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Income Taxes - Income Tax Provision (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Current:      
Federal $ 2,803 $ 2,285 $ 2,615
State 735 665 518
Total current taxes 3,538 2,950 3,133
Deferred:      
Federal (1,526) (282) (450)
State (503) (120) (114)
Total deferred income taxes (2,029) (402) (564)
Total $ 1,509 $ 2,548 $ 2,569