SUPPLEMENTARY MINERAL RESERVE INFORMATION (UNAUDITED) (Details) oz in Millions, lb in Millions	12 Months Ended
	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