| | 2020-06-30 | 2021-09-30 | 2022-09-30 | 2023-09-30 | 2024-09-30 | 2025-06-30 |
| Asset Impairment Charge | | 38000000.0 | 49000000.0 | 314000000.0 | 86000000.0 | 113000000.0 |
| Beginning Cash Position | | 6707000000.0 | 7116000000.0 | 3099000000.0 | 8527000000.0 | 7770000000.0 |
| Capital Expenditure | | -1888000000.0 | -2262000000.0 | -1450000000.0 | -1041000000.0 | -1041000000.0 |
| Capital Expenditure Reported | | -1888000000.0 | -2262000000.0 | -1450000000.0 | -1041000000.0 | -1041000000.0 |
| Cash Dividends Paid | | -3008000000.0 | -3212000000.0 | -3462000000.0 | -3687000000.0 | -3796000000.0 |
| Cash Flow From Continuing Financing Activities | | -6798000000.0 | -7200000000.0 | -6605000000.0 | -9288000000.0 | -11978000000.0 |
| Cash Flow From Continuing Investing Activities | | -3356000000.0 | -5788000000.0 | -621000000.0 | -3625000000.0 | -716000000.0 |
| Cash Flow From Continuing Operating Activities | | 10536000000.0 | 9266000000.0 | 11698000000.0 | 12293000000.0 | 12663000000.0 |
| Cash From Discontinued Financing Activities | | 0.0 | 4000000.0 | -58000000.0 | 19000000.0 | |
| Cash From Discontinued Investing Activities | | 0.0 | -16000000.0 | 1383000000.0 | 2000000.0 | |
| Cash From Discontinued Operating Activities | | 0.0 | -170000000.0 | -399000000.0 | -91000000.0 | 0.0 |
| Change In Account Payable | | 495000000.0 | 1036000000.0 | -1880000000.0 | 682000000.0 | -229000000.0 |
| Change In Accrued Expense | | 1091000000.0 | -1043000000.0 | 1000000.0 | 1046000000.0 | -551000000.0 |
| Change In Inventory | | -622000000.0 | -3137000000.0 | 8000000.0 | 13000000.0 | -351000000.0 |
| Change In Other Current Assets | | -1649000000.0 | -2266000000.0 | 603000000.0 | 230000000.0 | 471000000.0 |
| Change In Other Working Capital | | -202000000.0 | -324000000.0 | -56000000.0 | 20000000.0 | 24000000.0 |
| Change In Payable | | 495000000.0 | 1036000000.0 | -1880000000.0 | 682000000.0 | -229000000.0 |
| Change In Payables And Accrued Expense | | 1586000000.0 | -7000000.0 | -1879000000.0 | 1728000000.0 | -780000000.0 |
| Change In Receivables | | 426000000.0 | -2066000000.0 | 2472000000.0 | -768000000.0 | -454000000.0 |
| Change In Working Capital | | -461000000.0 | -7800000000.0 | 1148000000.0 | 1223000000.0 | -1090000000.0 |
| Changes In Account Receivables | | 426000000.0 | -2066000000.0 | 2472000000.0 | -768000000.0 | -454000000.0 |
| Changes In Cash | | 382000000.0 | -3904000000.0 | 5398000000.0 | -690000000.0 | -10000000.0 |
| Common Stock Dividend Paid | | -3008000000.0 | -3212000000.0 | -3462000000.0 | -3687000000.0 | -3796000000.0 |
| Common Stock Issuance | 326000000.0 | 347000000.0 | 356000000.0 | 434000000.0 | 383000000.0 | 388000000.0 |
| Common Stock Payments | | -3366000000.0 | -3129000000.0 | -2973000000.0 | -4121000000.0 | -7650000000.0 |
| Deferred Income Tax | | -245000000.0 | -138000000.0 | -1269000000.0 | -3064000000.0 | -2061000000.0 |
| Deferred Tax | | -245000000.0 | -138000000.0 | -1269000000.0 | -3064000000.0 | -2061000000.0 |
| Depreciation Amortization Depletion | | 1582000000.0 | 1762000000.0 | 1809000000.0 | 1706000000.0 | 1670000000.0 |
| Depreciation And Amortization | | 1582000000.0 | 1762000000.0 | 1809000000.0 | 1706000000.0 | 1670000000.0 |
