Non-controlling Interests - Cash Flows (Details) - MXN ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Consolidated subsidiaries information
Cash flows from operating activities	$ 27,269,084	$ 33,714,496	$ 25,099,736
Cash flows from investing activities	(17,005,077)	(23,898,235)	(17,331,085)
Cash flows from financing activities	(14,301,896)	(16,504,914)	(16,469,338)
Net decrease in cash and cash equivalents	(4,098,338)	(6,666,658)	$ (8,811,134)
Empresas Cablevision
Consolidated subsidiaries information
Cash flows from operating activities	3,756,935	4,390,549
Cash flows from investing activities	(3,301,043)	(3,423,332)
Cash flows from financing activities	(1,855,636)	(472,995)
Net decrease in cash and cash equivalents	(1,399,744)	494,222
Sky
Consolidated subsidiaries information
Cash flows from operating activities	8,118,541	9,122,533
Cash flows from investing activities	(4,006,732)	(3,827,245)
Cash flows from financing activities	(5,172,976)	(3,962,763)
Net decrease in cash and cash equivalents	$ (1,061,167)	$ 1,332,525

The cash flows from (used in) financing activities, which are activities that result in changes in the size and composition of the contributed equity and borrowings of the entity.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 7
-IssueDate 2019-01-01
-Paragraph 10
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_10&doctype=Standard
-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 7
-IssueDate 2019-01-01
-Paragraph 50
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_50_d&doctype=Standard
-URIDate 2019-03-27

+ Details

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

- Definition

The cash flows from (used in) investing activities, which are the acquisition and disposal of long-term assets and other investments not included in cash equivalents.

+ References

+ Details

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

- Definition

The cash flows from (used in) operating activities, which are the principal revenue-producing activities of the entity and other activities that are not investing or financing activities. [Refer: Revenue]

+ References

+ Details

Name:	ifrs-full_CashFlowsFromUsedInOperatingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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

- Definition

The increase (decrease) in cash and cash equivalents. [Refer: Cash and cash equivalents]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 7
-IssueDate 2019-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_45&doctype=Standard
-URIDate 2019-03-27

+ Details

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

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=tv_EmpresasCablevisionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=tv_SkyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: