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Intangible Assets, Net and Goodwill - Summary of Analysis of Intangible Assets (Detail) - MXN ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Licenses and rights of use [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | $ 111,432,979 | $ 103,298,395 | $ 113,304,386
Acquisitions | 15,079,714 | 13,206,877 | 4,227,244
Acquisitions in business combinations | 4,436,313 | 7,844,339 |
Disposals and other | 1,608,873 | 4,894,490 | 502,397
Amortization of the year | (14,274,497) | (11,577,160) | (11,347,089)
Effect of translation of foreign subsidiaries | 197,715 | (6,233,962) | (3,388,543)
Balance at end of year | 118,481,097 | 111,432,979 | 103,298,395
Licenses and rights of use [member] | Cost [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 246,100,862 | 233,478,974 | 247,413,824
Acquisitions | 15,079,714 | 13,206,877 | 4,227,244
Acquisitions in business combinations | 4,436,313 | 7,844,339 |
Disposals and other | 1,502,981 | 7,286,114 | 1,508,274
Effect of translation of foreign subsidiaries | (14,029,709) | (15,715,442) | (19,670,368)
Balance at end of year | 253,090,161 | 246,100,862 | 233,478,974
Licenses and rights of use [member] | Accumulated depreciation [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | (134,667,883) | (130,180,579) | (134,109,438)
Disposals and other | 105,892 | (2,391,624) | (1,005,877)
Amortization of the year | (14,274,497) | (11,577,160) | (11,347,089)
Effect of translation of foreign subsidiaries | 14,227,424 | 9,481,480 | 16,281,825
Balance at end of year | (134,609,064) | (134,667,883) | (130,180,579)
Trademarks [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 3,488,709 | 4,667,205 | 9,937,807
Acquisitions | 162,309 | 53,467 | 159,958
Acquisitions in business combinations | 12,110 |  | 6,631
Disposals and other | (276) | (6,012) |
Amortization of the year | (300,727) | (1,008,483) | (4,973,602)
Effect of translation of foreign subsidiaries | 415,293 | (217,468) | (463,589)
Balance at end of year | 3,777,418 | 3,488,709 | 4,667,205
Trademarks [member] | Cost [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 27,419,008 | 28,207,166 | 28,779,212
Acquisitions | 162,309 | 53,467 | 159,958
Acquisitions in business combinations | 12,110 |  | 6,631
Disposals and other | 4,000 | (6,012) |
Effect of translation of foreign subsidiaries | 1,534,938 | (835,613) | (738,635)
Balance at end of year | 29,132,365 | 27,419,008 | 28,207,166
Trademarks [member] | Accumulated depreciation [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | (23,930,299) | (23,539,961) | (18,841,405)
Acquisitions |  | 0 |
Disposals and other | (4,276) | 0 |
Amortization of the year | (300,727) | (1,008,483) | (4,973,602)
Effect of translation of foreign subsidiaries | (1,119,645) | 618,145 | 275,046
Balance at end of year | (25,354,947) | (23,930,299) | (23,539,961)
Customer relationships [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 3,099,381 | 6,781,531 | 10,856,219
Acquisitions | 1,935 | 20,248 | 74,637
Acquisitions in business combinations | 2,689,718 |  | 15,556
Disposals and other | (4,908) | 5,507 |
Amortization of the year | (1,654,237) | (3,371,924) | (3,754,312)
Effect of translation of foreign subsidiaries | 21,772 | (335,981) | (410,569)
Balance at end of year | 4,153,661 | 3,099,381 | 6,781,531
Customer relationships [member] | Cost [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 22,875,011 | 25,543,068 | 26,985,714
Acquisitions | 1,935 | 20,248 | 74,637
Acquisitions in business combinations | 2,689,718 |  | 15,556
Disposals and other | (5,763) | 5,507 |
Effect of translation of foreign subsidiaries | 4,018,365 | (2,693,812) | (1,532,839)
Balance at end of year | 29,579,266 | 22,875,011 | 25,543,068
