Income Tax Provision (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal	$ 29	$ (5)	$ 3
State	30	13	7
Foreign	2	2	1
Current Income Tax Expense (Benefit)	61	10	11
Deferred:
Federal	70	(66)	4
State	2	(48)	(1)
Foreign	0	0	0
Deferred Income Tax Expense (Benefit)	72	(114)	3
Income tax expense (benefit)	$ 133	$ (104)	$ 14

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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