Other Financial Information - Schedule of Cash and Cash Equivalents and Restricted Cash (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Financial Information [Abstract]
Cash and cash equivalents	$ 944	$ 1,363
Current restricted cash	32	55
Noncurrent restricted cash	71	56
Cash and cash equivalents and restricted cash, total	$ 1,047	$ 1,474	$ 1,924	$ 1,610