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Fresh Start Accounting - Cumulative Net Impact on Accumulated Deficit (Details) - USD ($) $ in Millions |  | 1 Months Ended | 11 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Feb. 09, 2021 | Feb. 09, 2021 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2020
Reorganization, Chapter 11 [Line Items] |  |  |  |  |
Total reorganization items, net |  | $ (5,569) | $ 0 | $ 0 | $ 796
Net impact on accumulated deficit | $ 0 | 0 | $ 825 | $ 3,399 |
Reorganization Adjustments |  |  |  |  |
Reorganization, Chapter 11 [Line Items] |  |  |  |  |
Gain on settlement of liabilities subject to compromise | 6,443 | 6,443 |  |  | 12
Accrual of professional service provider success fees | (38) | (38) |  |  |
Accrual of professional service provider fees | (5) | (5) |  |  |
Surrender of other receivable | (18) | 18 |  |  | 0
Payment of FLLO alternative transaction fee | (12) |  |  |  |
Total reorganization items, net | 6,370 | (5,569) |  |  | $ 796
Cancellation of predecessor equity | 18,571 | 18,571 |  |  |
Net impact on accumulated deficit | $ 24,941 | $ 24,941 |  |  |

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