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Trade Notes and Accounts Receivable, Net - Doubtful Accounts (Details) - MXN ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Trade Notes and Accounts Receivable, Net
Beginning Balance	$ (4,379,316)	$ (3,657,079)
Impairment provision	(1,549,801)	(1,402,555)
Initial adoption of IFRS 9		(281,594)
Write-off of receivables	996,185	961,912
Reclassification to current assets to held for sale	86,289
Ending Balance	$ (4,846,643)	$ (4,379,316)

X

- Definition

The amount of current assets other than non-current assets or disposal groups classified as held for sale or as held for distribution to owners. [Refer: Current assets; Disposal groups classified as held for sale [member]; Non-current assets or disposal groups classified as held for sale; Non-current assets or disposal groups classified as held for distribution to owners]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 66
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_66&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of impairment loss recognised in profit or loss for trade receivables. [Refer: Impairment loss recognised in profit or loss; Trade receivables]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2019-03-27

+ Details

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

X

- References

No definition available.

+ Details

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

X

- Definition

For an unclassified balance sheet, a valuation allowance for receivables of trade and accounts receivable.

+ References

No definition available.

+ Details

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

X

- Definition

This amount represents increase decrease during adoption of IFRS 9.

+ References

No definition available.

+ Details

Name:	tv_IncreaseDecreaseThroughChangesInAdoptionOfIfrs9
Namespace Prefix:	tv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of direct write off of trade receivable.

+ References

No definition available.

+ Details

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