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Income Taxes - Tax (charge) credit relating to components of other comprehensive income (Details) - MXN ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Other comprehensive loss, Before Tax |  |  |
Remeasurement of post-employment benefit obligations | $ (247,092) | $ (97,086) | $ (283,106)
Remeasurement of post-employment benefit obligations of assets held for sale | (3,445) |  |
Exchange differences on translating foreign operations | (98,422) | (859,032) | 334,097
Derivative financial instruments cash flow hedges, Before Tax | (1,521,912) | 174,532 | 231,758
Warrants exercisable for common stock of UHI | 257,306 | (1,347,698) | (280,447)
Opend Ended Fund, Before Tax | (351,202) | 215,957 | 1,008,675
Other equity instruments, Before Tax | (794,624) | 603,766 |
Other financial assets, Before Tax | 111 | (111) |
Share of loss of associates and joint ventures, Before Tax | (236,159) | (47,313) | (60,340)
Other comprehensive (loss) income before income taxes | (2,995,439) | (1,356,985) | 950,637
Other comprehensive loss, Tax (Charge) Credit |  |  |
Remeasurement of post-employment benefit obligations, Tax (Charge) Credit | 74,128 | 230,623 |
Remeasurement of post-employment benefit obligations of assets held for sale, Tax (Charge) Credit | 1,033 |  |
Exchange differences on translating foreign operations, Tax (Charge) Credit | (101,323) | (587) | (78,040)
Derivative financial instruments cash flow hedges, Tax (Charge) Credit | 456,574 | (52,359) | (69,527)
Warrants exercisable for common stock of UHI, Tax (Charge) Credit | (77,192) | 404,309 | 84,134
Open Ended Fund, Tax (Charge) Credit | 112,590 | (64,787) | (302,603)
Other equity instruments, Tax (Charge) Credit | 238,387 | (181,130) |
Other financial assets, Tax (Charge) Credit | (33) | 33 |
Other comprehensive income, Tax (Charge) Credit | 704,164 | 336,102 | (366,036)
Current tax | (449,933) | (587) | (78,040)
Deferred tax | 1,154,097 | 336,689 | (287,996)
Other comprehensive loss, After Tax |  |  |
Remeasurement of post-employment benefit obligations, After Tax | (172,964) | 133,537 | (283,106)
Remeasurement of post-employment benefit obligations of assets held for sale, after tax | (2,412) |  |
Exchange differences on translating foreign operations, After Tax | (199,745) | (859,619) | 256,057
Derivative financial instruments cash flow hedges, After Tax | (1,065,338) | 122,173 | 162,231
Warrants exercisable for common stock of UHI, After Tax | 180,114 | (943,389) | (196,313)
Open Ended Fund, After Tax | (238,612) | 151,170 | 706,072
Other equity instruments, After Tax | (556,237) | 422,636 |
Other financial assets, After Tax | 78 | (78) |
Share of loss of associates and joint ventures, After Tax | (236,159) | (47,313) | (60,340)
Total other comprehensive income | (2,291,275) | (1,020,883) | $ 584,601
Deferred income tax liability related to associates and joint ventures | $ 1,029,209 | 993,402 |
Deferred Tax Expense (Income) Relating to Remeasurement of Post Employment Benefit Obligations |  | $ 201,497 |

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- Definition The amount of income tax relating to amounts recognised in other comprehensive income. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2019-01-01 -Paragraph 81 -Subparagraph ab -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_ab&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 90 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_90&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of income tax relating to amounts recognised in other comprehensive income in relation to exchange differences on the translation of financial statements of foreign operations. [Refer: Other comprehensive income; Reserve of exchange differences on translation] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2019-01-01 -Paragraph 81 -Subparagraph ab -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_ab&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 90 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_90&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of income tax relating to amounts recognised in other comprehensive income in relation to financial assets measured at fair value through other comprehensive income. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2019-01-01 -Paragraph 81 -Subparagraph ab -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_ab&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 90 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_90&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of income tax relating to amounts recognised in other comprehensive income in relation to remeasurements of defined benefit plans. [Refer: Other comprehensive income; Reserve of remeasurements of defined benefit plans; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2019-01-01 -Paragraph 81 -Subparagraph ab -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_ab&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 90 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_90&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition Definition not applicable. + References No definition available. + Details
Name: | tv_OtherComprehensiveIncomeNetOfTaxAbstract
Namespace Prefix: | tv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of other comprehensive income, net of tax, related to other equity instruments measured at fair value through other comprehensive income. + References No definition available. + Details
Name: | tv_OtherComprehensiveIncomeNetOfTaxEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncome
Namespace Prefix: | tv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of other comprehensive income, net of tax, related to gains (losses) on remeasurements of defined benefit plans on assets held for sale. + References No definition available. + Details
Name: | tv_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlansOnAssetsHeldForSale
Namespace Prefix: | tv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of other comprehensive income, net of tax, related to open ended fund. + References No definition available. + Details
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Namespace Prefix: | tv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of other comprehensive income, net of tax, related to warrants issued, net of hedge. + References No definition available. + Details
Name: | tv_OtherComprehensiveIncomeNetOfTaxWarrantsIssuedNetOfHedges
Namespace Prefix: | tv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration