Accumulated Other Comprehensive Income (Loss) - Schedule of Income Tax (Provision) Benefit Allocated to Components of OCI (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Equity [Abstract]
Foreign currency translation adjustments	$ 12	$ 7
Pension and postretirement benefit costs	1	(3)
Derivative financial instruments	2	9
Income tax provision related to AOCL	$ 15	$ 13