Income Taxes - Schedule of Income Tax Expense/(Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current tax (benefit)/expense
U.S. federal	$ 9	$ (58)	$ (89)
Non-U.S.	179	142	147
U.S. state	19	(42)	42
Total current	207	42	100
Deferred tax (benefit)/expense
U.S. federal	6	(62)	(855)
Non-U.S.	5	(3)	(12)
U.S. state	19	54	24
Total deferred	30	(11)	(843)
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Total income tax expense/(benefit)	$ 237	$ 31	$ (743)