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              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2016"
            }
          ]
        }
      },
      "BusinessCombinationAcquisitionRelatedCosts": {
        "label": "Business Combination, Acquisition Related Costs",
        "description": "This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.",
        "units": {
          "USD": [
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 1000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-09-30",
              "val": 14000000,
              "accn": "0001091667-14-000216",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-10-31"
            },
            {
              "start": "2013-07-01",
              "end": "2013-09-30",
              "val": 11000000,
              "accn": "0001091667-14-000216",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-10-31",
              "frame": "CY2013Q3"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 16000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 16000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
              "end": "2014-03-31",
              "val": 3000000,
              "accn": "0001091667-15-000103",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-05-01",
              "frame": "CY2014Q1"
            },
            {
              "start": "2014-01-01",
              "end": "2014-06-30",
              "val": 17000000,
              "accn": "0001091667-15-000185",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-08-04"
            },
            {
              "start": "2014-04-01",
              "end": "2014-06-30",
              "val": 14000000,
              "accn": "0001091667-15-000185",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-08-04",
              "frame": "CY2014Q2"
            },
            {
              "start": "2014-01-01",
              "end": "2014-09-30",
              "val": 29000000,
              "accn": "0001091667-14-000216",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-10-31"
            },
            {
              "start": "2014-01-01",
              "end": "2014-09-30",
              "val": 29000000,
              "accn": "0001091667-15-000263",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-10-29"
            },
            {
              "start": "2014-07-01",
              "end": "2014-09-30",
              "val": 12000000,
              "accn": "0001091667-14-000216",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-10-31"
            },
            {
              "start": "2014-07-01",
              "end": "2014-09-30",
              "val": 12000000,
              "accn": "0001091667-15-000263",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-10-29",
              "frame": "CY2014Q3"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 38000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 38000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-03-31",
              "val": 13000000,
              "accn": "0001091667-15-000103",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-05-01"
            },
            {
              "start": "2015-01-01",
              "end": "2015-03-31",
              "val": 13000000,
              "accn": "0001091667-16-000470",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-04-28",
              "frame": "CY2015Q1"
            },
            {
              "start": "2015-01-01",
              "end": "2015-06-30",
              "val": 32000000,
              "accn": "0001091667-15-000185",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-08-04"
            },
            {
              "start": "2015-04-01",
              "end": "2015-06-30",
              "val": 19000000,
              "accn": "0001091667-15-000185",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-08-04",
              "frame": "CY2015Q2"
            },
            {
              "start": "2015-01-01",
              "end": "2015-09-30",
              "val": 51000000,
              "accn": "0001091667-15-000263",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-10-29"
            },
            {
              "start": "2015-07-01",
              "end": "2015-09-30",
              "val": 19000000,
              "accn": "0001091667-15-000263",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-10-29",
              "frame": "CY2015Q3"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 70000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2015"
            },
            {
              "start": "2016-01-01",
              "end": "2016-03-31",
              "val": 14000000,
              "accn": "0001091667-16-000470",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-04-28",
              "frame": "CY2016Q1"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 0,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2023"
            },
            {
              "start": "2024-01-01",
              "end": "2024-09-30",
              "val": 0,
              "accn": "0001091667-25-000168",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-31"
            },
            {
              "start": "2024-07-01",
              "end": "2024-09-30",
              "val": 0,
              "accn": "0001091667-25-000168",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-31",
              "frame": "CY2024Q3"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 0,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
              "end": "2025-03-31",
              "val": 0,
              "accn": "0001091667-26-000028",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-24",
              "frame": "CY2025Q1"
            },
            {
              "start": "2025-01-01",
              "end": "2025-06-30",
              "val": 44000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24"
            },
            {
              "start": "2025-04-01",
              "end": "2025-06-30",
              "val": 43000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24",
              "frame": "CY2025Q2"
            },
            {
              "start": "2025-01-01",
              "end": "2025-09-30",
              "val": 65000000,
              "accn": "0001091667-25-000168",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-31"
            },
            {
              "start": "2025-07-01",
              "end": "2025-09-30",
              "val": 21000000,
              "accn": "0001091667-25-000168",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-31",
              "frame": "CY2025Q3"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": 129000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025"
            },
            {
              "start": "2026-01-01",
              "end": "2026-03-31",
              "val": 15000000,
              "accn": "0001091667-26-000028",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-24",
              "frame": "CY2026Q1"
            },
            {
              "start": "2026-01-01",
              "end": "2026-06-30",
              "val": 23000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24"
            },
            {
              "start": "2026-04-01",
              "end": "2026-06-30",
              "val": 8000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24",
              "frame": "CY2026Q2"
            }
          ]
        }
      },
      "CapitalLeaseObligations": {
        "label": "Capital Lease Obligations",
        "description": "Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2017-12-31",
              "val": 123000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 111000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDue": {
        "label": "Capital Leases, Future Minimum Payments Due",
        "description": "Amount of minimum lease payments for capital leases.",
        "units": {
          "USD": [
            {
              "end": "2018-12-31",
              "val": 111000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "end": "2018-12-31",
              "val": 111000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueCurrent": {
        "label": "Capital Leases, Future Minimum Payments Due, Next Twelve Months",
        "description": "Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2018-12-31",
              "val": 10000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "end": "2018-12-31",
              "val": 10000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueInFiveYears": {
        "label": "Capital Leases, Future Minimum Payments Due in Five Years",
        "description": "Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2018-12-31",
              "val": 10000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "end": "2018-12-31",
              "val": 10000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueInFourYears": {
        "label": "Capital Leases, Future Minimum Payments Due in Four Years",
        "description": "Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2018-12-31",
              "val": 9000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "end": "2018-12-31",
              "val": 9000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueInThreeYears": {
        "label": "Capital Leases, Future Minimum Payments Due in Three Years",
        "description": "Amount of minimum lease payments for capital leases 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": "2018-12-31",
              "val": 9000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "end": "2018-12-31",
              "val": 9000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueInTwoYears": {
        "label": "Capital Leases, Future Minimum Payments Due in Two Years",
        "description": "Amount of minimum lease payments for capital leases 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": "2018-12-31",
              "val": 9000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "end": "2018-12-31",
              "val": 9000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueThereafter": {
        "label": "Capital Leases, Future Minimum Payments Due Thereafter",
        "description": "Amount of minimum lease payments for capital leases 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": "2018-12-31",
              "val": 64000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "end": "2018-12-31",
              "val": 64000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "CashAndCashEquivalentsAtCarryingValue": {
        "label": "Cash and Cash Equivalents, at Carrying Value",
        "description": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.",
        "units": {
          "USD": [
            {
              "end": "2009-12-31",
              "val": 709000000,
              "accn": "0001091667-13-000020",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-06-30",
              "val": 166000000,
              "accn": "0001091667-11-000103",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-02",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-12-31",
              "val": 4000000,
              "accn": "0001091667-11-000085",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-03"
            },
            {
              "end": "2010-12-31",
              "val": 4000000,
              "accn": "0001091667-11-000103",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-02"
            },
            {
              "end": "2010-12-31",
              "val": 4000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02"
            },
            {
              "end": "2010-12-31",
              "val": 4000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01"
            },
            {
              "end": "2010-12-31",
              "val": 4000000,
              "accn": "0001091667-13-000020",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "end": "2010-12-31",
              "val": 4000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-03-31",
              "val": 26000000,
              "accn": "0001091667-11-000085",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-03",
              "frame": "CY2011Q1I"
            },
            {
              "end": "2011-06-30",
              "val": 166000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02",
              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
              "val": 5000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01"
            },
            {
              "end": "2011-09-30",
              "val": 2000000,
              "accn": "0001091667-13-000020",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
              "val": 2000000,
              "accn": "0001091667-12-000085",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-08"
            },
            {
              "end": "2011-12-31",
              "val": 2000000,
              "accn": "0001091667-12-000118",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-07"
            },
            {
              "end": "2011-12-31",
              "val": 2000000,
              "accn": "0001091667-12-000151",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-06"
            },
            {
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              "end": "2014-12-31",
              "val": 26000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 25000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-06-30",
              "val": 610000000,
              "accn": "0001091667-16-000549",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-09",
              "frame": "CY2016Q2I"
            },
            {
              "end": "2016-09-30",
              "val": 797000000,
              "accn": "0001091667-16-000576",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-03",
              "frame": "CY2016Q3I"
            },
            {
              "end": "2016-12-31",
              "val": 647000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 631000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 675000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 526000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 580000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 721000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 739000000,
              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 633000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 655000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 1072000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025Q4I"
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          ]
        }
      },
      "ContractualObligationDueInFourthYear": {
        "label": "Contractual Obligation, to be Paid, Year Four",
        "description": "Amount of contractual obligation 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).",
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              "val": 112000000,
              "accn": "0001091667-13-000020",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 258000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 37000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 40000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-06-30",
              "val": 672000000,
              "accn": "0001091667-16-000549",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-09",
              "frame": "CY2016Q2I"
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            {
              "end": "2016-09-30",
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              "accn": "0001091667-16-000576",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-03",
              "frame": "CY2016Q3I"
            },
            {
              "end": "2016-12-31",
              "val": 828000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 818000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 704000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 377000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
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              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 736000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 753000000,
              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 969000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 728000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 1046000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025Q4I"
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          ]
        }
      },
      "ContractualObligationDueInNextTwelveMonths": {
        "label": "Contractual Obligation, to be Paid, Year One",
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              "val": 685000000,
              "accn": "0001091667-13-000020",
              "fy": 2012,
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              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 797000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21",
              "frame": "CY2013Q4I"
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            {
              "end": "2014-12-31",
              "val": 605000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24",
              "frame": "CY2014Q4I"
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            {
              "end": "2015-12-31",
              "val": 713000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 1818000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 2306000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017Q4I"
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            {
              "end": "2018-12-31",
              "val": 2629000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 2752000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
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              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
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              "accn": "0001091667-22-000024",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
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              "accn": "0001091667-23-000024",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 3171000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 1995000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 4503000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025Q4I"
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          ]
        }
      },
      "ContractualObligationDueInSecondYear": {
        "label": "Contractual Obligation, to be Paid, Year Two",
        "description": "Amount of contractual obligation 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": [
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              "val": 240000000,
              "accn": "0001091667-13-000020",
              "fy": 2012,
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              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 288000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 311000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 304000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-06-30",
              "val": 1146000000,
              "accn": "0001091667-16-000549",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-09",
              "frame": "CY2016Q2I"
            },
            {
              "end": "2016-09-30",
              "val": 1314000000,
              "accn": "0001091667-16-000576",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-03",
              "frame": "CY2016Q3I"
            },
            {
              "end": "2016-12-31",
              "val": 1072000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 1305000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 2389000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 2635000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
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              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 1167000000,
              "accn": "0001091667-22-000024",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
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              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 1221000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 1344000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 3463000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025Q4I"
