Income Taxes - Summary of Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current
Federal	$ 343	$ 387	$ 791
State	26	42	78
Total	369	429	869
Deferred
Federal	(72)	52	217
State	(73)	22	18
Total	(145)	74	235
Income tax expense	$ 224	$ 503	$ 1,104