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Property, Plant and Equipment, Net - Others (Details) - MXN ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment, Net      
Property, plant and equipment $ 87,922,126 $ 83,281,627 $ 83,329,232
Cost      
Property, Plant and Equipment, Net      
Property, plant and equipment 226,508,751 208,238,914 192,358,016
Accumulated Amortisation      
Property, Plant and Equipment, Net      
Property, plant and equipment (138,586,625) (124,957,287) $ (109,028,784)
Subscriber leased set-top equipment      
Property, Plant and Equipment, Net      
Property, plant and equipment 17,497,525 15,679,149  
Subscriber leased set-top equipment | Cost      
Property, Plant and Equipment, Net      
Property, plant and equipment 47,813,940 42,564,180  
Subscriber leased set-top equipment | Accumulated Amortisation      
Property, Plant and Equipment, Net      
Property, plant and equipment $ (30,316,415) $ (26,885,031)