| | 2019-12-31 | 2020-12-31 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-09-30 |
| Amortization Of Securities | 83000000.0 | 140000000.0 | | | | |
| Asset Impairment Charge | -942000000.0 | 1932000000.0 | 1624000000.0 | 0.0 | | |
| Beginning Cash Position | | 209000000.0 | 1209000000.0 | 1147000000.0 | 794000000.0 | 97000000.0 |
| Capital Expenditure | | -1707000000.0 | -1281000000.0 | -1621000000.0 | -2345000000.0 | -2513000000.0 |
| Capital Expenditure Reported | | -1707000000.0 | -1281000000.0 | -1621000000.0 | -2317000000.0 | -2485000000.0 |
| Cash Dividends Paid | | -2441000000.0 | -2525000000.0 | -2504000000.0 | -2529000000.0 | -2546000000.0 |
| Cash Flow From Continuing Financing Activities | | -2638000000.0 | -3465000000.0 | -3145000000.0 | -3014000000.0 | -2111000000.0 |
| Cash Flow From Continuing Investing Activities | | -911000000.0 | -2305000000.0 | -2175000000.0 | -4175000000.0 | -4300000000.0 |
| Cash Flow From Continuing Operating Activities | | 4550000000.0 | 5708000000.0 | 4967000000.0 | 6491000000.0 | 6447000000.0 |
| Change In Account Payable | | -19000000.0 | 387000000.0 | 161000000.0 | -201000000.0 | -193000000.0 |
| Change In Accrued Expense | | -51000000.0 | -17000000.0 | 50000000.0 | -13000000.0 | -20000000.0 |
| Change In Income Tax Payable | -142000000.0 | -93000000.0 | 2000000.0 | -5000000.0 | | |
| Change In Interest Payable | | -51000000.0 | -17000000.0 | 50000000.0 | -13000000.0 | -20000000.0 |
| Change In Inventory | | 16000000.0 | -202000000.0 | -183000000.0 | 188000000.0 | 60000000.0 |
| Change In Other Current Assets | | 49000000.0 | -109000000.0 | -51000000.0 | 108000000.0 | 17000000.0 |
| Change In Other Current Liabilities | | -81000000.0 | 165000000.0 | 6000000.0 | -58000000.0 | -21000000.0 |
| Change In Other Working Capital | | | -28000000.0 | -24000000.0 | 870000000.0 | |
| Change In Payable | | -112000000.0 | 387000000.0 | 161000000.0 | -201000000.0 | -199000000.0 |
| Change In Payables And Accrued Expense | | -163000000.0 | 370000000.0 | 211000000.0 | -214000000.0 | -219000000.0 |
| Change In Receivables | | 88000000.0 | -265000000.0 | -220000000.0 | 301000000.0 | 250000000.0 |
| Change In Tax Payable | -142000000.0 | -93000000.0 | 2000000.0 | -5000000.0 | | |
| Change In Working Capital | | -91000000.0 | -69000000.0 | -261000000.0 | 1195000000.0 | 957000000.0 |
| Changes In Account Receivables | | 88000000.0 | -265000000.0 | -220000000.0 | 301000000.0 | 250000000.0 |
| Changes In Cash | | 1001000000.0 | -62000000.0 | -353000000.0 | -698000000.0 | 36000000.0 |
| Common Stock Dividend Paid | | -2441000000.0 | -2525000000.0 | -2504000000.0 | -2529000000.0 | -2546000000.0 |
| Common Stock Payments | | -50000000.0 | 0.0 | -368000000.0 | -522000000.0 | -139000000.0 |
| Deferred Income Tax | | 345000000.0 | 355000000.0 | 692000000.0 | 710000000.0 | 669000000.0 |
| Deferred Tax | | 345000000.0 | 355000000.0 | 692000000.0 | 710000000.0 | 669000000.0 |
| Depreciation Amortization Depletion | | 2164000000.0 | 2135000000.0 | 2186000000.0 | 2250000000.0 | 2325000000.0 |
| Dividend Received CFO | | 633000000.0 | 720000000.0 | 725000000.0 | 755000000.0 | 783000000.0 |
| Dividends Received CFI | | 154000000.0 | 163000000.0 | 156000000.0 | 228000000.0 | 179000000.0 |
| Earnings Losses From Equity Investments | | -780000000.0 | -591000000.0 | -803000000.0 | -838000000.0 | -893000000.0 |
