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Intangibles - (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
IfrsStatementLineItems [Line Items]    
Balance at beginning of year $ 10,238 $ 9,011
Additions 1,072 1,126
Disposals (14) (13)
Amortization (292) (272)
Translation adjustment 696 386
Balance at end of year 11,631 10,238
Transfer to held for sale (69)  
Intangible assets and goodwill 11,631 10,238
Gross carrying amount [member]    
IfrsStatementLineItems [Line Items]    
Intangible assets and goodwill, cost 13,866 12,089
Accumulated depreciation, amortisation and impairment [member]    
IfrsStatementLineItems [Line Items]    
Accumulated amortization (2,235) (1,851)
Goodwill [member]    
IfrsStatementLineItems [Line Items]    
Balance at beginning of year 3,189 3,208
Translation adjustment 142 (19)
Balance at end of year 3,263 3,189
Transfer to held for sale (68)  
Intangible assets and goodwill 3,263 3,189
Goodwill [member] | Gross carrying amount [member]    
IfrsStatementLineItems [Line Items]    
Intangible assets and goodwill, cost 3,263 3,189
Ifrs Concessions [Member]    
IfrsStatementLineItems [Line Items]    
Balance at beginning of year 6,434 5,223
Additions 1,013 1,087
Disposals (14) (13)
Amortization (251) (229)
Translation adjustment 507 366
Balance at end of year 7,689 6,434
Intangible assets and goodwill 7,689 6,434
Ifrs Concessions [Member] | Gross carrying amount [member]    
IfrsStatementLineItems [Line Items]    
Intangible assets and goodwill, cost 9,394 7,808
Ifrs Concessions [Member] | Accumulated depreciation, amortisation and impairment [member]    
IfrsStatementLineItems [Line Items]    
Accumulated amortization (1,705) (1,374)
Computer software [member]    
IfrsStatementLineItems [Line Items]    
Balance at beginning of year 87 86
Additions 53 39
Amortization (41) (43)
Translation adjustment 6 5
Balance at end of year 104 87
Transfer to held for sale (1)  
Intangible assets and goodwill 104 87
Computer software [member] | Gross carrying amount [member]    
IfrsStatementLineItems [Line Items]    
Intangible assets and goodwill, cost 634 564
Computer software [member] | Accumulated depreciation, amortisation and impairment [member]    
IfrsStatementLineItems [Line Items]    
Accumulated amortization (530) (477)
Research And Development Project And Patents [Member]    
IfrsStatementLineItems [Line Items]    
Balance at beginning of year 528 494
Additions 6  
Translation adjustment 41 34
Balance at end of year 575 528
Intangible assets and goodwill 575 528
Research And Development Project And Patents [Member] | Gross carrying amount [member]    
IfrsStatementLineItems [Line Items]    
Intangible assets and goodwill, cost $ 575 $ 528