Income Taxes - Provision for (Benefit from) Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Current:
Federal	$ 0	$ 14	$ 0
State	15	11	45
Foreign	75	70	43
Current income tax provision	90	95	88
Deferred:
Federal	37	(644)	77
State	(32)	(211)	47
Foreign	(29)	(50)	67
Deferred income tax provision (benefit)	(24)	(905)	191
Provision for (benefit from) income taxes	$ 66	$ (810)	$ 279