v3.25.2
Leases (Details 1) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]    
Lease liabilities, beginning $ 713  
Additions and contact modifications 34  
Payment (63)  
Interest 16  
Translation adjustment 36  
Lease liabilities, ending 699  
Transfer to held for sale (37)  
Current liabilities 14,469 $ 13,090
Non-current liabilities 35,405 32,534
Lease liabilities 699 713
Lease liabilities [member]    
IfrsStatementLineItems [Line Items]    
Current liabilities 175 147
Non-current liabilities 524 $ 566
Ports [Member]    
IfrsStatementLineItems [Line Items]    
Lease liabilities, beginning 54  
Additions and contact modifications  
Payment (10)  
Interest 1  
Translation adjustment 4  
Lease liabilities, ending 49  
Vessels [Member]    
IfrsStatementLineItems [Line Items]    
Lease liabilities, beginning 356  
Additions and contact modifications 21  
Payment (31)  
Interest 6  
Translation adjustment  
Lease liabilities, ending 352  
Pelletizing Plants [Member]    
IfrsStatementLineItems [Line Items]    
Lease liabilities, beginning 126  
Additions and contact modifications (14)  
Payment (3)  
Interest 3  
Translation adjustment 17  
Lease liabilities, ending 129  
Properties [Member]    
IfrsStatementLineItems [Line Items]    
Lease liabilities, beginning 107  
Additions and contact modifications 24  
Payment (11)  
Interest 2  
Translation adjustment 13  
Lease liabilities, ending 98  
Transfer to held for sale (37)  
Energy Plants [Member]    
IfrsStatementLineItems [Line Items]    
Lease liabilities, beginning 43  
Additions and contact modifications  
Payment (2)  
Interest 2  
Translation adjustment 1  
Lease liabilities, ending 44  
Unallocated items [Member]    
IfrsStatementLineItems [Line Items]    
Lease liabilities, beginning 27  
Additions and contact modifications 3  
Payment (6)  
Interest 2  
Translation adjustment 1  
Lease liabilities, ending $ 27