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              "fp": "FY",
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              "filed": "2026-05-11",
              "frame": "CY2025Q1I"
            },
            {
              "end": "2025-06-30",
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              "form": "10-Q",
              "filed": "2025-08-01",
              "frame": "CY2025Q2I"
            },
            {
              "end": "2025-09-30",
              "val": 33000000,
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              "filed": "2025-10-31",
              "frame": "CY2025Q3I"
            },
            {
              "end": "2025-12-31",
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              "accn": "0001628280-26-005101",
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              "frame": "CY2025Q4I"
            },
            {
              "end": "2026-03-31",
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              "filed": "2026-05-11"
            },
            {
              "end": "2026-03-31",
              "val": 70000000,
              "accn": "0001628280-26-051829",
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              "form": "10-Q",
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              "frame": "CY2026Q1I"
            },
            {
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              "form": "10-Q",
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              "frame": "CY2026Q2I"
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          ]
        }
      },
      "AvailableForSaleSecuritiesEquitySecuritiesCurrent": {
        "label": "Available-for-sale Securities, Equity Securities, Current",
        "description": "Amount of investments in equity securities and other forms of securities that provide ownership interests classified as available-for-sale, expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer.",
        "units": {
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              "fy": 2009,
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              "filed": "2010-02-09"
            },
            {
              "end": "2009-03-31",
              "val": 365000000,
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              "fy": 2009,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2009-11-10"
            },
            {
              "end": "2009-03-31",
              "val": 365000000,
              "accn": "0001193125-09-170759",
              "fy": 2009,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2009-08-10"
            },
            {
              "end": "2009-03-31",
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              "filed": "2010-05-28",
              "frame": "CY2009Q1I"
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            {
              "end": "2009-06-30",
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              "filed": "2009-08-10",
              "frame": "CY2009Q2I"
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            {
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              "accn": "0001193125-09-230789",
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              "filed": "2009-11-10",
              "frame": "CY2009Q3I"
            },
            {
              "end": "2009-12-31",
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            {
              "end": "2010-03-31",
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              "accn": "0001193125-11-149262",
              "fy": 2010,
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              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2010Q1I"
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            {
              "end": "2010-03-31",
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              "filed": "2011-02-07"
            },
            {
              "end": "2010-03-31",
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              "fy": 2010,
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              "form": "10-Q",
              "filed": "2010-11-08"
            },
            {
              "end": "2010-03-31",
              "val": 291000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
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              "form": "10-Q",
              "filed": "2010-08-09"
            },
            {
              "end": "2010-03-31",
              "val": 291000000,
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              "fy": 2009,
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              "form": "10-K",
              "filed": "2010-05-28"
            },
            {
              "end": "2010-06-30",
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              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-09-30",
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              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
              "val": 107000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-03-31",
              "val": 161000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2011Q1I"
            },
            {
              "end": "2011-03-31",
              "val": 161000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "end": "2011-03-31",
              "val": 161000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "end": "2011-03-31",
              "val": 161000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09"
            },
            {
              "end": "2011-03-31",
              "val": 161000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "end": "2011-06-30",
              "val": 172000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09",
              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
              "val": 214000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
              "val": 143000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 119000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
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              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "end": "2012-03-31",
              "val": 119000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-03-31",
              "val": 119000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05"
            },
            {
              "end": "2012-03-31",
              "val": 119000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06"
            },
            {
              "end": "2012-03-31",
              "val": 119000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03"
            },
            {
              "end": "2012-06-30",
              "val": 76000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-09-30",
              "val": 93000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2012-12-31",
              "val": 59000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-03-31",
              "val": 0,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2013Q1I"
            }
          ]
        }
      },
      "AvailableForSaleSecuritiesGrossUnrealizedGains": {
        "label": "Available-for-sale Securities, Gross Unrealized Gain",
        "description": "Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.",
        "units": {
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            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 2000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2009"
            },
            {
              "start": "2010-04-01",
              "end": "2010-06-30",
              "val": 2000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2"
            }
          ]
        }
      },
      "BuildingsAndImprovementsGross": {
        "label": "Buildings and Improvements, Gross",
        "description": "Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.",
        "units": {
          "USD": [
            {
              "end": "2009-06-30",
              "val": 347000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2009Q2I"
            },
            {
              "end": "2010-03-31",
              "val": 347000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2010Q1I"
            },
            {
              "end": "2010-03-31",
              "val": 347000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07"
            },
            {
              "end": "2010-03-31",
              "val": 347000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08"
            },
            {
              "end": "2010-06-30",
              "val": 340000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-09-30",
              "val": 345000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
              "val": 349000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-03-31",
              "val": 355000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2011Q1I"
            },
            {
              "end": "2011-03-31",
              "val": 355000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "end": "2011-03-31",
              "val": 355000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "end": "2011-03-31",
              "val": 355000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09"
            },
            {
              "end": "2011-03-31",
              "val": 355000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "end": "2011-06-30",
              "val": 356000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09",
              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
              "val": 331000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
              "val": 333000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 339000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "end": "2012-03-31",
              "val": 339000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
              "val": 334000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q2I"
            }
          ]
        }
      },
      "BusinessAcquisitionContingentConsiderationPotentialCashPayment": {
        "label": "Business Acquisition, Contingent Consideration, Potential Cash Payment (Deprecated 2013-01-31)",
        "description": "Amount of potential cash payments that could result from the contingent consideration arrangement.",
        "units": {
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              "end": "2010-06-30",
              "val": 100000000,
              "accn": "0001193125-10-183448",
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              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2I"
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            {
              "end": "2010-09-30",
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              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
              "val": 110000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-03-31",
              "val": 110000000,
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              "fy": 2011,
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              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2011Q1I"
            },
            {
              "end": "2011-03-31",
              "val": 110000000,
              "accn": "0001193125-11-149262",
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              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "end": "2011-06-30",
              "val": 110000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09",
              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
              "val": 660000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
              "val": 672000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 572000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "end": "2012-03-31",
              "val": 572000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-03-31",
              "val": 572000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05"
            },
            {
              "end": "2012-03-31",
              "val": 572000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06"
            },
            {
              "end": "2012-03-31",
              "val": 572000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03"
            },
            {
              "end": "2012-06-30",
              "val": 568000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-09-30",
              "val": 568000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2012-12-31",
              "val": 566000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-03-31",
              "val": 566000000,
              "accn": "0000712515-13-000037",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-03-31",
              "val": 566000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22"
            },
            {
              "end": "2013-06-30",
              "val": 560000000,
              "accn": "0000712515-13-000037",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2013Q2I"
            }
          ]
        }
      },
      "BusinessAcquisitionCostOfAcquiredEntityEquityInterestsIssuedAndIssuable": {
        "label": "Business Acquisition, Cost of Acquired Entity, Equity Interests Issued and Issuable (Deprecated 2013-01-31)",
        "description": "The acquisition-date fair value of the equity interests of the acquirer, including the number of instruments or interests issued or issuable in consideration for the business combination.",
        "units": {
          "USD": [
            {
              "end": "2009-03-31",
              "val": 0,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2009Q1I"
            },
            {
              "end": "2010-03-31",
              "val": 11000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2010Q1I"
            },
            {
              "end": "2011-03-31",
              "val": 0,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2011Q1I"
            }
          ]
        }
      },
      "BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount": {
        "label": "Business Acquisition, Goodwill, Expected Tax Deductible Amount",
        "description": "The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.",
        "units": {
          "USD": [
            {
              "end": "2017-12-31",
              "val": 167000000,
              "accn": "0000712515-18-000008",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-02-06",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-03-31",
              "val": 171000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23",
              "frame": "CY2018Q1I"
            },
            {
              "end": "2018-06-30",
              "val": 7000000,
              "accn": "0000712515-18-000045",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-08-08",
              "frame": "CY2018Q2I"
            }
          ]
        }
      },
      "BusinessCombinationConsiderationTransferred1": {
        "label": "Business Combination, Consideration Transferred",
        "description": "Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.",
        "units": {
          "USD": [
            {
              "start": "2017-10-01",
              "end": "2017-12-31",
              "val": 273000000,
              "accn": "0000712515-18-000008",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-02-06",
              "frame": "CY2017Q4"
            },
            {
              "start": "2017-04-01",
              "end": "2018-03-31",
              "val": 273000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23",
              "frame": "CY2017"
            }
          ]
        }
      },
      "BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability": {
        "label": "Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability (Deprecated 2013-01-31)",
        "description": "This element represents the amount of any change, including any differences arising upon settlement, recognized during the reporting period in the value of a liability, arising from an item of contingent consideration, assumed in a business combination.",
        "units": {
          "USD": [
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": -2000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2009"
            },
            {
              "start": "2010-04-01",
              "end": "2010-06-30",
              "val": -2000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09",
              "frame": "CY2010Q2"
            },
            {
              "start": "2010-04-01",
              "end": "2010-09-30",
              "val": 26000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "start": "2010-07-01",
              "end": "2010-09-30",
              "val": 28000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08",
              "frame": "CY2010Q3"
            },
            {
              "start": "2010-04-01",
              "end": "2010-12-31",
              "val": 25000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "start": "2010-10-01",
              "end": "2010-12-31",
              "val": -1000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07",
              "frame": "CY2010Q4"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 17000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 17000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2010"
            },
            {
              "start": "2011-04-01",
              "end": "2011-06-30",
              "val": -2000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09"
            },
            {
              "start": "2011-04-01",
              "end": "2011-06-30",
              "val": 2000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2011Q2"
            },
            {
              "start": "2011-04-01",
              "end": "2011-06-30",
              "val": -2000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03"
            },
            {
              "start": "2011-04-01",
              "end": "2011-09-30",
              "val": -19000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "start": "2011-04-01",
              "end": "2011-09-30",
              "val": -19000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06"
            },
            {
              "start": "2011-07-01",
              "end": "2011-09-30",
              "val": -17000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "start": "2011-07-01",
              "end": "2011-09-30",
              "val": 17000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2011Q3"
            },
            {
              "start": "2011-07-01",
              "end": "2011-09-30",
              "val": -17000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06"
            },
            {
              "start": "2011-04-01",
              "end": "2011-12-31",
              "val": -8000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "start": "2011-04-01",
              "end": "2011-12-31",
              "val": -8000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05"
            },
            {
              "start": "2011-10-01",
              "end": "2011-12-31",
              "val": 11000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "start": "2011-10-01",
              "end": "2011-12-31",
              "val": -11000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2011Q4"
            },
            {
              "start": "2011-10-01",
              "end": "2011-12-31",
              "val": 11000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": -11000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": -11000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 3000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2012Q1"
            },
            {
              "start": "2012-04-01",
              "end": "2012-06-30",
              "val": 20000000,
              "accn": "0000712515-13-000037",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2012Q2"
            },
            {
              "start": "2012-04-01",
              "end": "2012-06-30",
              "val": -20000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22"
            },
            {
              "start": "2012-04-01",
              "end": "2012-06-30",
              "val": 20000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03"
            },
            {
              "start": "2012-04-01",
              "end": "2012-09-30",
              "val": 20000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06"
            },
            {
              "start": "2012-07-01",
              "end": "2012-09-30",
              "val": 0,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06",
              "frame": "CY2012Q3"
            },
            {
              "start": "2012-04-01",
              "end": "2012-12-31",
              "val": 65000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05"
            },
            {
              "start": "2012-10-01",
              "end": "2012-12-31",
              "val": -45000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2012Q4"
            },
            {
              "start": "2012-10-01",
              "end": "2012-12-31",
              "val": 45000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05"
            },
            {
              "start": "2012-04-01",
              "end": "2013-03-31",
              "val": 64000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-03-31",
