INCOME TAXES (Narrative) (Details) - USD ($) $ in Millions			1 Months Ended	12 Months Ended
	Aug. 31, 2022	Jan. 01, 2017	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule Of Income Taxes [Line Items]
Total income taxes paid to all jurisdictions				$ 2,100	$ 3,100	$ 1,300
Tax refunds received from all jurisdictions				1	46	$ 109
Tax Attributes
Foreign tax credits			$ 1,228	1,228	1,514
Valuation allowances			3,894	3,894	$ 3,985
Valuation allowance, increase (decrease)				$ 91
U.S. federal statutory tax rate				21.00%	21.00%	21.00%
Interest on income taxes accrued			536	$ 536	$ 551	$ 620
Unrecognized tax benefits			720	720	810	808	$ 474
Unrecognized tax benefits that would impact the effective tax rate			597	597
Unrecognized tax benefits that would impact the effective tax rate, net of tax benefits			421	421
Deferred income taxes				182	36	(171)
Corporate Alternative Minimum Tax for Corporations with Average AFSI over $1 billion, rate	15.00%
Three Years Average AFSI Limit, Corporate Alternative Minimum Tax	$ 1,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense				153	7	34
Unrecognized Tax Benefits, Unpaid			33	33	36	41
PT Freeport Indonesia
Tax Attributes
Loss Contingency, Loss in Period, Including Tax Charges				13	384
Deferred income taxes				69
Valuation allowance for operating loss carryforwards
Tax Attributes
Valuation allowances			1,800	1,800
Net Operating Losses
Tax Attributes
Valuation allowance, increase (decrease)				32	219	104
Section 163(j) Deferred Tax Assets, Current Year Activity
Tax Attributes
Valuation allowance, increase (decrease)				$ 22
SUNAT | Cerro Verde
Tax Attributes
Foreign income tax rate under new stability agreement				32.00%
Foreign Tax Authority
Tax Attributes
Tax Credit Carryforward, Valuation Allowance			1,200	$ 1,200
Income Tax Credits and Adjustments				292	105	$ 22
Foreign Tax Authority | Tax Authority, Spain
Tax Attributes
Operating Loss Carryforwards			$ 500	$ 500
Foreign Tax Authority | Chili - Service of Internal Taxes
Tax Attributes
Ad Valorem Royalty Based Tax				1.00%
Foreign Tax Authority | Chili - Service of Internal Taxes | Minimum
Tax Attributes
Mining royalty tax rate				8.00%
Foreign Tax Authority | Chili - Service of Internal Taxes | Maximum
Tax Attributes
Mining royalty tax rate				26.00%
Foreign Tax Authority | Chili - Service of Internal Taxes | Prior to September 2014
Tax Attributes
U.S. federal statutory tax rate			35.00%
Foreign Tax Authority | Chili - Service of Internal Taxes | Tax Years 2018 to 2023 | Minimum
Tax Attributes
Mining royalty tax rate				5.00%
Foreign Tax Authority | Chili - Service of Internal Taxes | Tax Years 2018 to 2023 | Maximum
Tax Attributes
Mining royalty tax rate				14.00%
Foreign Tax Authority | SUNAT | 2017
Tax Attributes
Dividend tax rate		5.00%
Domestic Tax Authority
Tax Attributes
Operating Loss Carryforwards			$ 5,400	$ 5,400
Valuation allowances			900	900
State and Local Jurisdiction
Tax Attributes
Operating Loss Carryforwards			10,400	10,400
PT Rio Tinto | Net Operating Losses
Tax Attributes
Valuation allowance, increase (decrease)				188
Indefinite-Lived Carryforward
Tax Attributes
Operating Loss Carryforwards			$ 400	400
Other (expense) benefit | PT Freeport Indonesia
Tax Attributes
Loss Contingency, Loss in Period, Including Tax Charges				5	155
Deferred income taxes					76
Interest expense | PT Freeport Indonesia
Tax Attributes
Loss Contingency, Loss in Period, Including Tax Charges					43
Income expense (benefit) | PT Freeport Indonesia
Tax Attributes
Loss Contingency, Loss in Period, Including Tax Charges				$ 8	186
Deferred income taxes					$ 7