The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_7&doctype=Standard
-URIDate 2017-03-09

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- Definition

The interest rate on borrowings. [Refer: Borrowings]

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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

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard
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- Definition

The number of debt instrument payments.

+ References

No definition available.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The amount of minimum capital and/or interests commitments of financial debt to default.

+ References

No definition available.

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- Definition

The amount of minimum defaulted commitments of financial debt to final court sentence dictamination (including seizure, executions of property, and similar court decisions).

+ References

No definition available.

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- Definition

Percentage of capital settled at maturity date.

+ References

No definition available.

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Financial debt - Global Programs for the issuance of Notes (Details)	Nov. 16, 2016 USD ($) payment	Dec. 10, 2015 ARS ($) payment	Dec. 15, 2011 USD ($)	Dec. 02, 2010 USD ($)	Dec. 31, 2017 USD ($)	Dec. 28, 2017 USD ($)	Nov. 16, 2016 ARS ($) payment	May 26, 2016 USD ($)
Term Notes \| Minimum
Financial Debt
Minimum payable amount to default					$ 20,000,000
Minimum defaulted amount to final court sentence dictamination					$ 20,000,000
Telecom Argentina \| Term Notes
Financial Debt
Amortization term			5 years
Telecom Argentina \| Term Notes \| Maximum
Financial Debt
Principal amount			$ 500,000,000			$ 3,000,000,000
Personal \| Term Notes
Financial Debt
Amortization term				5 years
Personal \| Term Notes \| Maximum
Financial Debt
Principal amount				$ 500,000,000				$ 1,000,000,000
Personal \| Series II
Financial Debt
Principal amount		$ 149,000,000
Amortization term		36 months
Number of debt payments \| payment		1
Percentage of capital settled		100.00%
Personal \| Series II \| Fixed interest rate \| Until ninth month
Financial Debt
Borrowing interest rate		28.75%
Personal \| Series II \| Floating interest rate \| After ninth month
Financial Debt
Floating interest rate		4.00%
Personal \| Series III
Financial Debt
Principal amount							$ 721,969,404
Amortization term	18 months
Number of debt payments \| payment	1						1
Percentage of capital settled	100.00%						100.00%
Personal \| Series III \| Floating interest rate
Financial Debt
Floating interest rate	2.90%						2.90%
Personal \| Series IV
Financial Debt
Principal amount	$ 77,900,400						$ 1,207,000,000
Amortization term	24 months
Number of debt payments \| payment	1						1
Percentage of capital settled	100.00%						100.00%
Personal \| Series IV \| Fixed interest rate
Financial Debt
Borrowing interest rate	4.85%						4.85%