XML 83 R72.htm IDEA: XBRL DOCUMENT v3.21.1
REGULATORY FRAMEWORK - Spectrum (Details)
12 Months Ended
Apr. 07, 2016
claim
Dec. 31, 2020
item
Regulatory framework    
Usage period of the auctioned frequency bands   15 years
Number of licensees for subscription television services | item   2
Adesol    
Regulatory framework    
Term of the license agreement   15 years
Number of unconstitutionality claims | claim 28