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COMMITMENTS AND GUARANTEES (Special Mining License (IUPK)) (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended | 21 Months Ended
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 21, 2018
Contractual Obligations Mining Contracts [Line Items] |  |  |  |  |
Payments of Dividends |  |  |  | $ 0 |
Higher threshold, percent |  | 50.00% |  |  |
Smelter development progress, percent complete | 50.00% | 50.00% |  |  |
Royalty Expense |  | $ 366 | $ 330 | 165 |
Export Duties Expense |  | 325 | 218 | 92 |
Surety Bond |  |  |  |  |
Contractual Obligations Mining Contracts [Line Items] |  |  |  |  |
Assurance Bond, Smelter Development | $ 488 | $ 488 |  |  |
PT Freeport Indonesia |  |  |  |  |
Contractual Obligations Mining Contracts [Line Items] |  |  |  |  |
Progressive export duty on copper concentrates, higher threshold, percent | 5.00% | 5.00% |  |  | 7.50%
Progressive export duty on copper concentrates, lower threshold, percent | 2.50% | 2.50% |  |  |
Lower threshold, percent |  | 30.00% |  |  |
Royalty Expense |  | $ 357 | 319 | 160 |
Export Duties Expense |  | $ 325 | 218 | $ 92 |
PT Freeport Indonesia | Copper |  |  |  |  |
Contractual Obligations Mining Contracts [Line Items] |  |  |  |  |
Royalty Interest in Future Production | 4.00% | 4.00% |  |  |
PT Freeport Indonesia | Gold |  |  |  |  |
Contractual Obligations Mining Contracts [Line Items] |  |  |  |  |
Royalty Interest in Future Production | 3.75% | 3.75% |  |  |
PT Freeport Indonesia | Silver |  |  |  |  |
Contractual Obligations Mining Contracts [Line Items] |  |  |  |  |
Royalty Interest in Future Production | 3.25% | 3.25% |  |  |
PT Freeport Indonesia | Construction Contracts | Surety Bond |  |  |  |  |
Contractual Obligations Mining Contracts [Line Items] |  |  |  |  |
Assurance Bond, Smelter Development | $ 133 | $ 133 |  |  |
PT Freeport Indonesia | Intersegment Eliminations [Member] |  |  |  |  |
Contractual Obligations Mining Contracts [Line Items] |  |  |  |  |
Payments of Dividends |  | $ 2,500 | $ 1,000 |  |
Tax Authority, In Papua, Indonesia |  |  |  |  |
Contractual Obligations Mining Contracts [Line Items] |  |  |  |  |
Foreign income tax rate under new stability agreement |  | 25.00% |  |  |
Foreign Profits Tax Rate on Net Income Under New Stability Agreement |  | 10.00% |  |  |
Annual Surface Water Tax Payments [Member] | PT Freeport Indonesia |  |  |  |  |
Contractual Obligations Mining Contracts [Line Items] |  |  |  |  |
Payments for Other Taxes |  | $ 15 |  |  |

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