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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