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Income Taxes And Tax-Related Items Current and Deferred Components of the Provision for Income Taxes (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Abstract]      
Current federal income tax $ 297 $ 296 $ 212
Current foreign income tax 9 6 5
Current state and local income tax 49 50 26
Total current income tax 355 352 243
Deferred federal income tax (83) (24) 62
Deferred state and local income tax (9) (3) 17
Total deferred income tax (92) (27) 79
Provision for income taxes $ 263 $ 325 $ 322