| | 2021-09-30 | 2022-09-30 | 2023-09-30 | 2024-09-30 | 2025-09-30 |
| Amortization Cash Flow | | 257000000.0 | 239000000.0 | 241000000.0 | 268000000.0 |
| Amortization Of Intangibles | | 257000000.0 | 239000000.0 | 241000000.0 | 268000000.0 |
| Asset Impairment Charge | | 34000000.0 | 882000000.0 | 131000000.0 | 469000000.0 |
| Beginning Cash Position | | 2637000000.0 | 1031000000.0 | 573000000.0 | 1717000000.0 |
| Capital Expenditure | | -1887000000.0 | -1939000000.0 | -1132000000.0 | -978000000.0 |
| Cash Dividends Paid | | -653000000.0 | -670000000.0 | -684000000.0 | -697000000.0 |
| Cash Flow From Continuing Financing Activities | | -2323000000.0 | 88000000.0 | -581000000.0 | -1977000000.0 |
| Cash Flow From Continuing Investing Activities | | -1935000000.0 | -2299000000.0 | -888000000.0 | -665000000.0 |
| Cash Flow From Continuing Operating Activities | | 2687000000.0 | 1752000000.0 | 2590000000.0 | 2155000000.0 |
| Change In Account Payable | | 302000000.0 | 47000000.0 | -205000000.0 | 184000000.0 |
| Change In Accrued Expense | -5000000.0 | -13000000.0 | 0.0 | 0.0 | |
| Change In Interest Payable | -5000000.0 | -13000000.0 | 0.0 | 0.0 | |
| Change In Inventory | | -1195000000.0 | 175000000.0 | 153000000.0 | -449000000.0 |
| Change In Other Working Capital | | -1022000000.0 | -171000000.0 | 217000000.0 | 280000000.0 |
| Change In Payable | | 302000000.0 | 47000000.0 | -205000000.0 | 184000000.0 |
| Change In Payables And Accrued Expense | | 289000000.0 | 47000000.0 | -205000000.0 | 184000000.0 |
| Change In Receivables | | -176000000.0 | 136000000.0 | 59000000.0 | -121000000.0 |
| Change In Working Capital | | -2104000000.0 | 187000000.0 | 224000000.0 | -106000000.0 |
| Changes In Account Receivables | | -176000000.0 | 136000000.0 | 59000000.0 | -121000000.0 |
| Changes In Cash | | -1571000000.0 | -459000000.0 | 1121000000.0 | -487000000.0 |
| Common Stock Dividend Paid | | -653000000.0 | -670000000.0 | -684000000.0 | -697000000.0 |
| Common Stock Payments | | -702000000.0 | -354000000.0 | -49000000.0 | -196000000.0 |
| Deferred Income Tax | | 264000000.0 | -183000000.0 | -45000000.0 | -76000000.0 |
| Deferred Tax | | 264000000.0 | -183000000.0 | -45000000.0 | -76000000.0 |
| Depreciation | | 945000000.0 | 1100000000.0 | 1159000000.0 | 1093000000.0 |
| Depreciation Amortization Depletion | | 1202000000.0 | 1339000000.0 | 1400000000.0 | 1361000000.0 |
| Depreciation And Amortization | | 1202000000.0 | 1339000000.0 | 1400000000.0 | 1361000000.0 |
| Effect Of Exchange Rate Changes | | -35000000.0 | 1000000.0 | 23000000.0 | -1000000.0 |
| End Cash Position | | 1031000000.0 | 573000000.0 | 1717000000.0 | 1229000000.0 |
| Financing Cash Flow | | -2323000000.0 | 88000000.0 | -581000000.0 | -1977000000.0 |
| Free Cash Flow | | 800000000.0 | -187000000.0 | 1458000000.0 | 1177000000.0 |
| Gain Loss On Sale Of Business | -784000000.0 | 0.0 | 0.0 | | |
| Gain Loss On Sale Of PPE | | | 0.0 | 0.0 | -107000000.0 |
| Income Tax Paid Supplemental Data | | 1216000000.0 | 46000000.0 | 227000000.0 | 331000000.0 |
| Interest Paid Supplemental Data | | 363000000.0 | 340000000.0 | 460000000.0 | 402000000.0 |
| Investing Cash Flow | | -1935000000.0 | -2299000000.0 | -888000000.0 | -665000000.0 |
| Issuance Of Debt | | 103000000.0 | 8823000000.0 | 4109000000.0 | 175000000.0 |
| Long Term Debt Issuance | | 103000000.0 | 1130000000.0 | 2415000000.0 | 175000000.0 |
| Long Term Debt Payments | | -1191000000.0 | -603000000.0 | -1641000000.0 | -1262000000.0 |
| Net Business Purchase And Sale | | -177000000.0 | -377000000.0 | 145000000.0 | -11000000.0 |
| Net Common Stock Issuance | | -702000000.0 | -354000000.0 | -49000000.0 | -196000000.0 |
| Net Income From Continuing Operations | | 3249000000.0 | -649000000.0 | 822000000.0 | 507000000.0 |
| Net Investment Purchase And Sale | | -1000000.0 | -2000000.0 | -3000000.0 | -4000000.0 |
| Net Issuance Payments Of Debt | | -1088000000.0 | 1117000000.0 | 183000000.0 | -1087000000.0 |
| Net Long Term Debt Issuance | | -1088000000.0 | 527000000.0 | 774000000.0 | -1087000000.0 |
| Net Other Financing Charges | | -6000000.0 | -16000000.0 | -45000000.0 | -18000000.0 |
| Net Other Investing Changes | | 130000000.0 | 19000000.0 | 102000000.0 | 76000000.0 |
| Net PPEPurchase And Sale | | -1887000000.0 | -1939000000.0 | -1132000000.0 | -726000000.0 |
| Net Short Term Debt Issuance | | 0.0 | 590000000.0 | -591000000.0 | 0.0 |
| Operating Cash Flow | | 2687000000.0 | 1752000000.0 | 2590000000.0 | 2155000000.0 |
| Operating Gains Losses | -784000000.0 | | | | -107000000.0 |
| Other Cash Adjustment Outside Changein Cash | | 0.0 | 0.0 | 0.0 | 0.0 |
| Other Non Cash Items | | -51000000.0 | 115000000.0 | -43000000.0 | 7000000.0 |
| Proceeds From Stock Option Exercised | | 126000000.0 | 11000000.0 | 14000000.0 | 21000000.0 |
| Purchase Of Business | | -177000000.0 | -377000000.0 | -29000000.0 | -11000000.0 |
| Purchase Of Investment | | -35000000.0 | -34000000.0 | -38000000.0 | -66000000.0 |
| Purchase Of PPE | | -1887000000.0 | -1939000000.0 | -1132000000.0 | -978000000.0 |
| Repayment Of Debt | | -1191000000.0 | -7706000000.0 | -3926000000.0 | -1262000000.0 |
| Repurchase Of Capital Stock | | -702000000.0 | -354000000.0 | -49000000.0 | -196000000.0 |
| Sale Of Business | | 0.0 | 0.0 | 174000000.0 | 0.0 |
| Sale Of Investment | | 34000000.0 | 32000000.0 | 35000000.0 | 62000000.0 |
| Sale Of PPE | | | 0.0 | 0.0 | 252000000.0 |
| Short Term Debt Issuance | | 0.0 | 7693000000.0 | 1694000000.0 | 0.0 |
| Short Term Debt Payments | | 0.0 | -7103000000.0 | -2285000000.0 | 0.0 |
| Stock Based Compensation | | 93000000.0 | 61000000.0 | 101000000.0 | 100000000.0 |