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DIVESTITURES AND ACQUISITIONS - Divestitures (Details) $ in Millions |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Oct. 14, 2024 USD ($) | Dec. 29, 2023 USD ($) | Feb. 01, 2022 USD ($) | Mar. 31, 2024 USD ($) a | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |
Proceeds from asset divestitures |  |  |  |  | $ 15 | $ 32 | $ 80
Gain on asset divestitures |  |  |  |  | 11 | 32 | 59
Fort Apache In Huntington Beach | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Area of real estate property | a |  |  |  | 0.9 |  |  |
Proceeds from asset divestitures |  |  |  | $ 10 |  |  |
Gain on asset divestitures |  |  |  | $ 6 |  |  |
Round Mountain Unit | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Gain on asset divestitures |  | $ 25 |  |  |  |  |
Ventura Basin | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Gain on asset divestitures | $ 4 |  |  |  |  |  | 11
Lost Hills, San Joaquin Basin | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Gain on asset divestitures |  |  | $ 49 |  |  |  |
Working interest acquired by MIRA |  |  | 50.00% |  |  |  |
Option retained to capture carbon emissions, percent |  |  | 100.00% |  |  |  |
Percent of deep rights and related seismic data retained |  |  | 100.00% |  |  |  |
CRC Plaza | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Proceeds from asset divestitures |  |  |  |  |  |  | 13
Gain on asset divestitures |  |  |  |  |  |  | $ 0
Term of lease |  |  |  |  |  |  | 18 months
Other Divestitures | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Gain (loss) on disposition of business |  |  |  |  | $ 1 | $ 7 | $ (1)

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