Retained Earnings and Accumulated Other Comprehensive Income - Accumulated Other Comprehensive Income (Details) - MXN ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Accumulated at beginning	$ 4,427,487
Accumulated at ending	1,320,451	$ 4,427,487
Accumulated Other Comprehensive Income
Accumulated at beginning	4,427,487	4,599,147
Partial disposition of Open Ended Fund	(837,520)
Remeasurement of post-employment benefit obligations of assets held for sale	(1,205)
Changes in other comprehensive income	(2,268,311)	(999,592)
Accumulated at ending	1,320,451	4,427,487
Open Ended Fund
Accumulated at beginning	3,966,615	3,750,658
Partial disposition of Open Ended Fund	(1,186,130)
Remeasurement of post-employment benefit obligations of assets held for sale	0
Changes in other comprehensive income	(351,202)	215,957
Accumulated at ending	2,429,283	3,966,615
Other Financial Assets
Accumulated at beginning	(111)
Changes in other comprehensive income	111	(111)
Accumulated at ending		(111)
Other Equity Instruments
Accumulated at beginning	1,786,526
Changes in other comprehensive income	(794,624)	603,766
Accumulated at ending	991,902	1,786,526
Warrants Exercisable for Common Stock of UHI
Accumulated at beginning	(1,960,362)	(612,664)
Changes in other comprehensive income	257,306	(1,347,698)
Accumulated at ending	(1,703,056)	(1,960,362)
Exchange Differences on Translating Foreign Operations
Accumulated at beginning	814,307	1,651,047
Changes in other comprehensive income	(79,631)	(836,740)
Accumulated at ending	734,676	814,307
Remeasurement of Post-Employment Benefit Obligations
Accumulated at beginning	(763,835)	(665,739)
Remeasurement of post-employment benefit obligations of assets held for sale	(1,721)
Changes in other comprehensive income	(244,576)	(98,096)
Accumulated at ending	(1,010,132)	(763,835)
Derivative Financial Instruments Cash Flow Hedges
Accumulated at beginning	976,549	802,017
Changes in other comprehensive income	(1,521,912)	174,532
Accumulated at ending	(545,363)	976,549
Share of Income (Loss) of Associates and Joint Ventures
Accumulated at beginning	160,744	208,057
Changes in other comprehensive income	(236,159)	(47,313)
Accumulated at ending	(75,415)	160,744
Income Tax
Accumulated at beginning	(552,946)	(534,229)
Partial disposition of Open Ended Fund	348,610
Remeasurement of post-employment benefit obligations of assets held for sale	516
Changes in other comprehensive income	702,376	336,111
Accumulated at ending	$ 498,556	(552,946)
Adoption of IFRS 9 - New classification of Financial Instruments \| Accumulated Other Comprehensive Income
Cumulative adjustment for IFRS		827,932
Adoption of IFRS 9 - New classification of Financial Instruments \| Other Equity Instruments
Cumulative adjustment for IFRS		1,182,760
Adoption of IFRS 9 - New classification of Financial Instruments \| Income Tax
Cumulative adjustment for IFRS		$ (354,828)

The amount of accumulated items of income and expense (including reclassification adjustments) that are not recognised in profit or loss as required or permitted by other IFRSs. [Refer: IFRSs [member]; Other comprehensive income]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_AccumulatedOtherComprehensiveIncome
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of post-employment benefit expense relating to defined contribution plans. Defined contribution plans are post-employment benefit plans under which an entity pays fixed contributions into a separate entity (a fund) and will have no legal or constructive obligation to pay further contributions if the fund does not hold sufficient assets to pay all employee benefits relating to employee service in the current and prior periods.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2019-01-01
-Paragraph 53
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2019-en-r&anchor=para_53&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The increase (decrease) in other comprehensive income before reclassifications.

+ References

No definition available.

+ Details

Name:	tv_IncreaseDecreaseOtherComprehensiveIncomeBeforeReclassifications
Namespace Prefix:	tv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The increase (decrease) in partial disposition of open ended fund.

+ References

No definition available.

+ Details

Name:	tv_IncreaseDecreasePartialDispositionOfOpenEndedFund
Namespace Prefix:	tv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The increase (decrease) in equity resulting from changes that the entity does not separately disclose in the same statement or note.

+ References

No definition available.

+ Details

Name:	tv_IncreaseDecreaseThroughChangesInAdoptionOfIfrs
Namespace Prefix:	tv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=ifrs-full_AccumulatedOtherComprehensiveIncomeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=tv_OpenEndedFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=tv_OtherFinancialAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=tv_OtherEquityInstrumentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=tv_ReserveOfWarrantsIssuedByUnivisionHoldingsInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=ifrs-full_ReserveOfRemeasurementsOfDefinedBenefitPlansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=ifrs-full_ReserveOfCashFlowHedgesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=tv_ReserveOfAssociatesAndJointVenturesAccountedForUsingEquityMethodMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=tv_ReservesForIncomeTaxMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis=tv_NewClassificationOfFinancialInstrumentsDueToApplicationOfIfrs9Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: