TELECOM ARGENTINA SA (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 00090 - Document - Document and Entity Information Network

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 http://www.telecom.com.ar/role/DocumentDocumentAndEntityInformation
2 Statement [Table] Table

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 us-gaap:StatementTable
3 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
4 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
5 Class "A" Member teo:ClassOrdinarySharesMember
6 Class "B" Member teo:ClassBOrdinarySharesMember
7 Class "C" Member teo:ClassCOrdinarySharesMember
8 Class "D" Member teo:ClassDOrdinarySharesMember
9 Statement [Line Items] LineItems us-gaap:StatementLineItems
10 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
11 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
12 Document Type Concept (Submission Type) For Period dei:DocumentType
13 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
14 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
15 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
16 Entity Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
17 Entity Voluntary Filers Concept (Yes/No) For Period dei:EntityVoluntaryFilers
18 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
19 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
20 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
21 Entity Shell Company Concept (Yes/No) For Period dei:EntityShellCompany
22 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
23 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
24 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
25 00100 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL POSITION Network

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 http://www.telecom.com.ar/role/StatementConsolidatedStatementsOfFinancialPosition
26 Implied Table Table

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27 CONSOLIDATED STATEMENTS OF FINANCIAL POSITION Abstract ifrs-full:StatementOfFinancialPositionAbstract
28 ASSETS Abstract ifrs-full:AssetsAbstract
29 Current Assets Abstract ifrs-full:CurrentAssetsAbstract
30 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
31 Investments Concept (Monetary) As Of Debit ifrs-full:CurrentInvestments
32 Trade receivables Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
33 Other receivables Concept (Monetary) As Of Debit ifrs-full:OtherCurrentReceivables
34 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
35 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
36 Non-Current Assets Abstract ifrs-full:NoncurrentAssetsAbstract
37 Trade receivables Concept (Monetary) As Of Debit ifrs-full:NoncurrentTradeReceivables
38 Other receivables Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentReceivables
39 Deferred income tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
40 Investments Concept (Monetary) As Of Debit ifrs-full:NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
41 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
42 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
43 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
44 Total non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
45 TOTAL ASSETS Concept (Monetary) As Of Debit ifrs-full:Assets
46 LIABILITIES Abstract ifrs-full:LiabilitiesAbstract
47 Current Liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
48 Trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
49 Financial debt Concept (Monetary) As Of Credit ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
50 Salaries and social security payables Concept (Monetary) As Of Credit teo:CurrentPayablesOnSalariesAndSocialSecurity
51 Taxes payables Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesCurrent
52 Dividends payables Concept (Monetary) As Of Credit teo:DividendPayableCurrent
53 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentLiabilities
54 Provisions Concept (Monetary) As Of Credit ifrs-full:OtherShorttermProvisions
55 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
56 Non-Current Liabilities Abstract ifrs-full:NoncurrentLiabilitiesAbstract
57 Trade payables Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayablesToTradeSuppliers
58 Financial debt Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
59 Salaries and social security payables Concept (Monetary) As Of Credit teo:NonCurrentPayablesOnSalariesAndSocialSecurity
60 Deferred income tax liabilities Concept (Monetary) As Of Credit ifrs-full:NetDeferredTaxLiabilities
61 Taxes payables Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesNoncurrent
62 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
63 Provisions Concept (Monetary) As Of Credit ifrs-full:OtherLongtermProvisions
64 Total non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
65 TOTAL LIABILITIES Concept (Monetary) As Of Credit ifrs-full:Liabilities
66 EQUITY Abstract ifrs-full:EquityAbstract
67 Equity attributable to Controlling Company Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
68 Equity attributable to non-controlling interest Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
69 TOTAL EQUITY (See Consolidated Statements of Changes in Equity) Concept (Monetary) As Of Credit ifrs-full:Equity
70 TOTAL LIABILITIES AND EQUITY Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
71 00200 - Statement - CONSOLIDATED INCOME STATEMENTS Network

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72 Implied Table Table

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73 CONSOLIDATED INCOME STATEMENTS Abstract ifrs-full:IncomeStatementAbstract
74 Revenues Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
75 Employee benefit expenses and severance payments Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
76 Interconnection and transmission costs Concept (Monetary) For Period Debit ifrs-full:CommunicationExpense
77 Fees for services, maintenance, materials and supplies Concept (Monetary) For Period Debit teo:FeesForServicesMaintenanceMaterialsAndSuppliesExpense
78 Taxes and fees with the Regulatory Authority Concept (Monetary) For Period Debit ifrs-full:TaxExpenseOtherThanIncomeTaxExpense
79 Commissions and advertising Concept (Monetary) For Period Debit teo:CommissionsAndAdvertisingExpenses
80 Cost of equipment and handsets Concept (Monetary) For Period Debit ifrs-full:CostOfMerchandiseSold
81 Programming and content costs Concept (Monetary) For Period Debit teo:ProgrammingAndContentCosts
82 Bad debt expenses Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLossTradeReceivables
83 Other operating income and expenses Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
84 Depreciation, amortization and impairment of PP&E and Intangible assets Concept (Monetary) For Period Debit ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
85 Operating income Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
86 Earnings from associates Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
87 Debt financial expenses Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
88 Other financial results, net Concept (Monetary) For Period Credit teo:OtherFinanceIncomeCostNet
89 Income before income tax benefit (expense) Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
90 Income tax benefit (expense) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
91 Net income for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
92 Attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
93 Controlling Company Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
94 Non-controlling interest Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
95 Earnings per share attributable to Controlling Company Abstract ifrs-full:BasicAndDilutedEarningsPerShareAbstract
96 Basic and diluted (in dollars per share) Concept (Share) For Period ifrs-full:BasicAndDilutedEarningsLossPerShare
97 00300 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Network

