Other Financial Information - Schedule of Cash Paid for Interest and Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Financial Information [Abstract]
Interest, net of amount capitalized	$ 191	$ 135	$ 113
Income taxes, net of amount refunded	$ 152	$ 183	$ 732