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Fresh Start Accounting - Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Feb. 09, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Current assets: |  |  |  |
Cash and cash equivalents | $ 130 | $ 905 | $ 40 | $ 279
Restricted cash |  |  | 86 |
Accounts receivable, net |  |  | 843 |
Short-term derivative assets | 34 | 5 | 0 |
Other current assets |  |  | 61 |
Total current assets | 2,698 | 2,103 | 1,030 |
Property and equipment: |  |  |  |
Proved natural gas and oil properties | 11,096 | 7,682 | 4,686 |
Unproved properties | 2,022 | 1,530 | 483 |
Other property and equipment | 500 | 495 | 499 |
Total property and equipment | 13,618 | 9,707 | 5,668 |
Less: accumulated depreciation, depletion and amortization | (2,431) | (908) | 0 |
Property and equipment held for sale, net | 0 | 3 | 2 |
Total property and equipment, net | 11,187 | 8,802 | 5,670 |
Other long-term assets | 185 | 104 | 114 |
Total assets | 15,468 | 11,009 | 6,814 |
Current liabilities: |  |  |  |
Accounts payable | 603 | 308 | 415 |
Accounts payable |  |  | 0 |
Accrued interest | 42 | 38 | 0 |
Short-term derivative liabilities | 432 | 899 | 398 |
Other current liabilities | 1,627 | 1,202 | 769 |
Total current liabilities | 2,704 | 2,447 | 1,582 |
Debt | 3,000 |  | 1,313 |
Long-term derivative liabilities | 174 | 249 | 90 |
Asset retirement obligations, net of current portion | 323 | 349 | 236 |
Other long-term liabilities | 50 | 15 | 7 |
Liabilities subject to compromise |  |  | 0 |
Total liabilities | 6,344 | 5,338 | 3,228 |
Commitments and Contingencies |  |  |  |
Stockholders’ equity (deficit): |  |  |  |
Predecessor preferred stock |  |  | 0 |
Successor additional paid-in capital | 5,724 | 4,845 |  |
Common stock | 1 | 1 | 1 |
Successor additional paid-in-capital |  |  | 3,585 |
Accumulated other comprehensive income |  |  | 0 |
Retained earnings | 3,399 | 825 | 0 |
Total stockholders' equity | 9,124 | 5,671 | 3,586 |
Total liabilities and stockholders' equity | $ 15,468 | $ 11,009 | 6,814 |
Predecessor |  |  |  |
Current assets: |  |  |  |
Cash and cash equivalents |  |  | 243 |
Restricted cash |  |  | 0 |
Accounts receivable, net |  |  | 861 |
Short-term derivative assets |  |  | 0 |
Other current assets |  |  | 66 |
Total current assets |  |  | 1,170 |
Property and equipment: |  |  |  |
Proved natural gas and oil properties |  |  | 25,794 |
Unproved properties |  |  | 1,546 |
Other property and equipment |  |  | 1,755 |
Total property and equipment |  |  | 29,095 |
Less: accumulated depreciation, depletion and amortization |  |  | (23,877) |
Property and equipment held for sale, net |  |  | 9 |
Total property and equipment, net |  |  | 5,227 |
Other long-term assets |  |  | 198 |
Total assets |  |  | 6,595 |
Current liabilities: |  |  |  |
Accounts payable |  |  | 391 |
Accounts payable |  |  | 1,929 |
Accrued interest |  |  | 4 |
Short-term derivative liabilities |  |  | 398 |
Other current liabilities |  |  | 645 |
Total current liabilities |  |  | 3,367 |
Debt |  |  | 0 |
Long-term derivative liabilities |  |  | 90 |
Asset retirement obligations, net of current portion |  |  | 139 |
Other long-term liabilities |  |  | 5 |
Liabilities subject to compromise |  |  | 9,574 |
Total liabilities |  |  | 13,175 |
Commitments and Contingencies |  |  |  |
Stockholders’ equity (deficit): |  |  |  |
Predecessor preferred stock |  |  | 1,631 |
Successor additional paid-in capital |  |  | 16,940 |
Common stock |  |  | 0 |
Successor additional paid-in-capital |  |  | 0 |
Accumulated other comprehensive income |  |  | 48 |