              "val": 1000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2013Q1"
            },
            {
              "start": "2013-04-01",
              "end": "2013-06-30",
              "val": -7000000,
              "accn": "0000712515-13-000037",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2013Q2"
            }
          ]
        }
      },
      "BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1": {
        "label": "Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability",
        "description": "Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.",
        "units": {
          "USD": [
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 11000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21",
              "frame": "CY2011"
            },
            {
              "start": "2012-04-01",
              "end": "2012-06-30",
              "val": -20000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21",
              "frame": "CY2012Q2"
            },
            {
              "start": "2012-04-01",
              "end": "2012-09-30",
              "val": 20000000,
              "accn": "0000712515-13-000042",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-11-05"
            },
            {
              "start": "2012-07-01",
              "end": "2012-09-30",
              "val": 0,
              "accn": "0000712515-13-000042",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-11-05",
              "frame": "CY2012Q3"
            },
            {
              "start": "2012-04-01",
              "end": "2012-12-31",
              "val": -65000000,
              "accn": "0000712515-14-000009",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-02-04"
            },
            {
              "start": "2012-10-01",
              "end": "2012-12-31",
              "val": -45000000,
              "accn": "0000712515-14-000009",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-02-04"
            },
            {
              "start": "2012-10-01",
              "end": "2012-12-31",
              "val": -45000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21",
              "frame": "CY2012Q4"
            },
            {
              "start": "2012-04-01",
              "end": "2013-03-31",
              "val": -64000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21"
            },
            {
              "start": "2012-04-01",
              "end": "2013-03-31",
              "val": -64000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-03-31",
              "val": 1000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21",
              "frame": "CY2013Q1"
            },
            {
              "start": "2013-04-01",
              "end": "2013-06-30",
              "val": 7000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21"
            },
            {
              "start": "2013-04-01",
              "end": "2013-06-30",
              "val": 7000000,
              "accn": "0000712515-14-000039",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-08-05"
            },
            {
              "start": "2013-04-01",
              "end": "2013-06-30",
              "val": 7000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21",
              "frame": "CY2013Q2"
            },
            {
              "start": "2013-04-01",
              "end": "2013-09-30",
              "val": 37000000,
              "accn": "0000712515-13-000042",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-11-05"
            },
            {
              "start": "2013-04-01",
              "end": "2013-09-30",
              "val": -37000000,
              "accn": "0000712515-14-000063",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-11-04"
            },
            {
              "start": "2013-07-01",
              "end": "2013-09-30",
              "val": 44000000,
              "accn": "0000712515-13-000042",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-11-05"
            },
            {
              "start": "2013-07-01",
              "end": "2013-09-30",
              "val": -44000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21"
            },
            {
              "start": "2013-07-01",
              "end": "2013-09-30",
              "val": -44000000,
              "accn": "0000712515-14-000063",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-11-04"
            },
            {
              "start": "2013-07-01",
              "end": "2013-09-30",
              "val": -44000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21",
              "frame": "CY2013Q3"
            },
            {
              "start": "2013-04-01",
              "end": "2013-12-31",
              "val": -37000000,
              "accn": "0000712515-14-000009",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-02-04"
            },
            {
              "start": "2013-04-01",
              "end": "2013-12-31",
              "val": -37000000,
              "accn": "0000712515-15-000012",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-02-04"
            },
            {
              "start": "2013-10-01",
              "end": "2013-12-31",
              "val": 0,
              "accn": "0000712515-14-000009",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-02-04"
            },
            {
              "start": "2013-10-01",
              "end": "2013-12-31",
              "val": -1000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21"
            },
            {
              "start": "2013-10-01",
              "end": "2013-12-31",
              "val": 0,
              "accn": "0000712515-15-000012",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-02-04",
              "frame": "CY2013Q4"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": -35000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": -35000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": -35000000,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27",
              "frame": "CY2013"
            },
            {
              "start": "2014-04-01",
              "end": "2014-06-30",
              "val": -1000000,
              "accn": "0000712515-14-000039",
              "fy": 2015,
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              "accn": "0000712515-18-000059",
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            {
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              "frame": "CY2019"
            },
            {
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              "accn": "0000712515-20-000068",
              "fy": 2021,
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              "form": "10-Q",
              "filed": "2020-08-07",
              "frame": "CY2020Q2"
            },
            {
              "start": "2020-04-01",
              "end": "2020-09-30",
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            },
            {
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            },
            {
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            },
            {
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              "val": 0,
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            },
            {
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              "filed": "2022-05-25",
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            {
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      },
      "BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh": {
        "label": "Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High",
        "description": "For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.",
        "units": {
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              "val": 140000000,
              "accn": "0000712515-18-000008",
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            },
            {
              "end": "2018-03-31",
              "val": 140000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23",
              "frame": "CY2018Q1I"
            },
            {
              "end": "2018-06-30",
              "val": 140000000,
              "accn": "0000712515-18-000045",
              "fy": 2019,
              "fp": "Q1",
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            },
            {
              "end": "2018-09-30",
              "val": 140000000,
              "accn": "0000712515-18-000059",
              "fy": 2019,
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              "frame": "CY2018Q3I"
            },
            {
              "end": "2018-12-31",
              "val": 140000000,
              "accn": "0000712515-19-000004",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-02-06",
              "frame": "CY2018Q4I"
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          ]
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      },
      "BusinessCombinationContingentConsiderationLiability": {
        "label": "Business Combination, Contingent Consideration, Liability",
        "description": "Amount of liability recognized arising from contingent consideration in a business combination.",
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              "val": 122000000,
              "accn": "0000712515-18-000008",
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              "form": "10-Q",
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              "frame": "CY2017Q4I"
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            {
              "end": "2018-03-31",
              "val": 122000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
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              "filed": "2018-05-23",
              "frame": "CY2018Q1I"
            },
            {
              "end": "2018-06-30",
              "val": 122000000,
              "accn": "0000712515-18-000045",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-08-08",
              "frame": "CY2018Q2I"
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          ]
        }
      },
      "BusinessCombinationContingentConsiderationLiabilityCurrent": {
        "label": "Business Combination, Contingent Consideration, Liability, Current",
        "description": "Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.",
        "units": {
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            {
              "end": "2019-12-31",
              "val": 35000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04",
              "frame": "CY2019Q4I"
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      },
      "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles": {
        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles",
        "description": "The amount of identifiable intangible assets recognized as of the acquisition date.",
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              "val": 78000000,
              "accn": "0000712515-18-000008",
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              "form": "10-Q",
              "filed": "2018-02-06",
              "frame": "CY2017Q4I"
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            {
              "end": "2018-03-31",
              "val": 74000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23",
              "frame": "CY2018Q1I"
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            {
              "end": "2018-06-30",
              "val": 43000000,
              "accn": "0000712515-18-000045",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-08-08",
              "frame": "CY2018Q2I"
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      "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet": {
        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net",
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              "val": 28000000,
              "accn": "0000712515-18-000008",
              "fy": 2018,
              "fp": "Q3",
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              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23",
              "frame": "CY2018Q1I"
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        "label": "Business Exit Costs",
        "description": "Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.",
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              "form": "10-K",
              "filed": "2017-05-24",
              "frame": "CY2014"
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            {
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              "end": "2017-03-31",
              "val": 19000000,
              "accn": "0000712515-17-000035",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-05-24"
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              "end": "2017-03-31",
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              "filed": "2018-05-23"
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              "fp": "FY",
              "form": "10-K",
              "filed": "2019-05-24",
              "frame": "CY2016"
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        }
      },
      "CapitalExpendituresIncurredButNotYetPaid": {
        "label": "Capital Expenditures Incurred but Not yet Paid",
        "description": "Future cash outflow to pay for purchases of fixed assets that have occurred.",
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              "form": "10-Q",
              "filed": "2016-08-09",
              "frame": "CY2015Q2"
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              "val": -6000000,
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              "fy": 2017,
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              "form": "10-Q",
              "filed": "2016-11-08"
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              "start": "2015-04-01",
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              "val": -8000000,
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              "form": "10-Q",
              "filed": "2017-02-07"
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              "accn": "0000712515-16-000138",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-08-09"
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              "start": "2016-04-01",
              "end": "2016-06-30",
              "val": -13000000,
              "accn": "0000712515-17-000063",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-08-08",
              "frame": "CY2016Q2"
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              "start": "2016-04-01",
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              "val": -17000000,
              "accn": "0000712515-16-000149",
              "fy": 2017,
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              "filed": "2016-11-08"
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            {
              "start": "2016-04-01",
              "end": "2016-09-30",
              "val": -17000000,
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              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-11-07"
            },
            {
              "start": "2016-04-01",
              "end": "2016-12-31",
              "val": -16000000,
              "accn": "0000712515-17-000010",
              "fy": 2017,
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              "form": "10-Q",
              "filed": "2017-02-07"
            },
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              "accn": "0000712515-18-000008",
              "fy": 2018,
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              "form": "10-Q",
              "filed": "2018-02-06"
            },
            {
              "start": "2017-04-01",
              "end": "2017-06-30",
              "val": -6000000,
              "accn": "0000712515-17-000063",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-08-08",
              "frame": "CY2017Q2"
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              "start": "2017-04-01",
              "end": "2017-09-30",
              "val": -6000000,
              "accn": "0000712515-17-000078",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-11-07"
            },
            {
              "start": "2017-04-01",
              "end": "2017-12-31",
              "val": -13000000,
              "accn": "0000712515-18-000008",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-02-06"
            },
            {
              "start": "2017-04-01",
              "end": "2017-12-31",
              "val": -13000000,
              "accn": "0000712515-19-000004",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-02-06"
            },
            {
              "start": "2018-04-01",
              "end": "2018-06-30",
              "val": -8000000,
              "accn": "0000712515-19-000049",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-08-06",
              "frame": "CY2018Q2"
            },
            {
              "start": "2018-04-01",
              "end": "2018-09-30",
              "val": -11000000,
              "accn": "0000712515-19-000129",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-11-06"
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            {
              "start": "2018-04-01",
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              "val": -11000000,
              "accn": "0000712515-19-000004",
              "fy": 2019,
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              "form": "10-Q",
              "filed": "2019-02-06"
            },
            {
              "start": "2018-04-01",
              "end": "2018-12-31",
              "val": -11000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04"
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            {
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              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26",
              "frame": "CY2018"
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            {
              "start": "2019-04-01",
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              "val": -18000000,
              "accn": "0000712515-19-000049",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-08-06"
            },
            {
              "start": "2019-04-01",
              "end": "2019-06-30",
              "val": -18000000,
              "accn": "0000712515-20-000068",
              "fy": 2021,
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              "form": "10-Q",
              "filed": "2020-08-07",
              "frame": "CY2019Q2"
            },
            {
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              "val": -16000000,
              "accn": "0000712515-19-000129",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-11-06"
            },
            {
              "start": "2019-04-01",
              "end": "2019-09-30",
              "val": -16000000,
              "accn": "0000712515-20-000075",
              "fy": 2021,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-11-10"
            },
            {
              "start": "2019-04-01",
              "end": "2019-12-31",
              "val": -20000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04"
            },
            {
              "start": "2019-04-01",
              "end": "2019-12-31",
              "val": -20000000,
              "accn": "0000712515-21-000016",
              "fy": 2021,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2021-02-08"
            },
            {
              "start": "2019-04-01",
              "end": "2020-03-31",
              "val": -8000000,
              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26"
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            {
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              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-05-25",
              "frame": "CY2019"
            },
            {
              "start": "2020-04-01",
              "end": "2020-06-30",
              "val": -14000000,
              "accn": "0000712515-20-000068",
              "fy": 2021,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-08-07",
              "frame": "CY2020Q2"
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            {
              "start": "2020-04-01",
              "end": "2020-09-30",
              "val": -4000000,
              "accn": "0000712515-20-000075",
              "fy": 2021,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-11-10"
            },
            {
              "start": "2020-04-01",
              "end": "2020-12-31",
              "val": 1000000,
              "accn": "0000712515-21-000016",
              "fy": 2021,
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              "form": "10-Q",
              "filed": "2021-02-08"
            },
            {
              "start": "2020-04-01",
              "end": "2021-03-31",
              "val": 17000000,
              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
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              "filed": "2021-05-26"
            },
            {
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              "end": "2021-03-31",
              "val": 17000000,
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              "fy": 2022,