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          ]
        }
      },
      "ContractualObligationDueInThirdYear": {
        "label": "Contractual Obligation, to be Paid, Year Three",
        "description": "Amount of contractual obligation 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).",
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              "accn": "0001091667-13-000020",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 270000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 279000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 55000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-06-30",
              "val": 795000000,
              "accn": "0001091667-16-000549",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-09",
              "frame": "CY2016Q2I"
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            {
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              "accn": "0001091667-16-000576",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-03",
              "frame": "CY2016Q3I"
            },
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              "end": "2016-12-31",
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              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 1060000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 2850000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 448000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 812000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 857000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 820000000,
              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 1092000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
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              "filed": "2016-02-10"
            },
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              "form": "10-K",
              "filed": "2017-02-16",
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              "filed": "2017-02-16"
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              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2016Q4I"
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              "form": "10-K",
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              "form": "10-K",
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              "form": "10-K",
              "filed": "2020-01-31"
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              "filed": "2021-01-29"
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              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2020Q4I"
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              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28"
            },
            {
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              "accn": "0001091667-23-000024",
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              "fp": "FY",
              "form": "10-K",
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              "frame": "CY2022Q4I"
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              "form": "10-K",
              "filed": "2024-02-02"
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              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31",
              "frame": "CY2023Q4I"
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              "form": "10-K",
              "filed": "2025-01-31"
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              "form": "10-K",
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              "filed": "2026-01-30",
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              "filed": "2017-02-16",
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              "filed": "2017-02-16"
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              "filed": "2018-02-02"
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              "form": "10-K",
              "filed": "2019-01-31"
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              "filed": "2022-01-28",
              "frame": "CY2020Q4I"
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              "accn": "0001091667-22-000024",
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            },
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              "form": "10-K",
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            },
            {
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            },
            {
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              "filed": "2017-07-27",
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              "filed": "2019-01-31",
              "frame": "CY2016"
            },
            {
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              "end": "2017-06-30",
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              "accn": "0001091667-17-000095",
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              "filed": "2023-01-27"
            },
            {
              "end": "2021-12-31",
              "val": 3374000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 2243000000,
              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27"
            },
            {
              "end": "2022-12-31",
              "val": 2243000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02"
            },
            {
              "end": "2022-12-31",
              "val": 2243000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 2426000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02"
            },
            {
              "end": "2023-12-31",
              "val": 2426000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31"
            },
            {
              "end": "2023-12-31",
              "val": 2426000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 2206000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31"
            },
            {
              "end": "2024-12-31",
              "val": 2206000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 17000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "DefinedBenefitPlanBenefitObligationBenefitsPaid": {
        "label": "Defined Benefit Plan, Benefit Obligation, Benefits Paid",
        "description": "Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.",
        "units": {
          "USD": [
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 45000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 49000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 49000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 51000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 51000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2019"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 53000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 53000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2020"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 55000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 55000000,
              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27",
              "frame": "CY2021"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": 56000000,
              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": 56000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02",
              "frame": "CY2022"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 59000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 59000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31",
              "frame": "CY2023"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 60000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 60000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": 59000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025"
            }
          ]
        }
      },
      "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": "2016-01-01",
              "end": "2016-12-31",
              "val": 98000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 98000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 45000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017"
            }
          ]
        }
      },
      "DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation": {
        "label": "Defined Benefit Plan, Benefit Obligation, Business Combination",
        "description": "Amount of increase in benefit obligation of defined benefit plan from business combination.",
        "units": {
          "USD": [
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 4009000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 4009000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 0,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017"
            }
          ]
        }
      },
      "DefinedBenefitPlanBusinessCombinationsAndAcquisitionsPlanAssets": {
        "label": "Defined Benefit Plan, Plan Assets, Business Combination",
        "description": "Amount of increase in plan assets of defined benefit plan from business combination.",
        "units": {
          "USD": [
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 2877000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 2877000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 0,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017"
            }
          ]
        }
      },
      "DefinedBenefitPlanContributionsByEmployer": {
        "label": "Defined Benefit Plan, Plan Assets, Contributions by Employer",
        "description": "Amount of contribution received by defined benefit plan from employer which increases plan assets.",
        "units": {
          "USD": [
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 5000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 5000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 18000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 18000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 6000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 6000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 4000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 4000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2019"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 3000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 3000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2020"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 4000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 4000000,
              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27",
              "frame": "CY2021"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": 3000000,
              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": 3000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02",
              "frame": "CY2022"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 2000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 2000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31",
              "frame": "CY2023"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 3000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 3000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": 3000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025"
            }
          ]
        }
      },
      "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": "2016-01-01",
              "end": "2016-12-31",
              "val": 675000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 675000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 0,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017"
            }
          ]
        }
      },
      "DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter": {
        "label": "Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years",
        "description": "Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.",
        "units": {
          "USD": [
            {
              "end": "2016-12-31",
              "val": 911000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 944000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 866000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 929000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 929000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 843000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 746000000,
              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 753000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 741000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31",
              "frame": "CY2024Q4I"
            }
          ]
        }
      },
      "DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths": {
        "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year One",
        "description": "Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.",
        "units": {
          "USD": [
            {
              "end": "2016-12-31",
              "val": 170000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16",
              "frame": "CY2016Q4I"
            },
            {
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              "val": 186000000,
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              "end": "2016-09-30",
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-10-26",
              "frame": "CY2016Q3"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 675000000,
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              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 675000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 675000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
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              "filed": "2019-01-31",
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            },
            {
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              "val": 0,
              "accn": "0001091667-17-000095",
              "fy": 2017,
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            },
            {
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              "val": 0,
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              "fy": 2017,
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              "filed": "2017-07-27",
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              "frame": "CY2017Q3"
            },
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            },
            {
              "start": "2017-01-01",
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              "val": 0,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 0,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2018"
            }
          ]
        }
      },
      "DefinedBenefitPlanServiceCost": {
        "label": "Defined Benefit Plan, Service Cost",
        "description": "Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.",
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              "val": 35000000,
              "accn": "0001091667-16-000549",
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              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-09"
            },
            {
              "start": "2016-01-01",
              "end": "2016-06-30",
              "val": 35000000,
              "accn": "0001091667-17-000095",
              "fy": 2017,
              "fp": "Q2",
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              "end": "2016-06-30",
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              "val": 35000000,
              "accn": "0001091667-17-000095",
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              "filed": "2017-07-27",
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              "val": 86000000,
              "accn": "0001091667-16-000576",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-03"
            },
            {
              "start": "2016-01-01",
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              "val": 86000000,
              "accn": "0001091667-17-000105",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-10-26"
            },
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              "end": "2016-09-30",
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              "accn": "0001091667-16-000576",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
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              "form": "10-Q",
              "filed": "2017-10-26",
              "frame": "CY2016Q3"
            },
            {
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              "end": "2016-12-31",
              "val": 86000000,
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              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16"
            },
            {
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              "val": 86000000,
              "accn": "0001091667-18-000025",
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              "filed": "2018-02-02"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 86000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
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              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2016"
            },
            {
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              "val": 0,
              "accn": "0001091667-17-000095",
              "fy": 2017,
              "fp": "Q2",
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            {
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              "fy": 2017,
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              "form": "10-Q",
              "filed": "2017-07-27",
              "frame": "CY2017Q2"
            },
            {
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              "end": "2017-09-30",
              "val": 0,
              "accn": "0001091667-17-000105",
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              "form": "10-Q",
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            },
            {
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              "filed": "2017-10-26",
              "frame": "CY2017Q3"
            },
            {
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            },
            {
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          ]
        }
      },
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              "end": "2016-12-31",
              "val": 0,
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              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2016"
            },
            {
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              "end": "2017-12-31",
              "val": 185000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
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              "form": "10-K",
              "filed": "2018-02-02"
            },
            {
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            },
            {
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              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31"
            },
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            },
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              "filed": "2020-01-31"
            },
            {
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              "filed": "2021-01-29",
              "frame": "CY2019"
            },
            {
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              "val": 166000000,
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            },
            {
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              "end": "2020-12-31",
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              "fy": 2021,
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            },
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              "accn": "0001091667-22-000024",
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              "filed": "2022-01-28"
            },
            {
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              "accn": "0001091667-23-000024",
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              "form": "10-K",
              "filed": "2023-01-27",
              "frame": "CY2021"
            },
            {
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              "end": "2022-12-31",
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              "accn": "0001091667-23-000024",
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              "form": "10-K",
              "filed": "2023-01-27"
            },
            {
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              "val": 146000000,
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              "frame": "CY2022"
            },
            {
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              "filed": "2024-02-02"
            },
            {
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              "frame": "CY2023"
            },
            {
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              "end": "2024-12-31",
              "val": 127000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
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            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 127000000,
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            {
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          ]
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      },
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        "label": "Defined Benefit Plan, Plan Assets, Payment for Settlement",
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              "frame": "CY2016"
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              "val": 185000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
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              "form": "10-K",
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            },
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              "form": "10-K",
              "filed": "2020-01-31"
            },
            {
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              "end": "2019-12-31",
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              "accn": "0001091667-21-000022",
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              "fp": "FY",
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              "filed": "2021-01-29",
              "frame": "CY2019"
            },
            {
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            },
            {
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              "end": "2020-12-31",
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              "fy": 2021,
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              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2020"
            },
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              "form": "10-K",
              "filed": "2022-01-28"
            },
            {
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              "val": 173000000,
              "accn": "0001091667-23-000024",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27",
              "frame": "CY2021"
            },
            {
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              "end": "2022-12-31",
              "val": 146000000,
              "accn": "0001091667-23-000024",
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              "filed": "2023-01-27"
            },
            {
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              "form": "10-K",
              "filed": "2024-02-02",
              "frame": "CY2022"
            },
            {
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              "filed": "2024-02-02"
            },
            {
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              "frame": "CY2023"
            },
            {
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              "end": "2024-12-31",
              "val": 127000000,
              "accn": "0001091667-25-000034",
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              "fp": "FY",
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              "filed": "2025-01-31"
            },
            {
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              "end": "2024-12-31",
              "val": 127000000,
              "accn": "0001091667-26-000017",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2024"
            },
            {
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              "end": "2025-12-31",
              "val": 924000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025"
            }
          ]
        }
      },
      "DefinedContributionPlanEmployerDiscretionaryContributionAmount": {
        "label": "Defined Contribution Plan, Employer Discretionary Contribution Amount",
        "description": "Amount of discretionary contributions made by an employer to a defined contribution plan.",
        "units": {
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              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2010"
            },
            {
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              "val": 6000000,
              "accn": "0001091667-13-000020",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 6000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 8000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21"
            },
            {
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              "end": "2012-12-31",
              "val": 8000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24",
              "frame": "CY2012"
            },
            {
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              "end": "2013-12-31",
              "val": 16000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
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              "val": 58000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26"
            },
            {
              "start": "2018-04-01",
              "end": "2018-06-30",
              "val": 39000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2018Q2"
            },
            {
              "start": "2018-01-01",
              "end": "2018-09-30",
              "val": 58000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 58000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 58000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-03-31",
              "val": 110000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30"
            },
            {
              "start": "2019-01-01",
              "end": "2019-03-31",
              "val": 110000000,
              "accn": "0001091667-20-000105",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-05-01",
              "frame": "CY2019Q1"
            },
            {
              "start": "2019-01-01",
              "end": "2019-06-30",
              "val": 121000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26"
            },
            {
              "start": "2019-01-01",
              "end": "2019-06-30",
              "val": 121000000,
              "accn": "0001091667-20-000158",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-07-31"
            },
            {
              "start": "2019-04-01",
              "end": "2019-06-30",
              "val": 11000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26"
            },
            {
              "start": "2019-04-01",
              "end": "2019-06-30",
              "val": 11000000,
              "accn": "0001091667-20-000158",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-07-31",
              "frame": "CY2019Q2"
            },
            {
              "start": "2019-01-01",
              "end": "2019-09-30",
              "val": 121000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "start": "2019-01-01",
              "end": "2019-09-30",
              "val": 121000000,
              "accn": "0001091667-20-000195",
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              "fp": "Q3",
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              "filed": "2020-10-30"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 121000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 121000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 121000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2019"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 10000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 10000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2020"
            },
            {
              "start": "2021-01-01",
              "end": "2021-06-30",
              "val": 165000000,
              "accn": "0001091667-22-000090",
              "fy": 2022,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2022-07-29"
            },
            {
              "start": "2021-04-01",
              "end": "2021-06-30",
              "val": 165000000,
              "accn": "0001091667-21-000134",
              "fy": 2021,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2021-07-30"
            },
            {
              "start": "2021-04-01",
              "end": "2021-06-30",
              "val": 165000000,
              "accn": "0001091667-22-000090",
              "fy": 2022,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2022-07-29",
              "frame": "CY2021Q2"
            },
            {
              "start": "2021-01-01",
              "end": "2021-09-30",
              "val": 165000000,
              "accn": "0001091667-21-000163",
              "fy": 2021,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2021-10-29"
            },
            {
              "start": "2021-01-01",
              "end": "2021-09-30",
              "val": 165000000,
              "accn": "0001091667-22-000115",
              "fy": 2022,
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              "filed": "2022-10-28"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 165000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2021"
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          ]
        }
      },
      "EquityMethodInvestmentOwnershipPercentage": {
        "label": "Equity Method Investment, Ownership Percentage",
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            {
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              "end": "2013-03-31",
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            {
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        "label": "Equity Method Investments",
        "description": "This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.",
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              "frame": "CY2017Q4I"
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              "end": "2018-12-31",
              "val": 454000000,
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              "fy": 2018,
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              "filed": "2019-01-31"
            },
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              "end": "2018-12-31",
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              "fy": 2019,
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              "fy": 2020,
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              "fy": 2020,
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              "filed": "2022-01-28"
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              "fp": "FY",
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              "frame": "CY2021Q4I"
            },
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              "accn": "0001091667-22-000090",
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              "fp": "Q2",
              "form": "10-Q",
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              "frame": "CY2022Q2I"
            },
            {
              "end": "2022-09-30",
              "val": 981000000,
              "accn": "0001091667-22-000115",
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              "fp": "Q3",
              "form": "10-Q",
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              "frame": "CY2022Q3I"
            },
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              "end": "2022-12-31",
              "val": 991000000,
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            },
            {
              "end": "2022-12-31",
              "val": 991000000,
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              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02",
              "frame": "CY2022Q4I"
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              "accn": "0001091667-24-000028",
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            {
              "end": "2023-12-31",
              "val": 684000000,
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              "fp": "FY",
              "form": "10-K",
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              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 376000000,
              "accn": "0001091667-25-000034",
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              "fp": "FY",
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              "filed": "2025-01-31"
            },
            {
              "end": "2024-12-31",
              "val": 376000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 503000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple": {
        "label": "Fair Value Inputs, Earnings before Interest, Taxes, Depreciation, and Amortization Multiple (Deprecated 2018-01-31)",
        "description": "Market valuation of entity divided by earnings before interest, taxes, depreciation, and amortization (EBITDA), used as an input to measure fair value.",
        "units": {
          "pure": [
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              "start": "2014-01-01",
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              "val": 7.125,
              "accn": "0001091667-14-000103",
              "fy": 2014,
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              "form": "10-Q",
              "filed": "2014-04-30",
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            }
          ]
        }
      },
      "FinanceLeaseInterestExpense": {
        "label": "Finance Lease, Interest Expense",
        "description": "Amount of interest expense on finance lease liability.",
        "units": {
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              "end": "2019-03-31",
              "val": 1000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1"
            },
            {
              "start": "2019-01-01",
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              "val": 3000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
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              "form": "10-Q",
              "filed": "2019-07-26"
            },
            {
              "start": "2019-04-01",
              "end": "2019-06-30",
              "val": 2000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2019Q2"
            },
            {
              "start": "2019-01-01",
              "end": "2019-09-30",
              "val": 4000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
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              "val": 1000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
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              "filed": "2019-10-25",
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            },
            {
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              "end": "2019-12-31",
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              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019"
            }
          ]
        }
      },
      "FinanceLeaseLiability": {
        "label": "Finance Lease, Liability",
        "description": "Present value of lessee's discounted obligation for lease payments from finance lease.",
        "units": {
          "USD": [
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              "val": 104000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
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              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
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              "accn": "0001091667-19-000097",
              "fy": 2019,
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              "filed": "2019-07-26",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 58000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 62000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
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              "filed": "2020-01-31"
            },
            {
              "end": "2019-12-31",
              "val": 62000000,
              "accn": "0001091667-20-000105",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-05-01"
            },
            {
              "end": "2019-12-31",
              "val": 62000000,
              "accn": "0001091667-20-000158",
              "fy": 2020,
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              "filed": "2020-07-31"
            },
            {
              "end": "2019-12-31",
              "val": 62000000,
              "accn": "0001091667-20-000195",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-30"
            },
            {
              "end": "2019-12-31",
              "val": 62000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-03-31",
              "val": 60000000,
              "accn": "0001091667-20-000105",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-05-01",
              "frame": "CY2020Q1I"
            },
            {
              "end": "2020-06-30",
              "val": 61000000,
              "accn": "0001091667-20-000158",
              "fy": 2020,
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              "frame": "CY2020Q2I"
            },
            {
              "end": "2020-09-30",
              "val": 61000000,
              "accn": "0001091667-20-000195",
              "fy": 2020,
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              "filed": "2020-10-30",
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            },
            {
              "end": "2020-12-31",
              "val": 63000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
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              "filed": "2021-01-29"
            },
            {
              "end": "2020-12-31",
              "val": 63000000,
              "accn": "0001091667-21-000084",
              "fy": 2021,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2021-04-30"
            },
            {
              "end": "2020-12-31",
              "val": 63000000,
              "accn": "0001091667-21-000134",
              "fy": 2021,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2021-07-30"
            },
            {
              "end": "2020-12-31",
              "val": 63000000,
              "accn": "0001091667-21-000163",
              "fy": 2021,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2021-10-29"
            },
            {
              "end": "2020-12-31",
              "val": 63000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-03-31",
              "val": 64000000,
              "accn": "0001091667-21-000084",
              "fy": 2021,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2021-04-30",
              "frame": "CY2021Q1I"
            },
            {
              "end": "2021-06-30",
              "val": 64000000,
              "accn": "0001091667-21-000134",
              "fy": 2021,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2021-07-30",
              "frame": "CY2021Q2I"
            },
            {
              "end": "2021-09-30",
              "val": 63000000,
              "accn": "0001091667-21-000163",
              "fy": 2021,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2021-10-29",
              "frame": "CY2021Q3I"
