Accumulated Other Comprehensive Income (Loss) - Schedule of Income Tax (Provision) Benefit Allocated to Components of OCI (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Equity [Abstract]
Foreign currency translation adjustments	$ 7	$ (12)	$ 16	$ (11)
Pension and postretirement benefit costs	1	1	3	3
Derivative financial instruments	4	(2)	7	5
Income tax provision (benefit) related to AOCL	$ 12	$ (13)	$ 26	$ (3)