Income Taxes - Current and Deferred (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Federal			$ 31
State			8
Current Income Tax Expense (Benefit)			39
Federal			(349)
State			(92)
Deferred income taxes			(441)
Total income tax benefit	$ (1)	$ (3)	$ (402)