Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current:
U.S. Federal	$ 2	$ (1)	$ 2
State	46	52	7
Total current	48	51	9
Deferred:
U.S. Federal	561	421	(304)
State	46	36	(55)
Total deferred	607	457	(359)
Income tax expense (benefit)	$ 655	$ 508	$ (350)