Retained earnings |  |  | (25,199) |
Total stockholders' equity |  |  | (6,580) |
Total liabilities and stockholders' equity |  |  | 6,595 |
Reorganization Adjustments |  |  |  |
Current assets: |  |  |  |
Cash and cash equivalents |  |  | (203) |
Restricted cash |  |  | 86 |
Accounts receivable, net |  |  | (18) |
Short-term derivative assets |  |  | 0 |
Other current assets |  |  | (5) |
Total current assets |  |  | (140) |
Property and equipment: |  |  |  |
Proved natural gas and oil properties |  |  | 0 |
Unproved properties |  |  | 0 |
Other property and equipment |  |  | 0 |
Total property and equipment |  |  | 0 |
Less: accumulated depreciation, depletion and amortization |  |  | 0 |
Property and equipment held for sale, net |  |  | 0 |
Total property and equipment, net |  |  | 0 |
Other long-term assets |  |  | 0 |
Total assets |  |  | (140) |
Current liabilities: |  |  |  |
Accounts payable |  |  | 24 |
Accounts payable |  |  | (1,929) |
Accrued interest |  |  | (4) |
Short-term derivative liabilities |  |  | 0 |
Other current liabilities |  |  | 124 |
Total current liabilities |  |  | (1,785) |
Debt |  |  | 1,261 |
Long-term derivative liabilities |  |  | 0 |
Asset retirement obligations, net of current portion |  |  | 0 |
Other long-term liabilities |  |  | 2 |
Liabilities subject to compromise |  |  | (9,574) |
Total liabilities |  |  | (10,096) |
Commitments and Contingencies |  |  |  |
Stockholders’ equity (deficit): |  |  |  |
Predecessor preferred stock |  |  | (1,631) |
Successor additional paid-in capital |  |  | (16,940) |
Common stock |  |  | 1 |
Successor additional paid-in-capital |  |  | 3,585 |
Accumulated other comprehensive income |  |  | 0 |
Retained earnings |  |  | 24,941 |
Total stockholders' equity |  |  | 9,956 |
Total liabilities and stockholders' equity |  |  | (140) |
Reorganization, Chapter 11, Fresh-Start Adjustment |  |  |  |
Current assets: |  |  |  |
Cash and cash equivalents |  |  | 48 |
Restricted cash |  |  | 8 |
Accounts receivable, net |  |  | 0 |
Short-term derivative assets |  |  | 0 |
Other current assets |  |  | 0 |
Total current assets |  |  | 0 |
Property and equipment: |  |  |  |
Proved natural gas and oil properties |  |  | (21,108) |
Unproved properties |  |  | (1,063) |
Other property and equipment |  |  | (1,256) |
Total property and equipment |  |  | (23,427) |
Less: accumulated depreciation, depletion and amortization |  |  | 23,877 |
Property and equipment held for sale, net |  |  | (7) |
Total property and equipment, net |  |  | 443 |
Other long-term assets |  |  | (84) |
Total assets |  |  | 359 |
Current liabilities: |  |  |  |
Accounts payable |  |  | 0 |
Accounts payable |  |  | 0 |
Accrued interest |  |  | 0 |
Short-term derivative liabilities |  |  | 0 |
Other current liabilities |  |  | 0 |
Total current liabilities |  |  | 0 |
Debt |  |  | 52 |
Long-term derivative liabilities |  |  | 0 |
Asset retirement obligations, net of current portion |  |  | 97 |
Other long-term liabilities |  |  | 0 |
Liabilities subject to compromise |  |  | 0 |
Total liabilities |  |  | 149 |
Commitments and Contingencies |  |  |  |
Stockholders’ equity (deficit): |  |  |  |
Predecessor preferred stock |  |  | 0 |
Successor additional paid-in capital |  |  | 0 |
Common stock |  |  | 0 |
Successor additional paid-in-capital |  |  | 0 |
Accumulated other comprehensive income |  |  | (48) |
Retained earnings |  |  | 258 |
Total stockholders' equity |  |  | 210 |
Total liabilities and stockholders' equity |  |  | $ 359 |

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