| | 2022-03-31 | 2023-03-31 | 2024-03-31 | 2025-03-31 | 2025-06-30 | 2026-03-31 |
| Amortization Cash Flow | | 308000000.0 | 462000000.0 | 401000000.0 | | 477000000.0 |
| Amortization Of Intangibles | | 308000000.0 | 462000000.0 | 401000000.0 | | 477000000.0 |
| Asset Impairment Charge | | 25000000.0 | -3000000.0 | 7000000.0 | | 0.0 |
| Beginning Cash Position | | 1887000000.0 | 750000000.0 | 846000000.0 | 644000000.0 | 1006000000.0 |
| Capital Expenditure | | -6000000.0 | -20000000.0 | -15000000.0 | -17000000.0 | -22000000.0 |
| Cash Dividends Paid | | -314000000.0 | -323000000.0 | -313000000.0 | -313000000.0 | -312000000.0 |
| Cash Flow From Continuing Financing Activities | | 4681000000.0 | -1961000000.0 | -970000000.0 | -214000000.0 | -1133000000.0 |
| Cash Flow From Continuing Investing Activities | | -6547000000.0 | 2000000.0 | -100000000.0 | -971000000.0 | -1011000000.0 |
| Cash Flow From Continuing Operating Activities | | 757000000.0 | 2064000000.0 | 1221000000.0 | 1366000000.0 | 1545000000.0 |
| Change In Account Payable | | -8000000.0 | -12000000.0 | 26000000.0 | -39000000.0 | -48000000.0 |
| Change In Accrued Expense | -26000000.0 | -6000000.0 | -24000000.0 | 27000000.0 | 27000000.0 | 8000000.0 |
| Change In Income Tax Payable | | -128000000.0 | 446000000.0 | -80000000.0 | -100000000.0 | -96000000.0 |
| Change In Other Current Assets | | -702000000.0 | 861000000.0 | 86000000.0 | 80000000.0 | -189000000.0 |
| Change In Other Current Liabilities | | -137000000.0 | 432000000.0 | -114000000.0 | -29000000.0 | -364000000.0 |
| Change In Other Working Capital | | 10000000.0 | 23000000.0 | 63000000.0 | 23000000.0 | 82000000.0 |
| Change In Payable | | -136000000.0 | 434000000.0 | -54000000.0 | -139000000.0 | -144000000.0 |
| Change In Payables And Accrued Expense | | -136000000.0 | 434000000.0 | -54000000.0 | -112000000.0 | -144000000.0 |
| Change In Receivables | | 11000000.0 | 7000000.0 | -53000000.0 | -52000000.0 | -32000000.0 |
| Change In Tax Payable | | -128000000.0 | 446000000.0 | -80000000.0 | -100000000.0 | -96000000.0 |
| Change In Working Capital | | -954000000.0 | 1757000000.0 | -72000000.0 | -90000000.0 | -647000000.0 |
| Changes In Account Receivables | | 11000000.0 | 7000000.0 | -53000000.0 | -52000000.0 | -32000000.0 |
| Changes In Cash | | -1109000000.0 | 105000000.0 | 151000000.0 | 181000000.0 | -599000000.0 |
| Common Stock Dividend Paid | | -314000000.0 | -323000000.0 | -313000000.0 | -313000000.0 | -312000000.0 |
| Common Stock Payments | | -904000000.0 | -441000000.0 | -272000000.0 | -134000000.0 | -634000000.0 |
| Deferred Income Tax | | -145000000.0 | -991000000.0 | -32000000.0 | -11000000.0 | 92000000.0 |
| Deferred Tax | | -145000000.0 | -991000000.0 | -32000000.0 | -11000000.0 | 92000000.0 |
| Depreciation | | 21000000.0 | 23000000.0 | 18000000.0 | | 16000000.0 |
| Depreciation Amortization Depletion | | 329000000.0 | 485000000.0 | 419000000.0 | 436000000.0 | 493000000.0 |
| Depreciation And Amortization | | 329000000.0 | 485000000.0 | 419000000.0 | 436000000.0 | 493000000.0 |
| Earnings Losses From Equity Investments | 0.0 | | | | | |
| Effect Of Exchange Rate Changes | | -28000000.0 | -9000000.0 | 9000000.0 | 3000000.0 | 4000000.0 |
