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SUPPLEMENTARY MINERAL RESERVE INFORMATION (UNAUDITED) (Recoverable Reserves) (Details) oz in Millions, lb in Millions | 120 Months Ended | 132 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2031 | Dec. 31, 2041 | Dec. 31, 2022 lb oz $ / lb $ / oz | Dec. 21, 2018
Copper |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves |  |  | 115,400 |
Long Term Average Price Used To Estimate Recoverable Reserves | $ / lb |  |  | 3.00 |
Gold (ounces) [Member] |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves | oz |  |  | 26.9 |
Long Term Average Price Used To Estimate Recoverable Reserves | $ / oz |  |  | 1,500 |
Molybdenum mines |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves |  |  | 3,610 |
Long Term Average Price Used To Estimate Recoverable Reserves | $ / lb |  |  | 12 |
Silver |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Long Term Average Price Used To Estimate Recoverable Reserves | $ / oz |  |  | 20 |
Net Equity Interest [Member] | Copper |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves |  |  | 80,400 |
Net Equity Interest [Member] | Gold (ounces) [Member] |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves | oz |  |  | 13.5 |
Net Equity Interest [Member] | Molybdenum mines |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves |  |  | 3,200 |
Net Equity Interest [Member] | Silver |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves | oz |  |  | 226.0 |
Consolidated Basis [Member] |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated recoverable proven and probable copper reserves in leach stockpiles (in pounds) |  |  | 1,800 |
Estimated recoverable proven and probable copper reserves in mill stockpiles (in pounds) |  |  | 300 |
Consolidated Basis [Member] | Copper |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves |  |  | 111,000 |
Consolidated Basis [Member] | Copper | North America |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves |  |  | 48,600 |
Consolidated Basis [Member] | Copper | South America |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves |  |  | 31,700 |
Consolidated Basis [Member] | Copper | Indonesia |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves |  |  | 30,800 |
Consolidated Basis [Member] | Gold (ounces) [Member] |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves | oz |  |  | 26.9 |
Consolidated Basis [Member] | Gold (ounces) [Member] | North America |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves | oz |  |  | 0.6 |
Consolidated Basis [Member] | Gold (ounces) [Member] | South America |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves | oz |  |  | 0.0 |
Consolidated Basis [Member] | Gold (ounces) [Member] | Indonesia |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves | oz |  |  | 26.3 |
Consolidated Basis [Member] | Molybdenum mines |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves |  |  | 3,530 |
Consolidated Basis [Member] | Molybdenum mines | North America |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves |  |  | 2,830 |
Consolidated Basis [Member] | Molybdenum mines | South America |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves |  |  | 700 |
Consolidated Basis [Member] | Molybdenum mines | Indonesia |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves |  |  | 0 |
Consolidated Basis [Member] | Silver |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimated Recoverable Proven And Probable Reserves | oz |  |  | 340.0 |
PT Freeport Indonesia |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Ownership percentage of subsidiary |  |  | 81.00% | 48.76%
PT Freeport Indonesia | PT Freeport Indonesia |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Ownership percentage of subsidiary |  |  | 48.76% |
Forecast | PT-FI |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Planned Operations, Mining, Extension Term |  | 10 years |  |
Estimate of proven and probable mineral reserves to be mined | 0.46 |  |  |
Forecast | PT-FI | Copper |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimate of proven and probable mineral reserves to be mined | 0.49 |  |  |
Forecast | PT-FI | Gold (ounces) [Member] |  |  |  |
Estimated Recoverable Proven and Probable Reserves [Line Items] |  |  |  |
Estimate of proven and probable mineral reserves to be mined | 0.51 |  |  |

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