Name:	ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The entity's share of the profit (loss) of associates accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method; Profit (loss)]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 85
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_85&doctype=Standard
-URIDate 2020-01-01

Name:	ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of current assets held for sale.

No definition available.

Name:	tv_CurrentAssetsHeldForSale
Namespace Prefix:	tv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount of current investments held for sale.

No definition available.

Name:	tv_CurrentValueOfInvestmentsHeldForSale
Namespace Prefix:	tv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount of cash consideration received for the disposal of assets and liabilities.

No definition available.

Name:	tv_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleCashReceived
Namespace Prefix:	tv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The proportion of sale of ownership interest in an associate attributable to the entity.

No definition available.