| End Cash Position | | 750000000.0 | 846000000.0 | 1006000000.0 | 825000000.0 | 411000000.0 |
| Financing Cash Flow | | 4681000000.0 | -1961000000.0 | -970000000.0 | -214000000.0 | -1133000000.0 |
| Free Cash Flow | | 751000000.0 | 2044000000.0 | 1206000000.0 | 1349000000.0 | 1523000000.0 |
| Gain Loss On Sale Of Business | 0.0 | | | | | |
| Gain Loss On Sale Of PPE | | 0.0 | -9000000.0 | 0.0 | 1000000.0 | 0.0 |
| Income Tax Paid Supplemental Data | | | | 425000000.0 | | 445000000.0 |
| Interest Paid Supplemental Data | | | 607000000.0 | 557000000.0 | | 626000000.0 |
| Investing Cash Flow | | -6547000000.0 | 2000000.0 | -100000000.0 | -971000000.0 | -1011000000.0 |
| Issuance Of Debt | | 8954000000.0 | 0.0 | 941000000.0 | 1682000000.0 | 3475000000.0 |
| Long Term Debt Issuance | | 8954000000.0 | 0.0 | 941000000.0 | 1682000000.0 | 3475000000.0 |
| Long Term Debt Payments | | -3047000000.0 | -1183000000.0 | -1311000000.0 | -1414000000.0 | -3620000000.0 |
| Net Business Purchase And Sale | | -6547000000.0 | 0.0 | -84000000.0 | -960000000.0 | -1032000000.0 |
| Net Common Stock Issuance | | -904000000.0 | -441000000.0 | -272000000.0 | -134000000.0 | -634000000.0 |
| Net Foreign Currency Exchange Gain Loss | | | -18000000.0 | -2000000.0 | | 54000000.0 |
| Net Income From Continuing Operations | | 1334000000.0 | 607000000.0 | 643000000.0 | 597000000.0 | 973000000.0 |
| Net Investment Purchase And Sale | | 4000000.0 | 0.0 | -4000000.0 | | 13000000.0 |
| Net Issuance Payments Of Debt | | 5907000000.0 | -1183000000.0 | -370000000.0 | 268000000.0 | -145000000.0 |
| Net Long Term Debt Issuance | | 5907000000.0 | -1183000000.0 | -370000000.0 | 268000000.0 | -145000000.0 |
| Net Other Financing Charges | | -20000000.0 | -26000000.0 | -26000000.0 | -46000000.0 | -55000000.0 |
| Net Other Investing Changes | | 2000000.0 | -3000000.0 | 3000000.0 | | 9000000.0 |
| Net PPEPurchase And Sale | | -6000000.0 | 5000000.0 | -15000000.0 | -8000000.0 | -1000000.0 |
| Operating Cash Flow | | 757000000.0 | 2064000000.0 | 1221000000.0 | 1366000000.0 | 1545000000.0 |
| Operating Gains Losses | | 9000000.0 | -27000000.0 | -2000000.0 | | 48000000.0 |
| Other Non Cash Items | | 25000000.0 | 58000000.0 | 95000000.0 | 228000000.0 | 270000000.0 |
| Proceeds From Stock Option Exercised | | 12000000.0 | 12000000.0 | 11000000.0 | | 13000000.0 |
| Purchase Of Business | | -6547000000.0 | 0.0 | -84000000.0 | -960000000.0 | -1032000000.0 |
| Purchase Of Investment | | 0.0 | 0.0 | -4000000.0 | | 0.0 |
| Purchase Of PPE | | -6000000.0 | -20000000.0 | -15000000.0 | -17000000.0 | -22000000.0 |
| Repayment Of Debt | | -3047000000.0 | -1183000000.0 | -1311000000.0 | -1414000000.0 | -3620000000.0 |
| Repurchase Of Capital Stock | | -904000000.0 | -441000000.0 | -272000000.0 | -134000000.0 | -634000000.0 |
| Sale Of Business | 0.0 | | | | | |
| Sale Of Investment | | 4000000.0 | 0.0 | 0.0 | | 13000000.0 |
| Sale Of PPE | | 0.0 | 25000000.0 | 0.0 | 9000000.0 | 21000000.0 |
| Stock Based Compensation | | 134000000.0 | 138000000.0 | 133000000.0 | 168000000.0 | 237000000.0 |
| Unrealized Gain Loss On Investment Securities | | | 40000000.0 | 30000000.0 | | 79000000.0 |