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

The nominal value of capital issued.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Note Effective 2027-01-01
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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The number of shares authorised.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
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Name:	ifrs-full_NumberOfSharesAuthorised
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
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-URIDate 2025-03-27

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-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a_iv&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_NumberOfSharesOutstanding
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The nominal value per share.

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-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
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-URIDate 2025-03-27

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-URIDate 2025-03-27

Name:	ifrs-full_ParValuePerShare
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:perShareItemType
Balance Type:	na
Period Type:	instant

The value of authorized capital of the entity.

No definition available.

Name:	tv_AuthorizedCapital
Namespace Prefix:	tv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of equity distribution to discontinued operations segment.

No definition available.

Name:	tv_DecreaseThroughDistributionToDiscontinuedOperationsEquity
Namespace Prefix:	tv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of nominal equity value distribution to discontinued operations segment.

No definition available.

Name:	tv_DecreaseThroughDistributionToDiscontinuedOperationsEquityNominal
Namespace Prefix:	tv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The number of classes of capital stock.

No definition available.

Name:	tv_NumberOfClassesOfCapitalStock
Namespace Prefix:	tv_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The number of Ordinary Participation Certificates (CPOs) in each Global Depositary Share (GDS).

No definition available.

Name:	tv_NumberOfOrdinaryParticipationCertificatesRepresentedByEachGlobalDepositary
Namespace Prefix:	tv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of shares held by trust.

No definition available.

Name:	tv_NumberOfSharesHeldByTrust
Namespace Prefix:	tv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of authorized and issued shares in the form of Ordinary Participation Certificates (CPOs).

No definition available.

Name:	tv_NumberOfSharesInFormOfOrdinaryParticipationCertificatesAuthorizedAndIssued
Namespace Prefix:	tv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of shares held by trust in the form of Ordinary Participation Certificates (CPOs).

No definition available.

Name:	tv_NumberOfSharesInFormOfOrdinaryParticipationCertificatesHeldByTrust
Namespace Prefix:	tv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of outstanding shares in the form of Ordinary Participation Certificates (CPOs).

No definition available.

Name:	tv_NumberOfSharesInFormOfOrdinaryParticipationCertificatesOutstanding
Namespace Prefix:	tv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of authorized shares not in the form of Ordinary Participation Certificates (CPOs).

No definition available.

Name:	tv_NumberOfSharesNotInFormOfOrdinaryParticipationCertificatesAuthorized
Namespace Prefix:	tv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of shares held by trust not in the form of Ordinary Participation Certificates (CPOs).

No definition available.

Name:	tv_NumberOfSharesNotInFormOfOrdinaryParticipationCertificatesHeldByTrust
Namespace Prefix:	tv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of outstanding shares not in the form of Ordinary Participation Certificates (CPOs).

No definition available.

Name:	tv_NumberOfSharesNotInFormOfOrdinaryParticipationCertificatesOutstanding
Namespace Prefix:	tv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of shares in each Ordinary Participation Certificate (CPO).

No definition available.

Name:	tv_NumberOfSharesRepresentedByEachOrdinaryParticipationCertificate
Namespace Prefix:	tv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of shares repurchased by the company.

No definition available.

Name:	tv_NumberOfSharesRepurchased
Namespace Prefix:	tv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of shares repurchased in the form of Ordinary Participation Certificates (CPOs).

No definition available.

Name:	tv_NumberOfSharesRepurchasedInFormOfOrdinaryParticipationCertificates
Namespace Prefix:	tv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of shares repurchased, not in the form of Ordinary Participation Certificates (CPOs).

No definition available.

Name:	tv_NumberOfSharesRepurchasedNotInFormOfOrdinaryParticipationCertificates
Namespace Prefix:	tv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The cash outflow to reacquire common stock during the period under a share repurchases program.

No definition available.

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

Name:	ifrs-full_ClassesOfOrdinarySharesAxis=tv_SeriesSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfOrdinarySharesAxis=tv_SeriesBSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfOrdinarySharesAxis=tv_OrdinaryParticipationCertificatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfShareCapitalAxis=tv_SeriesDSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfShareCapitalAxis=tv_SeriesLSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: