Income Taxes - Changes in Unrecognized Tax Benefits (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning Balance	$ 57	$ 54	$ 61
Additions for tax positions related to current year	4	4	6
Additions for tax positions for prior years	3	0	0
Reductions for tax positions for prior years	(3)	(1)	(8)
Settlements	0	(3)	(4)
Statute of limitations	0	0	(1)
Foreign currency translation	(3)
Foreign currency translation		3	0
Ending Balance	$ 58	$ 57	$ 54