| | 2022-04-30 | 2023-04-30 | 2024-04-30 | 2025-04-30 | 2026-04-30 |
| Amortization Cash Flow | | 68000000.0 | 57000000.0 | 47000000.0 | 21000000.0 |
| Amortization Of Intangibles | | 68000000.0 | 57000000.0 | 47000000.0 | 21000000.0 |
| Beginning Cash Position | | 4119000000.0 | 2322000000.0 | 1909000000.0 | 2749000000.0 |
| Capital Expenditure | | -239000000.0 | -155000000.0 | -168000000.0 | -198000000.0 |
| Cash Dividends Paid | | -432000000.0 | -416000000.0 | -424000000.0 | -413000000.0 |
| Cash Flow From Continuing Financing Activities | | -1513000000.0 | -1344000000.0 | -828000000.0 | -2147000000.0 |
| Cash Flow From Continuing Investing Activities | | -1390000000.0 | -735000000.0 | 147000000.0 | -595000000.0 |
| Cash Flow From Continuing Operating Activities | | 1107000000.0 | 1685000000.0 | 1506000000.0 | 2067000000.0 |
| Change In Account Payable | | -207000000.0 | 123000000.0 | -8000000.0 | 31000000.0 |
| Change In Accrued Expense | | -103000000.0 | 113000000.0 | 62000000.0 | -23000000.0 |
| Change In Income Tax Payable | | -76000000.0 | -106000000.0 | -207000000.0 | -7000000.0 |
| Change In Inventory | | 37000000.0 | -18000000.0 | -1000000.0 | -12000000.0 |
| Change In Other Current Assets | | -63000000.0 | -62000000.0 | -87000000.0 | -248000000.0 |
| Change In Other Current Liabilities | | 0.0 | -1000000.0 | 2000000.0 | -9000000.0 |
| Change In Other Working Capital | | 46000000.0 | -14000000.0 | 208000000.0 | 281000000.0 |
| Change In Payable | | -283000000.0 | 17000000.0 | -215000000.0 | 24000000.0 |
| Change In Payables And Accrued Expense | | -386000000.0 | 130000000.0 | -153000000.0 | 1000000.0 |
| Change In Receivables | | 260000000.0 | -33000000.0 | -219000000.0 | -36000000.0 |
| Change In Tax Payable | | -76000000.0 | -106000000.0 | -207000000.0 | -7000000.0 |
| Change In Working Capital | | -106000000.0 | 2000000.0 | -250000000.0 | -23000000.0 |
| Changes In Account Receivables | | 260000000.0 | -33000000.0 | -219000000.0 | -36000000.0 |
| Changes In Cash | | -1796000000.0 | -394000000.0 | 825000000.0 | -675000000.0 |
| Common Stock Dividend Paid | | -432000000.0 | -416000000.0 | -424000000.0 | -413000000.0 |
| Common Stock Payments | | -850000000.0 | -900000000.0 | -1150000000.0 | -950000000.0 |
| Deferred Income Tax | | -606000000.0 | 53000000.0 | -100000000.0 | 135000000.0 |
| Deferred Tax | | -606000000.0 | 53000000.0 | -100000000.0 | 135000000.0 |
| Depreciation | | 181000000.0 | 198000000.0 | 196000000.0 | 179000000.0 |
| Depreciation Amortization Depletion | | 248000000.0 | 255000000.0 | 243000000.0 | 200000000.0 |
| Depreciation And Amortization | | 248000000.0 | 255000000.0 | 243000000.0 | 200000000.0 |
| Effect Of Exchange Rate Changes | | -1000000.0 | -19000000.0 | 15000000.0 | 1000000.0 |
| End Cash Position | | 2322000000.0 | 1909000000.0 | 2749000000.0 | 2075000000.0 |
| Financing Cash Flow | | -1513000000.0 | -1344000000.0 | -828000000.0 | -2147000000.0 |
| Free Cash Flow | | 868000000.0 | 1530000000.0 | 1338000000.0 | 1869000000.0 |
| Income Tax Paid Supplemental Data | | 386000000.0 | 357000000.0 | 412000000.0 | 435000000.0 |
| Interest Paid Supplemental Data | | 65000000.0 | 59000000.0 | 53000000.0 | 109000000.0 |
| Investing Cash Flow | | -1390000000.0 | -735000000.0 | 147000000.0 | -595000000.0 |
| Issuance Of Debt | | 0.0 | 0.0 | 1240000000.0 | 0.0 |
| Long Term Debt Issuance | | 0.0 | 0.0 | 1240000000.0 | 0.0 |
| Long Term Debt Payments | | -250000000.0 | 0.0 | -400000000.0 | -750000000.0 |
| Net Business Purchase And Sale | -380000000.0 | -491000000.0 | 0.0 | 0.0 | |
| Net Common Stock Issuance | | -850000000.0 | -900000000.0 | -1150000000.0 | -950000000.0 |
| Net Income From Continuing Operations | | 1274000000.0 | 986000000.0 | 1186000000.0 | 1276000000.0 |
| Net Investment Purchase And Sale | | -719000000.0 | -580000000.0 | 245000000.0 | -412000000.0 |
| Net Issuance Payments Of Debt | | -250000000.0 | 0.0 | 840000000.0 | -750000000.0 |
| Net Long Term Debt Issuance | | -250000000.0 | 0.0 | 840000000.0 | -750000000.0 |
| Net Other Financing Charges | | -89000000.0 | -128000000.0 | -202000000.0 | -137000000.0 |
| Net Other Investing Changes | | 59000000.0 | | 70000000.0 | 15000000.0 |
| Net PPEPurchase And Sale | | -239000000.0 | -155000000.0 | -168000000.0 | -198000000.0 |
| Net Short Term Debt Issuance | 0.0 | 0.0 | | | |
| Operating Cash Flow | | 1107000000.0 | 1685000000.0 | 1506000000.0 | 2067000000.0 |
| Other Non Cash Items | | -15000000.0 | 32000000.0 | 41000000.0 | 97000000.0 |
| Proceeds From Stock Option Exercised | | 108000000.0 | 100000000.0 | 108000000.0 | 103000000.0 |
| Purchase Of Business | -380000000.0 | -491000000.0 | 0.0 | 0.0 | |
| Purchase Of Investment | | -1269000000.0 | -2635000000.0 | -1782000000.0 | -2758000000.0 |
| Purchase Of PPE | | -239000000.0 | -155000000.0 | -168000000.0 | -198000000.0 |
| Repayment Of Debt | | -250000000.0 | 0.0 | -400000000.0 | -750000000.0 |
| Repurchase Of Capital Stock | | -850000000.0 | -900000000.0 | -1150000000.0 | -950000000.0 |
| Sale Of Investment | | 550000000.0 | 2055000000.0 | 2027000000.0 | 2346000000.0 |
| Sale Of PPE | 0.0 | 0.0 | | | |
| Short Term Debt Payments | 0.0 | 0.0 | | | |
| Stock Based Compensation | | 312000000.0 | 357000000.0 | 386000000.0 | 382000000.0 |