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Intangible assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
IfrsStatementLineItems [Line Items]      
Balance at January 1, 2022 $ 2,986 $ 3,025  
Cost 4,405 4,162 $ 4,087
Accumulated amortization and impairment (1,363) (1,176) (1,062)
Addition 348 1,079  
Capitalized borrowing costs 13 11  
Write-offs (41) (18)  
Transfers (9) (12)  
Signature Bonuses Transfers (2) (16) (1,177)  
Amortization (104) (77)  
Impairment recognition (note 26) (364) (1)  
Translation adjustment 229 156  
Balance at December 31, 2022 3,042 2,986  
Service concession rights [member]      
IfrsStatementLineItems [Line Items]      
Balance at January 1, 2022 2,523 2,695  
Cost 2,489 2,578 2,744
Accumulated amortization and impairment (64) (55) (49)
Addition 148 898  
Capitalized borrowing costs  
Write-offs (41) (12)  
Transfers (11) (11)  
Signature Bonuses Transfers (2) (16) (1,177)  
Amortization (4) (4)  
Impairment recognition (note 26) (364)  
Translation adjustment 190 134  
Balance at December 31, 2022 $ 2,425 $ 2,523  
Estimated useful life in years 3 years 3 years  
Software Licenses [Member]      
IfrsStatementLineItems [Line Items]      
Balance at January 1, 2022 $ 439 $ 308  
Cost 1,891 1,560 1,321
Accumulated amortization and impairment (1,299) (1,121) (1,013)
Addition 200 181  
Capitalized borrowing costs 13 11  
Write-offs (6)  
Transfers 2 (1)  
Signature Bonuses Transfers (2)  
Amortization (100) (73)  
Impairment recognition (note 26) (1)  
Translation adjustment 38 20  
Balance at December 31, 2022 $ 592 $ 439  
Estimated useful life in years 5 years 5 years  
Goodwill [member]      
IfrsStatementLineItems [Line Items]      
Balance at January 1, 2022 $ 24 $ 22  
Cost 25 24 $ 22
Addition  
Capitalized borrowing costs  
Write-offs  
Transfers  
Signature Bonuses Transfers (2)  
Amortization  
Impairment recognition (note 26)  
Translation adjustment 1 2  
Balance at December 31, 2022 $ 25 $ 24