| | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
| Asset Impairment Charge | | 434000000.0 | 85000000.0 | 38000000.0 | -4000000.0 |
| Beginning Cash Position | | 520000000.0 | 603000000.0 | 357000000.0 | 421000000.0 |
| Capital Expenditure | | -11367000000.0 | -12604000000.0 | -12280000000.0 | -14024000000.0 |
| Capital Expenditure Reported | | -11367000000.0 | -12604000000.0 | -12280000000.0 | -14024000000.0 |
| Cash Dividends Paid | | -3179000000.0 | -3244000000.0 | -3213000000.0 | -3300000000.0 |
| Cash Flow From Continuing Financing Activities | | 6129000000.0 | 2351000000.0 | 859000000.0 | 1950000000.0 |
| Cash Flow From Continuing Investing Activities | | -11973000000.0 | -12475000000.0 | -13123000000.0 | -14338000000.0 |
| Cash Flow From Continuing Operating Activities | | 5927000000.0 | 9878000000.0 | 12328000000.0 | 12330000000.0 |
| Change In Account Payable | | 805000000.0 | -800000000.0 | 1329000000.0 | -821000000.0 |
| Change In Income Tax Payable | | 10000000.0 | 126000000.0 | 32000000.0 | 127000000.0 |
| Change In Inventory | | -476000000.0 | -706000000.0 | -212000000.0 | -63000000.0 |
| Change In Other Current Assets | | -3075000000.0 | 647000000.0 | -285000000.0 | -259000000.0 |
| Change In Other Current Liabilities | | 257000000.0 | 495000000.0 | 413000000.0 | 587000000.0 |
| Change In Other Working Capital | 50000000.0 | 19000000.0 | -18000000.0 | -103000000.0 | |
| Change In Payable | | 815000000.0 | -674000000.0 | 1361000000.0 | -694000000.0 |
| Change In Payables And Accrued Expense | | 815000000.0 | -674000000.0 | 1361000000.0 | -694000000.0 |
| Change In Receivables | | -788000000.0 | 443000000.0 | -23000000.0 | -187000000.0 |
| Change In Tax Payable | | 10000000.0 | 126000000.0 | 32000000.0 | 127000000.0 |
| Change In Working Capital | | -3248000000.0 | 187000000.0 | 1151000000.0 | -616000000.0 |
| Changes In Cash | | 83000000.0 | -246000000.0 | 64000000.0 | -58000000.0 |
| Common Stock Dividend Paid | | -3179000000.0 | -3244000000.0 | -3213000000.0 | -3300000000.0 |
| Common Stock Issuance | | 9000000.0 | 8000000.0 | 405000000.0 | 16000000.0 |
| Deferred Income Tax | | -200000000.0 | 3000000.0 | 987000000.0 | 1204000000.0 |
| Deferred Tax | | -200000000.0 | 3000000.0 | 987000000.0 | 1204000000.0 |
| Depreciation | | 5843000000.0 | 6084000000.0 | 6419000000.0 | 7704000000.0 |
| Depreciation Amortization Depletion | | 5843000000.0 | 6084000000.0 | 6419000000.0 | 7704000000.0 |
| Depreciation And Amortization | | 5843000000.0 | 6084000000.0 | 6419000000.0 | 7704000000.0 |
| Earnings Losses From Equity Investments | | -114000000.0 | -98000000.0 | 9000000.0 | -51000000.0 |
| End Cash Position | | 603000000.0 | 357000000.0 | 421000000.0 | 363000000.0 |
| Financing Cash Flow | | 6129000000.0 | 2351000000.0 | 859000000.0 | 1950000000.0 |
| Free Cash Flow | | -5440000000.0 | -2726000000.0 | 48000000.0 | -1694000000.0 |
| Gain Loss On Sale Of Business | | 1748000000.0 | 1725000000.0 | 14000000.0 | 4000000.0 |
| Income Tax Paid Supplemental Data | | | 1000000.0 | | |
| Interest Paid Supplemental Data | | 2361000000.0 | 2883000000.0 | 3284000000.0 | 3590000000.0 |
| Investing Cash Flow | | -11973000000.0 | -12475000000.0 | -13123000000.0 | -14338000000.0 |
| Issuance Of Capital Stock | | 9000000.0 | 8000000.0 | 405000000.0 | 16000000.0 |
| Issuance Of Debt | | 12735000000.0 | 10638000000.0 | 9513000000.0 | 12015000000.0 |
| Long Term Debt Issuance | | 11874000000.0 | 10028000000.0 | 8956000000.0 | 11891000000.0 |
| Long Term Debt Payments | | -4396000000.0 | -4737000000.0 | -3357000000.0 | -5652000000.0 |
| Net Business Purchase And Sale | | -52000000.0 | 716000000.0 | 17000000.0 | 581000000.0 |
| Net Common Stock Issuance | | 9000000.0 | 8000000.0 | 405000000.0 | 16000000.0 |
| Net Income From Continuing Operations | | 2455000000.0 | 2874000000.0 | 4614000000.0 | 5071000000.0 |
| Net Investment Purchase And Sale | | 90000000.0 | 63000000.0 | 100000000.0 | 117000000.0 |
| Net Issuance Payments Of Debt | | 8052000000.0 | 5433000000.0 | 4672000000.0 | 5120000000.0 |
| Net Long Term Debt Issuance | | 7478000000.0 | 5291000000.0 | 5599000000.0 | 6239000000.0 |
| Net Other Financing Charges | | 1247000000.0 | 154000000.0 | -5000000.0 | 114000000.0 |
| Net Other Investing Changes | | -644000000.0 | -650000000.0 | -960000000.0 | -1012000000.0 |
| Net Preferred Stock Issuance | | 0.0 | 0.0 | -1000000000.0 | 0.0 |
| Net Short Term Debt Issuance | | 574000000.0 | 142000000.0 | -927000000.0 | -1119000000.0 |
| Operating Cash Flow | | 5927000000.0 | 9878000000.0 | 12328000000.0 | 12330000000.0 |
| Operating Gains Losses | | 1612000000.0 | 1575000000.0 | -3000000.0 | -92000000.0 |
| Other Non Cash Items | | -839000000.0 | -930000000.0 | -878000000.0 | -937000000.0 |
| Preferred Stock Issuance | 0.0 | | | | |
| Preferred Stock Payments | | 0.0 | 0.0 | -1000000000.0 | 0.0 |
| Provisionand Write Offof Assets | -70000000.0 | -130000000.0 | -63000000.0 | -27000000.0 | |
| Purchase Of Business | | -58000000.0 | -34000000.0 | -8000000.0 | 0.0 |
| Purchase Of Investment | | -4243000000.0 | -3761000000.0 | -5703000000.0 | -8888000000.0 |
| Repayment Of Debt | | -4683000000.0 | -5205000000.0 | -4841000000.0 | -6895000000.0 |
| Repurchase Of Capital Stock | | 0.0 | 0.0 | -1000000000.0 | 0.0 |
| Sale Of Business | | 6000000.0 | 750000000.0 | 25000000.0 | 581000000.0 |
| Sale Of Investment | | 4333000000.0 | 3824000000.0 | 5803000000.0 | 9005000000.0 |
| Short Term Debt Issuance | | 861000000.0 | 610000000.0 | 557000000.0 | 124000000.0 |
| Short Term Debt Payments | | -287000000.0 | -468000000.0 | -1484000000.0 | -1243000000.0 |