INCOME TAXES (Narrative) (Details) - USD ($) $ in Millions			1 Months Ended	12 Months Ended
INCOME TAXES (Narrative) (Details) - USD ($) $ in Millions	Aug. 31, 2022	Jan. 01, 2017	Dec. 31, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Tax Attributes
Foreign tax credits				$ 159	$ 184
Valuation allowances				3,079	$ 2,984
Valuation allowance, increase (decrease)				100
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
Income Tax Credits and Adjustments				$ 27
U.S. federal statutory tax rate				21.00%	21.00%	21.00%
Interest on income taxes accrued			$ 536	$ 275	$ 264	$ 536
Unrecognized Tax Benefits, Unpaid			33	28	26	33
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense				(3)	8	(153)
Unrecognized tax benefits			$ 720	169	$ 161	720	$ 810
Unrecognized tax benefits that would impact the effective tax rate, net of tax benefits				58
PT Freeport Indonesia
Tax Attributes
Loss Contingency, Loss in Period, Including Tax Charges				215
Valuation allowance for operating loss carryforwards
Tax Attributes
Valuation allowances				1,800
Net Operating Losses
Tax Attributes
Valuation allowance, increase (decrease)						32
Temporary Differences In Current Tax Year
Tax Attributes
Valuation allowance, increase (decrease)				200
Section 163(j) Deferred Tax Assets
Tax Attributes
Valuation allowance, increase (decrease)				$ (75)		(22)
SUNAT \| Cerro Verde
Tax Attributes
Foreign income tax rate under new stability agreement				32.00%
State and Local Jurisdiction
Tax Attributes
Operating Loss Carryforwards				$ 10,600
Domestic Tax Jurisdiction
Tax Attributes
Operating Loss Carryforwards				6,100
Valuation allowances				1,100
Foreign Tax Jurisdiction
Tax Attributes
Tax Credit Carryforward, Valuation Allowance				200
Income Tax Credits and Adjustments						$ (292)
Foreign Tax Jurisdiction \| Tax Authority, Spain
Tax Attributes
Operating Loss Carryforwards				$ 400
Foreign Tax Jurisdiction \| SUNAT \| 2017
Tax Attributes
Dividend tax rate		5.00%
Foreign Tax Jurisdiction \| Chili - Service of Internal Taxes
Tax Attributes
Ad Valorem Royalty Based Tax				1.00%
Foreign Tax Jurisdiction \| Chili - Service of Internal Taxes \| Minimum
Tax Attributes
Mining royalty tax rate				8.00%
Foreign Tax Jurisdiction \| Chili - Service of Internal Taxes \| Maximum
Tax Attributes
Mining royalty tax rate				26.00%
Foreign Tax Jurisdiction \| Chili - Service of Internal Taxes \| Prior to September 2014
Tax Attributes
U.S. federal statutory tax rate			35.00%
Indefinite-Lived Carryforward \| State and Local Jurisdiction
Tax Attributes
Operating Loss Carryforwards				$ 3,600
Indefinite-Lived Carryforward \| Domestic Tax Jurisdiction
Tax Attributes
Operating Loss Carryforwards				800
Income expense (benefit) \| PT Freeport Indonesia
Tax Attributes
Loss Contingency, Loss in Period, Including Tax Charges				199
Direct Operating Costs
Tax Attributes
Income Tax Credits and Adjustments				29
Direct Operating Costs \| PT Freeport Indonesia
Tax Attributes
Loss Contingency, Loss in Period, Including Tax Charges				8
Interest expense \| PT Freeport Indonesia
Tax Attributes
Loss Contingency, Loss in Period, Including Tax Charges				8
Income Tax Expense (Benefit)
Tax Attributes
Income Tax Credits and Adjustments				54
Other Nonoperating Income (Expense)
Tax Attributes
Income Tax Credits and Adjustments				$ 2

FREEPORT-MCMORAN INC 10-K