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Intangible Assets and Goodwill, Net - Future amortization expense of trademarks (Details) - MXN ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Sep. 30, 2015
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Intangible Assets and Goodwill, Net        
Intangible assets and goodwill, net   $ 43,328,954 $ 43,063,516  
Concessions        
Intangible Assets and Goodwill, Net        
Intangible assets and goodwill, net   15,166,067 15,166,067 $ 15,166,067
Intangible Assets with Finite Useful Lives        
Intangible Assets and Goodwill, Net        
Intangible assets and goodwill, net   13,873,817 13,304,414  
Intangible Assets with Finite Useful Lives | Trademarks        
Intangible Assets and Goodwill, Net        
Intangible assets and goodwill, net   228,510 321,520  
Estimated useful life (in years) 4 years      
Amortization   321,520 472,827  
Intangible Assets with Finite Useful Lives | Concessions        
Intangible Assets and Goodwill, Net        
Intangible assets and goodwill, net   $ 221,402 332,103  
Estimated useful life (in years)   5 years    
Amortization   $ 110,701 $ 110,701  
Intangible Assets with Finite Useful Lives | Concessions | 2020        
Intangible Assets and Goodwill, Net        
Amortization   110,701    
Intangible Assets with Finite Useful Lives | Concessions | 2021        
Intangible Assets and Goodwill, Net        
Amortization   $ 110,701    
Intangible Assets with Finite Useful Lives | Concessions | 2022        
Intangible Assets and Goodwill, Net        
Intangible assets and goodwill, net       $ 553,505