Income Tax Provision (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current:
Federal	$ 9	$ 24	$ 29
State	5	0	30
Foreign	4	4	2
Current Income Tax Expense (Benefit)	18	28	61
Deferred:
Federal	(31)	(78)	70
State	(2)	(18)	2
Foreign	0	0	0
Deferred Income Tax Expense (Benefit)	(33)	(96)	72
Income tax (benefit) expense	$ (15)	$ (68)	$ 133

Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction.

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