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Financial risk management (Details 13) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
IfrsStatementLineItems [Line Items]    
Foreign currency derivatives, assets $ 45 $ 69
Foreign currency derivatives, liabilities   (49)
Recurring fair value measurement [member]    
IfrsStatementLineItems [Line Items]    
Foreign currency derivatives, liabilities (124)  
Recurring fair value measurement [member] | Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Foreign currency derivatives, assets 3 1
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Foreign currency derivatives, assets   68
Foreign currency derivatives, liabilities (124) $ (49)
Recurring fair value measurement [member] | Commodity Derivatives Liabilities [Member]    
IfrsStatementLineItems [Line Items]    
Foreign currency derivatives, assets 3  
Recurring fair value measurement [member] | Commodity Derivatives Liabilities [Member] | Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Foreign currency derivatives, assets 3  
Recurring fair value measurement [member] | Interest Rate Derivatives [Member]    
IfrsStatementLineItems [Line Items]    
Foreign currency derivatives, assets 42  
Recurring fair value measurement [member] | Interest Rate Derivatives [Member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Foreign currency derivatives, assets 42  
Recurring fair value measurement [member] | Foreign Currency Contracts Derivative [Member]    
IfrsStatementLineItems [Line Items]    
Foreign currency derivatives, liabilities (124)  
Recurring fair value measurement [member] | Foreign Currency Contracts Derivative [Member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Foreign currency derivatives, liabilities $ (124)