            },
            {
              "end": "2021-12-31",
              "val": 64000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2021Q4I"
            }
          ]
        }
      },
      "FinanceLeaseLiabilityCurrent": {
        "label": "Finance Lease, Liability, Current",
        "description": "Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.",
        "units": {
          "USD": [
            {
              "end": "2019-03-31",
              "val": 6000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 6000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 7000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 4000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            }
          ]
        }
      },
      "FinanceLeaseLiabilityNoncurrent": {
        "label": "Finance Lease, Liability, Noncurrent",
        "description": "Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.",
        "units": {
          "USD": [
            {
              "end": "2019-03-31",
              "val": 98000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 97000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 51000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 58000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            }
          ]
        }
      },
      "FinanceLeaseLiabilityPaymentsDueAfterYearFive": {
        "label": "Finance Lease, Liability, to be Paid, after Year Five",
        "description": "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after 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": "2018-12-31",
              "val": 64000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30"
            },
            {
              "end": "2018-12-31",
              "val": 64000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-03-31",
              "val": 95000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 95000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 59000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 64000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            }
          ]
        }
      },
      "FinanceLeaseLiabilityPaymentsDueNextTwelveMonths": {
        "label": "Finance Lease, Liability, to be Paid, Year One",
        "description": "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "units": {
          "USD": [
            {
              "end": "2019-12-31",
              "val": 7000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            }
          ]
        }
      },
      "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": "2018-12-31",
              "val": 10000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30"
            },
            {
              "end": "2018-12-31",
              "val": 10000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-03-31",
              "val": 12000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 12000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 5000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 6000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            }
          ]
        }
      },
      "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": "2018-12-31",
              "val": 9000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30"
            },
            {
              "end": "2018-12-31",
              "val": 9000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-03-31",
              "val": 12000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 12000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 6000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 6000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            }
          ]
        }
      },
      "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": "2018-12-31",
              "val": 9000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30"
            },
            {
              "end": "2018-12-31",
              "val": 9000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-03-31",
              "val": 12000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 12000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 6000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 6000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            }
          ]
        }
      },
      "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": "2018-12-31",
              "val": 9000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30"
            },
            {
              "end": "2018-12-31",
              "val": 9000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-03-31",
              "val": 11000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 11000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 6000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 6000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            }
          ]
        }
      },
      "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": [
            {
              "end": "2018-12-31",
              "val": 10000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30"
            },
            {
              "end": "2018-12-31",
              "val": 10000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-03-31",
              "val": 8000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 5000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 1000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3I"
            }
          ]
        }
      },
      "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": "2018-12-31",
              "val": 111000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30"
            },
            {
              "end": "2018-12-31",
              "val": 111000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-03-31",
              "val": 150000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 147000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 83000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 95000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            }
          ]
        }
      },
      "FinanceLeaseRightOfUseAsset": {
        "label": "Finance Lease, Right-of-Use Asset, after Accumulated Amortization",
        "description": "Amount, after accumulated amortization, of right-of-use asset from finance lease.",
        "units": {
          "USD": [
            {
              "end": "2019-03-31",
              "val": 204000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 202000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 165000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 172000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019Q4I"
            }
          ]
        }
      },
      "FinanceLeaseRightOfUseAssetAmortization": {
        "label": "Finance Lease, Right-of-Use Asset, Amortization",
        "description": "Amount of amortization expense attributable to right-of-use asset from finance lease.",
        "units": {
          "USD": [
            {
              "start": "2019-01-01",
              "end": "2019-03-31",
              "val": 20000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1"
            },
            {
              "start": "2019-01-01",
              "end": "2019-06-30",
              "val": 7000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26"
            },
            {
              "start": "2019-04-01",
              "end": "2019-06-30",
              "val": 3000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2019Q2"
            },
            {
              "start": "2019-01-01",
              "end": "2019-09-30",
              "val": 10000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "start": "2019-07-01",
              "end": "2019-09-30",
              "val": 3000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 12000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019"
            }
          ]
        }
      },
      "FinanceLeaseWeightedAverageDiscountRatePercent": {
        "label": "Finance Lease, Weighted Average Discount Rate, Percent",
        "description": "Weighted average discount rate for finance lease calculated at point in time.",
        "units": {
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-31",
              "frame": "CY2024Q3"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 30000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 30000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
              "end": "2025-03-31",
              "val": -52000000,
              "accn": "0001091667-25-000099",
              "fy": 2025,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2025-04-25"
            },
            {
              "start": "2025-01-01",
              "end": "2025-03-31",
              "val": -52000000,
              "accn": "0001091667-26-000028",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-24",
              "frame": "CY2025Q1"
            },
            {
              "start": "2025-01-01",
              "end": "2025-06-30",
              "val": -156000000,
              "accn": "0001091667-25-000127",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-07-25"
            },
            {
              "start": "2025-01-01",
              "end": "2025-06-30",
              "val": -156000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24"
            },
            {
              "start": "2025-04-01",
              "end": "2025-06-30",
              "val": -104000000,
              "accn": "0001091667-25-000127",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-07-25"
            },
            {
              "start": "2025-04-01",
              "end": "2025-06-30",
              "val": -104000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24",
              "frame": "CY2025Q2"
            },
            {
              "start": "2025-01-01",
              "end": "2025-09-30",
              "val": -119000000,
              "accn": "0001091667-25-000168",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-31"
            },
            {
              "start": "2025-07-01",
              "end": "2025-09-30",
              "val": 37000000,
              "accn": "0001091667-25-000168",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-31",
              "frame": "CY2025Q3"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": -123000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025"
            },
            {
              "start": "2026-01-01",
              "end": "2026-03-31",
              "val": 31000000,
              "accn": "0001091667-26-000028",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-24",
              "frame": "CY2026Q1"
            },
            {
              "start": "2026-01-01",
              "end": "2026-06-30",
              "val": 27000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24"
            },
            {
              "start": "2026-04-01",
              "end": "2026-06-30",
              "val": -4000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24",
              "frame": "CY2026Q2"
            }
          ]
        }
      },
      "FranchiseCosts": {
        "label": "Franchise Costs (Deprecated 2018-01-31)",
        "description": "Costs incurred and are directly related to generating franchise revenues.",
        "units": {
          "USD": [
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 178000000,
              "accn": "0001091667-13-000020",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 174000000,
              "accn": "0001091667-13-000020",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 174000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 176000000,
              "accn": "0001091667-13-000020",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 176000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 176000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 190000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 190000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 190000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 208000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 208000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 212000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2015"
            }
          ]
        }
      },
      "FreshStartAdjustmentIncreaseDecreaseLongTermDebt": {
        "label": "Fresh-Start Adjustment, Increase (Decrease), Long-term Debt",
        "description": "Total fresh-start adjustment to long-term debt.",
        "units": {
          "USD": [
            {
              "end": "2009-11-30",
              "val": -502000000,
              "accn": "0001091667-12-000026",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-27",
              "frame": "CY2009Q4I"
            }
          ]
        }
      },
      "FreshStartAdjustmentIncreaseDecreasePropertyAndEquipmentNet": {
        "label": "Fresh-Start Adjustment, Increase (Decrease), Property and Equipment, Net",
        "description": "Total fresh-start adjustment to property and equipment, net.",
        "units": {
          "USD": [
            {
              "end": "2009-11-30",
              "val": 2000000000,
              "accn": "0001091667-12-000026",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-27",
              "frame": "CY2009Q4I"
            }
          ]
        }
      },
      "FreshStartAdjustmentIncreaseDecreaseStockholdersEquity": {
        "label": "Fresh-Start Adjustment, Increase (Decrease), Stockholders' Equity",
        "description": "Total fresh-start adjustment to stockholders' equity.",
        "units": {
          "USD": [
            {
              "end": "2009-11-30",
              "val": 6000000000,
              "accn": "0001091667-12-000026",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-27",
              "frame": "CY2009Q4I"
            }
          ]
        }
      },
      "FutureAmortizationExpenseAfterYearFive": {
        "label": "Future Amortization Expense, after Year Five (Deprecated 2012-01-31)",
        "description": "The amount of amortization expense expected to be recognized for the remainder of the finite-lived intangible asset useful life after the fifth succeeding fiscal year.",
        "units": {
          "USD": [
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
              "val": 566000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": 570000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 572000000,
              "accn": "0001091667-12-000026",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-27",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 575000000,
              "accn": "0001091667-12-000085",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-08",
              "frame": "CY2012Q1"
            }
          ]
        }
      },
      "FutureAmortizationExpenseRemainderOfFiscalYear": {
        "label": "Future Amortization Expense, Remainder of Fiscal Year (Deprecated 2012-01-31)",
        "description": "The amount of amortization expense expected to be recognized during the remainder of the current fiscal year.",
        "units": {
          "USD": [
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
              "val": 156000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": 78000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01"
            }
          ]
        }
      },
      "FutureAmortizationExpenseYearFive": {
        "label": "Future Amortization Expense, Year Five (Deprecated 2012-01-31)",
        "description": "The amount of amortization expense expected to be recognized during year five of the five succeeding fiscal years.",
        "units": {
          "USD": [
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
              "val": 183000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": 185000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 186000000,
              "accn": "0001091667-12-000026",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-27",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 187000000,
              "accn": "0001091667-12-000085",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-08",
              "frame": "CY2012Q1"
            }
          ]
        }
      },
      "FutureAmortizationExpenseYearFour": {
        "label": "Future Amortization Expense, Year Four (Deprecated 2012-01-31)",
        "description": "The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years.",
        "units": {
          "USD": [
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
              "val": 210000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": 212000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 213000000,
              "accn": "0001091667-12-000026",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-27",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 213000000,
              "accn": "0001091667-12-000085",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-08",
              "frame": "CY2012Q1"
            }
          ]
        }
      },
      "FutureAmortizationExpenseYearOne": {
        "label": "Future Amortization Expense, Year One (Deprecated 2012-01-31)",
        "description": "The amount of amortization expense expected to be recognized during year one of the five succeeding fiscal years.",
        "units": {
          "USD": [
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
              "val": 289000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": 291000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 292000000,
              "accn": "0001091667-12-000026",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-27",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 219000000,
              "accn": "0001091667-12-000085",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-08",
              "frame": "CY2012Q1"
            }
          ]
        }
      },
      "FutureAmortizationExpenseYearThree": {
        "label": "Future Amortization Expense, Year Three (Deprecated 2012-01-31)",
        "description": "The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years.",
        "units": {
          "USD": [
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
              "val": 236000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": 238000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 239000000,
              "accn": "0001091667-12-000026",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-27",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 240000000,
              "accn": "0001091667-12-000085",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-08",
              "frame": "CY2012Q1"
            }
          ]
        }
      },
      "FutureAmortizationExpenseYearTwo": {
        "label": "Future Amortization Expense, Year Two (Deprecated 2012-01-31)",
        "description": "The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years.",
        "units": {
          "USD": [
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
              "val": 262000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": 264000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 265000000,
              "accn": "0001091667-12-000026",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-27",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 266000000,
              "accn": "0001091667-12-000085",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-08",
              "frame": "CY2012Q1"
            }
          ]
        }
      },
      "GainLossOnDerivativeInstrumentsNetPretax": {
        "label": "Gain (Loss) on Derivative Instruments, Net, Pretax",
        "description": "Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.",
        "units": {
          "USD": [
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 0,
              "accn": "0001091667-13-000088",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-07",
              "frame": "CY2012Q1"
            },
            {
              "start": "2013-01-01",
              "end": "2013-03-31",
              "val": -3000000,
              "accn": "0001091667-13-000088",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-07",
              "frame": "CY2013Q1"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 89000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-06-30",
