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OWNERSHIP IN SUBSIDIARIES AND JOINT VENTURES - PT-FI Divestment (Details) $ in Millions | 12 Months Ended | 48 Months Ended |
--- | --- | --- | ---
Dec. 31, 2023 oz | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2022 USD ($) | Dec. 21, 2018
Summary of investment holdings [Line Items] |  |  |  |  |  |
Net income |  | $ 4,479 | $ 5,365 | $ 865 |  |
PT Freeport Indonesia |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Net income |  |  |  |  | $ 6,000 |
PT Freeport Indonesia |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Ownership percentage |  | 48.76% |  |  | 48.76% | 81.00%
Net income (loss) attributable to parent |  |  |  |  | $ 4,900 |
PT Freeport Indonesia |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Ownership percentage of subsidiary |  | 81.00% |  |  | 81.00% | 48.76%
PT Freeport Indonesia | Beyond 2022 |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Ownership percentage of subsidiary |  | 48.76% |  |  | 48.76% |
Freeport McMoRan Corporation |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Ownership percentage of subsidiary |  |  |  |  |  | 48.76%
PT Indonesia Asahan Aluminium (Persero) (Inalum) |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Ownership percentage of subsidiary |  |  |  |  |  | 26.24%
PT Indonesia Papua Metal dan Mineral |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Ownership percentage of subsidiary |  |  |  |  |  | 25.00%
PT Freeport Indonesia | Forecast |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Sale of gold | oz | 190,000 |  |  |  |  |
PT Freeport Indonesia | PT Freeport Indonesia |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Ownership percentage of subsidiary |  | 48.76% |  |  | 48.76% |
PT Freeport Indonesia | Freeport McMoRan Corporation | Forecast |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Portion of gold sales attributable to noncontrolling interest | 81.00% |  |  |  |  |
PT Freeport Indonesia | PT Indonesia Asahan Aluminium (Persero) (Inalum) | Forecast |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Portion of gold sales attributable to noncontrolling interest | 19.00% |  |  |  |  |
PT Freeport Indonesia, Subsidiary | PT Freeport Indonesia |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Ownership percentage |  |  |  |  |  | 19.00%
Interest In PT Indocopper Investama | PT Indonesia Asahan Aluminium (Persero) (Inalum) |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Percentage of voting interest |  |  |  |  |  | 100.00%
PT Freeport Indonesia | PT Indonesia Asahan Aluminium (Persero) (Inalum) |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Ownership interest by parent subsequent to business acquisition |  |  |  |  |  | 26.24%
PT Freeport Indonesia | PT Indonesia Papua Metal dan Mineral |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Ownership interest by parent subsequent to business acquisition |  |  |  |  |  | 25.00%
PT Freeport Indonesia | PT Freeport Indonesia |  |  |  |  |  |
Summary of investment holdings [Line Items] |  |  |  |  |  |
Ownership interest by parent subsequent to business acquisition |  |  |  |  |  | 51.24%

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