COMMITMENTS AND GUARANTEES (Operating Leases) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Operating Leased Assets And Liabilities [Line Items]
Operating Lease, Liability, Noncurrent	$ 347	$ 294
Lease right-of-use assets (included in property, plant, equipment and mine development costs, net)	448	342
Operating leases	48	46	$ 42
Variable and short-term leases	126	84	62
Total operating lease costs	174	130	104
Operating Lease, Righ-Of-Use Assets, Acquired	167	76	176
Operating Lease, Payments	61	41	54
Finance Lease, Principal Payments	$ 3	$ 7	$ 25
Operating Lease, Weighted Average Discount Rate, Percent	4.70%	4.10%
Operating Lease, Weighted Average Remaining Lease Term	13 years 1 month 6 days	12 years
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	$ 105
Lessee, Operating Lease, Liability, Payments, Due Year Two	52
Lessee, Operating Lease, Liability, Payments, Due Year Three	44
Lessee, Operating Lease, Liability, Payments, Due Year Four	38
Lessee, Operating Lease, Liability, Payments, Due Year Five	29
Lessee, Operating Lease, Liability, Payments, Due after Year Five	299
Lessee, Operating Lease, Liability, Payments, Due	567
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(136)
Operating Lease, Liability	431	$ 332
Operating Lease, Liability, Current	$ (84)	$ (38)
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, plant, equipment and mine development costs, net	Property, plant, equipment and mine development costs, net
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accounts payable and accrued liabilities	Accounts payable and accrued liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
PT Smelting
Schedule of Operating Leased Assets And Liabilities [Line Items]
Variable and short-term leases	$ 30
PT Freeport Indonesia
Schedule of Operating Leased Assets And Liabilities [Line Items]
Operating Lease, Liability, Noncurrent	$ 130	$ 130