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Income Taxes - Schedule of Components of Provision for (Benefit from) Income Taxes (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Current tax expense (benefit):      
U.S. federal $ 4 $ 13 $ 23
U.S. state and local 1 (1) 4
International 75 79 110
Total current tax expense 80 91 137
Deferred tax expense (benefit):      
U.S. federal (86) (77) 20
U.S. state and local (12) (5) 3
International (22) (81) (1)
Total deferred tax (benefit) expense (120) (163) 22
Total (benefit from) provision for income taxes $ (40) $ (72) $ 159