v3.26.1
Leases (Details 1) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
IfrsStatementLineItems [Line Items]    
Lease liabilities, beginning $ 668  
Additions and contact modifications 19  
Payment (83)  
Interest 14  
Lease liabilities, ending 634  
Translation adjustment 20  
Transfer to held for sale (4)  
Current liabilities 14,818 $ 15,870
Non-current liabilities 35,515 36,305
Lease liabilities 634 668
Lease liabilities [member]    
IfrsStatementLineItems [Line Items]    
Current liabilities 169 160
Non-current liabilities 465 $ 508
Ports [Member]    
IfrsStatementLineItems [Line Items]    
Lease liabilities, beginning 31  
Additions and contact modifications 26  
Payment (20)  
Interest 1  
Lease liabilities, ending 38  
Vessels [Member]    
IfrsStatementLineItems [Line Items]    
Lease liabilities, beginning 350  
Additions and contact modifications  
Payment (35)  
Interest 7  
Lease liabilities, ending 322  
Pelletizing Plants [Member]    
IfrsStatementLineItems [Line Items]    
Lease liabilities, beginning 97  
Additions and contact modifications (11)  
Payment (4)  
Interest 2  
Lease liabilities, ending 90  
Translation adjustment 6  
Properties [Member]    
IfrsStatementLineItems [Line Items]    
Lease liabilities, beginning 97  
Additions and contact modifications  
Payment (12)  
Interest 2  
Lease liabilities, ending 104  
Translation adjustment 17  
Energy Plants [Member]    
IfrsStatementLineItems [Line Items]    
Lease liabilities, beginning 43  
Additions and contact modifications  
Payment (6)  
Interest 1  
Lease liabilities, ending 28  
Translation adjustment (10)  
Other [Member]    
IfrsStatementLineItems [Line Items]    
Lease liabilities, beginning 50  
Additions and contact modifications 4  
Payment (6)  
Interest 1  
Lease liabilities, ending 52  
Translation adjustment 7  
Transfer to held for sale $ (4)