Income Taxes - Summary of Income Tax Provision (Benefit) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current:
U.S. federal	$ 32	$ 9	$ 17
State	13	8	19
Foreign	22	9	7
Total current tax provision	67	26	43
Deferred:
U.S. federal	(32)	6	(50)
State	(3)	2	(20)
Foreign	(12)	(2)	(4)
Total deferred tax (benefit) provision	(47)	6	(74)
Total income tax provision (benefit)	$ 20	$ 32	$ (31)