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INVESTMENTS AND RELATED PARTY TRANSACTIONS- Narrative (Details) MT in Millions, $ in Millions | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Aug. 31, 2022 USD ($) MT | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Jul. 01, 2024 USD ($) | Dec. 31, 2022 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investment in unconsolidated subsidiaries |  |  |  | $ 48 |
Investment in unconsolidated subsidiaries |  | $ 86 | $ 19 |  |
Other long-term liabilities |  | 377 | 201 |  |
Midway Sunset Cogeneration Company |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Interest in joint venture |  |  |  | 50.00% |
Equity method investments, fair value disclosure |  |  |  | $ 59 |
Investment in unconsolidated subsidiaries |  | 59 |  | $ 59 |
Midway Sunset Cogeneration Company | San Joaquin Energy Company |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Interest in joint venture |  |  |  | 50.00% |
Carbon TerraVault JV |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Interest in joint venture | 51.00% |  |  |  |
Investment in unconsolidated subsidiaries |  | 27 | 19 |  |
Investment in unconsolidated subsidiaries |  | 27 | 19 |  | $ 13
General and administrative expense |  | 9 | 8 |  |
Carbon TerraVault JV | Related Party |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Other long-term liabilities |  | 107 | 52 |  |
Carbon TerraVault JV | Brookfield |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Interest in joint venture | 49.00% |  |  |  |
Committed amount | $ 500 |  |  |  |
Contribution from noncontrolling interest |  | 92 |  |  |
Metric tons of carbon per annum | MT | 5 |  |  |  |
Equity in net assets |  | 309 | 310 |  |
Elk Hills |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Reimbursement for abandonment work |  | $ 14 | $ 6 |  |

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