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              "fp": "FY",
              "form": "10-K",
              "filed": "2023-05-24",
              "frame": "CY2020"
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            {
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            {
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              "val": 19000000,
              "accn": "0000712515-22-000011",
              "fy": 2022,
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              "form": "10-K",
              "filed": "2022-05-25"
            },
            {
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              "val": 19000000,
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              "fy": 2024,
              "fp": "FY",
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              "frame": "CY2021"
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            {
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            {
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        }
      },
      "CashAndCashEquivalentsAtCarryingValue": {
        "label": "Cash and Cash Equivalents, at Carrying Value",
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            {
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              "end": "2024-12-31",
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            {
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            {
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            {
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              "filed": "2025-05-13"
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            {
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            {
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              "form": "10-Q",
              "filed": "2025-08-01"
            },
            {
              "start": "2025-04-01",
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              "val": 279000000,
              "accn": "0001628280-26-051829",
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            },
            {
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              "accn": "0001628280-25-047811",
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              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-10-31",
              "frame": "CY2025Q3"
            },
            {
              "start": "2025-04-01",
              "end": "2025-12-31",
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            },
            {
              "start": "2025-10-01",
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              "accn": "0001628280-26-005101",
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2026-02-03",
              "frame": "CY2025Q4"
            },
            {
              "start": "2025-04-01",
              "end": "2026-03-31",
              "val": 1584000000,
              "accn": "0001628280-26-033617",
              "fy": 2026,
              "fp": "FY",
              "form": "10-K",
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              "frame": "CY2025"
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            {
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              "val": 274000000,
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              "frame": "CY2026Q2"
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          ]
        }
      },
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        "label": "Cost of Services (Deprecated 2018-01-31)",
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-02-04"
            },
            {
              "start": "2013-10-01",
              "end": "2013-12-31",
              "val": 79000000,
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              "form": "10-Q",
              "filed": "2015-02-04",
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              "start": "2013-04-01",
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              "val": 315000000,
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              "form": "10-K",
              "filed": "2015-05-21"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": 315000000,
              "accn": "0000712515-16-000111",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27",
              "frame": "CY2013"
            },
            {
              "start": "2014-04-01",
              "end": "2014-06-30",
              "val": 115000000,
              "accn": "0000712515-15-000053",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-08-11",
              "frame": "CY2014Q2"
            },
            {
              "start": "2014-04-01",
              "end": "2014-09-30",
              "val": 195000000,
              "accn": "0000712515-15-000070",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-11-10"
            },
            {
              "start": "2014-07-01",
              "end": "2014-09-30",
              "val": 80000000,
              "accn": "0000712515-15-000070",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
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              "frame": "CY2014Q3"
            },
            {
              "start": "2014-04-01",
              "end": "2014-12-31",
              "val": 296000000,
              "accn": "0000712515-15-000012",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-02-04"
            },
            {
              "start": "2014-04-01",
              "end": "2014-12-31",
              "val": 296000000,
              "accn": "0000712515-16-000086",
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              "form": "10-Q",
              "filed": "2016-02-08"
            },
            {
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              "accn": "0000712515-15-000012",
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              "filed": "2015-02-04"
            },
            {
              "start": "2014-10-01",
              "end": "2014-12-31",
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              "accn": "0000712515-16-000086",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-02-08",
              "frame": "CY2014Q4"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 401000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 401000000,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 401000000,
              "accn": "0000712515-17-000035",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-05-24",
              "frame": "CY2014"
            },
            {
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              "end": "2015-06-30",
              "val": 79000000,
              "accn": "0000712515-15-000053",
              "fy": 2016,
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              "form": "10-Q",
              "filed": "2015-08-11"
            },
            {
              "start": "2015-04-01",
              "end": "2015-06-30",
              "val": 79000000,
              "accn": "0000712515-16-000138",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-08-09",
              "frame": "CY2015Q2"
            },
            {
              "start": "2015-04-01",
              "end": "2015-09-30",
              "val": 153000000,
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              "filed": "2015-11-10"
            },
            {
              "start": "2015-04-01",
              "end": "2015-09-30",
              "val": 153000000,
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              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-11-08"
            },
            {
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              "end": "2015-09-30",
              "val": 74000000,
              "accn": "0000712515-15-000070",
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            },
            {
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              "val": 74000000,
              "accn": "0000712515-16-000149",
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              "filed": "2016-11-08",
              "frame": "CY2015Q3"
            },
            {
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              "val": 260000000,
              "accn": "0000712515-16-000086",
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              "filed": "2016-02-08"
            },
            {
              "start": "2015-04-01",
              "end": "2015-12-31",
              "val": 260000000,
              "accn": "0000712515-17-000010",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-02-07"
            },
            {
              "start": "2015-10-01",
              "end": "2015-12-31",
              "val": 107000000,
              "accn": "0000712515-16-000086",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-02-08"
            },
            {
              "start": "2015-10-01",
              "end": "2015-12-31",
              "val": 107000000,
              "accn": "0000712515-17-000010",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-02-07",
              "frame": "CY2015Q4"
            },
            {
              "start": "2015-04-01",
              "end": "2016-03-31",
              "val": 416000000,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27"
            },
            {
              "start": "2015-04-01",
              "end": "2016-03-31",
              "val": 416000000,
              "accn": "0000712515-17-000035",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-05-24"
            },
            {
              "start": "2015-04-01",
              "end": "2016-03-31",
              "val": 416000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23",
              "frame": "CY2015"
            },
            {
              "start": "2016-04-01",
              "end": "2016-06-30",
              "val": 89000000,
              "accn": "0000712515-16-000138",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-08-09"
            },
            {
              "start": "2016-04-01",
              "end": "2016-06-30",
              "val": 89000000,
              "accn": "0000712515-17-000063",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-08-08",
              "frame": "CY2016Q2"
            },
            {
              "start": "2016-04-01",
              "end": "2016-09-30",
              "val": 173000000,
              "accn": "0000712515-16-000149",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-11-08"
            },
            {
              "start": "2016-04-01",
              "end": "2016-09-30",
              "val": 173000000,
              "accn": "0000712515-17-000078",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-11-07"
            },
            {
              "start": "2016-07-01",
              "end": "2016-09-30",
              "val": 84000000,
              "accn": "0000712515-16-000149",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-11-08"
            },
            {
              "start": "2016-07-01",
              "end": "2016-09-30",
              "val": 84000000,
              "accn": "0000712515-17-000078",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-11-07",
              "frame": "CY2016Q3"
            },
            {
              "start": "2016-04-01",
              "end": "2016-12-31",
              "val": 300000000,
              "accn": "0000712515-17-000010",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-02-07"
            },
            {
              "start": "2016-04-01",
              "end": "2016-12-31",
              "val": 300000000,
              "accn": "0000712515-18-000008",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-02-06"
            },
            {
              "start": "2016-10-01",
              "end": "2016-12-31",
              "val": 127000000,
              "accn": "0000712515-17-000010",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-02-07"
            },
            {
              "start": "2016-10-01",
              "end": "2016-12-31",
              "val": 127000000,
              "accn": "0000712515-18-000008",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-02-06",
              "frame": "CY2016Q4"
            },
            {
              "start": "2016-04-01",
              "end": "2017-03-31",
              "val": 405000000,
              "accn": "0000712515-17-000035",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-05-24"
            },
            {
              "start": "2016-04-01",
              "end": "2017-03-31",
              "val": 405000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23",
              "frame": "CY2016"
            },
            {
              "start": "2017-04-01",
              "end": "2017-06-30",
              "val": 90000000,
              "accn": "0000712515-17-000063",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-08-08",
              "frame": "CY2017Q2"
            },
            {
              "start": "2017-04-01",
              "end": "2017-09-30",
              "val": 179000000,
              "accn": "0000712515-17-000078",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-11-07"
            },
            {
              "start": "2017-07-01",
              "end": "2017-09-30",
              "val": 89000000,
              "accn": "0000712515-17-000078",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-11-07",
              "frame": "CY2017Q3"
            },
            {
              "start": "2017-04-01",
              "end": "2017-12-31",
              "val": 328000000,
              "accn": "0000712515-18-000008",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-02-06"
            },
            {
              "start": "2017-10-01",
              "end": "2017-12-31",
              "val": 149000000,
              "accn": "0000712515-18-000008",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-02-06",
              "frame": "CY2017Q4"
            },
            {
              "start": "2017-04-01",
              "end": "2018-03-31",
              "val": 455000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23",
              "frame": "CY2017"
            }
          ]
        }
      },
      "CumulativeEffectOfInitialAdoptionOfFIN48": {
        "label": "Cumulative Effect of Initial Adoption of FIN 48 (Deprecated 2011-01-31)",
        "description": "Cumulative net-of-tax effect of initial adoption of FIN 48 - Accounting for Uncertainty in Income Taxes on the opening balance of retained earnings. The cumulative-effect adjustment does not include items that would not be recognized in earnings, such as the effect of adopting this Interpretation on tax positions related to business combinations. The amount of that cumulative-effect adjustment is the difference between the net amount of assets and liabilities recognized in the statement of financial position prior to the application of this Interpretation and the net amount of assets and liabilities recognized as a result of applying the provisions of this Interpretation.",
        "units": {
          "USD": [
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              "end": "2008-03-31",
              "val": 33000000,
              "accn": "0000950130-10-001579",
              "fy": 2009,
              "fp": "FY",
              "form": "10-K",
              "filed": "2010-05-28",
              "frame": "CY2007"
            }
          ]
        }
      },
      "CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption": {
        "label": "Cumulative Effect of New Accounting Principle in Period of Adoption (Deprecated 2020-01-31)",
        "description": "Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.",
        "units": {
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              "end": "2017-04-01",
              "val": 1000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20",
              "frame": "CY2017Q1I"
            }
          ]
        }
      },
      "CumulativeEffectOnRetainedEarningsTax1": {
        "label": "Cumulative Effect on Retained Earnings, Tax (Deprecated 2020-01-31)",
        "description": "Amount of the related income tax effect of a cumulative effect on retained earnings.",
        "units": {
          "USD": [
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              "start": "2017-04-01",
              "end": "2018-03-31",
              "val": 1000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
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            },
            {
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              "end": "2018-03-31",
              "val": 1000000,
              "accn": "0000712515-19-000019",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-05-24",
              "frame": "CY2017"
            }
          ]
        }
      },
      "CurrentFederalTaxExpenseBenefit": {
        "label": "Current Federal Tax Expense (Benefit)",
        "description": "Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.",
        "units": {
          "USD": [
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              "end": "2009-03-31",
              "val": -15000000,
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              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2008"
            },
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              "filed": "2014-11-04",
              "frame": "CY2014Q1I"
            },
            {
              "end": "2014-06-30",
              "val": 633000000,
              "accn": "0000712515-14-000039",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-08-05",
              "frame": "CY2014Q2I"
            },
            {
              "end": "2014-09-30",
              "val": 633000000,
              "accn": "0000712515-14-000063",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-11-04",
              "frame": "CY2014Q3I"
            }
          ]
        }
      },
      "DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent": {
        "label": "Debt Instrument, Convertible, Carrying Amount of Equity Component",
        "description": "The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.",
        "units": {
          "USD": [
            {
              "end": "2011-09-30",
              "val": 105000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
              "val": 105000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 105000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "end": "2012-03-31",
              "val": 105000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03"
            },
            {
              "end": "2012-03-31",
              "val": 105000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06"
            },
            {
              "end": "2012-03-31",
              "val": 105000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05"
            },
            {
              "end": "2012-03-31",
              "val": 105000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
              "val": 105000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-09-30",
              "val": 105000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2012-12-31",
              "val": 105000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-03-31",
              "val": 105000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22"
            },
            {
              "end": "2013-03-31",
              "val": 105000000,
              "accn": "0000712515-13-000037",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-08-02"
            },
            {
              "end": "2013-03-31",
              "val": 105000000,
              "accn": "0000712515-13-000042",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-11-05"
            },
            {
              "end": "2013-03-31",
              "val": 105000000,
              "accn": "0000712515-14-000009",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-02-04"
            },
            {
              "end": "2013-03-31",
              "val": 105000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-06-30",
              "val": 105000000,
              "accn": "0000712515-13-000037",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-09-30",
              "val": 105000000,
              "accn": "0000712515-13-000042",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-11-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2013-12-31",
              "val": 105000000,
              "accn": "0000712515-14-000009",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-02-04",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-03-31",
              "val": 105000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21"
            },
            {
              "end": "2014-03-31",
              "val": 105000000,
              "accn": "0000712515-14-000039",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-08-05"
            },
            {
              "end": "2014-03-31",
              "val": 105000000,
              "accn": "0000712515-14-000063",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-11-04"
            },
            {
              "end": "2014-03-31",
              "val": 107000000,
              "accn": "0000712515-15-000012",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-02-04"
            },
            {
              "end": "2014-03-31",
              "val": 107000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21",
              "frame": "CY2014Q1I"
            },
            {
              "end": "2014-06-30",
              "val": 105000000,
              "accn": "0000712515-14-000039",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-08-05",
              "frame": "CY2014Q2I"
            },
            {
              "end": "2014-09-30",
              "val": 105000000,
              "accn": "0000712515-14-000063",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-11-04",
              "frame": "CY2014Q3I"
            },
            {
              "end": "2014-12-31",
              "val": 107000000,
              "accn": "0000712515-15-000012",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-02-04",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-03-31",
              "val": 107000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21"
            },
            {
              "end": "2015-03-31",
              "val": 107000000,
              "accn": "0000712515-15-000053",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-08-11"
            },
            {
              "end": "2015-03-31",
              "val": 107000000,
              "accn": "0000712515-15-000070",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-11-10"
            },
            {
              "end": "2015-03-31",
              "val": 107000000,
              "accn": "0000712515-16-000086",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-02-08",
              "frame": "CY2015Q1I"
            },
            {
              "end": "2015-06-30",
              "val": 107000000,
              "accn": "0000712515-15-000053",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-08-11",
              "frame": "CY2015Q2I"
            },
            {
              "end": "2015-09-30",
              "val": 107000000,
              "accn": "0000712515-15-000070",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-11-10",
              "frame": "CY2015Q3I"
            },
            {
              "end": "2015-12-31",
              "val": 107000000,
              "accn": "0000712515-16-000086",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-02-08",
              "frame": "CY2015Q4I"
            }
          ]
        }
      },
      "DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal": {
        "label": "Debt Instrument, Convertible, If-converted Value in Excess of Principal",
        "description": "The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.",
        "units": {
          "USD": [
            {
              "start": "2014-10-01",
              "end": "2014-12-31",
              "val": 331000000,
              "accn": "0000712515-15-000012",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-02-04",
              "frame": "CY2014Q4"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 528000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21",
              "frame": "CY2014"
            },
            {
              "start": "2015-04-01",
              "end": "2015-06-30",
              "val": 718000000,
              "accn": "0000712515-15-000053",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-08-11",
              "frame": "CY2015Q2"
            },
            {
              "start": "2015-04-01",
              "end": "2015-09-30",
              "val": 476000000,
              "accn": "0000712515-15-000070",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-11-10"
            },
            {
              "start": "2015-04-01",
              "end": "2015-12-31",
              "val": 395000000,
              "accn": "0000712515-16-000086",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-02-08"
            }
          ]
        }
      },
      "DebtInstrumentConvertibleInterestExpense": {
        "label": "Debt Instrument, Convertible, Interest Expense (Deprecated 2013-01-31)",
        "description": "Interest expense related to convertible debt instruments which has been recognized for the period, including the contractual interest coupon and amortization of the debt discount, if any.",
        "units": {
          "USD": [
            {
              "start": "2011-04-01",
              "end": "2011-09-30",
              "val": 6000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "start": "2011-04-01",
              "end": "2011-09-30",
              "val": 6000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06"
            },
            {
              "start": "2011-07-01",
              "end": "2011-09-30",
              "val": 6000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06",
              "frame": "CY2011Q3"
            },
            {
              "start": "2011-04-01",
              "end": "2011-12-31",
              "val": 12000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "start": "2011-10-01",
              "end": "2011-12-31",
              "val": 6000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07",
              "frame": "CY2011Q4"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 19000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2011"
            },
            {
              "start": "2012-04-01",
              "end": "2012-06-30",
              "val": 7000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q2"
            },
            {
              "start": "2012-04-01",
              "end": "2012-09-30",
              "val": 14000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06"
            },
            {
              "start": "2012-07-01",
              "end": "2012-09-30",
              "val": 7000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06",
              "frame": "CY2012Q3"
            }
          ]
        }
      },
      "DebtInstrumentConvertibleNumberOfEquityInstruments": {
        "label": "Debt Instrument, Convertible, Number of Equity Instruments",
        "description": "The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.",
        "units": {
          "shares": [
            {
              "start": "2015-04-01",
              "end": "2015-06-30",
              "val": 3000000,
              "accn": "0000712515-15-000053",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-08-11",
              "frame": "CY2015Q2"
            },
            {
              "start": "2015-04-01",
              "end": "2015-09-30",
              "val": 2000000,
              "accn": "0000712515-15-000070",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-11-10"
            },
            {
              "start": "2015-04-01",
              "end": "2015-12-31",
              "val": 3000000,
              "accn": "0000712515-16-000086",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-02-08"
            }
          ]
        }
      },
      "DebtInstrumentInterestRateStatedPercentage": {
        "label": "Debt Instrument, Interest Rate, Stated Percentage",
        "description": "Contractual interest rate for funds borrowed, under the debt agreement.",
        "units": {
          "pure": [
            {
              "end": "2011-09-30",
              "val": 0.0075,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
              "val": 0.0075,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 0.0075,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "end": "2012-03-31",
              "val": 0.0075,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-03-31",
              "val": 0.0075,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05"
            },
            {
              "end": "2012-03-31",
              "val": 0.0075,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06"
            },
            {
              "end": "2012-03-31",
              "val": 0.0075,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03"
            },
            {
              "end": "2012-06-30",
              "val": 0.0075,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-09-30",
              "val": 0.0075,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2012-12-31",
              "val": 0.0075,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-03-31",
              "val": 0.0075,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-03-31",
              "val": 0.0075,
              "accn": "0000712515-14-000009",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-02-04"
            },
            {
              "end": "2013-03-31",
              "val": 0.0075,
              "accn": "0000712515-13-000042",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-11-05"
            },
            {
              "end": "2013-03-31",
              "val": 0.0075,
              "accn": "0000712515-13-000037",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-08-02"
            },
            {
              "end": "2013-03-31",
              "val": 0.0075,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22"
            },
            {
              "end": "2013-06-30",
              "val": 0.0075,
              "accn": "0000712515-13-000037",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-09-30",
              "val": 0.0075,
              "accn": "0000712515-13-000042",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-11-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2013-12-31",
              "val": 0.0075,
              "accn": "0000712515-14-000009",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-02-04",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-03-31",
              "val": 0.0075,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21",
              "frame": "CY2014Q1I"
            }
          ]
        }
      },
      "DebtInstrumentPeriodicPaymentPrincipal": {
        "label": "Debt Instrument, Periodic Payment, Principal",
        "description": "Amount of the required periodic payments applied to principal.",
        "units": {
          "USD": [
            {
              "start": "2015-04-01",
              "end": "2015-09-30",
              "val": 170000000,
              "accn": "0000712515-15-000053",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-08-11"
            }
          ]
        }
      },
      "DebtInstrumentUnamortizedDiscountPremiumNet": {
        "label": "Debt Instrument, Unamortized Discount (Premium), Net",
        "description": "Amount, after accumulated amortization, of debt discount (premium).",
        "units": {
          "USD": [
            {
              "end": "2011-09-30",
              "val": -104000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
              "val": 99000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 94000000,
              "accn": "0001193125-12-249324",
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            {
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            },
            {
              "end": "2018-03-31",
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              "val": 1000000,
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              "val": 1000000,
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            },
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              "end": "2018-09-30",
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              "frame": "CY2018Q3I"
            },
            {
              "end": "2018-12-31",
              "val": 1000000,
              "accn": "0000712515-19-000004",
              "fy": 2019,
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            {
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              "accn": "0000712515-19-000049",
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              "accn": "0000712515-19-000129",
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            },
            {
              "end": "2019-03-31",
              "val": 2000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 2000000,
              "accn": "0000712515-19-000049",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-08-06",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 2000000,
              "accn": "0000712515-19-000129",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-11-06",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 2000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04",
              "frame": "CY2019Q4I"
            }
          ]
        }
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        "label": "Deferred Tax Liabilities, Other",
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              "val": 13000000,
              "accn": "0001193125-11-149262",
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              "filed": "2011-05-24",
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            {
              "end": "2011-03-31",
              "val": 27000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
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              "filed": "2011-05-24"
            },
            {
              "end": "2011-03-31",
              "val": 27000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
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              "filed": "2012-05-25",
              "frame": "CY2011Q1I"
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            {
              "end": "2012-03-31",
              "val": 22000000,
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              "val": 22000000,
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              "filed": "2013-05-22"
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              "fy": 2013,
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              "filed": "2015-05-21"
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              "frame": "CY2017Q1I"
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              "val": 2000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
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              "form": "10-K",
              "filed": "2018-05-23"
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            {
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              "val": 2000000,
              "accn": "0000712515-19-000019",
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              "fp": "FY",
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              "accn": "0000712515-19-000019",
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              "accn": "0000712515-20-000019",
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              "filed": "2020-05-20",
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              "fy": 2021,
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              "filed": "2021-05-26"
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              "filed": "2022-05-25",
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              "filed": "2026-05-11",
              "frame": "CY2025Q1I"
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              "val": 6000000,
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              "val": 19000000,
              "accn": "0001193125-11-149262",
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          ]
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              "form": "10-Q",
              "filed": "2011-08-09",
              "frame": "CY2010Q2"
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            {
              "start": "2010-04-01",
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            {
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              "form": "10-K",
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              "frame": "CY2010"
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            {
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              "end": "2011-03-31",
              "val": 69000000,
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              "frame": "CY2013Q3I"
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              "filed": "2014-05-21",
              "frame": "CY2014Q1I"
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              "frame": "CY2014Q3I"
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              "fy": 2015,
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              "frame": "CY2015Q2I"
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            {
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              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27",
              "frame": "CY2016Q1I"
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              "val": 17000000,
              "accn": "0000712515-16-000138",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-08-09",
              "frame": "CY2016Q2I"
            },
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              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 38000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 38000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2009"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 21000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 21000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 21000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2010"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": -6000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": -6000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": -6000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21",
              "frame": "CY2011"
            },
            {
              "start": "2012-04-01",
              "end": "2013-03-31",
              "val": 35000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22"
            },
            {
              "start": "2012-04-01",
              "end": "2013-03-31",
              "val": 35000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21"
            },
            {
              "start": "2012-04-01",
              "end": "2013-03-31",
              "val": 35000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21",
              "frame": "CY2012"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": 11000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": 11000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": 11000000,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27",
              "frame": "CY2013"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 23000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 23000000,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 23000000,
              "accn": "0000712515-17-000035",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-05-24",
              "frame": "CY2014"
            },
            {
              "start": "2015-04-01",
              "end": "2016-03-31",
              "val": 37000000,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27"
            },
            {
              "start": "2015-04-01",
              "end": "2016-03-31",
              "val": 37000000,
              "accn": "0000712515-17-000035",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-05-24"
            },
            {
              "start": "2015-04-01",
              "end": "2016-03-31",
              "val": 37000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23",
              "frame": "CY2015"
            },
            {
              "start": "2016-04-01",
              "end": "2017-03-31",
              "val": 49000000,
              "accn": "0000712515-17-000035",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-05-24"
            },
            {
              "start": "2016-04-01",
              "end": "2017-03-31",
              "val": 49000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23"
            },
            {
              "start": "2016-04-01",
              "end": "2017-03-31",
              "val": 49000000,
              "accn": "0000712515-19-000019",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-05-24",
              "frame": "CY2016"
            },
            {
              "start": "2017-04-01",
              "end": "2018-03-31",
              "val": 58000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23"
            },
            {
              "start": "2017-04-01",
              "end": "2018-03-31",
              "val": 58000000,
              "accn": "0000712515-19-000019",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-05-24"
            },
            {
              "start": "2017-04-01",
              "end": "2018-03-31",
              "val": 58000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20",
              "frame": "CY2017"
            },
            {
              "start": "2018-04-01",
              "end": "2019-03-31",
              "val": 44000000,
              "accn": "0000712515-19-000019",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-05-24"
            },
            {
              "start": "2018-04-01",
              "end": "2019-03-31",
              "val": 44000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20"
            },
            {
              "start": "2018-04-01",
              "end": "2019-03-31",
              "val": 44000000,
              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26",
              "frame": "CY2018"
            },
            {
              "start": "2019-04-01",
              "end": "2020-03-31",
              "val": -1812000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20"
            },
            {
              "start": "2019-04-01",
              "end": "2020-03-31",
              "val": -1812000000,
              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26"
            },
            {
