| | 2020-03-31 | 2021-09-30 | 2022-09-30 | 2023-09-30 | 2024-09-30 | 2025-06-30 |
| Amortization Cash Flow | | 470000000.0 | 530000000.0 | 764000000.0 | 1366000000.0 | 1234000000.0 |
| Amortization Of Intangibles | | 470000000.0 | 530000000.0 | 764000000.0 | 1366000000.0 | 1234000000.0 |
| Asset Impairment Charge | | | 0.0 | 0.0 | 231000000.0 | |
| Beginning Cash Position | | 3315000000.0 | 2354000000.0 | 1804000000.0 | 8051000000.0 | 2298000000.0 |
| Capital Expenditure | | -404000000.0 | -299000000.0 | -363000000.0 | -419000000.0 | -431000000.0 |
| Capital Expenditure Reported | | -404000000.0 | -299000000.0 | -363000000.0 | -419000000.0 | -431000000.0 |
| Cash Dividends Paid | | -1210000000.0 | -1223000000.0 | -1198000000.0 | -1201000000.0 | -1195000000.0 |
| Cash Flow From Continuing Financing Activities | | -2422000000.0 | 2048000000.0 | -6823000000.0 | -2455000000.0 | -6057000000.0 |
| Cash Flow From Continuing Investing Activities | | -1991000000.0 | -5684000000.0 | -115000000.0 | -8796000000.0 | -589000000.0 |
| Cash Flow From Continuing Operating Activities | | 2458000000.0 | 2048000000.0 | 2710000000.0 | 3317000000.0 | 3737000000.0 |
| Cash From Discontinued Investing Activities | | -129000000.0 | 350000000.0 | 12530000000.0 | 3436000000.0 | 3400000000.0 |
| Cash From Discontinued Operating Activities | | 1117000000.0 | 874000000.0 | -2073000000.0 | 15000000.0 | -565000000.0 |
| Change In Account Payable | | 107000000.0 | 147000000.0 | -17000000.0 | -16000000.0 | -17000000.0 |
| Change In Accrued Expense | | 180000000.0 | 74000000.0 | 221000000.0 | -9000000.0 | 153000000.0 |
| Change In Inventory | | -11000000.0 | -334000000.0 | -160000000.0 | 122000000.0 | 65000000.0 |
| Change In Other Current Assets | | -91000000.0 | -56000000.0 | -1000000.0 | -149000000.0 | -132000000.0 |
| Change In Payable | | 107000000.0 | 147000000.0 | -17000000.0 | -16000000.0 | -17000000.0 |
| Change In Payables And Accrued Expense | | 287000000.0 | 221000000.0 | 204000000.0 | -25000000.0 | 136000000.0 |
| Change In Receivables | | -18000000.0 | -143000000.0 | -191000000.0 | -99000000.0 | -124000000.0 |
| Change In Working Capital | | 167000000.0 | -312000000.0 | -148000000.0 | -151000000.0 | -55000000.0 |
| Changes In Cash | | -967000000.0 | -364000000.0 | 6229000000.0 | -4483000000.0 | -74000000.0 |
| Common Stock Dividend Paid | | -1210000000.0 | -1223000000.0 | -1198000000.0 | -1201000000.0 | |
| Common Stock Payments | | -500000000.0 | -500000000.0 | -2214000000.0 | -643000000.0 | -1427000000.0 |
| Depreciation | | 499000000.0 | 312000000.0 | 287000000.0 | 323000000.0 | 331000000.0 |
| Depreciation Amortization Depletion | | 762000000.0 | 842000000.0 | 1051000000.0 | 1689000000.0 | 1565000000.0 |
| Depreciation And Amortization | | 762000000.0 | 842000000.0 | 1051000000.0 | 1689000000.0 | 1565000000.0 |
| Effect Of Exchange Rate Changes | | 6000000.0 | -186000000.0 | 18000000.0 | 20000000.0 | -5000000.0 |
