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Intangible Assets and Goodwill, Net - Changes in intangible assets and goodwill with indefinite useful lives (Details) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Analysis of the changes in intangible assets    
Balance at beginning of the period $ 42,724,218  
Balance at end of the period 42,255,881 $ 42,724,218
Concessions    
Analysis of the changes in intangible assets    
Balance at beginning of the period 15,166,067 15,166,067
Balance at end of the period 15,166,067 15,166,067
Goodwill.    
Analysis of the changes in intangible assets    
Balance at beginning of the period 14,113,626 14,113,626
Impairment adjustments (76,969)  
Balance at end of the period 14,036,657 14,113,626
Intangible Assets with Indefinite Useful Lives    
Analysis of the changes in intangible assets    
Balance at beginning of the period 29,314,935  
Balance at end of the period 29,237,966 29,314,935
Intangible Assets with Indefinite Useful Lives | Trademarks with finite useful lives    
Analysis of the changes in intangible assets    
Balance at beginning of the period 35,242  
Balance at end of the period 35,242 35,242
Intangible Assets with Indefinite Useful Lives | Concessions    
Analysis of the changes in intangible assets    
Balance at beginning of the period 15,166,067  
Balance at end of the period 15,166,067 15,166,067
Intangible Assets with Indefinite Useful Lives | Goodwill.    
Analysis of the changes in intangible assets    
Balance at beginning of the period 14,113,626  
Balance at end of the period 14,036,657 14,113,626
Cost    
Analysis of the changes in intangible assets    
Balance at beginning of the period 65,034,704  
Balance at end of the period 66,929,587 65,034,704
Cost | Intangible Assets with Indefinite Useful Lives    
Analysis of the changes in intangible assets    
Balance at beginning of the period 29,314,935 29,455,137
Impairment adjustments (76,969) (40,803)
Transfers and reclassifications   (99,399)
Balance at end of the period 29,237,966 29,314,935
Cost | Intangible Assets with Indefinite Useful Lives | Trademarks with finite useful lives    
Analysis of the changes in intangible assets    
Balance at beginning of the period 35,242 175,444
Impairment adjustments   (40,803)
Transfers and reclassifications   (99,399)
Balance at end of the period 35,242 35,242
Cost | Intangible Assets with Indefinite Useful Lives | Concessions    
Analysis of the changes in intangible assets    
Balance at beginning of the period 15,166,067 15,166,067
Balance at end of the period 15,166,067 15,166,067
Cost | Intangible Assets with Indefinite Useful Lives | Goodwill.    
Analysis of the changes in intangible assets    
Balance at beginning of the period 14,113,626 14,113,626
Impairment adjustments (76,969)  
Balance at end of the period $ 14,036,657 $ 14,113,626