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Intangible Assets and Goodwill, Net - Net carrying amount of goodwill, indefinite-lived trademarks and concessions (Details) - MXN ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Balance at beginning of the period | $ 43,063,516 |  |
Balance at end of the period | 43,328,954 | $ 43,063,516 |
Impairment of long-lived assets | (1,446,568) | (1,479,511) | $ (1,245,334)
Goodwill |  |  |
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Balance at beginning of the period | 14,113,626 | 14,112,626 |
Acquisitions |  | 1,000 |
Balance at end of the period | 14,113,626 | 14,113,626 | 14,112,626
Goodwill | Cable |  |  |
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Balance at beginning of the period | 13,794,684 | 13,793,684 |
Acquisitions |  | 1,000 |
Balance at end of the period | 13,794,684 | 13,794,684 | 13,793,684
Goodwill | Content |  |  |
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Balance at beginning of the period | 241,973 | 241,973 |
Balance at end of the period | 241,973 | 241,973 | 241,973
Goodwill | Other Businesses |  |  |
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Balance at beginning of the period | 76,969 | 76,969 |
Balance at end of the period | 76,969 | 76,969 | 76,969
Indefinite-lived trademarks |  |  |
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Balance at beginning of the period | 479,409 | 615,147 |
Foreign Currency Translation Adjustments |  | 12 |
Impairment adjustments | (67,574) | (135,750) |
Transfers | (236,391) |  |
Balance at end of the period | 175,444 | 479,409 | 615,147
Indefinite-lived trademarks | Cable |  |  |
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Balance at beginning of the period | 368,603 | 368,603 |
Transfers | (236,391) |  |
Balance at end of the period | 132,212 | 368,603 | 368,603
Indefinite-lived trademarks | Other Businesses |  |  |
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Balance at beginning of the period | 110,806 | 246,544 |
Foreign Currency Translation Adjustments |  | 12 |
Impairment adjustments | (67,574) | (135,750) |
Balance at end of the period | 43,232 | 110,806 | 246,544
Concessions |  |  |
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Balance at beginning of the period | 15,166,067 | 15,166,067 |
Balance at end of the period | 15,166,067 | 15,166,067 | 15,166,067
Concessions | Cable |  |  |
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Balance at beginning of the period | 15,070,025 | 15,070,025 |
Balance at end of the period | 15,070,025 | 15,070,025 | 15,070,025
Concessions | Sky |  |  |
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Balance at beginning of the period | 96,042 | 96,042 |
Balance at end of the period | 96,042 | 96,042 | $ 96,042
Trademarks |  |  |
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Impairment of long-lived assets | (67,574) | (135,750) |
Intangible Assets with Finite Useful Lives |  |  |
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Balance at beginning of the period | 13,304,414 |  |
Balance at end of the period | 13,873,817 | 13,304,414 |
Intangible Assets with Finite Useful Lives | Concessions |  |  |
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Balance at beginning of the period | 332,103 |  |
Balance at end of the period | 221,402 | 332,103 |
Intangible Assets with Finite Useful Lives | Trademarks |  |  |
Changes in the net carrying amount of goodwill, indefinite-lived trademarks and concessions |  |  |
Balance at beginning of the period | 321,520 |  |
Balance at end of the period | $ 228,510 | $ 321,520 |

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- Definition The increase in intangible assets and goodwill resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2019-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2019-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount. [Refer: Carrying amount [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2019-01-01 -Paragraph 130 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2019-en-r&anchor=para_130_b&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2019-01-01 -Paragraph 130 -Subparagraph d -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2019-en-r&anchor=para_130_d_ii&doctype=Standard -URIDate 2019-03-27 + Details
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