CONTINGENCIES (Litigation) (Details) $ in Thousands	1 Months Ended			12 Months Ended
	Oct. 31, 2022 USD ($) payment case	Jan. 31, 2021 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($) case	Dec. 31, 2020 USD ($)	Dec. 31, 2019 case	Mar. 31, 2019 litigation
Loss Contingencies [Line Items]
Threshold for disclosure					$ 1,000
Talc Lawsuits
Loss Contingencies [Line Items]
Number of cases | litigation								950
Cyprus Mines
Loss Contingencies [Line Items]
Charge for talc-related litigation					65,000	$ 130,000
Settlement amount		$ 130,000
Cyprus Mines | Pending Litigation
Loss Contingencies [Line Items]
Loss contingency accrual					$ 195,000
FCX Affiliates | Louisiana Parishes Coastal Erosion Cases | Settled Litigation
Loss Contingencies [Line Items]
Number of cases | case	13				13		13
Charge for talc-related litigation						$ 15,000
Settlement, initial payment			$ 15,000
Number of installment payments | payment	20
Settlement, installment payment	$ 4,250
FCX Affiliates | Louisiana Parishes Coastal Erosion Cases | Settled Litigation | Maximum
Loss Contingencies [Line Items]
Settlement amount					$ 23,500
Forecast | FCX Affiliates | Louisiana Parishes Coastal Erosion Cases | Settled Litigation
Loss Contingencies [Line Items]
Payments for legal settlements				$ 15,000