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Income Taxes - Schedule of Income Tax Expense (Benefit) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Federal:      
Current $ (1,776) $ (1,450) $ (1,646)
Deferred 250 164 843
Federal income tax expense (benefit), continuing operations (1,526) (1,286) (803)
State:      
Current (228) (198) (135)
Deferred (185) 97 42
State and local income tax expense (benefit), continuing operations (413) (101) (93)
Foreign:      
Current (185) (155) (124)
Deferred 47 (38) 1,224
Foreign income tax expense (benefit), continuing operations (138) (193) 1,100
Income tax (expense) benefit $ (2,077) $ (1,580) $ 204