| | 2019-09-30 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-06-30 | 2025-12-31 |
| Asset Impairment Charge | | | 122000000.0 | 458000000.0 | 209000000.0 | 152000000.0 | 65000000.0 |
| Beginning Cash Position | | | 581000000.0 | 462000000.0 | 389000000.0 | 351000000.0 | 1589000000.0 |
| Capital Expenditure | | | -5357000000.0 | -8397000000.0 | -8215000000.0 | -9025000000.0 | -10612000000.0 |
| Capital Expenditure Reported | | | -5357000000.0 | -8397000000.0 | -8215000000.0 | -9025000000.0 | -10612000000.0 |
| Cash Dividends Paid | | | -1474000000.0 | -1527000000.0 | -1543000000.0 | -1589000000.0 | -1643000000.0 |
| Cash Flow From Continuing Financing Activities | | | 3779000000.0 | 2419000000.0 | 5424000000.0 | 5697000000.0 | 9930000000.0 |
| Cash Flow From Continuing Investing Activities | | | -5039000000.0 | -8716000000.0 | -9118000000.0 | -10513000000.0 | -12537000000.0 |
| Cash Flow From Continuing Operating Activities | | | 1142000000.0 | 6218000000.0 | 4907000000.0 | 4653000000.0 | 4565000000.0 |
| Cash From Discontinued Financing Activities | | 0.0 | 0.0 | | | | |
| Cash From Discontinued Investing Activities | | 0.0 | 0.0 | | | | |
| Cash From Discontinued Operating Activities | | 0.0 | 0.0 | | | | |
| Change In Account Payable | | | 430000000.0 | -270000000.0 | -131000000.0 | | -7000000.0 |
| Change In Inventory | | | -17000000.0 | -80000000.0 | -74000000.0 | | -64000000.0 |
| Change In Other Current Assets | | | -1608000000.0 | 11000000.0 | -30000000.0 | | -296000000.0 |
| Change In Other Current Liabilities | | | 228000000.0 | 1172000000.0 | 130000000.0 | | 177000000.0 |
| Change In Other Working Capital | | | -2439000000.0 | -166000000.0 | -625000000.0 | -945000000.0 | -719000000.0 |
| Change In Payable | | | 430000000.0 | -270000000.0 | -131000000.0 | | -7000000.0 |
| Change In Payables And Accrued Expense | | | 430000000.0 | -270000000.0 | -131000000.0 | | -7000000.0 |
| Change In Receivables | | | -616000000.0 | 168000000.0 | 118000000.0 | | -66000000.0 |
| Change In Working Capital | | | -4022000000.0 | 835000000.0 | -612000000.0 | -920000000.0 | -975000000.0 |
| Changes In Account Receivables | | | -976000000.0 | 168000000.0 | 118000000.0 | | -66000000.0 |
| Changes In Cash | | | -118000000.0 | -79000000.0 | 1213000000.0 | -164000000.0 | 1958000000.0 |
| Common Stock Dividend Paid | | | -1430000000.0 | -1483000000.0 | -1499000000.0 | -1545000000.0 | -1603000000.0 |
| Common Stock Issuance | | | 4000000.0 | 145000000.0 | 1219000000.0 | 1220000000.0 | 32000000.0 |
| Common Stock Payments | | | -478000000.0 | -32000000.0 | -43000000.0 | -61000000.0 | -58000000.0 |
| Deferred Income Tax | | | 392000000.0 | 249000000.0 | -20000000.0 | 142000000.0 | 533000000.0 |
| Deferred Tax | | | 392000000.0 | 249000000.0 | -20000000.0 | 142000000.0 | 533000000.0 |
| Depreciation Amortization Depletion | | | 2019000000.0 | 2227000000.0 | 2437000000.0 | 2533000000.0 | 2563000000.0 |
| Depreciation And Amortization | | | 2019000000.0 | 2227000000.0 | 2437000000.0 | 2533000000.0 | 2563000000.0 |
| Dividend Received CFO | | | 854000000.0 | 912000000.0 | 1093000000.0 | 1204000000.0 | 1120000000.0 |
| Dividends Received CFI | | | 0.0 | 0.0 | 9000000.0 | | 0.0 |
| Earnings Losses From Equity Investments | | | -1498000000.0 | -1481000000.0 | -1609000000.0 | -1546000000.0 | -1604000000.0 |
| Effect Of Exchange Rate Changes | | | -1000000.0 | 6000000.0 | -13000000.0 | -4000000.0 | 5000000.0 |
