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Intangible Assets, Net and Goodwill - Summary of Analysis of Intangible Assets (Detail) - MXN ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Licenses and rights of use [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | $ 103,298,395 | $ 113,304,386 | $ 116,031,264
Acquisitions | 13,206,877 | 4,227,244 | 12,347,051
Acquisitions in business combinations | 7,844,339 |  | 53,923
Disposals and other | 4,894,490 | 502,397 | (792,894)
Amortization of the year | (11,577,160) | (11,347,089) | (11,879,489)
Effect of translation of foreign subsidiaries | (6,233,962) | (3,388,543) | (2,455,469)
Balance at end of year | 111,432,979 | 103,298,395 | 113,304,386
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 | 233,478,974 | 247,413,824 | 242,739,362
Acquisitions | 13,206,877 | 4,227,244 | 12,347,051
Acquisitions in business combinations | 7,844,339 |  | 53,923
Disposals and other | 7,286,114 | 1,508,274 | (1,037,458)
Effect of translation of foreign subsidiaries | (15,715,442) | (19,670,368) | (6,689,054)
Balance at end of year | 246,100,862 | 233,478,974 | 247,413,824
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 | (130,180,579) | (134,109,438) | (126,708,098)
Disposals and other | (2,391,624) | (1,005,877) | 244,564
Amortization of the year | (11,577,160) | (11,347,089) | (11,879,489)
Effect of translation of foreign subsidiaries | 9,481,480 | 16,281,825 | 4,233,585
Balance at end of year | (134,667,883) | (130,180,579) | (134,109,438)
Trademarks [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 4,667,205 | 9,937,807 | 12,566,893
Acquisitions | 53,467 | 159,958 | 127,823
Acquisitions in business combinations |  | 6,631 | 82,868
Disposals and other | (6,012) |  | 4,660
Amortization of the year | (1,008,483) | (4,973,602) | (3,179,461)
Effect of translation of foreign subsidiaries | (217,468) | (463,589) | 335,024
Balance at end of year | 3,488,709 | 4,667,205 | 9,937,807
Trademarks [member] | Cost [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 28,207,166 | 28,779,212 | 27,789,150
Acquisitions | 53,467 | 159,958 | 127,823
Acquisitions in business combinations |  | 6,631 | 82,868
Disposals and other | (6,012) |  | (29,804)
Effect of translation of foreign subsidiaries | (835,613) | (738,635) | 809,175
Balance at end of year | 27,419,008 | 28,207,166 | 28,779,212
Trademarks [member] | Accumulated depreciation [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | (23,539,961) | (18,841,405) | (15,222,257)
Acquisitions | 0 |  |
Disposals and other | 0 |  | 34,464
Amortization of the year | (1,008,483) | (4,973,602) | (3,179,461)
Effect of translation of foreign subsidiaries | 618,145 | 275,046 | (474,151)
Balance at end of year | (23,930,299) | (23,539,961) | (18,841,405)
Customer relationships [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 6,781,531 | 10,856,219 | 13,810,434
Acquisitions | 20,248 | 74,637 |
Acquisitions in business combinations |  | 15,556 | 512,667
Disposals and other | 5,507 |  |
Amortization of the year | (3,371,924) | (3,754,312) | (3,769,777)
Effect of translation of foreign subsidiaries | (335,981) | (410,569) | 302,895
Balance at end of year | 3,099,381 | 6,781,531 | 10,856,219
Customer relationships [member] | Cost [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 25,543,068 | 26,985,714 | 26,245,508
Acquisitions | 20,248 | 74,637 |
Acquisitions in business combinations |  | 15,556 | 512,667
Disposals and other | 5,507 |  | (882,338)
Effect of translation of foreign subsidiaries | (2,693,812) | (1,532,839) | 1,109,877
Balance at end of year | 22,875,011 | 25,543,068 | 26,985,714
Customer relationships [member] | Accumulated depreciation [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | (18,761,537) | (16,129,495) | (12,435,074)
