Income Taxes - Schedule Of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Income (loss) before income taxes	$ 2,746	$ (261)	$ 1,008
Federal statutory income tax rate	21.00%	21.00%	21.00%
Benefit (provision) for federal income taxes at the statutory rate	$ (577)	$ 55	$ (212)
State income tax provision (net of federal tax)	(33)	(5)	(12)
Transaction costs	(6)	0	0
Other	(12)	11	(11)
Income tax benefit (provision)	$ (628)	$ 61	$ (235)
Effective tax rate	23.00%	23.00%	23.00%

Effective Income Tax Rate Reconciliation, Transaction Costs, Amount

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Income loss from continuing operations before tax

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

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