Income Taxes - Components of Income Tax Provision (Benefit) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
United States - Federal, Current income tax expense (benefit)	$ 0	$ 0	$ 0
United States - Federal, Deferred income taxes and other accruals expense (benefit)	31	22	12
United States - State, Current & Deferred income taxes and other accruals expense (benefit)	7	5	3
United States - Current & Deferred income taxes, and other accruals expense (benefit)	38	27	15
Foreign - Current income tax expense (benefit)	537	789	478
Foreign - Deferred income taxes and other accruals expense (benefit)	158	283	107
Foreign - Current & Deferred income taxes and other accruals expense (benefit)	695	1,072	585
Provision (Benefit) For Income Taxes	$ 733	$ 1,099	$ 600