Income Taxes - Summary of Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current
Federal	$ 791	$ 207	$ (32)
State	78	11	1
Total	869	218	(31)
Deferred
Federal	217	119	68
State	18	7	4
Total	235	126	72
Income tax expense	$ 1,104	$ 344	$ 41