Income Taxes - Schedule of Income Taxes (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Income before income taxes	$ 312	$ 219
Estimated annualized effective tax rate	39.20%	57.10%
Income tax expense	$ 122	$ 125
Favorable tax impact related to losses in jurisdictions with no tax benefit	(28)	(46)
Discrete tax (benefit) expense	(1)	1
Provision for income taxes	$ 93	$ 80