| End Cash Position | | 2354000000.0 | 1804000000.0 | 8051000000.0 | 3588000000.0 | 2224000000.0 |
| Financing Cash Flow | | -2422000000.0 | 2048000000.0 | -6823000000.0 | -2455000000.0 | -6057000000.0 |
| Free Cash Flow | | 3171000000.0 | 2623000000.0 | 274000000.0 | 2913000000.0 | 2741000000.0 |
| Gain Loss On Investment Securities | | | -453000000.0 | -161000000.0 | 200000000.0 | |
| Gain Loss On Sale Of Business | | 0.0 | -939000000.0 | | | |
| Investing Cash Flow | | -2120000000.0 | -5334000000.0 | 12415000000.0 | -5360000000.0 | 2811000000.0 |
| Issuance Of Debt | | 71000000.0 | 5378000000.0 | 395000000.0 | 322000000.0 | 6026000000.0 |
| Long Term Debt Issuance | 556000000.0 | 0.0 | 2975000000.0 | 0.0 | 0.0 | 1544000000.0 |
| Long Term Debt Payments | | -308000000.0 | -522000000.0 | -1659000000.0 | -547000000.0 | -503000000.0 |
| Net Business Purchase And Sale | | -1562000000.0 | -5685000000.0 | -705000000.0 | -8342000000.0 | -115000000.0 |
| Net Common Stock Issuance | | -500000000.0 | -500000000.0 | -2214000000.0 | -643000000.0 | -1427000000.0 |
| Net Income From Continuing Operations | | 1416000000.0 | 1883000000.0 | 2261000000.0 | 1605000000.0 | 2132000000.0 |
| Net Investment Purchase And Sale | | 0.0 | 438000000.0 | 176000000.0 | 79000000.0 | |
| Net Issuance Payments Of Debt | | -812000000.0 | 3691000000.0 | -3242000000.0 | -567000000.0 | 3932000000.0 |
| Net Long Term Debt Issuance | | -308000000.0 | 2453000000.0 | -1659000000.0 | -547000000.0 | 1041000000.0 |
| Net Other Financing Charges | | 100000000.0 | 80000000.0 | -169000000.0 | -44000000.0 | -7367000000.0 |
| Net Other Investing Changes | | -25000000.0 | -138000000.0 | 777000000.0 | -114000000.0 | -122000000.0 |
| Net Short Term Debt Issuance | | -504000000.0 | 1238000000.0 | -1583000000.0 | -20000000.0 | 2891000000.0 |
| Operating Cash Flow | | 3575000000.0 | 2922000000.0 | 637000000.0 | 3332000000.0 | 3172000000.0 |
| Operating Gains Losses | | -13000000.0 | -494000000.0 | -275000000.0 | 83000000.0 | |
| Other Non Cash Items | | -71000000.0 | 4000000.0 | -429000000.0 | -169000000.0 | -43000000.0 |
| Pension And Employee Benefit Expense | | -13000000.0 | -41000000.0 | -114000000.0 | -117000000.0 | |
| Purchase Of Business | | -1592000000.0 | -5702000000.0 | -705000000.0 | -8342000000.0 | -36000000.0 |
| Repayment Of Debt | | -883000000.0 | -1687000000.0 | -3637000000.0 | -889000000.0 | -2094000000.0 |
| Repurchase Of Capital Stock | | -500000000.0 | -500000000.0 | -2214000000.0 | -643000000.0 | -1427000000.0 |
| Sale Of Business | 9000000.0 | 30000000.0 | 17000000.0 | 0.0 | 0.0 | -79000000.0 |
| Sale Of Investment | | 0.0 | 438000000.0 | 176000000.0 | 79000000.0 | |
| Short Term Debt Issuance | | 71000000.0 | 2403000000.0 | 395000000.0 | 322000000.0 | 4482000000.0 |
| Short Term Debt Payments | | -575000000.0 | -1165000000.0 | -1978000000.0 | -342000000.0 | -1591000000.0 |
| Stock Based Compensation | | 197000000.0 | 125000000.0 | 250000000.0 | 260000000.0 | 255000000.0 |