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CONTINGENCIES (Oil and Gas Properties) (Details) $ in Millions | Dec. 31, 2022 USD ($) platform well | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
--- | --- | --- | --- | ---
Loss Contingencies [Line Items] |  |  |  |
ARO, noncurrent | $ 3,043 | $ 2,716 | $ 2,472 | $ 2,505
Freeport-McMoRan Oil & Gas |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of productive oil wells | well | 110 |  |  |
Number of platforms and other structures | platform | 105 |  |  |
ARO, noncurrent | $ 328 |  |  |

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