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REGULATORY FRAMEWORK (Details)		1 Months Ended		12 Months Ended
	May 31, 2016	Dec. 31, 2014	Nov. 30, 2014	Dec. 31, 2017
ICT Services
Regulatory framework
Contribution to SU Fund, percentage	1.00%
Personal | SCMA license agreement
Regulatory framework
Term of the license agreement			15 years
Nucleo | License agreement for STM and PCS
Regulatory framework
Term of the license agreement				5 years
Nucleo | License agreement for installation and provision of Internet and Data
Regulatory framework
Term of the license agreement				5 years
Tuves Paraguay | License agreement for telecommunication services, distribution of digital audio and television signals
Regulatory framework
Term of the license agreement				5 years
Telecom Argentina
Regulatory framework
Minimum threshold obligation for non-revocability of license agreement, Notice period for transfer of shares				30 days
Telecom Argentina | ICT Services
Regulatory framework
Contribution to SU Fund, percentage		1.00%
Telecom Argentina | Personal | ICT Services
Regulatory framework
Contribution to SU Fund, percentage		1.00%

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- Definition

The percentage of total accrued revenues licensees are required to contribute to the SU Fund.

+ References

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- Definition

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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- Definition

Represents the minimum period to provide notice on transfer of shares resulting in a direct or indirect loss of control in the subsidiary, to not revoke the license agreement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

+ References

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- Definition

Represents the term of the license agreement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

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- Details

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