Income Taxes - Components of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal	$ 6	$ 16	$ 20
State	1	(1)	3
Foreign	89	81	77
Total current	96	96	100
Deferred:
Federal	(25)	(32)	(11)
State	(5)	(5)	5
Foreign	(10)	(5)	9
Total deferred	(40)	(42)	3
Total	$ 56	$ 54	$ 103

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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