Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Current:
Federal	$ 1	$ 1
State	0	2
Total	1	3
Deferred:
Federal	237	94
State	46	21
Total	283	115
Provision (benefit) for income taxes	$ 284	$ 118

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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