Fresh-Start Adjustment, Increase (Decrease), Asset Retirement Obligations, Average Credit-Adjusted Risk-Free Rate

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- Definition

Fresh-Start Adjustment, Increase (Decrease), Asset Retirement Obligations, Inflation Factor

+ References

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- Definition

Fresh-Start Adjustment, Increase (Decrease), Income Tax Effects On Accumulated Other Comprehensive Income (Loss)

+ References

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- Definition

Fresh-Start Adjustment, Increase (Decrease), Long-term Debt, Fair Value Adjustments

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of fresh-start adjustment to accumulated other comprehensive Income or Loss.

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- Definition

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

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Fresh Start Accounting - Fresh Start Adjustments (Details) - USD ($) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended
	Feb. 09, 2021	Mar. 31, 2021	Mar. 31, 2021	Mar. 31, 2020
Debt Instrument [Line Items]
Inflation factor	2.00%
Average credit-adjusted risk-free rate	5.18%
Fresh start adjustments to accumulated other comprehensive income		$ 9	$ 9
Income tax effects on accumulated other comprehensive income		57	57
Income tax benefit	$ 57	$ 0	$ 57	$ 13
Senior Notes \| 5.5% senior notes due 2026
Debt Instrument [Line Items]
Debt, fair value adjustments	22
Senior Notes \| 5.875% senior notes due 2029
Debt Instrument [Line Items]
Debt, fair value adjustments	$ 30