Income Taxes - Components of United States and Foreign Tax (Benefit) Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current:
Federal	$ 37	$ 0	$ 1
Foreign	177	150	166
State	26	12	37
Current income tax expense (benefit)	240	162	204
Deferred:
Federal	(123)	(28)	(362)
Foreign	(62)	46	(23)
State	(45)	10	(86)
Deferred income tax expense (benefit)	(230)	28	(471)
United States and Foreign Tax Expense (Benefit)	$ 10	$ 190	$ (267)