Fresh Start Accounting - Additional Information (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Feb. 09, 2021
Reorganization, Chapter 11 [Line Items]
Total assets	$ 14,376	$ 15,468	$ 6,814
Liabilities	$ 3,647	$ 6,344	3,228
Enterprise value			$ 4,851
Maximum
Reorganization, Chapter 11 [Line Items]
Percent of voting shares received by holders			50.00%
Predecessor
Reorganization, Chapter 11 [Line Items]
Total assets			$ 6,595
Liabilities			13,175
Reorganization, Chapter 11, Fresh-Start Adjustment
Reorganization, Chapter 11 [Line Items]
Total assets			359
Liabilities			149
Reorganization, Chapter 11, Fresh-Start Adjustment | Minimum
Reorganization, Chapter 11 [Line Items]
Enterprise value			3,500
Reorganization, Chapter 11, Fresh-Start Adjustment | Maximum
Reorganization, Chapter 11 [Line Items]
Enterprise value			$ 4,900