Income Taxes - Components of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 16	$ 20	$ 10
State	(1)	3	8
Foreign	81	77	62
Total current	96	100	80
Deferred:
Federal	(32)	(11)	20
State	(5)	5	(10)
Foreign	(5)	9	(19)
Total deferred	(42)	3	(9)
(Benefit) provision for income taxes	$ 54	$ 103	$ 71