Customer relationships [member] | Accumulated depreciation [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | (19,775,630) | (18,761,537) | (16,129,495)
Acquisitions |  | 0 |
Disposals and other | 855 | 0 |
Amortization of the year | (1,654,237) | (3,371,924) | (3,754,312)
Effect of translation of foreign subsidiaries | (3,996,593) | 2,357,831 | 1,122,270
Balance at end of year | (25,425,605) | (19,775,630) | (18,761,537)
Software licenses [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 5,103,367 | 6,604,455 | 7,240,437
Acquisitions | 2,445,784 | 2,729,480 | 2,004,550
Acquisitions in business combinations | 36 |  | 3,006
Disposals and other | (471,812) | (949,859) | 1,772,238
Amortization of the year | (2,667,870) | (2,479,088) | (3,491,629)
Effect of translation of foreign subsidiaries | 658,193 | (801,621) | (924,147)
Balance at end of year | 5,067,698 | 5,103,367 | 6,604,455
Software licenses [member] | Cost [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 13,104,110 | 14,309,258 | 15,055,598
Acquisitions | 2,445,784 | 2,729,480 | 2,004,550
Acquisitions in business combinations | 36 |  | 3,006
Disposals and other | (2,485,429) | (949,858) | (905,610)
Amortization of the year |  | 0 |
Effect of translation of foreign subsidiaries | 4,236,645 | (2,984,770) | (1,848,286)
Balance at end of year | 17,301,146 | 13,104,110 | 14,309,258
Software licenses [member] | Accumulated depreciation [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | (8,000,743) | (7,704,803) | (7,815,161)
Acquisitions |  | 0 |
Disposals and other | 2,013,617 | (1) | 2,677,848
Amortization of the year | (2,667,870) | (2,479,088) | (3,491,629)
Effect of translation of foreign subsidiaries | (3,578,452) | 2,183,149 | 924,139
Balance at end of year | (12,233,448) | (8,000,743) | (7,704,803)
Content rights [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 2,044,953 | 786,117 | 2,200,777
Acquisitions | 1,570,415 | 1,427,694 | 850,779
Disposals and other | (313,942) | 1,629,287 |
Amortization of the year | (1,440,749) | (1,772,779) | (2,231,978)
Effect of translation of foreign subsidiaries | 116,416 | (25,366) | (33,461)
Balance at end of year | 1,977,093 | 2,044,953 | 786,117
Content rights [member] | Cost [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 10,160,182 | 7,549,709 | 6,717,442
Acquisitions | 1,570,415 | 1,427,694 | 850,779
Disposals and other | (313,942) | 1,638,007 |
Effect of translation of foreign subsidiaries | 619,657 | (455,228) | (18,512)
Balance at end of year | 12,036,312 | 10,160,182 | 7,549,709
Content rights [member] | Accumulated depreciation [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | (8,115,229) | (6,763,592) | (4,516,665)
Disposals and other |  | (8,720) |
Amortization of the year | (1,440,749) | (1,772,779) | (2,231,978)
Effect of translation of foreign subsidiaries | (503,241) | 429,862 | (14,949)
Balance at end of year | (10,059,219) | (8,115,229) | (6,763,592)
Intangibles, net [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 125,169,389 | 122,137,703 | 143,539,626
Acquisitions | 19,260,157 | 17,437,766 | 7,317,168
Acquisitions in business combinations | 7,138,177 | 7,844,339 | 25,193
Disposals and other | 817,935 | 5,573,413 | 2,274,635
Amortization of the year | (20,338,080) | (20,209,434) | (25,798,610)
Effect of translation of foreign subsidiaries | 1,409,389 | (7,614,398) | (5,220,309)
Balance at end of year | 133,456,967 | 125,169,389 | 122,137,703
Goodwill [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 152,899,801 | 145,566,497 | 151,463,232
Acquisitions in business combinations | (7,014,120) | 10,869,571 | 334,739
Disposals and other | (537,343) | (843,005) | (1,094,861)
Effect of translation of foreign subsidiaries | (2,295,479) | (2,693,262) | (5,136,613)
Balance at end of year | $ 143,052,859 | $ 152,899,801 | $ 145,566,497

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