Income Taxes - Schedule of Components of Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Components of income tax expense (benefit)
Current	$ 114	$ (35)	$ 841
Deferred	(249)	(453)	451
Total income tax (benefit) expense	$ (135)	$ (488)	$ 1,292