              "start": "2019-04-01",
              "end": "2020-03-31",
              "val": -1812000000,
              "accn": "0000712515-22-000011",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-05-25",
              "frame": "CY2019"
            },
            {
              "start": "2020-04-01",
              "end": "2021-03-31",
              "val": -67000000,
              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26"
            },
            {
              "start": "2020-04-01",
              "end": "2021-03-31",
              "val": -67000000,
              "accn": "0000712515-22-000011",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-05-25"
            },
            {
              "start": "2020-04-01",
              "end": "2021-03-31",
              "val": -67000000,
              "accn": "0000712515-23-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-05-24",
              "frame": "CY2020"
            },
            {
              "start": "2021-04-01",
              "end": "2022-03-31",
              "val": 269000000,
              "accn": "0000712515-22-000011",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-05-25"
            },
            {
              "start": "2021-04-01",
              "end": "2022-03-31",
              "val": 269000000,
              "accn": "0000712515-23-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-05-24"
            },
            {
              "start": "2021-04-01",
              "end": "2022-03-31",
              "val": 269000000,
              "accn": "0000712515-24-000023",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-05-22",
              "frame": "CY2021"
            },
            {
              "start": "2022-04-01",
              "end": "2023-03-31",
              "val": 277000000,
              "accn": "0000712515-23-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-05-24"
            },
            {
              "start": "2022-04-01",
              "end": "2023-03-31",
              "val": 277000000,
              "accn": "0000712515-24-000023",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-05-22"
            },
            {
              "start": "2022-04-01",
              "end": "2023-03-31",
              "val": 277000000,
              "accn": "0000712515-25-000022",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-05-13",
              "frame": "CY2022"
            },
            {
              "start": "2023-04-01",
              "end": "2024-03-31",
              "val": 64000000,
              "accn": "0000712515-24-000023",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-05-22"
            },
            {
              "start": "2023-04-01",
              "end": "2024-03-31",
              "val": 64000000,
              "accn": "0000712515-25-000022",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-05-13"
            },
            {
              "start": "2023-04-01",
              "end": "2024-03-31",
              "val": 64000000,
              "accn": "0001628280-26-033617",
              "fy": 2026,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-05-11",
              "frame": "CY2023"
            },
            {
              "start": "2024-04-01",
              "end": "2025-03-31",
              "val": 226000000,
              "accn": "0000712515-25-000022",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-05-13"
            },
            {
              "start": "2024-04-01",
              "end": "2025-03-31",
              "val": 226000000,
              "accn": "0001628280-26-033617",
              "fy": 2026,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-05-11",
              "frame": "CY2024"
            },
            {
              "start": "2025-04-01",
              "end": "2026-03-31",
              "val": 172000000,
              "accn": "0001628280-26-033617",
              "fy": 2026,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-05-11",
              "frame": "CY2025"
            }
          ]
        }
      },
      "FurnitureAndFixturesGross": {
        "label": "Furniture and Fixtures, Gross",
        "description": "Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.",
        "units": {
          "USD": [
            {
              "end": "2009-06-30",
              "val": 71000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2009Q2I"
            },
            {
              "end": "2010-03-31",
              "val": 71000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2010Q1I"
            },
            {
              "end": "2010-03-31",
              "val": 71000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07"
            },
            {
              "end": "2010-03-31",
              "val": 71000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08"
            },
            {
              "end": "2010-06-30",
              "val": 66000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-09-30",
              "val": 64000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
              "val": 66000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-03-31",
              "val": 67000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2011Q1I"
            },
            {
              "end": "2011-03-31",
              "val": 67000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "end": "2011-03-31",
              "val": 67000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "end": "2011-03-31",
              "val": 67000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09"
            },
            {
              "end": "2011-03-31",
              "val": 67000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "end": "2011-06-30",
              "val": 68000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09",
              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
              "val": 68000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
              "val": 69000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 72000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "end": "2012-03-31",
              "val": 72000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
              "val": 71000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q2I"
            }
          ]
        }
      },
      "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": "2011-04-01",
              "end": "2012-03-31",
              "val": 70000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2011"
            }
          ]
        }
      },
      "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": "2011-04-01",
              "end": "2011-06-30",
              "val": 37000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09",
              "frame": "CY2011Q2"
            },
            {
              "start": "2011-04-01",
              "end": "2011-09-30",
              "val": 44000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "start": "2011-04-01",
              "end": "2011-12-31",
              "val": 21000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            }
          ]
        }
      },
      "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": "2010-04-01",
              "end": "2011-03-31",
              "val": 6000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2010"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 42000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2011"
            }
          ]
        }
      },
      "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": "2010-04-01",
              "end": "2011-03-31",
              "val": 15000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2010"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 50000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2011"
            }
          ]
        }
      },
      "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": "2010-04-01",
              "end": "2011-03-31",
              "val": 51000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2010"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 78000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2011"
            }
          ]
        }
      },
      "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": "2010-04-01",
              "end": "2011-03-31",
              "val": 19000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2010"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 62000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2011"
            }
          ]
        }
      },
      "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": "2010-04-01",
              "end": "2011-03-31",
              "val": 28000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2010"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 67000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2011"
            }
          ]
        }
      },
      "GainFromComponentsExcludedFromAssessmentOfCashFlowHedgeEffectiveness": {
        "label": "Gain from Components Excluded from Assessment of Cash Flow Hedge Effectiveness",
        "description": "The gain relating to components of the gain (loss) on the cash flow hedging instrument excluded from the assessment of cash flow hedge effectiveness. Recognized in earnings.",
        "units": {
          "USD": [
            {
              "start": "2018-04-01",
              "end": "2018-06-30",
              "val": 7000000,
              "accn": "0000712515-19-000049",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-08-06",
              "frame": "CY2018Q2"
            },
            {
              "start": "2018-04-01",
              "end": "2018-09-30",
              "val": 14000000,
              "accn": "0000712515-19-000129",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-11-06"
            },
            {
              "start": "2018-07-01",
              "end": "2018-09-30",
              "val": 7000000,
              "accn": "0000712515-19-000129",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-11-06",
              "frame": "CY2018Q3"
            },
            {
              "start": "2018-04-01",
              "end": "2018-12-31",
              "val": 20000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04"
            },
            {
              "start": "2018-10-01",
              "end": "2018-12-31",
              "val": 6000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04",
              "frame": "CY2018Q4"
            }
          ]
        }
      },
      "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": "2008-04-01",
              "end": "2009-03-31",
              "val": 34000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2008"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 10000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 10000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2009"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": -12000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": -12000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 12000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2010"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 21000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": -21000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 21000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21",
              "frame": "CY2011"
            },
            {
              "start": "2012-04-01",
              "end": "2013-03-31",
              "val": 2000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22"
            },
            {
              "start": "2012-04-01",
              "end": "2013-03-31",
              "val": -2000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21"
            },
            {
              "start": "2012-04-01",
              "end": "2013-03-31",
              "val": -2000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21",
              "frame": "CY2012"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": -5000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": -5000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": -5000000,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27",
              "frame": "CY2013"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 59000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 59000000,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 59000000,
              "accn": "0000712515-17-000035",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-05-24",
              "frame": "CY2014"
            },
            {
              "start": "2015-04-01",
              "end": "2016-03-31",
              "val": 15000000,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27"
            },
            {
              "start": "2015-04-01",
              "end": "2016-03-31",
              "val": 15000000,
              "accn": "0000712515-17-000035",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-05-24"
            },
            {
              "start": "2015-04-01",
              "end": "2016-03-31",
              "val": 15000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23",
              "frame": "CY2015"
            },
            {
              "start": "2016-04-01",
              "end": "2017-03-31",
              "val": 46000000,
              "accn": "0000712515-17-000035",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-05-24"
            },
            {
              "start": "2016-04-01",
              "end": "2017-03-31",
              "val": 46000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23"
            },
            {
              "start": "2016-04-01",
              "end": "2017-03-31",
              "val": 46000000,
              "accn": "0000712515-19-000019",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-05-24",
              "frame": "CY2016"
            },
            {
              "start": "2017-04-01",
              "end": "2018-03-31",
              "val": -16000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23"
            },
            {
              "start": "2017-04-01",
              "end": "2018-03-31",
              "val": -16000000,
              "accn": "0000712515-19-000019",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-05-24"
            },
            {
              "start": "2017-04-01",
              "end": "2018-03-31",
              "val": -16000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20",
              "frame": "CY2017"
            },
            {
              "start": "2018-04-01",
              "end": "2019-03-31",
              "val": 50000000,
              "accn": "0000712515-19-000019",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-05-24"
            },
            {
              "start": "2018-04-01",
              "end": "2019-03-31",
              "val": 50000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20"
            },
            {
              "start": "2018-04-01",
              "end": "2019-03-31",
              "val": 50000000,
              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26",
              "frame": "CY2018"
            },
            {
              "start": "2019-04-01",
              "end": "2020-03-31",
              "val": -4000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20"
            },
            {
              "start": "2019-04-01",
              "end": "2020-03-31",
              "val": -4000000,
              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26"
            },
            {
              "start": "2019-04-01",
              "end": "2020-03-31",
              "val": -4000000,
              "accn": "0000712515-22-000011",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-05-25",
              "frame": "CY2019"
            },
            {
              "start": "2020-04-01",
              "end": "2021-03-31",
              "val": -19000000,
              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26"
            },
            {
              "start": "2020-04-01",
              "end": "2021-03-31",
              "val": -19000000,
              "accn": "0000712515-22-000011",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-05-25"
            },
            {
              "start": "2020-04-01",
              "end": "2021-03-31",
              "val": -19000000,
              "accn": "0000712515-23-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-05-24",
              "frame": "CY2020"
            },
            {
              "start": "2021-04-01",
              "end": "2022-03-31",
              "val": 21000000,
              "accn": "0000712515-22-000011",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-05-25"
            },
            {
              "start": "2021-04-01",
              "end": "2022-03-31",
              "val": 21000000,
              "accn": "0000712515-23-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-05-24"
            },
            {
              "start": "2021-04-01",
              "end": "2022-03-31",
              "val": 21000000,
              "accn": "0000712515-24-000023",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-05-22",
              "frame": "CY2021"
            },
            {
              "start": "2022-04-01",
              "end": "2023-03-31",
              "val": -29000000,
              "accn": "0000712515-23-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-05-24"
            },
            {
              "start": "2022-04-01",
              "end": "2023-03-31",
              "val": -29000000,
              "accn": "0000712515-24-000023",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-05-22"
            },
            {
              "start": "2022-04-01",
              "end": "2023-03-31",
              "val": -29000000,
              "accn": "0000712515-25-000022",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-05-13",
              "frame": "CY2022"
            },
            {
              "start": "2023-04-01",
              "end": "2024-03-31",
              "val": 12000000,
              "accn": "0000712515-24-000023",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-05-22"
            },
            {
              "start": "2023-04-01",
              "end": "2024-03-31",
              "val": 12000000,
              "accn": "0000712515-25-000022",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-05-13"
            },
            {
              "start": "2023-04-01",
              "end": "2024-03-31",
              "val": 12000000,
              "accn": "0001628280-26-033617",
              "fy": 2026,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-05-11",
              "frame": "CY2023"
            },
            {
              "start": "2024-04-01",
              "end": "2025-03-31",
              "val": 45000000,
              "accn": "0000712515-25-000022",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-05-13"
            },
            {
              "start": "2024-04-01",
              "end": "2025-03-31",
              "val": 45000000,
              "accn": "0001628280-26-033617",
              "fy": 2026,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-05-11",
              "frame": "CY2024"
            },
            {
              "start": "2025-04-01",
              "end": "2026-03-31",
              "val": -10000000,
              "accn": "0001628280-26-033617",
              "fy": 2026,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-05-11",
              "frame": "CY2025"
            }
          ]
        }
      },
      "GainLossOnInvestments": {
        "label": "Gain (Loss) on Investments",
        "description": "Amount of realized and unrealized gain (loss) on investment.",
        "units": {
          "USD": [
            {
              "start": "2012-04-01",
              "end": "2013-03-31",
              "val": 37000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21",
              "frame": "CY2012"
            },
            {
              "start": "2013-04-01",
              "end": "2013-12-31",
              "val": -1000000,
              "accn": "0000712515-15-000012",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-02-04"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": -2000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": -2000000,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27",
              "frame": "CY2013"
            },
            {
              "start": "2014-04-01",
              "end": "2014-12-31",
              "val": 0,
              "accn": "0000712515-15-000012",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-02-04"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 0,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 0,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27",
              "frame": "CY2014"
            },
            {
              "start": "2015-04-01",
              "end": "2016-03-31",
              "val": 0,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27",
              "frame": "CY2015"
            }
          ]
        }
      },
      "GainOnSaleOfInvestments": {
        "label": "Gain on Sale of Investments",
        "description": "The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the sale.",
        "units": {
          "USD": [
            {
              "start": "2012-10-01",
              "end": "2012-12-31",
              "val": 14000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05",
              "frame": "CY2012Q4"
            },
            {
