Income Taxes - Pretax Income (Loss) for Domestic and Foreign Operations (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
United States (U.S.)	$ (2,642)	$ 1,418	$ 3,114
Foreign	15	496	522
Income (loss) before income taxes	$ (2,627)	$ 1,914	$ 3,636