              "val": -32000000,
              "accn": "0001091667-18-000090",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-31"
            },
            {
              "start": "2017-04-01",
              "end": "2017-06-30",
              "val": -70000000,
              "accn": "0001091667-18-000090",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-31",
              "frame": "CY2017Q2"
            },
            {
              "start": "2017-01-01",
              "end": "2017-09-30",
              "val": -15000000,
              "accn": "0001091667-18-000103",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-26"
            },
            {
              "start": "2017-07-01",
              "end": "2017-09-30",
              "val": 17000000,
              "accn": "0001091667-18-000103",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-26",
              "frame": "CY2017Q3"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 69000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 69000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2017"
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              "accn": "0001091667-24-000085",
              "fy": 2024,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2024-04-26",
              "frame": "CY2023Q1"
            },
            {
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              "end": "2023-06-30",
              "val": 48000000,
              "accn": "0001091667-23-000108",
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              "fp": "Q2",
              "form": "10-Q",
              "filed": "2023-07-28"
            },
            {
              "start": "2023-01-01",
              "end": "2023-06-30",
              "val": 48000000,
              "accn": "0001091667-24-000104",
              "fy": 2024,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2024-07-26"
            },
            {
              "start": "2023-04-01",
              "end": "2023-06-30",
              "val": 43000000,
              "accn": "0001091667-23-000108",
              "fy": 2023,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2023-07-28"
            },
            {
              "start": "2023-04-01",
              "end": "2023-06-30",
              "val": 43000000,
              "accn": "0001091667-24-000104",
              "fy": 2024,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2024-07-26",
              "frame": "CY2023Q2"
            },
            {
              "start": "2023-01-01",
              "end": "2023-09-30",
              "val": 54000000,
              "accn": "0001091667-23-000143",
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              "form": "10-Q",
              "filed": "2023-10-27"
            },
            {
              "start": "2023-01-01",
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              "val": 54000000,
              "accn": "0001091667-24-000123",
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2024-11-01"
            },
            {
              "start": "2023-07-01",
              "end": "2023-09-30",
              "val": 6000000,
              "accn": "0001091667-23-000143",
              "fy": 2023,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2023-10-27"
            },
            {
              "start": "2023-07-01",
              "end": "2023-09-30",
              "val": 6000000,
              "accn": "0001091667-24-000123",
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              "fp": "Q3",
              "form": "10-Q",
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              "frame": "CY2023Q3"
            },
            {
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              "end": "2023-12-31",
              "val": 130000000,
              "accn": "0001091667-24-000028",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 130000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31"
            },
            {
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              "val": 130000000,
              "accn": "0001091667-26-000017",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2023"
            },
            {
              "start": "2024-01-01",
              "end": "2024-03-31",
              "val": -20000000,
              "accn": "0001091667-24-000085",
              "fy": 2024,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2024-04-26"
            },
            {
              "start": "2024-01-01",
              "end": "2024-03-31",
              "val": -20000000,
              "accn": "0001091667-25-000099",
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              "form": "10-Q",
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              "frame": "CY2024Q1"
            },
            {
              "start": "2024-01-01",
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              "val": -29000000,
              "accn": "0001091667-24-000104",
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              "fp": "Q2",
              "form": "10-Q",
              "filed": "2024-07-26"
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            {
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              "accn": "0001091667-25-000127",
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              "filed": "2025-07-25"
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            {
              "start": "2024-04-01",
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              "val": -9000000,
              "accn": "0001091667-24-000104",
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              "form": "10-Q",
              "filed": "2024-07-26"
            },
            {
              "start": "2024-04-01",
              "end": "2024-06-30",
              "val": -9000000,
              "accn": "0001091667-25-000127",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-07-25",
              "frame": "CY2024Q2"
            },
            {
              "start": "2024-01-01",
              "end": "2024-09-30",
              "val": -16000000,
              "accn": "0001091667-24-000123",
              "fy": 2024,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2024-11-01"
            },
            {
              "start": "2024-01-01",
              "end": "2024-09-30",
              "val": -16000000,
              "accn": "0001091667-25-000168",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-31"
            },
            {
              "start": "2024-07-01",
              "end": "2024-09-30",
              "val": 13000000,
              "accn": "0001091667-24-000123",
              "fy": 2024,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2024-11-01"
            },
            {
              "start": "2024-07-01",
              "end": "2024-09-30",
              "val": 13000000,
              "accn": "0001091667-25-000168",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-31",
              "frame": "CY2024Q3"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": -64000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": -64000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
              "end": "2025-03-31",
              "val": -13000000,
              "accn": "0001091667-25-000099",
              "fy": 2025,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2025-04-25"
            },
            {
              "start": "2025-01-01",
              "end": "2025-03-31",
              "val": -13000000,
              "accn": "0001091667-26-000028",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-24",
              "frame": "CY2025Q1"
            },
            {
              "start": "2025-01-01",
              "end": "2025-06-30",
              "val": 111000000,
              "accn": "0001091667-25-000127",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-07-25"
            },
            {
              "start": "2025-01-01",
              "end": "2025-06-30",
              "val": 111000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24"
            },
            {
              "start": "2025-04-01",
              "end": "2025-06-30",
              "val": 124000000,
              "accn": "0001091667-25-000127",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-07-25"
            },
            {
              "start": "2025-04-01",
              "end": "2025-06-30",
              "val": 124000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24",
              "frame": "CY2025Q2"
            },
            {
              "start": "2025-01-01",
              "end": "2025-09-30",
              "val": 39000000,
              "accn": "0001091667-25-000168",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-31"
            },
            {
              "start": "2025-07-01",
              "end": "2025-09-30",
              "val": -72000000,
              "accn": "0001091667-25-000168",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-31",
              "frame": "CY2025Q3"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": 96000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025"
            },
            {
              "start": "2026-01-01",
              "end": "2026-03-31",
              "val": -76000000,
              "accn": "0001091667-26-000028",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-24",
              "frame": "CY2026Q1"
            },
            {
              "start": "2026-01-01",
              "end": "2026-06-30",
              "val": -35000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24"
            },
            {
              "start": "2026-04-01",
              "end": "2026-06-30",
              "val": 41000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24",
              "frame": "CY2026Q2"
            }
          ]
        }
      },
      "GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments": {
        "label": "Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments",
        "description": "Amount of gain (loss) included in earnings for the period from the increase (decrease) in fair value of interest rate derivatives not designated as hedging instruments.",
        "units": {
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              "end": "2014-12-31",
              "val": 12000000,
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              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-06-30",
              "val": 0,
              "accn": "0001091667-16-000549",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-09"
            },
            {
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              "end": "2015-06-30",
              "val": 3000000,
              "accn": "0001091667-16-000549",
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              "form": "10-Q",
              "filed": "2016-08-09",
              "frame": "CY2015Q2"
            },
            {
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              "end": "2015-09-30",
              "val": -3000000,
              "accn": "0001091667-16-000576",
              "fy": 2016,
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              "form": "10-Q",
              "filed": "2016-11-03"
            },
            {
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              "val": -3000000,
              "accn": "0001091667-16-000576",
              "fy": 2016,
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              "form": "10-Q",
              "filed": "2016-11-03",
              "frame": "CY2015Q3"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 5000000,
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              "filed": "2017-02-16"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 5000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2015"
            },
            {
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              "end": "2016-03-31",
              "val": -3000000,
              "accn": "0001091667-17-000072",
              "fy": 2017,
              "fp": "Q1",
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              "filed": "2017-05-02",
              "frame": "CY2016Q1"
            },
            {
              "start": "2016-01-01",
              "end": "2016-06-30",
              "val": -2000000,
              "accn": "0001091667-16-000549",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-09"
            },
            {
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              "end": "2016-06-30",
              "val": -2000000,
              "accn": "0001091667-17-000095",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-07-27"
            },
            {
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              "end": "2016-06-30",
              "val": 1000000,
              "accn": "0001091667-16-000549",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-09"
            },
            {
              "start": "2016-04-01",
              "end": "2016-06-30",
              "val": 1000000,
              "accn": "0001091667-17-000095",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-07-27",
              "frame": "CY2016Q2"
            },
            {
              "start": "2016-01-01",
              "end": "2016-09-30",
              "val": 5000000,
              "accn": "0001091667-16-000576",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-03"
            },
            {
              "start": "2016-01-01",
              "end": "2016-09-30",
              "val": 5000000,
              "accn": "0001091667-17-000105",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-10-26"
            },
            {
              "start": "2016-07-01",
              "end": "2016-09-30",
              "val": 7000000,
              "accn": "0001091667-16-000576",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-03"
            },
            {
              "start": "2016-07-01",
              "end": "2016-09-30",
              "val": 7000000,
              "accn": "0001091667-17-000105",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-10-26",
              "frame": "CY2016Q3"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 8000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 8000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-03-31",
              "val": 2000000,
              "accn": "0001091667-17-000072",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-05-02"
            },
            {
              "start": "2017-01-01",
              "end": "2017-03-31",
              "val": 1000000,
              "accn": "0001091667-18-000063",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-04-27",
              "frame": "CY2017Q1"
            },
            {
              "start": "2017-01-01",
              "end": "2017-06-30",
              "val": 4000000,
              "accn": "0001091667-17-000095",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-07-27"
            },
            {
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              "end": "2017-06-30",
              "val": 1000000,
              "accn": "0001091667-18-000090",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-31"
            },
            {
              "start": "2017-04-01",
              "end": "2017-06-30",
              "val": 2000000,
              "accn": "0001091667-17-000095",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-07-27"
            },
            {
              "start": "2017-04-01",
              "end": "2017-06-30",
              "val": 0,
              "accn": "0001091667-18-000090",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-31",
              "frame": "CY2017Q2"
            },
            {
              "start": "2017-01-01",
              "end": "2017-09-30",
              "val": 4000000,
              "accn": "0001091667-17-000105",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-10-26"
            },
            {
              "start": "2017-01-01",
              "end": "2017-09-30",
              "val": 0,
              "accn": "0001091667-18-000103",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-26"
            },
            {
              "start": "2017-07-01",
              "end": "2017-09-30",
              "val": 0,
              "accn": "0001091667-17-000105",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-10-26"
            },
            {
              "start": "2017-07-01",
              "end": "2017-09-30",
              "val": -1000000,
              "accn": "0001091667-18-000103",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-26",
              "frame": "CY2017Q3"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 5000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-03-31",
              "val": 0,
              "accn": "0001091667-18-000063",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-04-27",
              "frame": "CY2018Q1"
            },
            {
              "start": "2018-01-01",
              "end": "2018-06-30",
              "val": 0,
              "accn": "0001091667-18-000090",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-31"
            },
            {
              "start": "2018-04-01",
              "end": "2018-06-30",
              "val": 0,
              "accn": "0001091667-18-000090",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-31",
              "frame": "CY2018Q2"
            },
            {
              "start": "2018-01-01",
              "end": "2018-09-30",
              "val": 0,
              "accn": "0001091667-18-000103",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-26"
            },
            {
              "start": "2018-07-01",
              "end": "2018-09-30",
              "val": 0,
              "accn": "0001091667-18-000103",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-26",
              "frame": "CY2018Q3"
            }
          ]
        }
      },
      "GainLossOnSaleOfEquityInvestments": {
        "label": "Gain (Loss) on Sale of Equity Investments",
        "description": "The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert significant influence.",
        "units": {
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              "start": "2020-01-01",
              "end": "2020-03-31",
              "val": 9000000,
              "accn": "0001091667-21-000084",
              "fy": 2021,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2021-04-30",
              "frame": "CY2020Q1"
            },
            {
              "start": "2020-01-01",
              "end": "2020-06-30",
              "val": 0,
              "accn": "0001091667-21-000134",
              "fy": 2021,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2021-07-30"
            },
            {
              "start": "2020-04-01",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31",
              "frame": "CY2024Q4I"
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            {
              "end": "2025-12-31",
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              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
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            {
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              "frame": "CY2017Q4I"
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            {
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              "val": 4457000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
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              "form": "10-K",
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              "fy": 2020,
              "fp": "FY",
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            {
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            {
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            {
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              "accn": "0001091667-26-000017",
              "fy": 2025,
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              "filed": "2015-02-24",
              "frame": "CY2014Q4I"
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            {
              "end": "2015-12-31",
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              "frame": "CY2015Q4I"