| Effect Of Exchange Rate Changes | | 27000000.0 | -113000000.0 | 30000000.0 | 12000000.0 | 11000000.0 |
| End Cash Position | | 7116000000.0 | 3099000000.0 | 8527000000.0 | 7849000000.0 | 7760000000.0 |
| Financing Cash Flow | | -6798000000.0 | -7196000000.0 | -6663000000.0 | -9269000000.0 | -11959000000.0 |
| Free Cash Flow | | 8648000000.0 | 6834000000.0 | 9849000000.0 | 11161000000.0 | 11622000000.0 |
| Gain Loss On Investment Securities | | -1002000000.0 | 432000000.0 | -152000000.0 | -349000000.0 | -332000000.0 |
| Investing Cash Flow | | -3356000000.0 | -5804000000.0 | 762000000.0 | -3623000000.0 | -714000000.0 |
| Issuance Of Capital Stock | 326000000.0 | 347000000.0 | 356000000.0 | 434000000.0 | 383000000.0 | 388000000.0 |
| Issuance Of Debt | | 2886000000.0 | 8477000000.0 | 6948000000.0 | 799000000.0 | 2485000000.0 |
| Long Term Debt Issuance | 1989000000.0 | 0.0 | 1477000000.0 | 1880000000.0 | 0.0 | 1487000000.0 |
| Long Term Debt Payments | -2000000000.0 | 0.0 | -1889000000.0 | -1446000000.0 | -914000000.0 | -1365000000.0 |
| Net Business Purchase And Sale | | -1377000000.0 | -4912000000.0 | -235000000.0 | -254000000.0 | -731000000.0 |
| Net Common Stock Issuance | | -3019000000.0 | -2773000000.0 | -2539000000.0 | -3738000000.0 | -7262000000.0 |
| Net Income From Continuing Operations | | 9043000000.0 | 12986000000.0 | 7339000000.0 | 10110000000.0 | 11573000000.0 |
| Net Investment Purchase And Sale | | -32000000.0 | 1340000000.0 | 918000000.0 | -2304000000.0 | 1047000000.0 |
| Net Issuance Payments Of Debt | | 1000000.0 | -415000000.0 | -64000000.0 | -914000000.0 | 122000000.0 |
| Net Long Term Debt Issuance | -11000000.0 | 0.0 | -412000000.0 | 434000000.0 | -914000000.0 | 122000000.0 |
| Net Other Financing Charges | | -772000000.0 | -800000000.0 | -540000000.0 | -949000000.0 | -1042000000.0 |
| Net Other Investing Changes | | -62000000.0 | 41000000.0 | 19000000.0 | -36000000.0 | -1000000.0 |
| Net PPEPurchase And Sale | | 3000000.0 | 5000000.0 | 127000000.0 | 10000000.0 | |
| Net Short Term Debt Issuance | | 1000000.0 | -3000000.0 | -498000000.0 | 0.0 | 0.0 |
| Operating Cash Flow | | 10536000000.0 | 9096000000.0 | 11299000000.0 | 12202000000.0 | 12663000000.0 |
| Operating Gains Losses | | -1002000000.0 | 432000000.0 | -152000000.0 | -349000000.0 | -332000000.0 |
| Other Non Cash Items | | -82000000.0 | -56000000.0 | 25000000.0 | -67000000.0 | -27000000.0 |
| Purchase Of Business | | -1377000000.0 | -4912000000.0 | -235000000.0 | -254000000.0 | -731000000.0 |
| Purchase Of Investment | | -5907000000.0 | -1414000000.0 | -668000000.0 | -5069000000.0 | -4698000000.0 |
| Repayment Of Debt | | -2885000000.0 | -8892000000.0 | -7012000000.0 | -1713000000.0 | -2363000000.0 |
| Repurchase Of Capital Stock | | -3366000000.0 | -3129000000.0 | -2973000000.0 | -4121000000.0 | -7650000000.0 |
| Sale Of Investment | | 5875000000.0 | 2754000000.0 | 1586000000.0 | 2765000000.0 | 5745000000.0 |
| Sale Of PPE | | 3000000.0 | 5000000.0 | 127000000.0 | 10000000.0 | |
| Short Term Debt Issuance | | 2886000000.0 | 7000000000.0 | 5068000000.0 | 799000000.0 | 998000000.0 |
| Short Term Debt Payments | | -2885000000.0 | -7003000000.0 | -5566000000.0 | -799000000.0 | -998000000.0 |
| Stock Based Compensation | | 1663000000.0 | 2031000000.0 | 2484000000.0 | 2648000000.0 | 2817000000.0 |