| | 2020-09-30 | 2021-09-30 | 2022-09-30 | 2023-09-30 | 2024-09-30 | 2025-03-31 |
| Amortization Cash Flow | | 68000000.0 | 192000000.0 | 187000000.0 | 166000000.0 | |
| Amortization Of Intangibles | | 68000000.0 | 192000000.0 | 187000000.0 | 166000000.0 | |
| Asset Impairment Charge | | 16000000.0 | 14000000.0 | 74000000.0 | 0.0 | |
| Beginning Cash Position | | 945000000.0 | 1203000000.0 | 1088000000.0 | 1661000000.0 | 1176000000.0 |
| Capital Expenditure | | -690000000.0 | -768000000.0 | -732000000.0 | -680000000.0 | -797000000.0 |
| Capital Expenditure Reported | | -690000000.0 | -768000000.0 | -732000000.0 | -680000000.0 | -797000000.0 |
| Cash Dividends Paid | | -647000000.0 | -685000000.0 | -725000000.0 | -760000000.0 | -777000000.0 |
| Cash Flow From Continuing Financing Activities | | -1386000000.0 | -1684000000.0 | -1793000000.0 | -2869000000.0 | -1111000000.0 |
| Cash Flow From Continuing Investing Activities | | -1037000000.0 | -878000000.0 | -768000000.0 | -950000000.0 | -1084000000.0 |
| Cash Flow From Continuing Operating Activities | | 2676000000.0 | 2468000000.0 | 3132000000.0 | 3477000000.0 | 3579000000.0 |
| Cash From Discontinued Financing Activities | -1000000.0 | 0.0 | 0.0 | | | |
| Cash From Discontinued Investing Activities | 0.0 | 0.0 | | | | |
| Cash From Discontinued Operating Activities | 1000000.0 | 0.0 | 0.0 | | | |
| Change In Account Payable | | 560000000.0 | -396000000.0 | -1000000.0 | 159000000.0 | 250000000.0 |
| Change In Accrued Expense | | 173000000.0 | -398000000.0 | 21000000.0 | -165000000.0 | -176000000.0 |
| Change In Income Tax Payable | -9000000.0 | | | | | |
| Change In Inventory | | -556000000.0 | -41000000.0 | -45000000.0 | -30000000.0 | 79000000.0 |
| Change In Other Working Capital | | 167000000.0 | -355000000.0 | 162000000.0 | 2000000.0 | -84000000.0 |
| Change In Payable | | 560000000.0 | -396000000.0 | -1000000.0 | 159000000.0 | 290000000.0 |
| Change In Payables And Accrued Expense | | 733000000.0 | -794000000.0 | 20000000.0 | -6000000.0 | 114000000.0 |
| Change In Prepaid Assets | | -19000000.0 | 50000000.0 | 17000000.0 | 25000000.0 | 166000000.0 |
| Change In Receivables | | -518000000.0 | 200000000.0 | -146000000.0 | -134000000.0 | -377000000.0 |
| Change In Tax Payable | -9000000.0 | | | | | |
| Change In Working Capital | | -193000000.0 | -940000000.0 | 8000000.0 | -143000000.0 | -102000000.0 |
| Changes In Account Receivables | | -518000000.0 | 200000000.0 | -146000000.0 | -134000000.0 | -377000000.0 |
| Changes In Cash | | 253000000.0 | -94000000.0 | 571000000.0 | -342000000.0 | 1384000000.0 |
| Common Stock Dividend Paid | | -647000000.0 | -685000000.0 | -725000000.0 | -760000000.0 | -777000000.0 |
| Common Stock Payments | | -831000000.0 | -1412000000.0 | -945000000.0 | -2062000000.0 | -1786000000.0 |
| Deferred Income Tax | | -354000000.0 | -147000000.0 | -77000000.0 | -789000000.0 | 1124000000.0 |
| Deferred Tax | | -354000000.0 | -147000000.0 | -77000000.0 | -789000000.0 | 1124000000.0 |
| Depreciation | | 701000000.0 | 593000000.0 | 607000000.0 | 660000000.0 | |
