Accounting Estimates and Assumptions (Details) - item	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Accounting Estimates and Assumptions
Number of CGU	2	5

Number of Cash Generating Units (CGUs) having impairment adjustments.

No definition available.

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