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Finance debt (Details 3) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
IfrsStatementLineItems [Line Items]    
Proceeds from finance debt $ 567 $ 62
Repayment of principal (2,335) (1,445)
Repayment of interest (998) (990)
Net Cash Used In Financing Activities [Member]    
IfrsStatementLineItems [Line Items]    
Proceeds from finance debt 567 62
Repayment of principal (2,318) (1,482)
Repayment of interest (995) (1,004)
Finance Debt [Member] | Changes In Finance Debt [Member]    
IfrsStatementLineItems [Line Items]    
Proceeds from finance debt 567 62
Repayment of principal (2,335) (1,445)
Repayment of interest (998) (990)
Finance Debt [Member] | Deposits Financing [Member]    
IfrsStatementLineItems [Line Items]    
Repayment of principal 17 (37)
Repayment of interest $ 3 $ (14)