Income Taxes - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Tax Contingency [Line Items]
Income tax expense (benefit)	$ 0	$ 31	$ 13	$ 48
Recognized benefit from provision to return adjustments	6		4
Benefit related to uncertain tax position settlements	7		7
Valuation allowance against interest expense deduction carryforwards		34		34
Deferred tax impact of tax law change		$ 14		$ 14
Minimum
Income Tax Contingency [Line Items]
Reasonable possible decrease in unrecognized tax benefits	3		3
Maximum
Income Tax Contingency [Line Items]
Reasonable possible decrease in unrecognized tax benefits	$ 5		$ 5

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Valuation allowance against interest expense deduction carryforwards

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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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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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 revisions of previously reported income tax expense (benefit).

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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 increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.

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