SIGNIFICANT ACCOUNTING POLICIES - Interests in Joint Operations (Details) - UTE Ertach - Cablevision		12 Months Ended
Apr. 26, 2019	Dec. 31, 2020
Interests in Joint Operations
Ownership interest in joint venture (in percentage)		50.00%
Extension period for agreement	6 months
Period that could be extended the UTE agreement since the signing of the new agreement with the next suppliers		18 months

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.

No definition available.

+ Details

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- Definition

The proportion of ownership interest in a joint operation attributable to the entity. [Refer: Joint operations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2020-01-01
-Paragraph 21
-Subparagraph a
-Clause iv
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_21_a_iv&doctype=Standard
-URIDate 2020-01-01

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- Definition

The bid term of data transmission services for the Single Provincial Data Communication Network.

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No definition available.

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- Definition

Extension period for agreement under joint operations arrangement.

+ References

No definition available.

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- Details

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