
              "filed": "2010-10-22",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
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              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2010-12-31",
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              "accn": "0000930413-11-006765",
              "fy": 2011,
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              "form": "10-Q",
              "filed": "2011-10-21"
            },
            {
              "end": "2010-12-31",
              "val": 67000000,
              "accn": "0000930413-11-004879",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-07-22"
            },
            {
              "end": "2010-12-31",
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              "accn": "0000930413-11-002923",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-04-21"
            },
            {
              "end": "2010-12-31",
              "val": 67000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "end": "2011-03-31",
              "val": 59000000,
              "accn": "0000930413-11-002923",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-04-21",
              "frame": "CY2011Q1I"
            },
            {
              "end": "2011-06-30",
              "val": 68000000,
              "accn": "0000930413-11-004879",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-07-22",
              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
              "val": 60000000,
              "accn": "0000930413-11-006765",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-10-21",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
              "val": 60000000,
              "accn": "0000930413-12-003974",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-07-18",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 60000000,
              "accn": "0000930413-12-002323",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-04-20"
            },
            {
              "end": "2011-12-31",
              "val": 60000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17"
            },
            {
              "end": "2012-03-31",
              "val": 69000000,
              "accn": "0000930413-12-002323",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-04-20",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
              "val": 65000000,
              "accn": "0000930413-12-003974",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-07-18",
              "frame": "CY2012Q2I"
            }
          ]
        }
      },
      "ShortTermBorrowings": {
        "label": "Short-term Debt",
        "description": "Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.",
        "units": {
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              "end": "2011-12-31",
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              "accn": "0000930413-12-005805",
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            },
            {
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              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
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              "filed": "2013-02-15",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-09-30",
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              "accn": "0000930413-12-005805",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
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            },
            {
              "end": "2012-12-31",
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              "val": 17775000000,
              "accn": "0000773840-23-000085",
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            {
              "end": "2023-09-30",
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            {
              "end": "2023-12-31",
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              "accn": "0000773840-24-000014",
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            },
            {
              "end": "2023-12-31",
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            {
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              "fy": null,
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            {
              "end": "2023-12-31",
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            {
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            {
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            {
              "end": "2023-12-31",
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              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
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              "frame": "CY2023Q4I"
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            {
              "end": "2024-03-31",
              "val": 17045000000,
              "accn": "0000773840-24-000051",
              "fy": 2024,
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            },
            {
              "end": "2024-03-31",
              "val": 17045000000,
              "accn": "0000773840-25-000037",
              "fy": 2025,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2025-04-29",
              "frame": "CY2024Q1I"
            },
            {
              "end": "2024-06-30",
              "val": 17510000000,
              "accn": "0000773840-24-000082",
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              "form": "10-Q",
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            },
            {
              "end": "2024-06-30",
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              "accn": "0000773840-25-000064",
              "fy": 2025,
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              "frame": "CY2024Q2I"
            },
            {
              "end": "2024-09-30",
              "val": 17974000000,
              "accn": "0000773840-24-000099",
              "fy": 2024,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2024-10-24"
            },
            {
              "end": "2024-09-30",
              "val": 17974000000,
              "accn": "0000773840-25-000105",
              "fy": 2025,
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              "frame": "CY2024Q3I"
            },
            {
              "end": "2024-12-31",
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              "accn": "0000773840-25-000010",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-14"
            },
            {
              "end": "2024-12-31",
              "val": 19154000000,
              "accn": "0000773840-25-000037",
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            {
              "end": "2024-12-31",
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            {
              "end": "2024-12-31",
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            {
              "end": "2024-12-31",
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              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-03-31",
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              "filed": "2025-04-29"
            },
            {
              "end": "2025-03-31",
              "val": 18024000000,
              "accn": "0000773840-26-000057",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
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              "frame": "CY2025Q1I"
            },
            {
              "end": "2025-06-30",
              "val": 16647000000,
              "accn": "0000773840-25-000064",
              "fy": 2025,
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            },
            {
              "end": "2025-06-30",
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              "accn": "0000773840-26-000124",
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              "frame": "CY2025Q2I"
            },
            {
              "end": "2025-09-30",
              "val": 17747000000,
              "accn": "0000773840-25-000105",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
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              "frame": "CY2025Q3I"
            },
            {
              "end": "2025-12-31",
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              "accn": "0000773840-26-000013",
              "fy": 2025,
              "fp": "FY",