Acquisitions | 0 |  |
Disposals and other | 0 |  | 882,338
Amortization of the year | (3,371,924) | (3,754,312) | (3,769,777)
Effect of translation of foreign subsidiaries | 2,357,831 | 1,122,270 | (806,982)
Balance at end of year | (19,775,630) | (18,761,537) | (16,129,495)
Software licenses [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 6,604,455 | 7,240,437 | 7,751,056
Acquisitions | 2,729,480 | 2,004,550 | 3,351,200
Acquisitions in business combinations |  | 3,006 |
Disposals and other | (949,859) | 1,772,238 | (485,449)
Amortization of the year | (2,479,088) | (3,491,629) | (3,699,363)
Effect of translation of foreign subsidiaries | (801,621) | (924,147) | 322,993
Balance at end of year | 5,103,367 | 6,604,455 | 7,240,437
Software licenses [member] | Cost [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 14,309,258 | 15,055,598 | 12,874,796
Acquisitions | 2,729,480 | 2,004,550 | 3,351,200
Acquisitions in business combinations |  | 3,006 |
Disposals and other | (949,858) | (905,610) | (1,698,118)
Amortization of the year | 0 |  |
Effect of translation of foreign subsidiaries | (2,984,770) | (1,848,286) | 527,720
Balance at end of year | 13,104,110 | 14,309,258 | 15,055,598
Software licenses [member] | Accumulated depreciation [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | (7,704,803) | (7,815,161) | (5,123,740)
Acquisitions | 0 |  |
Disposals and other | (1) | 2,677,848 | 1,212,669
Amortization of the year | (2,479,088) | (3,491,629) | (3,699,363)
Effect of translation of foreign subsidiaries | 2,183,149 | 924,139 | (204,727)
Balance at end of year | (8,000,743) | (7,704,803) | (7,815,161)
Content rights [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 786,117 | 2,200,777 | 2,209,799
Acquisitions | 1,427,694 | 850,779 | 2,099,084
Disposals and other | 1,629,287 |  | (258,795)
Amortization of the year | (1,772,779) | (2,231,978) | (1,820,092)
Effect of translation of foreign subsidiaries | (25,366) | (33,461) | (29,219)
Balance at end of year | 2,044,953 | 786,117 | 2,200,777
Content rights [member] | Cost [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 7,549,709 | 6,717,442 | 4,876,298
Acquisitions | 1,427,694 | 850,779 | 2,099,084
Disposals and other | 1,638,007 |  | (63,137)
Effect of translation of foreign subsidiaries | (455,228) | (18,512) | (194,803)
Balance at end of year | 10,160,182 | 7,549,709 | 6,717,442
Content rights [member] | Accumulated depreciation [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | (6,763,592) | (4,516,665) | (2,666,499)
Acquisitions | 0 |  |
Disposals and other | (8,720) |  | (195,658)
Amortization of the year | (1,772,779) | (2,231,978) | (1,820,092)
Effect of translation of foreign subsidiaries | 429,862 | (14,949) | 165,584
Balance at end of year | (8,115,229) | (6,763,592) | (4,516,665)
Intangibles, net [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 122,137,703 | 143,539,626 | 152,369,446
Acquisitions | 17,437,766 | 7,317,168 | 17,925,158
Acquisitions in business combinations | 7,844,339 | 25,193 | 649,458
Disposals and other | 5,573,413 | 2,274,635 | (1,532,478)
Amortization of the year | (20,209,434) | (25,798,610) | (24,348,182)
Effect of translation of foreign subsidiaries | (7,614,398) | (5,220,309) | (1,523,776)
Balance at end of year | 125,169,389 | 122,137,703 | 143,539,626
Goodwill [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Balance at beginning of year | 145,566,497 | 151,463,232 | 152,632,635
Acquisitions |  | 0 |
Acquisitions in business combinations | 10,869,571 | 334,739 | 951,348
Disposals and other | (843,005) | (1,094,861) | (134,525)
Effect of translation of foreign subsidiaries | (2,693,262) | (5,136,613) | (1,986,226)
Balance at end of year | $ 152,899,801 | $ 145,566,497 | $ 151,463,232

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