              "start": "2013-01-01",
              "end": "2013-01-31",
              "val": 25000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05"
            }
          ]
        }
      },
      "GainsLossesOnExtinguishmentOfDebt": {
        "label": "Gain (Loss) on Extinguishment of Debt",
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              "end": "2016-03-31",
              "val": 1000000,
              "accn": "0000712515-16-000149",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-11-08"
            },
            {
              "end": "2016-03-31",
              "val": 1000000,
              "accn": "0000712515-17-000010",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-02-07",
              "frame": "CY2016Q1I"
            },
            {
              "end": "2016-06-30",
              "val": 0,
              "accn": "0000712515-16-000138",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-08-09",
              "frame": "CY2016Q2I"
            },
            {
              "end": "2016-09-30",
              "val": 9000000,
              "accn": "0000712515-16-000149",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-11-08",
              "frame": "CY2016Q3I"
            },
            {
              "end": "2016-12-31",
              "val": 1000000,
              "accn": "0000712515-17-000010",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-02-07",
              "frame": "CY2016Q4I"
            }
          ]
        }
      },
      "Land": {
        "label": "Land",
        "description": "Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.",
        "units": {
          "USD": [
            {
              "end": "2009-06-30",
              "val": 65000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2009Q2I"
            },
            {
              "end": "2010-03-31",
              "val": 65000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2010Q1I"
            },
            {
              "end": "2010-03-31",
              "val": 65000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07"
            },
            {
              "end": "2010-03-31",
              "val": 65000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08"
            },
            {
              "end": "2010-06-30",
              "val": 64000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-09-30",
              "val": 65000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
              "val": 65000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-03-31",
              "val": 66000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2011Q1I"
            },
            {
              "end": "2011-03-31",
              "val": 66000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "end": "2011-03-31",
              "val": 66000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "end": "2011-03-31",
              "val": 66000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09"
            },
            {
              "end": "2011-03-31",
              "val": 66000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "end": "2011-06-30",
              "val": 66000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09",
              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
              "val": 63000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
              "val": 63000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 64000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "end": "2012-03-31",
              "val": 64000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
              "val": 63000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q2I"
            }
          ]
        }
      },
      "LeaseAndRentalExpense": {
        "label": "Operating Leases, Rent Expense",
        "description": "Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.",
        "units": {
          "USD": [
            {
              "start": "2008-04-01",
              "end": "2009-03-31",
              "val": 98000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2008"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 91000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 91000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2009"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 96000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 96000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 96000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2010"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 139000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 139000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2011"
            },
            {
              "start": "2012-04-01",
              "end": "2013-03-31",
              "val": 155000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22"
            },
            {
              "start": "2012-04-01",
              "end": "2013-03-31",
              "val": 94000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21",
              "frame": "CY2012"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": 97000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": 97000000,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27",
              "frame": "CY2013"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 97000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 97000000,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27"
            },
            {
              "start": "2014-04-01",
              "end": "2015-03-31",
              "val": 97000000,
              "accn": "0000712515-17-000035",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-05-24",
              "frame": "CY2014"
            },
            {
              "start": "2015-04-01",
              "end": "2016-03-31",
              "val": 89000000,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27"
            },
            {
              "start": "2015-04-01",
              "end": "2016-03-31",
              "val": 89000000,
              "accn": "0000712515-17-000035",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-05-24"
            },
            {
              "start": "2015-04-01",
              "end": "2016-03-31",
              "val": 89000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23",
              "frame": "CY2015"
            },
            {
              "start": "2016-04-01",
              "end": "2017-03-31",
              "val": 91000000,
              "accn": "0000712515-17-000035",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-05-24"
            },
            {
              "start": "2016-04-01",
              "end": "2017-03-31",
              "val": 91000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23"
            },
            {
              "start": "2016-04-01",
              "end": "2017-03-31",
              "val": 91000000,
              "accn": "0000712515-19-000019",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-05-24",
              "frame": "CY2016"
            },
            {
              "start": "2017-04-01",
              "end": "2018-03-31",
              "val": 92000000,
              "accn": "0000712515-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-05-23"
            },
            {
              "start": "2017-04-01",
              "end": "2018-03-31",
              "val": 92000000,
              "accn": "0000712515-19-000019",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-05-24",
              "frame": "CY2017"
            },
            {
              "start": "2018-04-01",
              "end": "2019-03-31",
              "val": 100000000,
              "accn": "0000712515-19-000019",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-05-24",
              "frame": "CY2018"
            }
          ]
        }
      },
      "LeaseholdImprovementsGross": {
        "label": "Leasehold Improvements, Gross",
        "description": "Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.",
        "units": {
          "USD": [
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              "end": "2009-06-30",
              "val": 99000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2009Q2I"
            },
            {
              "end": "2010-03-31",
              "val": 99000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2010Q1I"
            },
            {
              "end": "2010-03-31",
              "val": 99000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07"
            },
            {
              "end": "2010-03-31",
              "val": 99000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08"
            },
            {
              "end": "2010-06-30",
              "val": 98000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-09-30",
              "val": 102000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
              "val": 102000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-03-31",
              "val": 105000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2011Q1I"
            },
            {
              "end": "2011-03-31",
              "val": 105000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "end": "2011-03-31",
              "val": 105000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "end": "2011-03-31",
              "val": 105000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09"
            },
            {
              "end": "2011-03-31",
              "val": 105000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "end": "2011-06-30",
              "val": 106000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09",
              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
              "val": 112000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
              "val": 113000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 121000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "end": "2012-03-31",
              "val": 121000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
              "val": 122000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q2I"
            }
          ]
        }
      },
      "LesseeOperatingLeaseLiabilityPaymentsDue": {
        "label": "Lessee, Operating Lease, Liability, to be Paid",
        "description": "Amount of lessee's undiscounted obligation for lease payment for operating lease.",
        "units": {
          "USD": [
            {
              "end": "2019-06-30",
              "val": 265000000,
              "accn": "0000712515-19-000049",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-08-06",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 276000000,
              "accn": "0000712515-19-000129",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-11-06",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 263000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-03-31",
              "val": 242000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20",
              "frame": "CY2020Q1I"
            },
            {
              "end": "2021-03-31",
              "val": 308000000,
              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26",
              "frame": "CY2021Q1I"
            },
            {
              "end": "2022-03-31",
              "val": 385000000,
              "accn": "0000712515-22-000011",
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              "form": "10-K",
              "filed": "2022-05-25",
              "frame": "CY2022Q1I"
            },
            {
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              "val": 387000000,
              "accn": "0000712515-23-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-05-24",
              "frame": "CY2023Q1I"
            },
            {
              "end": "2024-03-31",
              "val": 356000000,
              "accn": "0000712515-24-000023",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-05-22",
              "frame": "CY2024Q1I"
            },
            {
              "end": "2025-03-31",
              "val": 383000000,
              "accn": "0000712515-25-000022",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-05-13",
              "frame": "CY2025Q1I"
            },
            {
              "end": "2026-03-31",
              "val": 434000000,
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              "fy": 2026,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-05-11",
              "frame": "CY2026Q1I"
            }
          ]
        }
      },
      "LesseeOperatingLeaseLiabilityPaymentsDueYearFive": {
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year Five",
        "description": "Amount of lessee's undiscounted obligation for lease payment for operating 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": {
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              "end": "2019-06-30",
              "val": 29000000,
              "accn": "0000712515-19-000049",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-08-06",
              "frame": "CY2019Q2I"
            },
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              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-08-05"
            },
            {
              "start": "2013-04-01",
              "end": "2014-03-31",
              "val": 30000000,
              "accn": "0000712515-14-000063",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-11-04",
              "frame": "CY2013"
            },
            {
              "start": "2015-04-01",
              "end": "2015-06-30",
              "val": 30000000,
              "accn": "0000712515-15-000053",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-08-11"
            },
            {
              "start": "2015-04-01",
              "end": "2015-06-30",
              "val": 30000000,
              "accn": "0000712515-15-000070",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-11-10",
              "frame": "CY2015Q2"
            }
          ]
        }
      },
      "LossContingencyAccrualCarryingValuePeriodIncreaseDecrease": {
        "label": "Loss Contingency Accrual, Period Increase (Decrease)",
        "description": "Amount of increase (decrease) in loss contingency liability.",
        "units": {
          "USD": [
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 27000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 27000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2012Q1"
            }
          ]
        }
      },
      "LossOnContractTermination": {
        "label": "Loss on Contract Termination",
        "description": "The loss recognized on termination of a contract.",
        "units": {
          "USD": [
            {
              "start": "2013-04-01",
              "end": "2013-09-30",
              "val": 27000000,
              "accn": "0000712515-14-000063",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-11-04"
            },
            {
              "start": "2013-04-01",
              "end": "2013-12-31",
              "val": 27000000,
              "accn": "0000712515-15-000012",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-02-04"
            }
          ]
        }
      },
      "MarketableSecuritiesRealizedGainLoss": {
        "label": "Marketable Securities, Realized Gain (Loss)",
        "description": "Amount of realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).",
        "units": {
          "USD": [
            {
              "start": "2010-04-01",
              "end": "2010-06-30",
              "val": 3000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2"
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          ]
        }
      },
      "MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount": {
        "label": "Marketable Securities, Realized Loss, Other than Temporary Impairments, Amount (Deprecated 2018-01-31)",
        "description": "This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities.",
        "units": {
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              "end": "2009-06-30",
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              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2009Q2"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 26000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2009"
            },
            {
              "start": "2010-04-01",
              "end": "2010-06-30",
              "val": 2000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
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            {
              "start": "2010-07-01",
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              "start": "2010-10-01",
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              "fy": 2011,
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            {
              "start": "2010-04-01",
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              "accn": "0001193125-12-249324",
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            {
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            {
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            {
              "start": "2011-04-01",
              "end": "2011-12-31",
              "val": 0,
              "accn": "0001193125-12-041653",
              "fy": 2011,
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              "filed": "2012-02-07"
            },
            {
              "start": "2011-04-01",
              "end": "2011-12-31",
              "val": 0,
              "accn": "0000712515-13-000007",
              "fy": 2012,
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              "form": "10-Q",
              "filed": "2013-02-05"
            },
            {
              "start": "2011-10-01",
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              "val": 0,
              "accn": "0001193125-12-041653",
              "fy": 2011,
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            },
            {
              "start": "2011-10-01",
              "end": "2011-12-31",
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              "accn": "0000712515-13-000007",
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            },
            {
              "start": "2012-04-01",
              "end": "2012-06-30",
              "val": 0,
              "accn": "0000712515-12-000004",
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              "frame": "CY2012Q2"
            },
            {
              "start": "2012-04-01",
              "end": "2012-09-30",
              "val": 0,
              "accn": "0000712515-12-000010",
              "fy": 2012,
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              "filed": "2012-11-06"
            },
            {
              "start": "2012-07-01",
              "end": "2012-09-30",
              "val": 0,
              "accn": "0000712515-12-000010",
              "fy": 2012,
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              "form": "10-Q",
              "filed": "2012-11-06",
              "frame": "CY2012Q3"
            },
            {
              "start": "2012-04-01",
              "end": "2012-12-31",
              "val": 0,
              "accn": "0000712515-13-000007",
              "fy": 2012,
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              "filed": "2013-02-05"
            },
            {
              "start": "2012-10-01",
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              "fy": 2012,
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              "filed": "2013-02-05",
              "frame": "CY2012Q4"
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          ]
        }
      },
      "MergerAndAcquisitionCosts": {
        "label": "Unsuccessful Business Combination Costs (Deprecated 2013-01-31)",
        "description": "Amount of direct costs of an unsuccessful business combination including legal, accounting, and other costs that were charged to expense during the period, but may have been capitalized had the contemplated transaction been completed.",
        "units": {
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              "end": "2008-09-30",
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            {
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              "fy": 2009,
              "fp": "Q2",
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              "filed": "2009-11-10",
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            {
              "start": "2008-04-01",
              "end": "2008-12-31",
              "val": 21000000,
              "accn": "0001193125-10-025856",
              "fy": 2009,
              "fp": "Q3",
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              "filed": "2010-02-09"
            },
            {
              "start": "2008-10-01",
              "end": "2008-12-31",
              "val": 0,
              "accn": "0001193125-10-025856",
              "fy": 2009,
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              "form": "10-Q",
              "filed": "2010-02-09",
              "frame": "CY2008Q4"
            },
            {
              "start": "2008-04-01",
              "end": "2009-03-31",
              "val": 21000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2008"
            },
            {
              "start": "2008-04-01",
              "end": "2009-03-31",
              "val": 21000000,
              "accn": "0000950130-10-001579",
              "fy": 2009,
