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DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS - Subsidiaries (Details) |  | 12 Months Ended |  |
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Jul. 15, 2020 | Dec. 31, 2021 | Oct. 27, 2021 | Sep. 04, 2019
TMF Trust |  |  |  |
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS |  |  |  |
Percentage of direct/indirect interest in capital stock and votes | 100.00% |  |  |
Telemas S.A |  |  |  |
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 |  |  |  |
Acquisition percentage |  |  | 40.00% |
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% |  |
Acquisition percentage |  |  |  | 30.00%
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 |  | 100.00% |  |
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% |  |
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 |  | 100.00% |  |
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% |  |
Personal Smarthome |  |  |  |
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS |  |  |  |
Percentage of direct/indirect interest in capital stock and votes |  | 100.00% |  |
Opalker S.A. |  |  |  |
DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS |  |  |  |
Percentage of direct/indirect interest in capital stock and votes |  | 100.00% |  |

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