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Income Taxes - Narrative (Details) - USD ($) $ in Millions |  | 1 Months Ended | 3 Months Ended | 11 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 09, 2021 | Feb. 09, 2021 | Dec. 31, 2022 | Mar. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2020 | Nov. 01, 2021 | Dec. 31, 2019
Income Taxes Summary [Line Items] |  |  |  |  |  |  |  |  |
Deferred tax assets, valuation allowance, increase (decrease) |  |  | $ 1,351 |  |  | $ 2,038 |  |  |
Deferred tax assets |  |  | 1,954 |  | $ 2,386 | 1,954 |  |  |
Deferred tax assets, valuation allowance |  |  | 345 |  | 2,383 | 345 |  |  |
Deferred tax assets, valuation allowance, increase (decrease), pre tax |  |  |  |  |  | 687 |  |  |
Impairments of oil and natural gas properties |  | $ 0 |  | $ 8,446 | 0 | 0 | $ 8,446 |  |
Change in valuation allowance |  |  | 1,351 |  |  |  |  |  |
Deferred tax assets, operating loss carryforward, limitations |  |  | 54 |  |  | 54 |  |  |
Income tax cancellation of debt income | $ 5,000 |  |  |  |  |  |  |  |
Net operating loss carryforwards removed |  |  | 307 |  |  | 307 |  |  |
Income tax benefit | (57) | (57) |  |  | (49) | (1,285) | (19) |  |
Unrecognized tax benefits | $ 74 | $ 74 | 69 |  | 74 | 69 | $ 74 |  | $ 74
Uncertain tax positions that would impact effective tax rate |  |  | 33 |  |  | 33 |  |  |
Income taxes receivable |  |  | 168 |  |  | 168 |  |  |
Tax credit carryforwards |  |  | 4 |  |  | 4 |  |  |
State and local |  |  |  |  |  |  |  |  |
Income Taxes Summary [Line Items] |  |  |  |  |  |  |  |  |
Operating loss carryforwards |  |  | 3,901 |  |  | 3,901 |  |  |
Income taxes receivable |  |  | 29 |  | 29 | 29 |  |  |
State and local | PENNSYLVANIA |  |  |  |  |  |  |  |  |
Income Taxes Summary [Line Items] |  |  |  |  |  |  |  |  |
Income taxes receivable |  |  | 24 |  |  | 24 |  |  |
Vine Energy Corporation (Vine) |  |  |  |  |  |  |  |  |
Income Taxes Summary [Line Items] |  |  |  |  |  |  |  |  |
Deferred tax liabilities |  |  | $ 30 |  | $ 49 | 30 |  | $ 30 |
Income tax benefit |  |  |  |  |  | $ 19 |  |  |
Operating loss carryforwards, 382 limitation |  |  |  |  |  |  |  | 2 |
Operating loss carryforwards, 382 limitation, expected increase per year |  |  |  |  |  |  |  | 12 |
Operating loss carryforwards, 382 limitation, expected increase per year, available utilization |  |  |  |  |  |  |  | $ 14 |

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