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              "filed": "2026-02-17"
            },
            {
              "end": "2025-12-31",
              "val": 15030000000,
              "accn": "0000773840-26-000057",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-23"
            },
            {
              "end": "2025-12-31",
              "val": 15030000000,
              "accn": "0000773840-26-000124",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-23",
              "frame": "CY2025Q4I"
            },
            {
              "end": "2026-03-31",
              "val": 14667000000,
              "accn": "0000773840-26-000057",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-23",
              "frame": "CY2026Q1I"
            },
            {
              "end": "2026-06-30",
              "val": 18857000000,
              "accn": "0000773840-26-000124",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
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              "frame": "CY2026Q2I"
            }
          ]
        }
      },
      "StockholdersEquityOther": {
        "label": "Stockholders' Equity, Other",
        "description": "This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy.",
        "units": {
          "USD": [
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 0,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 0,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            }
          ]
        }
      },
      "StockholdersEquityOtherShares": {
        "label": "Stockholders' Equity, Other Shares",
        "description": "Number of increase (decrease) in shares of stock classified as other.",
        "units": {
          "shares": [
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 0,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 0,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            }
          ]
        }
      },
      "StockIssuedDuringPeriodValueEmployeeBenefitPlan": {
        "label": "Stock Issued During Period, Value, Employee Benefit Plan",
        "description": "Value of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan.",
        "units": {
          "USD": [
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 0,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            }
          ]
        }
      },
      "StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan": {
        "label": "Stock Issued During Period, Value, Employee Stock Ownership Plan",
        "description": "Aggregate value of stock issued during the period as a result of employee stock ownership plan (ESOP).",
        "units": {
          "USD": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": 220000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 158000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2009"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 158000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 105000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15",
              "frame": "CY2010"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 105000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 105000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 138000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2011"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 138000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 138000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 144000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2012"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 144000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 159000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013"
            }
          ]
        }
      },
      "StockRepurchasedDuringPeriodShares": {
        "label": "Stock Repurchased During Period, Shares",
        "description": "Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.",
        "units": {
          "shares": [
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 20300000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            }
          ]
        }
      },
      "StockRepurchasedDuringPeriodValue": {
        "label": "Stock Repurchased During Period, Value",
        "description": "Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.",
        "units": {
          "USD": [
            {
              "start": "2008-01-01",
              "end": "2008-12-31",
              "val": -1459000000,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11",
              "frame": "CY2008"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 0,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2009"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 0,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2010-01-01",
              "end": "2010-03-31",
              "val": 0,
              "accn": "0000930413-11-002923",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-04-21",
              "frame": "CY2010Q1"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2010"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0,
              "accn": "0000930413-11-000961",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-02-11"
            },
            {
              "start": "2011-01-01",
              "end": "2011-03-31",
              "val": 0,
              "accn": "0000930413-11-002923",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-04-21",
              "frame": "CY2011Q1"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": -1085000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            }
          ]
        }
      },
      "StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount": {
        "label": "Stock Repurchase Program, Remaining Authorized Repurchase Amount (Deprecated 2014-01-31)",
        "description": "Amount remaining of a stock repurchase plan authorized by an entity's Board of Directors.",
        "units": {
          "USD": [
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 1900000000,
              "accn": "0000930413-12-000976",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 1600000000,
              "accn": "0000930413-13-000907",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-15",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 5000000000,
              "accn": "0000930413-14-000634",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-14",
              "frame": "CY2013"
            }
          ]
        }
      },
      "StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1": {
        "label": "Stock Repurchase Program, Remaining Authorized Repurchase Amount",
        "description": "Amount remaining of a stock repurchase plan authorized.",
        "units": {
          "USD": [
            {
              "end": "2013-12-31",
              "val": 5000000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 4100000000,
              "accn": "0000930413-15-000621",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-13"
            },
            {
              "end": "2014-12-31",
              "val": 4100000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 2200000000,
              "accn": "0000930413-16-005457",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-12",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 7700000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 3700000000,
              "accn": "0000930413-19-000366",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-08"
            },
            {
              "end": "2018-12-31",
              "val": 3700000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 7000000000,
              "accn": "0000773840-20-000009",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2023-03-31",
              "val": 2100000000,
              "accn": "0000773840-23-000038",
              "fy": 2023,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2023-04-27",
              "frame": "CY2023Q1I"
            },
            {
              "end": "2023-04-24",
              "val": 2100000000,
              "accn": "0000773840-24-000014",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-16"
            },
            {
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              "accn": "0000773840-26-000029",
              "fy": null,
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              "form": "DEF 14A",
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              "frame": "CY2025"
            }
          ]
        }
      }
    }
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}