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Income Taxes - Components of Provision for Income Taxes (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Current:      
Federal $ (7) $ (5) $ 23
State 4 (3) 1
Foreign 60 134 161
Total current income tax provision 57 126 185
Deferred:      
Federal (344) 11 (332)
State (18)   (2)
Foreign (64) (74) (7)
Total deferred income tax provision (426) (63) (341)
Total income tax provision $ (369) $ 63 $ (156)