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DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS - Subsidiaries (Details)			12 Months Ended
	Apr. 04, 2018	Apr. 03, 2018	Dec. 31, 2018
Pem
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS
Acquisition percentage	30.00%
Nucleo
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS
Percentage of direct/indirect interest in capital stock and votes			67.50%
Personal Envios
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS
Percentage of direct/indirect interest in capital stock and votes			67.50%
Tuves Paraguay
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS
Percentage of direct/indirect interest in capital stock and votes			67.50%
Micro Sistemas
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS
Percentage of direct/indirect interest in capital stock and votes			100.00%
Pem
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS
Percentage of direct/indirect interest in capital stock and votes		70.00%	100.00%
CV Berazategui
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS
Percentage of direct/indirect interest in capital stock and votes	70.00%		100.00%
Acquisition percentage	30.00%
Cable Imagen
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS
Percentage of direct/indirect interest in capital stock and votes			100.00%
Television Dirigida
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS
Percentage of direct/indirect interest in capital stock and votes			100.00%
Adesol
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS
Percentage of direct/indirect interest in capital stock and votes			100.00%
Ultima Milla
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS
Percentage of direct/indirect interest in capital stock and votes			100.00%
AVC Continente Audiovisual
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS
Percentage of direct/indirect interest in capital stock and votes			60.00%
Inter Radios
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS
Percentage of direct/indirect interest in capital stock and votes			100.00%
Telecom USA
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS
Percentage of direct/indirect interest in capital stock and votes			100.00%

X

- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2018-01-01
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-Subparagraph c
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- Definition

The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2018-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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