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LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES - LEGAL MATTERS (Details) - USD ($) $ in Millions |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 01, 2023 | Oct. 31, 2023 | Aug. 31, 2023 | Jun. 30, 2023 | Dec. 31, 2021 | Mar. 31, 2021 | Jun. 30, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Federal |  |  |  |  |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Potential income tax expense |  |  |  |  |  |  |  |  | $ 1,400 |  |  |
State |  |  |  |  |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Potential income tax expense |  |  |  |  |  |  |  |  | 28 |  |  |
Anadarko Petroleum Corporation |  |  |  |  |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Tax refund |  |  |  |  |  |  |  |  |  |  | $ 881 |
Accrued interest on potential income tax expense |  |  |  |  |  |  |  |  | 574 |  |  |
Arbitration Demand Filed By Andes Petroleum Ecuador Ltd |  |  |  |  |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from settlement |  |  |  |  |  |  |  |  |  |  | $ 1,000 |
Recovery of amount awarded in settlement amount (as a percent) |  |  |  |  |  |  |  |  |  |  | 60.00% |
Claim to a settlement amount (as a percent) |  |  |  |  |  |  |  |  |  | 40.00% |  |
Own economic interest (as a percent) |  |  |  |  |  |  |  |  |  | 60.00% |  |
Amount awarded to other party in litigation |  |  |  |  | $ 558 | $ 391 |  |  |  |  |  |
Litigation settlement interest |  |  |  | $ 166 |  |  |  |  |  |  |  |
Maxus Filed Bankruptcy |  |  |  |  |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from settlement | $ 350 | $ 341 |  |  |  |  |  |  |  |  |  |
Amount awarded from other party in litigation |  |  | $ 575 |  |  |  |  |  |  |  |  |
Gains related to legal settlements |  |  |  |  |  |  | $ 260 |  |  |  |  |
Maxus Filed Bankruptcy | Forecast |  |  |  |  |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from settlement |  |  |  |  |  |  |  | $ 9 |  |  |  |
Tronox Settlement |  |  |  |  |  |  |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Additional cash benefits realized from utilization of tax attributes from deduction of legal settlement |  |  |  |  |  |  |  |  | $ 500 |  |  |
Payments for settlement |  |  |  |  |  |  |  |  |  |  |  | $ 5,200

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