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OTHER ASSETS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Schedule Of Other Assets [Line Items] |  |  |
Intangible Assets, Net (Excluding Goodwill) | $ 416 | $ 412 |
Legally restricted fundsg | 182 | 209 |
Long-term receivable for taxes | 54 | 84 |
Investments: [Abstract] |  |  |
Assurance bond | 133 | 132 |
Available-for-sale Securities, Noncurrent | 79 | 74 |
Loans to PT Smelting | 101 | 36 |
Materials, Supplies, and Other | 24 | 20 |
Prepaid rent and deposits | 26 | 2 |
Other | 144 | 101 |
Total other assets | 1,601 | 1,460 |
Indefinite-lived Intangible Assets (Excluding Goodwill) | 214 | 215 |
Finite-Lived Intangible Assets, Accumulated Amortization | 39 | 35 |
Equity in affiliated companies’ net earnings | 31 | 5 | $ 12
PT-FI |  |  |
Schedule Of Other Assets [Line Items] |  |  |
Long-term receivable for taxes | 12 | 57 |
Cerro Verde |  |  |
Schedule Of Other Assets [Line Items] |  |  |
Long-term receivable for taxes | 333 | 237 |
PT Smelting |  |  |
Investments: [Abstract] |  |  |
PT Smelting | 50 | 26 |
Equity in affiliated companies’ net earnings | 112 | 126 |
Accounts Receivable, before Allowance for Credit Loss, Current | 277 | 411 |
NEW MEXICO |  |  |
Investments: [Abstract] |  |  |
Legally restricted funds for asset retirement obligations at New Mexico mines | 181 | 208 |
Deepwater Gulf of Mexico Interests | Freeport-McMoRan Oil & Gas |  |  |
Investments: [Abstract] |  |  |
Total other assets | $ 47 | $ 70 |

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