| End Cash Position | | | 462000000.0 | 389000000.0 | 1589000000.0 | 187000000.0 | 3552000000.0 |
| Financing Cash Flow | | | 3779000000.0 | 2419000000.0 | 5424000000.0 | 5697000000.0 | 9930000000.0 |
| Free Cash Flow | | | -4215000000.0 | -2179000000.0 | -3308000000.0 | -4372000000.0 | -6047000000.0 |
| Gain Loss On Investment Securities | 22000000.0 | | 863000000.0 | -666000000.0 | -197000000.0 | -143000000.0 | 92000000.0 |
| Income Tax Paid Supplemental Data | | 230000000.0 | 284000000.0 | 197000000.0 | 289000000.0 | 346000000.0 | |
| Interest Paid Supplemental Data | | 1163000000.0 | 1014000000.0 | 1172000000.0 | 1205000000.0 | 1322000000.0 | |
| Investing Cash Flow | | | -5039000000.0 | -8716000000.0 | -9118000000.0 | -10513000000.0 | -12537000000.0 |
| Issuance Of Capital Stock | | | 4000000.0 | 145000000.0 | 1219000000.0 | 1220000000.0 | 32000000.0 |
| Issuance Of Debt | | | 9984000000.0 | 7669000000.0 | 8674000000.0 | 10320000000.0 | 11282000000.0 |
| Long Term Debt Issuance | | | 9984000000.0 | 7669000000.0 | 8674000000.0 | 10320000000.0 | 11282000000.0 |
| Long Term Debt Payments | | | -4510000000.0 | -6294000000.0 | -3339000000.0 | -5553000000.0 | -5220000000.0 |
| Net Common Stock Issuance | | | -474000000.0 | 113000000.0 | 1176000000.0 | 1159000000.0 | -26000000.0 |
| Net Foreign Currency Exchange Gain Loss | | 18000000.0 | 24000000.0 | -2000000.0 | | | |
| Net Income From Continuing Operations | | | 2285000000.0 | 3618000000.0 | 3500000000.0 | 3186000000.0 | 2072000000.0 |
| Net Investment Purchase And Sale | | | -314000000.0 | -331000000.0 | -935000000.0 | -1512000000.0 | -1948000000.0 |
| Net Issuance Payments Of Debt | | | 4208000000.0 | 1927000000.0 | 4778000000.0 | 5709000000.0 | 7324000000.0 |
| Net Long Term Debt Issuance | | | 5474000000.0 | 1375000000.0 | 5335000000.0 | 4767000000.0 | 6062000000.0 |
| Net Other Financing Charges | | | 1519000000.0 | 1906000000.0 | 1013000000.0 | 418000000.0 | 5175000000.0 |
| Net Other Investing Changes | | | 632000000.0 | 12000000.0 | 23000000.0 | | 23000000.0 |
| Net Preferred Stock Issuance | | | 0.0 | 0.0 | 0.0 | | -900000000.0 |
| Net Short Term Debt Issuance | | | -1266000000.0 | 552000000.0 | -557000000.0 | 942000000.0 | 1262000000.0 |
| Operating Cash Flow | | | 1142000000.0 | 6218000000.0 | 4907000000.0 | 4653000000.0 | 4565000000.0 |
| Operating Gains Losses | | | -635000000.0 | -2147000000.0 | -1806000000.0 | -1689000000.0 | -1512000000.0 |
| Other Non Cash Items | | | 56000000.0 | -14000000.0 | 20000000.0 | -11000000.0 | 635000000.0 |
| Preferred Stock Dividend Paid | | | -44000000.0 | -44000000.0 | -44000000.0 | -44000000.0 | -40000000.0 |
| Preferred Stock Issuance | | 0.0 | 0.0 | | | | |
| Preferred Stock Payments | | | | 0.0 | 0.0 | | -900000000.0 |
| Purchase Of Investment | | | -1076000000.0 | -992000000.0 | -1877000000.0 | -2592000000.0 | -3046000000.0 |
| Repayment Of Debt | | | -4510000000.0 | -6294000000.0 | -3339000000.0 | -5553000000.0 | -5220000000.0 |
| Repurchase Of Capital Stock | | | -478000000.0 | -32000000.0 | -43000000.0 | -61000000.0 | -958000000.0 |
| Sale Of Business | 79000000.0 | | | | | | |
| Sale Of Investment | | | 762000000.0 | 661000000.0 | 942000000.0 | 1080000000.0 | 1098000000.0 |
| Short Term Debt Issuance | | 1913000000.0 | | | | | |
| Short Term Debt Payments | | | -1266000000.0 | | | | |
| Stock Based Compensation | | | 71000000.0 | 80000000.0 | 86000000.0 | 56000000.0 | 64000000.0 |