              "fp": "FY",
              "form": "10-K",
              "filed": "2010-05-28"
            },
            {
              "start": "2009-04-01",
              "end": "2009-09-30",
              "val": 0,
              "accn": "0001193125-09-230789",
              "fy": 2009,
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              "form": "10-Q",
              "filed": "2009-11-10"
            },
            {
              "start": "2009-07-01",
              "end": "2009-09-30",
              "val": 0,
              "accn": "0001193125-09-230789",
              "fy": 2009,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2009-11-10",
              "frame": "CY2009Q3"
            },
            {
              "start": "2009-04-01",
              "end": "2009-12-31",
              "val": 0,
              "accn": "0001193125-10-025856",
              "fy": 2009,
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              "form": "10-Q",
              "filed": "2010-02-09"
            },
            {
              "start": "2009-10-01",
              "end": "2009-12-31",
              "val": 0,
              "accn": "0001193125-10-025856",
              "fy": 2009,
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              "filed": "2010-02-09",
              "frame": "CY2009Q4"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 0,
              "accn": "0001193125-11-149262",
              "fy": 2010,
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              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2009"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 0,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2010"
            }
          ]
        }
      },
      "NetCashProvidedByUsedInFinancingActivities": {
        "label": "Net Cash Provided by (Used in) Financing Activities",
        "description": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.",
        "units": {
          "USD": [
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              "start": "2018-04-01",
              "end": "2019-03-31",
              "val": -1253000000,
              "accn": "0000712515-21-000064",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26",
              "frame": "CY2018"
            },
            {
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              "end": "2020-03-31",
              "val": -1358000000,
              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26"
            },
            {
              "start": "2019-04-01",
              "end": "2020-03-31",
              "val": -1358000000,
              "accn": "0000712515-22-000011",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-05-25",
              "frame": "CY2019"
            },
            {
              "start": "2020-04-01",
              "end": "2020-12-31",
              "val": 541000000,
              "accn": "0000712515-22-000003",
              "fy": 2022,
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              "form": "10-Q",
              "filed": "2022-02-08"
            },
            {
              "start": "2020-04-01",
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              "filed": "2021-05-26"
            },
            {
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              "filed": "2022-05-25"
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            {
              "start": "2020-04-01",
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              "val": -15000000,
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              "fy": 2023,
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              "filed": "2023-05-24",
              "frame": "CY2020"
            },
            {
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            },
            {
              "start": "2021-04-01",
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              "val": -827000000,
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              "fy": 2023,
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              "filed": "2022-11-08"
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            {
              "start": "2021-04-01",
              "end": "2021-12-31",
              "val": 1269000000,
              "accn": "0000712515-22-000003",
              "fy": 2022,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2022-02-08"
            },
            {
              "start": "2021-04-01",
              "end": "2021-12-31",
              "val": -1269000000,
              "accn": "0000712515-23-000008",
              "fy": 2023,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2023-02-07"
            },
            {
              "start": "2021-04-01",
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              "val": -1620000000,
              "accn": "0000712515-22-000011",
              "fy": 2022,
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              "form": "10-K",
              "filed": "2022-05-25"
            },
            {
              "start": "2021-04-01",
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              "val": -1620000000,
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              "fy": 2023,
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              "form": "10-K",
              "filed": "2023-05-24"
            },
            {
              "start": "2021-04-01",
              "end": "2022-03-31",
              "val": -1620000000,
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              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
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              "frame": "CY2021"
            },
            {
              "start": "2022-04-01",
              "end": "2022-06-30",
              "val": -476000000,
              "accn": "0000712515-22-000036",
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            {
              "start": "2022-04-01",
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              "val": -476000000,
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              "fy": 2023,
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            {
              "start": "2022-04-01",
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              "val": -1600000000,
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            {
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            {
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              "frame": "CY2022"
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            {
              "start": "2023-04-01",
              "end": "2023-06-30",
              "val": -482000000,
              "accn": "0000712515-23-000037",
              "fy": 2023,
              "fp": "Q1",
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            {
              "start": "2023-04-01",
              "end": "2023-06-30",
              "val": -482000000,
              "accn": "0000712515-24-000039",
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              "fp": "Q1",
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            },
            {
              "start": "2023-04-01",
              "end": "2023-09-30",
              "val": -833000000,
              "accn": "0000712515-23-000048",
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            {
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            {
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              "val": -1264000000,
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            {
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              "accn": "0000712515-19-000129",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-11-06",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 206000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-03-31",
              "val": 193000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20"
            },
            {
              "end": "2020-03-31",
              "val": 193000000,
              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26",
              "frame": "CY2020Q1I"
            },
            {
              "end": "2021-03-31",
              "val": 242000000,
              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26"
            },
            {
              "end": "2021-03-31",
              "val": 242000000,
              "accn": "0000712515-22-000011",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-05-25",
              "frame": "CY2021Q1I"
            },
            {
              "end": "2022-03-31",
              "val": 314000000,
              "accn": "0000712515-22-000011",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-05-25"
            },
            {
              "end": "2022-03-31",
              "val": 314000000,
              "accn": "0000712515-23-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-05-24",
              "frame": "CY2022Q1I"
            },
            {
              "end": "2023-03-31",
              "val": 276000000,
              "accn": "0000712515-23-000028",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-05-24"
            },
            {
              "end": "2023-03-31",
              "val": 276000000,
              "accn": "0000712515-24-000023",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-05-22",
              "frame": "CY2023Q1I"
            },
            {
              "end": "2024-03-31",
              "val": 243000000,
              "accn": "0000712515-24-000023",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-05-22"
            },
            {
              "end": "2024-03-31",
              "val": 243000000,
              "accn": "0000712515-25-000022",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-05-13",
              "frame": "CY2024Q1I"
            },
            {
              "end": "2025-03-31",
              "val": 237000000,
              "accn": "0000712515-25-000022",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-05-13"
            },
            {
              "end": "2025-03-31",
              "val": 237000000,
              "accn": "0001628280-26-033617",
              "fy": 2026,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-05-11",
              "frame": "CY2025Q1I"
            },
            {
              "end": "2026-03-31",
              "val": 283000000,
              "accn": "0001628280-26-033617",
              "fy": 2026,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-05-11",
              "frame": "CY2026Q1I"
            }
          ]
        }
      },
      "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": "2019-03-31",
              "val": 264000000,
              "accn": "0000712515-19-000049",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-08-06"
            },
            {
              "end": "2019-03-31",
              "val": 264000000,
              "accn": "0000712515-19-000129",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-11-06"
            },
            {
              "end": "2019-03-31",
              "val": 264000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04"
            },
            {
              "end": "2019-03-31",
              "val": 264000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20",
              "frame": "CY2019Q1I"
            }
          ]
        }
      },
      "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": "2019-03-31",
              "val": 52000000,
              "accn": "0000712515-19-000049",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-08-06"
            },
            {
              "end": "2019-03-31",
              "val": 52000000,
              "accn": "0000712515-19-000129",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-11-06"
            },
            {
              "end": "2019-03-31",
              "val": 52000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04"
            },
            {
              "end": "2019-03-31",
              "val": 52000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2021-03-31",
              "val": 56000000,
              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26",
              "frame": "CY2021Q1I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals": {
        "label": "Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals",
        "description": "Contractually required future rental payments receivable on noncancelable subleasing arrangements.",
        "units": {
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              "end": "2010-06-30",
              "val": 13000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2I"
            },
            {
              "end": "2010-09-30",
              "val": 13000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08",
              "frame": "CY2010Q3I"
            },
            {
              "end": "2010-12-31",
              "val": 12000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-03-31",
              "val": 12000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2011Q1I"
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            {
              "end": "2011-06-30",
              "val": 11000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09",
              "frame": "CY2011Q2I"
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            {
              "end": "2011-09-30",
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              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
              "val": 7000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 7000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
              "val": 6000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-09-30",
              "val": 6000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2012-12-31",
              "val": 5000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-03-31",
              "val": 6000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-06-30",
              "val": 7000000,
              "accn": "0000712515-13-000037",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-09-30",
              "val": 6000000,
              "accn": "0000712515-13-000042",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-11-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2013-12-31",
              "val": 6000000,
              "accn": "0000712515-14-000009",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-02-04",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-03-31",
              "val": 6000000,
              "accn": "0000712515-14-000024",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21",
              "frame": "CY2014Q1I"
            },
            {
              "end": "2014-06-30",
              "val": 7000000,
              "accn": "0000712515-14-000039",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-08-05",
              "frame": "CY2014Q2I"
            },
            {
              "end": "2014-09-30",
              "val": 6000000,
              "accn": "0000712515-14-000063",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-11-04",
              "frame": "CY2014Q3I"
            },
            {
              "end": "2014-12-31",
              "val": 5000000,
              "accn": "0000712515-15-000012",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-02-04",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-03-31",
              "val": 3000000,
              "accn": "0000712515-15-000033",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-05-21",
              "frame": "CY2015Q1I"
            },
            {
              "end": "2015-06-30",
              "val": 3000000,
              "accn": "0000712515-15-000053",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-08-11",
              "frame": "CY2015Q2I"
            },
            {
              "end": "2015-09-30",
              "val": 2000000,
              "accn": "0000712515-15-000070",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-11-10",
              "frame": "CY2015Q3I"
            },
            {
              "end": "2015-12-31",
              "val": 2000000,
              "accn": "0000712515-16-000086",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-02-08",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-03-31",
              "val": 2000000,
              "accn": "0000712515-16-000111",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-05-27",
              "frame": "CY2016Q1I"
            },
            {
              "end": "2016-06-30",
              "val": 2000000,
              "accn": "0000712515-16-000138",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-08-09",
              "frame": "CY2016Q2I"
            },
            {
              "end": "2016-09-30",
              "val": 1000000,
              "accn": "0000712515-16-000149",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-11-08",
              "frame": "CY2016Q3I"
            }
          ]
        }
      },
      "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": "2019-03-31",
              "val": 28000000,
              "accn": "0000712515-19-000049",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-08-06"
            },
            {
              "end": "2019-03-31",
              "val": 28000000,
              "accn": "0000712515-19-000129",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-11-06"
            },
            {
              "end": "2019-03-31",
              "val": 28000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04"
            },
            {
              "end": "2019-03-31",
              "val": 28000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20",
              "frame": "CY2019Q1I"
            }
          ]
        }
      },
      "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": "2019-03-31",
              "val": 36000000,
              "accn": "0000712515-19-000049",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-08-06"
            },
            {
              "end": "2019-03-31",
              "val": 36000000,
              "accn": "0000712515-19-000129",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-11-06"
            },
            {
              "end": "2019-03-31",
              "val": 36000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04"
            },
            {
              "end": "2019-03-31",
              "val": 36000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20",
              "frame": "CY2019Q1I"
            }
          ]
        }
      },
      "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": "2019-03-31",
              "val": 44000000,
              "accn": "0000712515-19-000049",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-08-06"
            },
            {
              "end": "2019-03-31",
              "val": 44000000,
              "accn": "0000712515-19-000129",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-11-06"
            },
            {
              "end": "2019-03-31",
              "val": 44000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04"
            },
            {
              "end": "2019-03-31",
              "val": 44000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20",
              "frame": "CY2019Q1I"
            }
          ]
        }
      },
      "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": "2019-03-31",
              "val": 54000000,
              "accn": "0000712515-19-000049",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-08-06"
            },
            {
              "end": "2019-03-31",
              "val": 54000000,
              "accn": "0000712515-19-000129",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-11-06"
            },
            {
              "end": "2019-03-31",
              "val": 54000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04"
            },
            {
              "end": "2019-03-31",
              "val": 54000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20",
              "frame": "CY2019Q1I"
            }
          ]
        }
      },
      "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": "2019-03-31",
              "val": 50000000,
              "accn": "0000712515-19-000049",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-08-06"
            },
            {
              "end": "2019-03-31",
              "val": 50000000,
              "accn": "0000712515-19-000129",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-11-06"
            },
            {
              "end": "2019-03-31",
              "val": 50000000,
              "accn": "0000712515-20-000006",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-02-04"
            },
            {
              "end": "2019-03-31",
              "val": 50000000,
              "accn": "0000712515-20-000019",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-05-20",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2021-03-31",
              "val": 77000000,
              "accn": "0000712515-21-000064",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-05-26",
              "frame": "CY2021Q1I"
            }
          ]
        }
      },
      "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": "2019-06-30",
              "val": 0.036,
              "accn": "0000712515-19-000049",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-08-06",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