| Depreciation Amortization Depletion | | 769000000.0 | 785000000.0 | 794000000.0 | 826000000.0 | 818000000.0 |
| Depreciation And Amortization | | 769000000.0 | 785000000.0 | 794000000.0 | 826000000.0 | 818000000.0 |
| Effect Of Exchange Rate Changes | | 5000000.0 | -21000000.0 | 2000000.0 | 0.0 | -6000000.0 |
| End Cash Position | | 1203000000.0 | 1088000000.0 | 1661000000.0 | 1319000000.0 | 2560000000.0 |
| Financing Cash Flow | | -1386000000.0 | -1684000000.0 | -1793000000.0 | -2869000000.0 | -1111000000.0 |
| Free Cash Flow | | 1986000000.0 | 1700000000.0 | 2400000000.0 | 2797000000.0 | 2782000000.0 |
| Income Tax Paid Supplemental Data | | 371000000.0 | 421000000.0 | 425000000.0 | 475000000.0 | |
| Interest Paid Supplemental Data | | 58000000.0 | 58000000.0 | 75000000.0 | 64000000.0 | |
| Investing Cash Flow | | -1037000000.0 | -878000000.0 | -768000000.0 | -950000000.0 | -1084000000.0 |
| Issuance Of Debt | | 661000000.0 | 588000000.0 | 499000000.0 | 348000000.0 | 1121000000.0 |
| Long Term Debt Issuance | | 661000000.0 | 588000000.0 | 499000000.0 | 348000000.0 | 1121000000.0 |
| Long Term Debt Payments | | -708000000.0 | -558000000.0 | -591000000.0 | -352000000.0 | -930000000.0 |
| Net Business Purchase And Sale | | -427000000.0 | -204000000.0 | -62000000.0 | -280000000.0 | -300000000.0 |
| Net Common Stock Issuance | | -831000000.0 | -1412000000.0 | -945000000.0 | -2062000000.0 | -1786000000.0 |
| Net Income From Continuing Operations | | 2255000000.0 | 2427000000.0 | 1904000000.0 | 3194000000.0 | 1390000000.0 |
| Net Issuance Payments Of Debt | | -47000000.0 | 400000000.0 | -132000000.0 | -79000000.0 | 1400000000.0 |
| Net Long Term Debt Issuance | | -47000000.0 | 30000000.0 | -92000000.0 | -4000000.0 | 191000000.0 |
| Net Other Financing Charges | | -28000000.0 | -41000000.0 | -34000000.0 | -57000000.0 | -63000000.0 |
| Net Other Investing Changes | | -6000000.0 | -12000000.0 | 22000000.0 | -6000000.0 | -3000000.0 |
| Net PPEPurchase And Sale | | 86000000.0 | 106000000.0 | 4000000.0 | 16000000.0 | 16000000.0 |
| Net Short Term Debt Issuance | | 0.0 | 370000000.0 | -40000000.0 | -75000000.0 | 1209000000.0 |
| Operating Cash Flow | | 2676000000.0 | 2468000000.0 | 3132000000.0 | 3477000000.0 | 3579000000.0 |
| Other Non Cash Items | | 43000000.0 | 140000000.0 | 230000000.0 | 205000000.0 | 177000000.0 |
| Proceeds From Stock Option Exercised | | 167000000.0 | 54000000.0 | 43000000.0 | 89000000.0 | 115000000.0 |
| Provisionand Write Offof Assets | | 46000000.0 | 70000000.0 | 76000000.0 | 57000000.0 | 45000000.0 |
| Purchase Of Business | | -427000000.0 | -220000000.0 | -110000000.0 | -339000000.0 | -321000000.0 |
| Repayment Of Debt | | -708000000.0 | -558000000.0 | -591000000.0 | -352000000.0 | -930000000.0 |
| Repurchase Of Capital Stock | | -831000000.0 | -1412000000.0 | -945000000.0 | -2062000000.0 | -1786000000.0 |
| Sale Of Business | | 0.0 | 16000000.0 | 48000000.0 | 59000000.0 | 21000000.0 |
| Sale Of PPE | | 86000000.0 | 106000000.0 | 4000000.0 | 16000000.0 | 16000000.0 |
| Stock Based Compensation | | 94000000.0 | 119000000.0 | 123000000.0 | 127000000.0 | 127000000.0 |
