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LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES - LEGAL MATTERS (Details) $ in Millions |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 05, 2024 USD ($) | Jan. 31, 2024 company | Aug. 31, 2023 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) party | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |
Remediation expenses |  |  |  | $ 76 | $ 79 | $ 65 |  |
Other operating and non-operating expense |  |  |  | 1,581 | $ 1,084 | $ 1,271 |  |
Gains related to legal settlements | $ 182 |  |  |  |  |  |  |
Potential income tax expense |  |  |  | 1,400 |  |  |  |
Related Party |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |
Other operating and non-operating expense |  |  |  | 84 |  |  |  |
Anadarko Petroleum Corporation |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |
Tax refund |  |  |  |  |  |  | $ 881 |
Accrued interest on potential income tax expense |  |  |  | $ 760 |  |  |  |
Alden Leeds | Alden Leeds |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |
Number of parties, settled | party |  |  |  |  |  | 85 |  |
Remediation expenses |  |  |  |  |  | $ 150 |  |
Number of companies excluded from settlement | company |  | 3 |  |  |  |  |  |
Clean up costs percentage |  |  |  | 85.00% |  |  |  |
Increase in environmental remediation liability |  |  |  | $ 925 |  |  |  |
Additional losses |  |  |  | $ 900 |  |  |  |
Alden Leeds | Alden Leeds | Low end of range |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |
Remediation costs, period |  |  |  | 10 years |  |  |  |
Alden Leeds | Alden Leeds | High end of range |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |
Remediation costs, period |  |  |  | 20 years |  |  |  |
Maxus Filed Bankruptcy |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |
Proceeds from settlement |  |  | $ 350 |  |  |  |  |
Arbitration Demand Filed By Andes Petroleum Ecuador Ltd |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |
Gains related to legal settlements | $ 182 |  |  |  |  |  |  |
Tronox Settlement |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |
Payments for settlement |  |  |  |  |  |  |  | $ 5,200
Additional cash benefits realized from utilization of tax attributes from deduction of legal settlement |  |  |  |  |  |  |  | $ 500
Interest amount |  |  |  | $ 2,100 |  |  |  |

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