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              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017Q4I"
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            {
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              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2018Q4I"
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            {
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              "form": "10-K",
              "filed": "2023-01-27",
              "frame": "CY2022Q4I"
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            {
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              "frame": "CY2024Q4I"
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            {
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              "form": "10-K",
              "filed": "2014-02-21",
              "frame": "CY2013Q4I"
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              "filed": "2015-02-24",
              "frame": "CY2014Q4I"
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            {
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              "accn": "0001091667-16-000576",
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              "frame": "CY2016Q3I"
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              "accn": "0001091667-17-000030",
              "fy": 2016,
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              "frame": "CY2016Q4I"
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              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017Q4I"
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              "end": "2018-12-31",
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              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2018Q4I"
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            {
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              "val": 1977000000,
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              "filed": "2021-01-29",
              "frame": "CY2020Q4I"
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            {
              "end": "2021-12-31",
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              "accn": "0001091667-22-000024",
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              "frame": "CY2021Q4I"
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            {
              "end": "2022-12-31",
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              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27",
              "frame": "CY2022Q4I"
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            {
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              "filed": "2024-02-02",
              "frame": "CY2023Q4I"
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            {
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              "frame": "CY2025Q4I"
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              "val": 98000000,
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              "form": "10-Q",
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              "frame": "CY2016Q2I"
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              "accn": "0001091667-16-000576",
              "fy": 2016,
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              "form": "10-Q",
              "filed": "2016-11-03",
              "frame": "CY2016Q3I"
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              "accn": "0001091667-11-000103",
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              "filed": "2011-08-02"
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              "accn": "0001091667-11-000140",
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              "accn": "0001091667-11-000140",
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              "form": "10-Q",
              "filed": "2011-11-01",
              "frame": "CY2011Q3I"
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              "end": "2011-12-31",
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              "fp": "Q2",
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              "form": "10-Q",
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              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2011Q4I"
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              "form": "10-Q",
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              "accn": "0001091667-12-000118",
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              "accn": "0001091667-12-000151",
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              "form": "10-Q",
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              "frame": "CY2012Q3I"
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              "end": "2012-12-31",
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              "filed": "2022-01-28",
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          ]
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      "NetCashProvidedByUsedInFinancingActivities": {
        "label": "Net Cash Provided by (Used in) Financing Activities",
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        "units": {
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              "val": 221000000,
              "accn": "0001091667-21-000163",
              "fy": 2021,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2021-10-29"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 300000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 300000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 300000000,
              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27",
              "frame": "CY2020"
            },
            {
              "start": "2021-01-01",
              "end": "2021-03-31",
              "val": 81000000,
              "accn": "0001091667-21-000084",
              "fy": 2021,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2021-04-30",
              "frame": "CY2021Q1"
            },
            {
              "start": "2021-01-01",
              "end": "2021-06-30",
              "val": 162000000,
              "accn": "0001091667-21-000134",
              "fy": 2021,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2021-07-30"
            },
            {
              "start": "2021-01-01",
              "end": "2021-09-30",
              "val": 244000000,
              "accn": "0001091667-21-000163",
              "fy": 2021,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2021-10-29"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 327000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 327000000,
              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 327000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02",
              "frame": "CY2021"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": 345000000,
              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": 345000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": 345000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31",
              "frame": "CY2022"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 369000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 369000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 369000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2023"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 378000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 378000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": 376000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025"
            }
          ]
        }
      },
      "OperatingLeaseRightOfUseAsset": {
        "label": "Operating Lease, Right-of-Use Asset",
        "description": "Amount of lessee's right to use underlying asset under operating lease.",
        "units": {
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            {
              "end": "2018-12-31",
              "val": 0,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30"
            },
            {
              "end": "2018-12-31",
              "val": 0,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26"
            },
            {
              "end": "2018-12-31",
              "val": 0,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-03-31",
              "val": 1101000000,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 1166000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 1103000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 1092000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31"
            },
            {
              "end": "2019-12-31",
              "val": 1092000000,
              "accn": "0001091667-20-000105",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-05-01"
            },
            {
              "end": "2019-12-31",
              "val": 1092000000,
              "accn": "0001091667-20-000158",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-07-31"
            },
            {
              "end": "2019-12-31",
              "val": 1092000000,
              "accn": "0001091667-20-000195",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-30"
            },
            {
              "end": "2019-12-31",
              "val": 1092000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-03-31",
              "val": 1096000000,
              "accn": "0001091667-20-000105",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-05-01",
              "frame": "CY2020Q1I"
            },
            {
              "end": "2020-06-30",
              "val": 1132000000,
              "accn": "0001091667-20-000158",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-07-31",
              "frame": "CY2020Q2I"
            },
            {
              "end": "2020-09-30",
              "val": 1157000000,
              "accn": "0001091667-20-000195",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-30",
              "frame": "CY2020Q3I"
            },
            {
              "end": "2020-12-31",
              "val": 1214000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29"
            },
            {
              "end": "2020-12-31",
              "val": 1214000000,
              "accn": "0001091667-21-000084",
              "fy": 2021,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2021-04-30"
            },
            {
              "end": "2020-12-31",
              "val": 1214000000,
              "accn": "0001091667-21-000134",
              "fy": 2021,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2021-07-30"
            },
            {
              "end": "2020-12-31",
              "val": 1214000000,
              "accn": "0001091667-21-000163",
              "fy": 2021,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2021-10-29"
            },
            {
              "end": "2020-12-31",
              "val": 1214000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-03-31",
              "val": 1242000000,
              "accn": "0001091667-21-000084",
              "fy": 2021,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2021-04-30",
              "frame": "CY2021Q1I"
            },
            {
              "end": "2021-06-30",
              "val": 1288000000,
              "accn": "0001091667-21-000134",
              "fy": 2021,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2021-07-30",
              "frame": "CY2021Q2I"
            },
            {
              "end": "2021-09-30",
              "val": 1279000000,
              "accn": "0001091667-21-000163",
              "fy": 2021,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2021-10-29",
              "frame": "CY2021Q3I"
            },
            {
              "end": "2021-12-31",
              "val": 1306000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28"
            },
            {
              "end": "2021-12-31",
              "val": 1306000000,
              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 1235000000,
              "accn": "0001091667-23-000024",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-01-27"
            },
            {
              "end": "2022-12-31",
              "val": 1235000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 1270000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02"
            },
            {
              "end": "2023-12-31",
              "val": 1270000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 1244000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31"
            },
            {
              "end": "2024-12-31",
              "val": 1244000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 1281000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDue": {
        "label": "Operating Leases, Future Minimum Payments Due",
        "description": "Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.",
        "units": {
          "USD": [
            {
              "end": "2018-12-31",
              "val": 1500000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "end": "2018-12-31",
              "val": 1500000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueCurrent": {
        "label": "Operating Leases, Future Minimum Payments Due, Next Twelve Months",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2018-12-31",
              "val": 286000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "end": "2018-12-31",
              "val": 286000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInFiveYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Five Years",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2018-12-31",
              "val": 143000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "end": "2018-12-31",
              "val": 143000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInFourYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Four Years",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2018-12-31",
              "val": 170000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "end": "2018-12-31",
              "val": 170000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "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": "2018-12-31",
              "val": 207000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "end": "2018-12-31",
              "val": 207000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "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": "2018-12-31",
              "val": 254000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "end": "2018-12-31",
              "val": 254000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "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": "2018-12-31",
              "val": 440000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25"
            },
            {
              "end": "2018-12-31",
              "val": 440000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeaseWeightedAverageDiscountRatePercent": {
        "label": "Operating Lease, Weighted Average Discount Rate, Percent",
        "description": "Weighted average discount rate for operating lease calculated at point in time.",
        "units": {
          "pure": [
            {
              "end": "2019-03-31",
              "val": 0.045,
              "accn": "0001091667-19-000085",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 0.045,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 0.045,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 0.044,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31"
            },
            {
              "end": "2019-12-31",
              "val": 0.044,
              "accn": "0001091667-20-000105",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-05-01"
            },
            {
              "end": "2019-12-31",
              "val": 0.044,
              "accn": "0001091667-20-000158",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-07-31"
            },
            {
              "end": "2019-12-31",
              "val": 0.044,
              "accn": "0001091667-20-000195",
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-03"
            },
            {
              "start": "2015-07-01",
              "end": "2015-09-30",
              "val": 56000000,
              "accn": "0001091667-15-000263",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-10-29",
              "frame": "CY2015Q3"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": -262000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 9000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 9000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2015"
            },
            {
              "start": "2016-01-01",
              "end": "2016-09-30",
              "val": 5000000,
              "accn": "0001091667-16-000576",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-03"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 6000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 6000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 6000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 6000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 6000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 6000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2017"
            },
            {
              "start": "2018-04-01",
              "end": "2018-06-30",
              "val": -1000000,
              "accn": "0001091667-19-000097",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-26"
            },
            {
              "start": "2018-04-01",
              "end": "2018-06-30",
              "val": -1000000,
              "accn": "0001091667-19-000113",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2018Q2"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": -1000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": -1000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": -1000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 2000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 2000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 2000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2019"
            }
          ]
        }
      },
      "OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease": {
        "label": "Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31)",
        "description": "This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.",
        "units": {
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              "start": "2010-01-01",
              "end": "2010-06-30",
              "val": 107000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02"
            },
            {
              "start": "2010-04-01",
              "end": "2010-06-30",
              "val": 131000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02",
              "frame": "CY2010Q2"
            },
            {
              "start": "2010-01-01",
              "end": "2010-09-30",
              "val": 236000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01"
            },
            {
              "start": "2010-07-01",
              "end": "2010-09-30",
              "val": 129000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01",
              "frame": "CY2010Q3"
            },
            {
              "start": "2011-01-01",
              "end": "2011-03-31",
              "val": -99000000,
              "accn": "0001091667-12-000085",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-08",
              "frame": "CY2011Q1"
            },
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
              "val": 226000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02"
            },
            {
              "start": "2011-04-01",
              "end": "2011-06-30",
              "val": 127000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02",
              "frame": "CY2011Q2"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": 322000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01"
            },
            {
              "start": "2011-07-01",
              "end": "2011-09-30",
              "val": 96000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01",
