Income Taxes - Significant Components of Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Current expense (benefit)
Federal	$ (102)	$ 108	$ 291
State	19	8	47
Foreign	310	490	513
Current expense (benefit)	227	606	851
Deferred (benefit) expense
Federal	(46)	(99)	(52)
State	(27)	6	(10)
Foreign	28	(37)	39
Deferred (benefit) expense	(45)	(130)	(23)
Income tax expense	$ 182	$ 476	$ 828