| Effect Of Exchange Rate Changes | 29000000.0 | -1000000.0 | 0.0 | 0.0 | | |
| End Cash Position | | 1209000000.0 | 1147000000.0 | 794000000.0 | 96000000.0 | 133000000.0 |
| Financing Cash Flow | | -2638000000.0 | -3465000000.0 | -3145000000.0 | -3014000000.0 | -2111000000.0 |
| Free Cash Flow | | 2843000000.0 | 4427000000.0 | 3346000000.0 | 4146000000.0 | 3934000000.0 |
| Gain Loss On Investment Securities | | -5000000.0 | 20000000.0 | 56000000.0 | -126000000.0 | -1000000.0 |
| Gain Loss On Sale Of Business | | 1932000000.0 | 1418000000.0 | 0.0 | -15000000.0 | -75000000.0 |
| Gain Loss On Sale Of PPE | | | | -32000000.0 | | |
| Income Tax Paid Supplemental Data | | 227000000.0 | 10000000.0 | 13000000.0 | 11000000.0 | 27000000.0 |
| Interest Paid Supplemental Data | | 1661000000.0 | 1529000000.0 | 1460000000.0 | 1844000000.0 | 1881000000.0 |
| Investing Cash Flow | | -911000000.0 | -2305000000.0 | -2175000000.0 | -4175000000.0 | -4300000000.0 |
| Issuance Of Debt | | 3888000000.0 | 5959000000.0 | 9058000000.0 | 7590000000.0 | 12020000000.0 |
| Long Term Debt Issuance | | 3888000000.0 | 5959000000.0 | 9058000000.0 | 7590000000.0 | 12020000000.0 |
| Long Term Debt Payments | | -3996000000.0 | -6831000000.0 | -9735000000.0 | -7356000000.0 | -11242000000.0 |
| Net Business Purchase And Sale | | 0.0 | -1547000000.0 | -487000000.0 | -1842000000.0 | |
| Net Common Stock Issuance | | -50000000.0 | 0.0 | -368000000.0 | -522000000.0 | -139000000.0 |
| Net Income From Continuing Operations | | 180000000.0 | 1850000000.0 | 2625000000.0 | 2486000000.0 | 2644000000.0 |
| Net Investment Purchase And Sale | | -386000000.0 | -38000000.0 | -229000000.0 | -212000000.0 | -126000000.0 |
| Net Issuance Payments Of Debt | | -108000000.0 | -872000000.0 | -677000000.0 | 234000000.0 | 778000000.0 |
| Net Long Term Debt Issuance | | -108000000.0 | -872000000.0 | -677000000.0 | 234000000.0 | 778000000.0 |
| Net Other Financing Charges | | -39000000.0 | -68000000.0 | 404000000.0 | -197000000.0 | -204000000.0 |
| Net Other Investing Changes | | -41000000.0 | -8000000.0 | -487000000.0 | -4000000.0 | 2000000.0 |
| Net PPEPurchase And Sale | | 1069000000.0 | 406000000.0 | 6000000.0 | -28000000.0 | |
| Operating Cash Flow | | 4550000000.0 | 5708000000.0 | 4967000000.0 | 6491000000.0 | 6447000000.0 |
| Operating Gains Losses | | 1152000000.0 | 847000000.0 | -779000000.0 | -979000000.0 | -969000000.0 |
| Other Non Cash Items | | 167000000.0 | -130000000.0 | -221000000.0 | 74000000.0 | 38000000.0 |
| Pension And Employee Benefit Expense | 14000000.0 | -90000000.0 | -39000000.0 | -50000000.0 | | |
| Preferred Stock Dividend Paid | 0.0 | 0.0 | | | | |
| Purchase Of Business | | 0.0 | -1547000000.0 | -487000000.0 | -1842000000.0 | |
| Purchase Of Investment | | -386000000.0 | -38000000.0 | -229000000.0 | -212000000.0 | -126000000.0 |
| Purchase Of PPE | | | | | -28000000.0 | |
| Repayment Of Debt | | -3996000000.0 | -6831000000.0 | -9735000000.0 | -7356000000.0 | -11242000000.0 |
| Repurchase Of Capital Stock | | -50000000.0 | 0.0 | -368000000.0 | -522000000.0 | -139000000.0 |
| Sale Of Business | 1527000000.0 | 0.0 | 0.0 | | | |
| Sale Of Investment | 1527000000.0 | | | | | |
| Sale Of PPE | 82000000.0 | 1069000000.0 | 406000000.0 | 6000000.0 | | |
