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Related-party transactions (Details 2) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
IfrsStatementLineItems [Line Items]    
Compensation of employees $ 38,682 $ 38,703
Bottom of range [member]    
IfrsStatementLineItems [Line Items]    
Compensation of employees 759 678
Compensation of Director 322,668 536,948
Weighted average [member]    
IfrsStatementLineItems [Line Items]    
Compensation of employees 4,367 3,775
Compensation of Director 586,324 697,110
Top of range [member]    
IfrsStatementLineItems [Line Items]    
Compensation of employees 20,790 19,220
Compensation of Director $ 437,916 $ 544,862