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Financial risk management (Details 5) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
IfrsStatementLineItems [Line Items]      
Cumulative losses in other comprehensive income (shareholders' equity) $ (20,360) $ (12,020) $ (17,507)
Cash flow hedges [member]      
IfrsStatementLineItems [Line Items]      
Cumulative losses in other comprehensive income (shareholders' equity) (30,845) (18,210) (26,527)
Deferred Income Taxes [Member]      
IfrsStatementLineItems [Line Items]      
Cumulative losses in other comprehensive income (shareholders' equity) $ 10,485 $ 6,190 $ 9,020