Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Share-Based Compensation Narrative (Details) - USD ($) shares in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 13, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 12, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for grant under Incentive Plans			8,000
Number of shares available for grant under Incentive Plans			3,000
Employee Share-Based Compensation Expense	$ 0	$ 46,000,000	$ 25,000,000	$ 0
Fresh-Start Adjustment, Acceleration Of Predecessor Preferred Stock					$ 24,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			5,000
Fresh-Start Adjustment, Acceleration Of Predecessor Preferred Stock, Executive Forfeiture					$ 2,000,000
Selling, General and Administrative Expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Share-Based Compensation Expense		$ 24,000,000