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SUPPLEMENTARY MINERAL RESERVE INFORMATION (UNAUDITED) (Details) oz in Millions, lb in Millions | 12 Months Ended
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Dec. 31, 2022 oz lb $ / oz $ / lb
Copper |
Estimated Recoverable Proven And Probable Reserves | 115,400
Long Term Average Price Used To Estimate Recoverable Reserves | $ / lb | 3.00
Three Year Average Price | $ / lb | 3.67
Gold |
Estimated Recoverable Proven And Probable Reserves | oz | 26.9
Long Term Average Price Used To Estimate Recoverable Reserves | $ / oz | 1,500
Three Year Average Price | $ / oz | 1,789
Molybdenum |
Estimated Recoverable Proven And Probable Reserves | 3,610
Long Term Average Price Used To Estimate Recoverable Reserves | $ / lb | 12
Three Year Average Price | $ / lb | 14.44
Silver |
Long Term Average Price Used To Estimate Recoverable Reserves | $ / oz | 20
Consolidated Basis [Member] | Copper |
Estimated Recoverable Proven And Probable Reserves | 111,000
Consolidated Basis [Member] | Gold |
Estimated Recoverable Proven And Probable Reserves | oz | 26.9
Consolidated Basis [Member] | Molybdenum |
Estimated Recoverable Proven And Probable Reserves | 3,530
Consolidated Basis [Member] | Silver |
Estimated Recoverable Proven And Probable Reserves | oz | 340.0
Consolidated Basis [Member] | Indonesia | Copper |
Estimated Recoverable Proven And Probable Reserves | 30,800
Consolidated Basis [Member] | Indonesia | Gold |
Estimated Recoverable Proven And Probable Reserves | oz | 26.3
Consolidated Basis [Member] | Indonesia | Molybdenum |
Estimated Recoverable Proven And Probable Reserves | 0

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