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Income Taxes - Income Before Income Taxes and Income Tax Provision (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Components of Income Before Income Taxes      
U.S. $ 3,402 $ 3,192 $ 3,318
Foreign 5 9 17
Income Before Income Taxes 3,407 3,201 3,335
Current tax expense      
Federal 11 0 0
State 26 5 14
Foreign 3 0 4
Total 40 5 18
Deferred tax expense      
Federal 602 619 642
State 45 91 50
Total 647 710 692
Total $ 687 $ 715 $ 710