              "frame": "CY2011Q3"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": -93000000,
              "accn": "0001091667-12-000085",
              "fy": 2012,
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              "form": "10-Q",
              "filed": "2012-05-08",
              "frame": "CY2012Q1"
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          ]
        }
      },
      "OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax": {
        "label": "Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax",
        "description": "Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).",
        "units": {
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              "end": "2010-06-30",
              "val": 50000000,
              "accn": "0001091667-11-000105",
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              "form": "10-Q/A",
              "filed": "2011-08-02"
            },
            {
              "start": "2010-04-01",
              "end": "2010-06-30",
              "val": 50000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02",
              "frame": "CY2010Q2"
            },
            {
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              "end": "2010-12-31",
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              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
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              "accn": "0001091667-12-000118",
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              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-07"
            },
            {
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              "filed": "2011-08-02"
            },
            {
              "start": "2011-04-01",
              "end": "2011-06-30",
              "val": -20000000,
              "accn": "0001091667-12-000118",
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              "filed": "2012-08-07",
              "frame": "CY2011Q2"
            },
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              "end": "2011-06-30",
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              "accn": "0001091667-11-000105",
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              "form": "10-Q/A",
              "filed": "2011-08-02"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": -20000000,
              "accn": "0001091667-12-000151",
              "fy": 2012,
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              "filed": "2012-11-06"
            },
            {
              "start": "2011-07-01",
              "end": "2011-09-30",
              "val": -11000000,
              "accn": "0001091667-12-000151",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-06",
              "frame": "CY2011Q3"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
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              "accn": "0001091667-13-000020",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 1000000,
              "accn": "0001091667-13-000088",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-07",
              "frame": "CY2012Q1"
            },
            {
              "start": "2012-01-01",
              "end": "2012-06-30",
              "val": -11000000,
              "accn": "0001091667-12-000118",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-07"
            },
            {
              "start": "2012-04-01",
              "end": "2012-06-30",
              "val": -12000000,
              "accn": "0001091667-12-000118",
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              "form": "10-Q",
              "filed": "2012-08-07",
              "frame": "CY2012Q2"
            },
            {
              "start": "2012-01-01",
              "end": "2012-09-30",
              "val": -18000000,
              "accn": "0001091667-12-000151",
              "fy": 2012,
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              "form": "10-Q",
              "filed": "2012-11-06"
            },
            {
              "start": "2012-07-01",
              "end": "2012-09-30",
              "val": -7000000,
              "accn": "0001091667-12-000151",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-06",
              "frame": "CY2012Q3"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": -10000000,
              "accn": "0001091667-13-000020",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-03-31",
              "val": 11000000,
              "accn": "0001091667-13-000088",
              "fy": 2013,
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              "form": "10-Q",
              "filed": "2013-05-07",
              "frame": "CY2013Q1"
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          ]
        }
      },
      "OtherCostAndExpenseOperating": {
        "label": "Other Cost and Expense, Operating",
        "description": "The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.",
        "units": {
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              "end": "2010-03-31",
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              "accn": "0001091667-11-000085",
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              "form": "10-Q",
              "filed": "2011-05-03",
              "frame": "CY2010Q1"
            },
            {
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            },
            {
              "start": "2010-01-01",
              "end": "2010-06-30",
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              "filed": "2011-08-02"
            },
            {
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              "end": "2010-06-30",
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              "accn": "0001091667-11-000103",
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              "form": "10-Q",
              "filed": "2011-08-02"
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            {
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              "end": "2010-06-30",
              "val": 7000000,
              "accn": "0001091667-11-000105",
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              "frame": "CY2010Q2"
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            {
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              "end": "2010-09-30",
              "val": 19000000,
              "accn": "0001091667-11-000140",
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01"
            },
            {
              "start": "2010-07-01",
              "end": "2010-09-30",
              "val": 0,
              "accn": "0001091667-11-000140",
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              "filed": "2011-11-01",
              "frame": "CY2010Q3"
            },
            {
              "start": "2011-01-01",
              "end": "2011-03-31",
              "val": 5000000,
              "accn": "0001091667-11-000085",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-03"
            },
            {
              "start": "2011-01-01",
              "end": "2011-03-31",
              "val": 5000000,
              "accn": "0001091667-12-000085",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-08",
              "frame": "CY2011Q1"
            },
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
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              "accn": "0001091667-11-000103",
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              "filed": "2011-08-02"
            },
            {
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              "accn": "0001091667-11-000105",
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              "filed": "2011-08-02"
            },
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
              "val": 6000000,
              "accn": "0001091667-12-000118",
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              "form": "10-Q",
              "filed": "2012-08-07"
            },
            {
              "start": "2011-04-01",
              "end": "2011-06-30",
              "val": 1000000,
              "accn": "0001091667-11-000103",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-02"
            },
            {
              "start": "2011-04-01",
              "end": "2011-06-30",
              "val": 1000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02"
            },
            {
              "start": "2011-04-01",
              "end": "2011-06-30",
              "val": 1000000,
              "accn": "0001091667-12-000118",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-07",
              "frame": "CY2011Q2"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": 7000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01"
            },
            {
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              "end": "2011-09-30",
              "val": 1000000,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
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              "filed": "2011-11-01",
              "frame": "CY2011Q3"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 678000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 3000000,
              "accn": "0001091667-12-000085",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-08",
              "frame": "CY2012Q1"
            },
            {
              "start": "2012-01-01",
              "end": "2012-06-30",
              "val": -1000000,
              "accn": "0001091667-12-000118",
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              "filed": "2012-08-07"
            },
            {
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              "end": "2012-06-30",
              "val": 349000000,
              "accn": "0001091667-13-000140",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-06"
            },
            {
              "start": "2012-04-01",
              "end": "2012-06-30",
              "val": -4000000,
              "accn": "0001091667-12-000118",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-07"
            },
            {
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              "end": "2012-06-30",
              "val": 185000000,
              "accn": "0001091667-13-000140",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-06",
              "frame": "CY2012Q2"
            },
            {
              "start": "2012-01-01",
              "end": "2012-09-30",
              "val": 541000000,
              "accn": "0001091667-13-000171",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-05"
            },
            {
              "start": "2012-07-01",
              "end": "2012-09-30",
              "val": 192000000,
              "accn": "0001091667-13-000171",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-05",
              "frame": "CY2012Q3"
            },
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              "frame": "CY2015Q2I"
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              "accn": "0001091667-15-000263",
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              "end": "2019-03-31",
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              "end": "2019-06-30",
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              "val": -13000000,
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              "val": 8259000000,
              "accn": "0001091667-23-000143",
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              "form": "10-Q",
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            },
            {
              "start": "2023-01-01",
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              "val": 8259000000,
              "accn": "0001091667-24-000123",
              "fy": 2024,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2024-11-01"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 11115000000,
              "accn": "0001091667-24-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-02"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 11115000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 11115000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
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              "frame": "CY2023"
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            {
              "start": "2024-01-01",
              "end": "2024-03-31",
              "val": 2791000000,
              "accn": "0001091667-24-000085",
              "fy": 2024,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2024-04-26"
            },
            {
              "start": "2024-01-01",
              "end": "2024-03-31",
              "val": 2791000000,
              "accn": "0001091667-25-000099",
              "fy": 2025,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2025-04-25",
              "frame": "CY2024Q1"
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            {
              "start": "2024-01-01",
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              "val": 5644000000,
              "accn": "0001091667-24-000104",
              "fy": 2024,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2024-07-26"
            },
            {
              "start": "2024-01-01",
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              "val": 5644000000,
              "accn": "0001091667-25-000127",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
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            },
            {
              "start": "2024-01-01",
              "end": "2024-09-30",
              "val": 8207000000,
              "accn": "0001091667-24-000123",
              "fy": 2024,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2024-11-01"
            },
            {
              "start": "2024-01-01",
              "end": "2024-09-30",
              "val": 8207000000,
              "accn": "0001091667-25-000168",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-31"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 11269000000,
              "accn": "0001091667-25-000034",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-01-31"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 11269000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
              "end": "2025-03-31",
              "val": 2399000000,
              "accn": "0001091667-25-000099",
              "fy": 2025,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2025-04-25"
            },
            {
              "start": "2025-01-01",
              "end": "2025-03-31",
              "val": 2399000000,
              "accn": "0001091667-26-000028",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-24",
              "frame": "CY2025Q1"
            },
            {
              "start": "2025-01-01",
              "end": "2025-06-30",
              "val": 5273000000,
              "accn": "0001091667-25-000127",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-07-25"
            },
            {
              "start": "2025-01-01",
              "end": "2025-06-30",
              "val": 5273000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24"
            },
            {
              "start": "2025-01-01",
              "end": "2025-09-30",
              "val": 8324000000,
              "accn": "0001091667-25-000168",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-10-31"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": 11659000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2025"
            },
            {
              "start": "2026-01-01",
              "end": "2026-03-31",
              "val": 2855000000,
              "accn": "0001091667-26-000028",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-24",
              "frame": "CY2026Q1"
            },
            {
              "start": "2026-01-01",
              "end": "2026-06-30",
              "val": 5726000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24"
            }
          ]
        }
      },
      "PaymentsToAcquireSoftware": {
        "label": "Payments to Acquire Software",
        "description": "The cash outflow associated with the acquisition from vendors of software programs or applications for internal use (that is, not to be sold, leased or otherwise marketed to others) that qualify for capitalization.",
        "units": {
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              "end": "2018-12-31",
              "val": 0,
              "accn": "0001091667-21-000022",
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              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 0,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2019"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 464000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2020"
            }
          ]
        }
      },
      "PaymentsToFundLongtermLoansToRelatedParties": {
        "label": "Payments to Fund Long-term Loans to Related Parties",
        "description": "The cash outflow associated with extending a long-term loan to a related party. Alternate caption: Payments for Advances to Affiliates.",
        "units": {
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              "val": 0,
              "accn": "0001091667-13-000020",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2010"
            }
          ]
        }
      },
      "PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities": {
        "label": "Liability, Defined Benefit Plan, Current",
        "description": "Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as current.",
        "units": {
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              "end": "2016-05-18",
              "val": 6000000,
              "accn": "0001091667-16-000549",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-09"
            },
            {
              "end": "2016-05-18",
              "val": 6000000,
              "accn": "0001091667-16-000576",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-03"
            },
            {
              "end": "2016-06-30",
              "val": 6000000,
              "accn": "0001091667-16-000549",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-09",
              "frame": "CY2016Q2I"
            },
            {
              "end": "2016-12-31",
              "val": 6000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16"
            },
            {
              "end": "2016-12-31",
              "val": 6000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 5000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02"
            },
            {
              "end": "2017-12-31",
              "val": 5000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 4000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31"
            },
            {
              "end": "2018-12-31",
              "val": 4000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 4000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31"
            },
            {
              "end": "2019-12-31",
              "val": 4000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 5000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29"
            },
            {
              "end": "2020-12-31",
              "val": 5000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2020Q4I"
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            {
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              "accn": "0001091667-22-000024",
              "fy": 2021,
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              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2021Q4I"
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          ]
        }
      },
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        "label": "Liability, Defined Benefit Plan, Noncurrent",
        "description": "Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.",
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              "val": 1100000000,
              "accn": "0001091667-16-000549",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-09"
            },
            {
