| | 2020-09-30 | 2021-06-30 | 2022-06-30 | 2023-06-30 | 2024-06-30 | 2025-06-30 |
| Asset Impairment Charge | | | 0.0 | 19000000.0 | 158000000.0 | 2000000.0 |
| Beginning Cash Position | | | 3370000000.0 | 2327000000.0 | 2023000000.0 | 1879000000.0 |
| Capital Expenditure | | | -1122000000.0 | -821000000.0 | -487000000.0 | -412000000.0 |
| Cash Dividends Paid | -448000000.0 | | 0.0 | 0.0 | 0.0 | -44000000.0 |
| Cash Flow From Continuing Financing Activities | | | -1718000000.0 | 875000000.0 | 187000000.0 | -1612000000.0 |
| Cash Flow From Continuing Investing Activities | | | -1192000000.0 | -762000000.0 | -27000000.0 | 150000000.0 |
| Cash Flow From Continuing Operating Activities | | | 1880000000.0 | -408000000.0 | -294000000.0 | 1691000000.0 |
| Change In Account Payable | | | -207000000.0 | -487000000.0 | 265000000.0 | 268000000.0 |
| Change In Accrued Expense | | | 123000000.0 | -514000000.0 | 456000000.0 | -412000000.0 |
| Change In Income Tax Payable | | | -74000000.0 | 130000000.0 | -474000000.0 | 348000000.0 |
| Change In Inventory | | | -22000000.0 | -60000000.0 | 356000000.0 | -409000000.0 |
| Change In Other Working Capital | | | -349000000.0 | -183000000.0 | -342000000.0 | -905000000.0 |
| Change In Payable | | | -281000000.0 | -357000000.0 | -209000000.0 | 616000000.0 |
| Change In Payables And Accrued Expense | | | -158000000.0 | -871000000.0 | 247000000.0 | 204000000.0 |
| Change In Receivables | | | -546000000.0 | 1206000000.0 | -568000000.0 | 79000000.0 |
| Change In Tax Payable | | | -74000000.0 | 130000000.0 | -474000000.0 | 348000000.0 |
| Change In Working Capital | | | -1075000000.0 | 92000000.0 | -307000000.0 | -1031000000.0 |
| Changes In Account Receivables | | | -546000000.0 | 1206000000.0 | -568000000.0 | 79000000.0 |
| Changes In Cash | | | -1030000000.0 | -295000000.0 | -134000000.0 | 229000000.0 |
| Common Stock Dividend Paid | -448000000.0 | | | | | |
| Common Stock Payments | | 0.0 | | 0.0 | 0.0 | -149000000.0 |
| Deferred Income Tax | | | 116000000.0 | -48000000.0 | -161000000.0 | -745000000.0 |
| Deferred Tax | | | 116000000.0 | -48000000.0 | -161000000.0 | -745000000.0 |
| Depreciation Amortization Depletion | | | 929000000.0 | 828000000.0 | 568000000.0 | 451000000.0 |
| Depreciation And Amortization | | | 929000000.0 | 828000000.0 | 568000000.0 | 451000000.0 |
| Dividends Received CFI | | | | 0.0 | 0.0 | 175000000.0 |
| Effect Of Exchange Rate Changes | | | -13000000.0 | -9000000.0 | -10000000.0 | 6000000.0 |
| End Cash Position | | | 2327000000.0 | 2023000000.0 | 1879000000.0 | 2114000000.0 |
| Financing Cash Flow | | | -1718000000.0 | 875000000.0 | 187000000.0 | -1612000000.0 |
| Free Cash Flow | | | 758000000.0 | -1229000000.0 | -781000000.0 | 1279000000.0 |
| Gain Loss On Sale Of Business | | | -9000000.0 | 0.0 | 0.0 | 659000000.0 |
| Income Tax Paid Supplemental Data | | | 423000000.0 | 177000000.0 | 920000000.0 | 789000000.0 |
| Interest Paid Supplemental Data | | | 245000000.0 | 294000000.0 | 396000000.0 | 367000000.0 |
| Investing Cash Flow | | | -1192000000.0 | -762000000.0 | -27000000.0 | 150000000.0 |
| Issuance Of Capital Stock | | 0.0 | 0.0 | 881000000.0 | | 0.0 |
| Issuance Of Debt | | | 1894000000.0 | 1180000000.0 | 3000000000.0 | 2150000000.0 |
| Long Term Debt Issuance | | | 1894000000.0 | 1180000000.0 | 3000000000.0 | 2150000000.0 |
| Long Term Debt Payments | | | -3621000000.0 | -1180000000.0 | -2609000000.0 | -2094000000.0 |
| Net Business Purchase And Sale | 0.0 | | 32000000.0 | 0.0 | 0.0 | 401000000.0 |
| Net Common Stock Issuance | | 0.0 | | 0.0 | 0.0 | -149000000.0 |
| Net Income From Continuing Operations | | | 1546000000.0 | -1684000000.0 | -798000000.0 | 1889000000.0 |
| Net Investment Purchase And Sale | | | -26000000.0 | 31000000.0 | 26000000.0 | 8000000.0 |
| Net Issuance Payments Of Debt | | | -1727000000.0 | 0.0 | 391000000.0 | 56000000.0 |
| Net Long Term Debt Issuance | | | -1727000000.0 | 0.0 | 391000000.0 | 56000000.0 |
| Net Other Financing Charges | | | -113000000.0 | -99000000.0 | -279000000.0 | -1552000000.0 |
| Net Other Investing Changes | | | -91000000.0 | 14000000.0 | 239000000.0 | -27000000.0 |
| Net PPEPurchase And Sale | | | -1107000000.0 | -807000000.0 | -292000000.0 | -407000000.0 |
| Net Preferred Stock Issuance | | | 0.0 | 881000000.0 | -5000000.0 | 0.0 |
| Net Short Term Debt Issuance | | 0.0 | | | | |
| Operating Cash Flow | | | 1880000000.0 | -408000000.0 | -294000000.0 | 1691000000.0 |
| Operating Gains Losses | | | -25000000.0 | -7000000.0 | -87000000.0 | 757000000.0 |
| Other Non Cash Items | 61000000.0 | | 63000000.0 | 74000000.0 | 38000000.0 | 103000000.0 |
| Preferred Stock Issuance | | 0.0 | 0.0 | 881000000.0 | | 0.0 |
| Preferred Stock Payments | | | | | -5000000.0 | |
| Proceeds From Stock Option Exercised | | | 122000000.0 | 93000000.0 | 80000000.0 | 77000000.0 |
| Purchase Of Business | 0.0 | 0.0 | 0.0 | | | |
| Purchase Of Investment | | 0.0 | -26000000.0 | | | |
| Purchase Of PPE | | | -1122000000.0 | -821000000.0 | -487000000.0 | -412000000.0 |
| Repayment Of Debt | | | -3621000000.0 | -1180000000.0 | -2609000000.0 | -2094000000.0 |
| Repurchase Of Capital Stock | | 0.0 | | 0.0 | -5000000.0 | -149000000.0 |
| Sale Of Business | | | 32000000.0 | 0.0 | 0.0 | 401000000.0 |
| Sale Of Investment | | 7000000.0 | | 31000000.0 | | 8000000.0 |
| Sale Of PPE | | | 15000000.0 | 14000000.0 | 195000000.0 | 5000000.0 |
| Short Term Debt Payments | | 0.0 | | | | |
| Stock Based Compensation | | | 326000000.0 | 318000000.0 | 295000000.0 | 265000000.0 |