v3.26.1
Business Segments (Segment Reporting) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Segment Reporting Information [Line Items]      
Revenues $ 6,234 $ 5,728  
Depreciation, depletion and amortization (DD&A) 514 466  
Selling, general and administrative expenses 162 154  
Exploration and research expenses 38 39  
Environmental obligations and shutdown costs 17 10  
PTFI mud rush incident insurance settlement (699) 0  
Operating income 2,137 1,303  
Interest expense, net (114) (70)  
Other Nonoperating Income (Expense) 11 58  
Income before income taxes and equity in affiliated companies’ net earnings 2,034 1,291  
Corporate Expenses And Elimination Of Intersegment Operating Income (Loss) (119) (83)  
Total assets 58,840 56,022 $ 58,167
Capital expenditures 973 1,172  
Mud Rush      
Segment Reporting Information [Line Items]      
Production and delivery 499    
Recovery costs 406    
DD&A, idle facilities 93    
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment      
Segment Reporting Information [Line Items]      
Depreciation, depletion and amortization (DD&A) 157 131  
Operating income 477 77  
Total assets 36,517 35,467  
Capital expenditures 324 274  
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment | Unaffiliated Customers      
Segment Reporting Information [Line Items]      
Revenues 914 788  
Intersegment      
Segment Reporting Information [Line Items]      
Revenues (2,612) (1,914)  
Total assets (20,120) (20,668)  
Operating Segments      
Segment Reporting Information [Line Items]      
Revenues 6,260 5,625  
Operating income 1,779 1,309  
Total assets 42,443 41,223  
Capital expenditures 644 897  
Operating Segments | Unaffiliated Customers      
Segment Reporting Information [Line Items]      
Revenues 5,320 4,940  
Operating Segments | Intersegment Customers      
Segment Reporting Information [Line Items]      
Revenues 940 685  
Segment Reporting, Reconciling Item, Corporate Nonsegment      
Segment Reporting Information [Line Items]      
Capital expenditures 5 1  
Segment Reporting, Reconciling Item, Corporate Nonsegment | Intersegment Customers      
Segment Reporting Information [Line Items]      
Revenues 1,672 1,229  
Morenci | Operating Segments      
Segment Reporting Information [Line Items]      
Revenues 776 577  
Production and delivery 437 419  
Depreciation, depletion and amortization (DD&A) 69 50  
Selling, general and administrative expenses 0 0  
Exploration and research expenses 8 6  
Environmental obligations and shutdown costs   (7)  
PTFI mud rush incident insurance settlement 0    
Operating income 262 109  
Total assets 3,434 3,239  
Capital expenditures 44 59  
Morenci | Operating Segments | Unaffiliated Customers      
Segment Reporting Information [Line Items]      
Revenues 12 83  
Morenci | Operating Segments | Intersegment Customers      
Segment Reporting Information [Line Items]      
Revenues 764 494  
Cerro Verde | Operating Segments      
Segment Reporting Information [Line Items]      
Revenues 1,381 1,091  
Production and delivery 651 587  
Depreciation, depletion and amortization (DD&A) 86 91  
Selling, general and administrative expenses 2 2  
Exploration and research expenses 4 2  
Environmental obligations and shutdown costs   0  
PTFI mud rush incident insurance settlement 0    
Operating income 638 409  
Total assets 8,772 8,166  
Capital expenditures 74 74  
Cerro Verde | Operating Segments | Unaffiliated Customers      
Segment Reporting Information [Line Items]      
Revenues 1,218 917  
Cerro Verde | Operating Segments | Intersegment Customers      
Segment Reporting Information [Line Items]      
Revenues 163 174  
Grasberg Segment | Operating Segments      
Segment Reporting Information [Line Items]      
Revenues 1,072 1,570  
Production and delivery 710 578  
Depreciation, depletion and amortization (DD&A) 194 186  
Selling, general and administrative expenses 25 27  
Exploration and research expenses 0 2  
Environmental obligations and shutdown costs   0  
PTFI mud rush incident insurance settlement (699)    
Operating income 842 777  
Total assets 27,959 28,006  
Capital expenditures 456 704  
Grasberg Segment | Operating Segments | Unaffiliated Customers      
Segment Reporting Information [Line Items]      
Revenues 1,072 1,564  
Grasberg Segment | Operating Segments | Intersegment Customers      
Segment Reporting Information [Line Items]      
Revenues 0 6  
Rod and Refining Segment | Operating Segments      
Segment Reporting Information [Line Items]      
Revenues 2,062 1,632  
Production and delivery 2,046 1,622  
Depreciation, depletion and amortization (DD&A) 1 1  
Selling, general and administrative expenses 0 0  
Exploration and research expenses 0 0  
Environmental obligations and shutdown costs   0  
PTFI mud rush incident insurance settlement 0    
Operating income 15 9  
Total assets 374 364  
Capital expenditures 14 17  
Rod and Refining Segment | Operating Segments | Unaffiliated Customers      
Segment Reporting Information [Line Items]      
Revenues 2,052 1,624  
Rod and Refining Segment | Operating Segments | Intersegment Customers      
Segment Reporting Information [Line Items]      
Revenues 10 8  
Atlantic Copper Smelting and Refining Segment | Operating Segments      
Segment Reporting Information [Line Items]      
Revenues 969 755  
Production and delivery 929 734  
Depreciation, depletion and amortization (DD&A) 7 7  
Selling, general and administrative expenses 11 9  
Exploration and research expenses 0 0  
Environmental obligations and shutdown costs   0  
PTFI mud rush incident insurance settlement 0    
Operating income 22 5  
Total assets 1,904 1,448  
Capital expenditures 56 43  
Atlantic Copper Smelting and Refining Segment | Operating Segments | Unaffiliated Customers      
Segment Reporting Information [Line Items]      
Revenues 966 752  
Atlantic Copper Smelting and Refining Segment | Operating Segments | Intersegment Customers      
Segment Reporting Information [Line Items]      
Revenues $ 3 $ 3