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

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Subsidiaries [member]; Non-controlling interests]

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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.

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No definition available.

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Description of business and basis of preparation of the consolidated financial statements - Subsidiaries (Details)	11 Months Ended	12 Months Ended
	Nov. 30, 2017	Dec. 31, 2017	Jun. 30, 2017
Telecom USA
Description of business and basis of preparation of the consolidated financial statements
Percentage of capital stock owned and voting rights		100.00%
Micro Sistemas
Description of business and basis of preparation of the consolidated financial statements
Percentage of capital stock owned and voting rights		100.00%
Personal
Description of business and basis of preparation of the consolidated financial statements
Percentage of capital stock owned and voting rights	100.00%
Nucleo
Description of business and basis of preparation of the consolidated financial statements
Percentage of capital stock owned and voting rights		67.50%
Percentage of ownership interest held by a noncontrolling interest		32.50%
Nucleo \| Tuves Paraguay
Description of business and basis of preparation of the consolidated financial statements
Acquisition percentage			70.00%
Personal Envios
Description of business and basis of preparation of the consolidated financial statements
Percentage of capital stock owned and voting rights		67.50%
Percentage of ownership interest held by a noncontrolling interest		32.50%
Tuves Paraguay
Description of business and basis of preparation of the consolidated financial statements
Percentage of capital stock owned and voting rights		47.25%
Tuves Paraguay \| ABC Telecomunicaciones
Description of business and basis of preparation of the consolidated financial statements
Percentage of ownership interest held by a noncontrolling interest		22.75%
Tuves Paraguay \| TU VES S.A. (Chile)
Description of business and basis of preparation of the consolidated financial statements
Percentage of ownership interest held by a noncontrolling interest		30.00%