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Fresh Start Accounting - Additional Information (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Feb. 09, 2021
Reorganization, Chapter 11 [Line Items]
Total assets	$ 15,468	$ 11,009	$ 6,814
Liabilities	6,344	5,338	3,228
Liabilities and Equity	$ 15,468	$ 11,009	6,814
Enterprise value			4,851
Predecessor
Reorganization, Chapter 11 [Line Items]
Total assets			6,595
Liabilities			13,175
Liabilities and Equity			6,595
Reorganization, Chapter 11, Fresh-Start Adjustment
Reorganization, Chapter 11 [Line Items]
Total assets			359
Liabilities			149
Liabilities and Equity			359
Minimum | Reorganization, Chapter 11, Fresh-Start Adjustment
Reorganization, Chapter 11 [Line Items]
Enterprise value			$ 3,500
Maximum
Reorganization, Chapter 11 [Line Items]
Percent of voting hares received by holders			50.00%
Maximum | Reorganization, Chapter 11, Fresh-Start Adjustment
Reorganization, Chapter 11 [Line Items]
Enterprise value			$ 4,900

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