              "end": "2016-05-18",
              "val": 1100000000,
              "accn": "0001091667-16-000576",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-03"
            },
            {
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              "val": 641000000,
              "accn": "0001091667-16-000549",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-09",
              "frame": "CY2016Q2I"
            },
            {
              "end": "2016-12-31",
              "val": 309000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16"
            },
            {
              "end": "2016-12-31",
              "val": 309000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 292000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02"
            },
            {
              "end": "2017-12-31",
              "val": 292000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 95000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31"
            },
            {
              "end": "2018-12-31",
              "val": 95000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 160000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31"
            },
            {
              "end": "2019-12-31",
              "val": 160000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 222000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29"
            },
            {
              "end": "2020-12-31",
              "val": 222000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 27000000,
              "accn": "0001091667-22-000024",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-01-28",
              "frame": "CY2021Q4I"
            }
          ]
        }
      },
      "PensionContributions": {
        "label": "Payment for Pension Benefits",
        "description": "Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit.",
        "units": {
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              "val": 5000000,
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              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 18000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 6000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 4000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 3000000,
              "accn": "0001091667-21-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-01-29",
              "frame": "CY2020"
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          ]
        }
      },
      "PreferredStockDividendRatePercentage": {
        "label": "Preferred Stock, Dividend Rate, Percentage",
        "description": "The percentage rate used to calculate dividend payments on preferred stock.",
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              "end": "2009-11-30",
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              "accn": "0001091667-13-000020",
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              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "start": "2009-11-29",
              "end": "2009-11-30",
              "val": 0.15,
              "accn": "0001091667-12-000026",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-27"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 0.15,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01",
              "frame": "CY2009"
            },
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 0.15,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02"
            }
          ]
        }
      },
      "PreferredStockLiquidationPreference": {
        "label": "Preferred Stock, Liquidation Preference Per Share",
        "description": "The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.",
        "units": {
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              "val": 25,
              "accn": "0001091667-13-000020",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22"
            },
            {
              "end": "2009-11-30",
              "val": 25,
              "accn": "0001091667-12-000026",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-27"
            },
            {
              "end": "2009-12-31",
              "val": 25,
              "accn": "0001091667-11-000140",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-01",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2009-12-31",
              "val": 25,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02"
            }
          ]
        }
      },
      "PreferredStockLiquidationPreferenceValue": {
        "label": "Preferred Stock, Liquidation Preference, Value",
        "description": "Value of the difference between preference in liquidation and the par or stated values of the preferred shares.",
        "units": {
          "USD": [
            {
              "end": "2009-11-30",
              "val": 138000000,
              "accn": "0001091667-13-000020",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2009Q4I"
            }
          ]
        }
      },
      "PreferredStockParOrStatedValuePerShare": {
        "label": "Preferred Stock, Par or Stated Value Per Share",
        "description": "Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.",
        "units": {
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              "end": "2010-12-31",
              "val": 0.001,
              "accn": "0001091667-11-000085",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-03"
            },
            {
              "end": "2010-12-31",
              "val": 0.001,
              "accn": "0001091667-11-000103",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-02"
            },
            {
              "end": "2010-12-31",
              "val": 0.001,
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            },
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            },
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            },
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            {
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            },
            {
              "end": "2024-12-31",
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              "accn": "0001091667-26-000017",
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              "fp": "FY",
              "form": "10-K",
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              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-03-31",
              "val": 1600000000,
              "accn": "0001091667-25-000099",
              "fy": 2025,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2025-04-25",
              "frame": "CY2025Q1I"
            },
            {
              "end": "2025-06-30",
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            },
            {
              "end": "2025-09-30",
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            },
            {
              "end": "2025-12-31",
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              "filed": "2026-01-30"
            },
            {
              "end": "2025-12-31",
              "val": 1575000000,
              "accn": "0001091667-26-000028",
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              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-24"
            },
            {
              "end": "2025-12-31",
              "val": 1575000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24",
              "frame": "CY2025Q4I"
            },
            {
              "end": "2026-03-31",
              "val": 1608000000,
              "accn": "0001091667-26-000028",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-24",
              "frame": "CY2026Q1I"
            },
            {
              "end": "2026-06-30",
              "val": 1581000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24",
              "frame": "CY2026Q2I"
            }
          ]
        }
      },
      "PropertyPlantAndEquipmentAdditions": {
        "label": "Property, Plant and Equipment, Additions",
        "description": "Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.",
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              "end": "2011-12-31",
              "val": 49000000,
              "accn": "0001091667-12-000026",
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              "fp": "FY",
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            },
            {
              "start": "2011-01-01",
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              "accn": "0001091667-13-000020",
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              "form": "10-K",
              "filed": "2013-02-22",
              "frame": "CY2011"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 515000000,
              "accn": "0001091667-14-000080",
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            },
            {
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              "filed": "2015-02-24",
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        }
      },
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              "accn": "0001091667-14-000080",
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            },
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              "accn": "0001091667-22-000024",
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              "accn": "0001091667-23-000024",
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            },
            {
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              "frame": "CY2025Q4I"
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        }
      },
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        "description": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.",
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            {
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            {
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            {
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            {
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              "end": "2024-12-31",
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            },
            {
              "end": "2024-12-31",
              "val": 42913000000,
              "accn": "0001091667-26-000017",
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              "fp": "FY",
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              "filed": "2026-01-30",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-03-31",
              "val": 43359000000,
              "accn": "0001091667-25-000099",
              "fy": 2025,
              "fp": "Q1",
              "form": "10-Q",
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              "frame": "CY2025Q1I"
            },
            {
              "end": "2025-06-30",
              "val": 44187000000,
              "accn": "0001091667-25-000127",
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            {
              "end": "2025-09-30",
              "val": 45187000000,
              "accn": "0001091667-25-000168",
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            {
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            {
              "end": "2025-12-31",
              "val": 46444000000,
              "accn": "0001091667-26-000028",
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              "filed": "2026-04-24"
            },
            {
              "end": "2025-12-31",
              "val": 46444000000,
              "accn": "0001091667-26-000052",
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              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24",
              "frame": "CY2025Q4I"
            },
            {
              "end": "2026-03-31",
              "val": 47198000000,
              "accn": "0001091667-26-000028",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-24",
              "frame": "CY2026Q1I"
            },
            {
              "end": "2026-06-30",
              "val": 47955000000,
              "accn": "0001091667-26-000052",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-24",
              "frame": "CY2026Q2I"
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          ]
        }
      },
      "ProvisionForDoubtfulAccounts": {
        "label": "Accounts Receivable, Credit Loss Expense (Reversal)",
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              "end": "2011-12-31",
              "val": 117000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
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              "val": 105000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 105000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 101000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21"
            },
            {
              "start": "2013-01-01",
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              "val": 101000000,
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              "filed": "2015-02-24"
            },
            {
              "start": "2013-01-01",
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              "val": 101000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
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              "filed": "2016-02-10",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 122000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 122000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 122000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 135000000,
              "accn": "0001091667-16-000396",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10"
            },
            {
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              "end": "2015-12-31",
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              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 135000000,
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              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02",
              "frame": "CY2015"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 328000000,
              "accn": "0001091667-17-000030",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-16"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 328000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 328000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 469000000,
              "accn": "0001091667-18-000025",
              "fy": 2017,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2018-02-02"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 469000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 469000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 570000000,
              "accn": "0001091667-19-000029",
              "fy": 2018,
              "fp": "Q4",
              "form": "10-K",
              "filed": "2019-01-31"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 570000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 659000000,
              "accn": "0001091667-20-000024",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-01-31",
              "frame": "CY2019"
            },
            {
              "start": "2023-01-01",
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              "val": 743000000,
              "accn": "0001091667-26-000017",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2023"
            },
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              "start": "2024-01-01",
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              "val": 762000000,
              "accn": "0001091667-26-000017",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": 746000000,
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              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-01-30",
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          ]
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      },
      "RedeemableNoncontrollingInterestEquityCarryingAmount": {
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        "label": "Redeemable Noncontrolling Interest, Equity, Preferred, Carrying Amount",
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        }
      },
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        "label": "Related Party Transaction, Expenses from Transactions with Related Party",
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              "frame": "CY2010"
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              "accn": "0001091667-13-000020",
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              "form": "10-K",
              "filed": "2013-02-22"
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            {
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              "val": 247000000,
              "accn": "0001091667-13-000020",
              "fy": 2012,
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              "form": "10-K",
              "filed": "2013-02-22"
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              "accn": "0001091667-14-000080",
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              "accn": "0001091667-15-000049",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 305000000,
              "accn": "0001091667-14-000080",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-21"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 305000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 346000000,
              "accn": "0001091667-15-000049",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-24",
              "frame": "CY2014"
            }
          ]
        }
      },
      "RepaymentsOfLongTermDebt": {
        "label": "Repayments of Long-term Debt",
        "description": "The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.",
        "units": {
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              "start": "2010-01-01",
              "end": "2010-03-31",
              "val": 667000000,
              "accn": "0001091667-11-000085",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-05-03",
              "frame": "CY2010Q1"
            },
            {
              "start": "2010-01-01",
              "end": "2010-06-30",
              "val": 2440000000,
              "accn": "0001091667-11-000103",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-02"
            },
            {
              "start": "2010-01-01",
              "end": "2010-06-30",
              "val": 2440000000,
              "accn": "0001091667-11-000105",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2011-08-02"
            },
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            {
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            {
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            {
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              "val": 1217000000,
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              "fp": "FY",
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              "frame": "CY2024"
            },
            {
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              "frame": "CY2025"
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          ]
        }
      },
      "StockRepurchaseProgramAuthorizedAmount": {
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          ]
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      },
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              "accn": "0001091667-17-000030",
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              "filed": "2017-02-16",
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        }
      },
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              "fy": 2017,
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              "end": "2019-09-30",
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              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-25",
              "frame": "CY2019Q3I"
            },
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        "description": "Amount of allowance for credit loss for right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as noncurrent.",
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