v3.26.1
Segmental information - Summary of performance of operating segments (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Disclosure of operating segments [line items]    
Consolidated sales revenue $ 31,028 $ 26,873
Underlying EBITDA 14,826 11,547
Exploration and evaluation expenditures 480 334
Total for all subsidiaries    
Disclosure of operating segments [line items]    
Share of sales revenue of equity accounted units 178 128
Simandou Iron Ore Project    
Disclosure of operating segments [line items]    
Consolidated sales revenue 68 0
Underlying EBITDA $ (48) (21)
Copper    
Disclosure of operating segments [line items]    
Percent of exploration and evaluation charge 57.00%  
Iron Ore    
Disclosure of operating segments [line items]    
Percent of exploration and evaluation charge 18.00%  
Other operations    
Disclosure of operating segments [line items]    
Consolidated sales revenue $ 1,925 1,662
Underlying EBITDA (229) 78
Share of equity accounted units    
Disclosure of operating segments [line items]    
Underlying EBITDA
Share of equity accounted units (3,263) (2,528)
Central pension costs, share-based payments, insurance and derivatives    
Disclosure of operating segments [line items]    
Underlying EBITDA 214 (17)
Restructuring, project and one-off costs    
Disclosure of operating segments [line items]    
Underlying EBITDA (368) (320)
Central costs    
Disclosure of operating segments [line items]    
Underlying EBITDA (425) (427)
Central exploration and evaluation expenditures    
Disclosure of operating segments [line items]    
Underlying EBITDA $ (110) (110)
Percent of exploration and evaluation charge 25.00%  
Gross product sales    
Disclosure of operating segments [line items]    
Share of sales revenue of equity accounted units $ 3,441 2,656
Operating segments | Reportable segments    
Disclosure of operating segments [line items]    
Consolidated sales revenue 32,618 27,747
Underlying EBITDA 15,793 12,364
Operating segments | Aluminium & Lithium    
Disclosure of operating segments [line items]    
Consolidated sales revenue 9,969 8,061
Underlying EBITDA 3,311 2,398
Operating segments | Copper    
Disclosure of operating segments [line items]    
Consolidated sales revenue 8,622 6,208
Underlying EBITDA 5,713 3,105
Operating segments | Iron Ore    
Disclosure of operating segments [line items]    
Consolidated sales revenue 14,027 13,478
Underlying EBITDA 6,769 6,861
Inter-segment transactions    
Disclosure of operating segments [line items]    
Consolidated sales revenue (320) (8)
Underlying EBITDA $ (1) $ 0