COMMITMENTS AND GUARANTEES (Community Development Programs) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Other Commitments [Line Items]
Total cost of sales	$ 18,618	$ 17,795	$ 15,695
Community Development Programs | PT-FI
Other Commitments [Line Items]
Total cost of sales	118	$ 141	$ 123
Long-Term Wastewater Offtake Agreement | Cerro Verde
Other Commitments [Line Items]
Other Commitment	365
Long-Term Wastewater Offtake Agreement, Expansion | Cerro Verde
Other Commitments [Line Items]
Other Commitment	250
Long-Term Wastewater Offtake Agreement, Additional Infrastructure Projects | Cerro Verde
Other Commitments [Line Items]
Other Commitment	115
Long-Term Wastewater Offtake Agreement, Water And Sanitation Facility Projects | Cerro Verde
Other Commitments [Line Items]
Other Commitment	$ 510