Income Taxes - Income Tax Provision (Benefit) (Details) - USD ($) $ in Millions	1 Months Ended	11 Months Ended	12 Months Ended
Feb. 09, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current
Federal	$ 0	$ 0	$ (3)	$ 0
State	0	0	(6)	(26)
Current Income Taxes	0	0	(9)	(26)
Deferred
Federal	(54)	(45)	0	(297)
State	(3)	(4)	(10)	(8)
Deferred Income Taxes	(57)	(49)	(10)	(305)
Total	$ (57)	$ (49)	$ (19)	$ (331)

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