XML 124 R105.htm IDEA: XBRL DOCUMENT v3.21.1
Intangible Assets and Goodwill, Net - Changes in intangible assets with definite useful lives (Details) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Analysis of the changes in intangible assets    
Balance at beginning of the period $ 43,328,954  
Balance at end of the period 42,724,218 $ 43,328,954
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
Intangible Assets with Finite Useful Lives    
Analysis of the changes in intangible assets    
Balance at beginning of the period 13,873,817  
Balance at end of the period 13,409,283 13,873,817
Intangible Assets with Finite Useful Lives | Trademarks    
Analysis of the changes in intangible assets    
Balance at beginning of the period 228,510  
Amortization of the year   321,520
Balance at end of the period 255,782 228,510
Intangible Assets with Finite Useful Lives | Concessions    
Analysis of the changes in intangible assets    
Balance at beginning of the period 221,402  
Amortization of the year 110,701 110,701
Balance at end of the period 110,701 221,402
Intangible Assets with Finite Useful Lives | Licenses and software    
Analysis of the changes in intangible assets    
Balance at beginning of the period 4,015,219  
Balance at end of the period 4,692,574 4,015,219
Intangible Assets with Finite Useful Lives | List of subscribers    
Analysis of the changes in intangible assets    
Balance at beginning of the period 2,150,433  
Balance at end of the period 1,546,264 2,150,433
Intangible Assets with Finite Useful Lives | Payments for renewal of concessions    
Analysis of the changes in intangible assets    
Balance at beginning of the period 5,821,828  
Balance at end of the period 5,825,559 5,821,828
Intangible Assets with Finite Useful Lives | Other intangible assets    
Analysis of the changes in intangible assets    
Balance at beginning of the period 1,436,425  
Balance at end of the period 978,403 1,436,425
Cost    
Analysis of the changes in intangible assets    
Balance at beginning of the period 62,798,367  
Transfers to property, plant and equipment 1,045,065 1,487,056
Balance at end of the period 65,034,704 62,798,367
Cost | Intangible Assets with Finite Useful Lives    
Analysis of the changes in intangible assets    
Balance at beginning of the period 33,343,230 30,389,457
Additions 1,235,177 2,106,750
Transfers from property, plant and equipment 1,247,347 1,487,056
Transfers to property, plant and equipment (202,282)  
Retirements (53,140) (855,838)
Transfers and reclassifications 127,526 236,391
Effect of translation 21,911 (20,586)
Balance at end of the period 35,719,769 33,343,230
Cost | Intangible Assets with Finite Useful Lives | Trademarks    
Analysis of the changes in intangible assets    
Balance at beginning of the period 2,127,697 1,891,306
Transfers and reclassifications 99,399 236,391
Balance at end of the period 2,227,096 2,127,697
Cost | Intangible Assets with Finite Useful Lives | Concessions    
Analysis of the changes in intangible assets    
Balance at beginning of the period 553,505 553,505
Balance at end of the period 553,505 553,505
Cost | Intangible Assets with Finite Useful Lives | Licenses and software    
Analysis of the changes in intangible assets    
Balance at beginning of the period 10,858,388 9,065,582
Additions 959,813 913,108
Transfers from property, plant and equipment 1,247,347 1,487,056
Retirements (28,127) (526,166)
Transfers and reclassifications 84,823 (68,641)
Effect of translation 17,236 (12,551)
Balance at end of the period 13,139,480 10,858,388
Cost | Intangible Assets with Finite Useful Lives | List of subscribers    
Analysis of the changes in intangible assets    
Balance at beginning of the period 8,782,852 8,785,423
Transfers and reclassifications 16,428 1,162
Effect of translation 5,054 (3,733)
Balance at end of the period 8,804,334 8,782,852
Cost | Intangible Assets with Finite Useful Lives | Payments for renewal of concessions    
Analysis of the changes in intangible assets    
Balance at beginning of the period 5,821,828 5,993,891
Additions 3,731 67,285
Retirements   (239,348)
Balance at end of the period 5,825,559 5,821,828
Cost | Intangible Assets with Finite Useful Lives | Other intangible assets    
Analysis of the changes in intangible assets    
Balance at beginning of the period 5,198,960 4,099,750
Additions 271,633 1,126,357
Transfers to property, plant and equipment (202,282)  
Retirements (25,013) (90,324)
Transfers and reclassifications (73,124) 67,479
Effect of translation (379) (4,302)
Balance at end of the period 5,169,795 5,198,960
Accumulated Amortisation    
Analysis of the changes in intangible assets    
Balance at beginning of the period (19,469,413)  
Balance at end of the period (22,310,486) (19,469,413)
Accumulated Amortisation | Intangible Assets with Finite Useful Lives    
Analysis of the changes in intangible assets    
Balance at beginning of the period (19,469,413) (17,085,043)
Amortization of the year (2,474,510) (2,500,646)
Other amortization of the year (380,863) 531,426
Retirements 30,130 631,738
Effect of translation (15,830) 15,964
Balance at end of the period (22,310,486) (19,469,413)
Accumulated Amortisation | Intangible Assets with Finite Useful Lives | Trademarks    
Analysis of the changes in intangible assets    
Balance at beginning of the period (1,899,187) (1,569,786)
Amortization of the year (72,127) (329,401)
Balance at end of the period (1,971,314) (1,899,187)
Accumulated Amortisation | Intangible Assets with Finite Useful Lives | Concessions    
Analysis of the changes in intangible assets    
Balance at beginning of the period (332,103) (221,402)
Amortization of the year (110,701) (110,701)
Balance at end of the period (442,804) (332,103)
Accumulated Amortisation | Intangible Assets with Finite Useful Lives | Licenses and software    
Analysis of the changes in intangible assets    
Balance at beginning of the period (6,843,169) (5,934,647)
Amortization of the year (1,717,282) (1,490,841)
Retirements 28,127 529,403
Reclassifications 96,304 44,824
Effect of translation (10,886) 8,092
Balance at end of the period (8,446,906) (6,843,169)
Accumulated Amortisation | Intangible Assets with Finite Useful Lives | List of subscribers    
Analysis of the changes in intangible assets    
Balance at beginning of the period (6,632,419) (6,108,251)
Amortization of the year (523,878) (530,013)
Reclassifications (96,719) 2,112
Effect of translation (5,054) 3,733
Balance at end of the period (7,258,070) (6,632,419)
Accumulated Amortisation | Intangible Assets with Finite Useful Lives | Payments for renewal of concessions    
Analysis of the changes in intangible assets    
Balance at beginning of the period   (15,454)
Amortization of the year   (7,773)
Retirements   23,227
Accumulated Amortisation | Intangible Assets with Finite Useful Lives | Other intangible assets    
Analysis of the changes in intangible assets    
Balance at beginning of the period (3,762,535) (3,235,503)
Amortization of the year (50,522) (31,917)
Other amortization of the year (380,863) 531,426
Retirements 2,003 79,108
Reclassifications 415 (46,936)
Effect of translation 110 4,139
Balance at end of the period $ (4,191,392) $ (3,762,535)