NET OPERATING REVENUES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Net Operating Revenues	$ 47,941	$ 47,061	$ 45,754
Concentrate operations
Disaggregation of Revenue [Line Items]
Net Operating Revenues	28,462	27,725	26,539
Finished product operations
Disaggregation of Revenue [Line Items]
Net Operating Revenues	19,479	19,336	19,215
United States
Disaggregation of Revenue [Line Items]
Net Operating Revenues	19,127	18,362	16,550
United States | Concentrate operations
Disaggregation of Revenue [Line Items]
Net Operating Revenues	8,956	8,813	8,780
United States | Finished product operations
Disaggregation of Revenue [Line Items]
Net Operating Revenues	10,171	9,549	7,770
International
Disaggregation of Revenue [Line Items]
Net Operating Revenues	28,814	28,699	29,204
International | Concentrate operations
Disaggregation of Revenue [Line Items]
Net Operating Revenues	19,506	18,912	17,759
International | Finished product operations
Disaggregation of Revenue [Line Items]
Net Operating Revenues	$ 9,308	$ 9,787	$ 11,445