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        "label": "Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax (Deprecated 2012-01-31)",
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            {
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              "frame": "CY2011Q2"
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              "frame": "CY2011Q4"
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      },
      "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax": {
        "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax",
        "description": "Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.",
        "units": {
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              "val": 42000000,
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              "filed": "2010-05-28",
              "frame": "CY2007"
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            {
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              "end": "2009-03-31",
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              "frame": "CY2008"
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            {
              "start": "2008-04-01",
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            {
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              "fy": 2009,
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              "filed": "2010-05-28"
            },
            {
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              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
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              "frame": "CY2010"
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            {
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              "filed": "2012-05-25",
              "frame": "CY2011"
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      "OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax": {
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        "units": {
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            {
              "start": "2017-07-01",
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            {
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              "end": "2017-12-31",
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            {
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            {
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            {
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            {
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            {
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            {
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            {
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            {
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            {
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            {
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            {
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            {
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            {
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            {
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              "frame": "CY2024"
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            {
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            {
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            {
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            {
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            {
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      "PaymentsToAcquireAvailableForSaleSecuritiesEquity": {
        "label": "Payments to Acquire Available-for-sale Securities, Equity",
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            {
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            {
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            {
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            {
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            {
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            {
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              "frame": "CY2009Q2"
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            {
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              "form": "10-Q",
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            {
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            {
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            {
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            },
            {
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              "end": "2010-03-31",
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            {
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            {
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            {
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            {
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            {
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              "frame": "CY2011Q2"
            },
            {
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              "form": "10-Q",
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            {
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              "val": 657000000,
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            {
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            {
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              "form": "10-Q",
              "filed": "2013-02-05"
            },
            {
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            {
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            },
            {
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              "filed": "2014-05-21",
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            },
            {
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            },
            {
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              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2012Q2"
            },
            {
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              "filed": "2012-11-06"
            },
            {
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              "end": "2012-09-30",
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              "form": "10-Q",
              "filed": "2013-11-05"
            },
            {
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              "end": "2012-12-31",
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              "accn": "0000712515-13-000007",
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            },
            {
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              "filed": "2013-02-05"
            },
            {
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              "val": 65000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
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              "filed": "2012-05-25"
            },
            {
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              "frame": "CY2011"
            },
            {
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            },
            {
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            {
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              "fp": "FY",
              "form": "10-K",
              "filed": "2014-05-21",
              "frame": "CY2012"
            },
            {
              "start": "2012-04-01",
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              "val": 0,
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            {
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              "filed": "2014-05-21",
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          ]
        }
      },
      "ProceedsFromSaleOfAvailableForSaleSecuritiesEquity": {
        "label": "Proceeds from Sale of Available-for-sale Securities, Equity",
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            },
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            },
            {
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            },
            {
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              "filed": "2015-05-21",
              "frame": "CY2012"
            },
            {
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              "val": 0,
              "accn": "0000712515-14-000009",
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            },
            {
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            {
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            },
            {
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              "val": 0,
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              "fy": 2015,
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              "form": "10-K",
              "filed": "2015-05-21",
              "frame": "CY2014"
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          ]
        }
      },
      "ProceedsFromSaleOfInvestmentProjects": {
        "label": "Proceeds from Sale of Investment Projects",
        "description": "The cash inflow from the sale of investment projects held by an entity in hopes of getting a future return or interest from it.",
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        "label": "Proceeds from Sale of Property, Plant, and Equipment",
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      },
      "ProceedsFromSaleOfShortTermInvestments": {
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              "filed": "2024-08-02",
              "frame": "CY2024Q2I"
            },
            {
              "end": "2024-09-30",
              "val": 0,
              "accn": "0000712515-24-000048",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2024-11-01",
              "frame": "CY2024Q3I"
            },
            {
              "end": "2024-12-31",
              "val": 0,
              "accn": "0000712515-25-000015",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-02-05",
              "frame": "CY2024Q4I"
            }
          ]
        }
      },
      "RestructuringReserveAccrualAdjustment": {
        "label": "Restructuring Reserve, Accrual Adjustment (Deprecated 2016-01-31)",
        "description": "Amount of (expense) reversal of expense related to a previously accrued restructuring cost liability. Excludes adjustments for costs incurred, costs settled, and foreign currency translation adjustments.",
        "units": {
          "USD": [
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": -7000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2009"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": -7000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": -7000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": -7000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": -7000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09"
            }
          ]
        }
      },
      "RestructuringReservePeriodExpense": {
        "label": "Restructuring Reserve, Period Expense (Deprecated 2012-01-31)",
        "description": "Reserve increase representing the amount charged against earnings in the period for a specified incurred and estimated type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.",
        "units": {
          "USD": [
            {
              "start": "2008-04-01",
              "end": "2009-03-31",
              "val": 80000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2008"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 140000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2009"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 140000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 140000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 140000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 140000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09"
            },
            {
              "start": "2010-04-01",
              "end": "2010-06-30",
              "val": 2000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2"
            },
            {
              "start": "2010-04-01",
              "end": "2010-09-30",
              "val": 8000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08"
            },
            {
              "start": "2010-04-01",
              "end": "2010-12-31",
              "val": 162000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 161000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2010"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 161000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 161000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 161000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 161000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "start": "2011-04-01",
              "end": "2011-06-30",
              "val": 18000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09",
              "frame": "CY2011Q2"
            },
            {
              "start": "2011-04-01",
              "end": "2011-09-30",
              "val": 17000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "start": "2011-04-01",
              "end": "2011-12-31",
              "val": 17000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 16000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2011"
            }
          ]
        }
      },
      "RestructuringReserveSettledWithCash": {
        "label": "Restructuring Reserve, Settled With Cash (Deprecated 2013-01-31)",
        "description": "Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.",
        "units": {
          "USD": [
            {
              "start": "2008-04-01",
              "end": "2009-03-31",
              "val": 46000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2008"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 62000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2009"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 62000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 62000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": -62000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": -62000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09"
            },
            {
              "start": "2010-04-01",
              "end": "2010-06-30",
              "val": -10000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2010Q2"
            },
            {
              "start": "2010-04-01",
              "end": "2010-09-30",
              "val": -19000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08"
            },
            {
              "start": "2010-04-01",
              "end": "2010-12-31",
              "val": 66000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 70000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 70000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 70000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 70000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 70000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 70000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2010"
            },
            {
              "start": "2011-04-01",
              "end": "2011-06-30",
              "val": 14000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09",
              "frame": "CY2011Q2"
            },
            {
              "start": "2011-04-01",
              "end": "2011-09-30",
              "val": 24000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "start": "2011-04-01",
              "end": "2011-12-31",
              "val": 48000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 55000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 55000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2011"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 55000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": 55000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06"
            },
            {
              "start": "2011-04-01",
              "end": "2012-03-31",
              "val": -55000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03"
            },
            {
              "start": "2012-04-01",
              "end": "2012-06-30",
              "val": -8000000,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2012Q2"
            },
            {
              "start": "2012-04-01",
              "end": "2012-09-30",
              "val": 14000000,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06"
            },
            {
              "start": "2012-04-01",
              "end": "2012-12-31",
              "val": 28000000,
              "accn": "0000712515-13-000007",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-02-05"
            },
            {
              "start": "2012-04-01",
              "end": "2013-03-31",
              "val": 36000000,
              "accn": "0000712515-13-000037",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2012"
            },
            {
              "start": "2012-04-01",
              "end": "2013-03-31",
              "val": 36000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22"
            },
            {
              "start": "2013-04-01",
              "end": "2013-06-30",
              "val": 2000000,
              "accn": "0000712515-13-000037",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-08-02",
              "frame": "CY2013Q2"
            }
          ]
        }
      },
      "RestructuringReserveSettledWithoutCash": {
        "label": "Restructuring Reserve, Settled Without Cash (Deprecated 2013-01-31)",
        "description": "Amount of consideration other than cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.",
        "units": {
          "USD": [
            {
              "start": "2008-04-01",
              "end": "2009-03-31",
              "val": 25000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24",
              "frame": "CY2008"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 65000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25",
              "frame": "CY2009"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 65000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": 65000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": -65000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08"
            },
            {
              "start": "2009-04-01",
              "end": "2010-03-31",
              "val": -65000000,
              "accn": "0001193125-10-183448",
              "fy": 2010,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2010-08-09"
            },
            {
              "start": "2010-04-01",
              "end": "2010-09-30",
              "val": -1000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "start": "2010-04-01",
              "end": "2010-09-30",
              "val": 1000000,
              "accn": "0001193125-10-252171",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-11-08"
            },
            {
              "start": "2010-04-01",
              "end": "2010-12-31",
              "val": 1000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "start": "2010-04-01",
              "end": "2010-12-31",
              "val": 3000000,
              "accn": "0001193125-11-025954",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-02-07"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 3000000,
              "accn": "0001193125-12-249324",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-05-25"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 3000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 3000000,
              "accn": "0001193125-11-302274",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-11-08"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 3000000,
              "accn": "0001193125-11-216530",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2011-08-09"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 3000000,
              "accn": "0001193125-11-149262",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-05-24"
            },
            {
              "start": "2010-04-01",
              "end": "2011-03-31",
              "val": 3000000,
              "accn": "0000712515-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-05-22",
              "frame": "CY2010"
            },
            {
              "start": "2011-04-01",
              "end": "2011-06-30",
              "val": 0,
              "accn": "0000712515-12-000004",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-08-03",
              "frame": "CY2011Q2"
            },
            {
              "start": "2011-04-01",
              "end": "2011-09-30",
              "val": 0,
              "accn": "0000712515-12-000010",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-11-06"
            },
            {
              "start": "2011-04-01",
              "end": "2011-12-31",
              "val": -3000000,
              "accn": "0001193125-12-041653",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-02-07"
            },
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      },
      "SquareFootageOfRealEstateProperty": {
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