v3.25.2
Financial and capital risk management (Details 6)
bbl in Millions, $ in Millions
Jun. 30, 2025
USD ($)
bbl
Dec. 31, 2024
USD ($)
bbl
Bunker Oil Options [Member]    
IfrsStatementLineItems [Line Items]    
Notional amount per barrel | bbl 18,954,750 24,050,625
Fair value of liabilities $ 6 $ 11
Bunker Oil Options [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Value at risk (10)  
Bunker Oil Options [Member] | Later than one year [member]    
IfrsStatementLineItems [Line Items]    
Value at risk 16  
Freight forwards [Member]    
IfrsStatementLineItems [Line Items]    
Fair value of liabilities $ (5) $ (11)
Nominal amount of hedging instrument 4,380 3,240
Freight forwards [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Value at risk $ (4)  
Freight forwards [Member] | Later than one year [member]    
IfrsStatementLineItems [Line Items]    
Value at risk (1)  
Nickel forwards [Member]    
IfrsStatementLineItems [Line Items]    
Fair value of liabilities $ (3) $ (7)
Nominal amount of hedging instrument 3,478 4,978
Nickel forwards [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Value at risk $ (3)