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98 Implied Table Table

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99 CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
100 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
101 Other components of the Statements of Comprehensive Income Abstract ifrs-full:OtherComprehensiveIncomeAbstract
102 Items will be reclassified subsequently to profit or loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
103 Currency translation adjustments (no effect on Income Tax) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
104 NDF effects classified as hedges Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxCashFlowHedges
105 Income Tax effects on NDF classified as hedges Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome
106 Items will not be reclassified subsequently to profit or loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
107 Actuarial results Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
108 Tax effect Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome
109 Other components of the comprehensive income (loss), net of tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
110 Total comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
111 Attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
112 Controlling Company Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
113 Non-controlling interest Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
114 00305 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) Network

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115 Implied Table Table

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116 CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
117 Currency translation adjustments, tax effect Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome
118 00400 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Network

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119 Statement of changes in equity [table] Table

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 ifrs-full:StatementOfChangesInEquityTable
120 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
121 Equity [member] Member ifrs-full:EquityMember
122 Equity attributable to Controlling Company Member ifrs-full:EquityAttributableToOwnersOfParentMember
123 Outstanding shares, Capital nominal value Member teo:OutstandingSharesCapitalNominalValueMember
124 Outstanding shares, Inflation adjustment Member teo:OutstandingSharesInflationAdjustmentMember
125 Treasury shares, Capital nominal value Member teo:TreasurySharesCapitalNominalValueMember
126 Treasury shares, Inflation adjustment Member teo:TreasurySharesInflationAdjustmentMember
127 Treasury shares acquisition cost Member ifrs-full:TreasurySharesMember
128 Contributed Surplus Member ifrs-full:AdditionalPaidinCapitalMember
129 Legal reserve Member ifrs-full:StatutoryReserveMember
130 Special reserve for IFRS implementation Member teo:SpecialReserveForIfrsImplementationMember
131 Voluntary reserve for capital investments Member teo:VoluntaryReserveForCapitalInvestmentsMember
132 Facultative Member teo:FacultativeReserveMember
133 Voluntary reserve for future dividends payments Member teo:VoluntaryReserveForFutureDividendsPaymentsMember
134 Other comprehensive results Member ifrs-full:AccumulatedOtherComprehensiveIncomeMember
135 Other deferred Member teo:OtherDeferredReserveMember
136 Retained earnings Member ifrs-full:RetainedEarningsMember
137 Equity attributable to non-controlling interest Member ifrs-full:NoncontrollingInterestsMember
138 CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY LineItems ifrs-full:StatementOfChangesInEquityLineItems
139 Balance at the beginning of the year Concept (Monetary) As Of Credit ifrs-full:Equity
140 Capital reduction Concept (Monetary) For Period Debit ifrs-full:ReductionOfIssuedCapital
141 Facultative reserve constitution Concept (Monetary) For Period Credit teo:IncreaseDecreaseThroughFacultativeReserveConstitutionEquity
142 Legal and facultative reserve Concept (Monetary) For Period Credit teo:IncreaseDecreaseThroughLegalAndFacultativeReservesEquity
143 Incorporation of the Net Equity of the acquiree (Note 1.a) Concept (Monetary) For Period Credit teo:IncreaseDecreaseThroughIncorporationOfNetEquityOfAcquireeEquity
144 Retained earnings adjustment (Note 3.u and 3.v.) Concept (Monetary) For Period Credit teo:AdjustmentRelatingToEffectOfAdoptionOfNewIfrsAccountingPrinciples
145 Merger effect (Note 1.a) Concept (Monetary) For Period Credit teo:IncreaseDecreaseThroughMergerEffectEquity
146 Call option reserve Concept (Monetary) For Period Debit teo:DecreaseThroughCallOptionReserveOfNonControllingInterestEquity
147 Dividends Concept (Monetary) For Period Debit ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParent
148 Surplus capitalization Concept (Monetary) For Period Credit teo:IncreaseDecreaseThroughSurplusCapitalizationEquity
149 Facultative reserve partial reversal Concept (Monetary) For Period Credit teo:IncreaseDecreaseThroughFacultativeReservePartialReversalForCapitalizationEquity
150 Facultative reserve partial reversal Concept (Monetary) For Period Debit teo:DecreaseThroughFacultativeReservePartialReversalForFutureDividendsPaymentEquity
151 Share on reserve of Controlled companies Concept (Monetary) For Period Credit teo:IncreaseDecreaseThroughShareOnReserveOfControlledCompaniesEquity
152 Increase in CV Berazategui shareholding (Note 3.d.6) Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
153 Comprehensive income: Abstract ifrs-full:ComprehensiveIncomeAbstract
154 Net income for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
155 Other comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
156 Total comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
157 Balance at the end of the year Concept (Monetary) As Of Credit ifrs-full:Equity
158 00405 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) Network

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 http://www.telecom.com.ar/role/StatementConsolidatedStatementsOfChangesInEquityParenthetical
159 Statement of changes in equity [table] Table

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 ifrs-full:StatementOfChangesInEquityTable
160 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
161 Equity [member] Member ifrs-full:EquityMember
162 Treasury shares, Capital nominal value Member teo:TreasurySharesCapitalNominalValueMember
163 CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY LineItems ifrs-full:StatementOfChangesInEquityLineItems
164 Shares issued and fully paid Concept (Shares) As Of ifrs-full:NumberOfSharesIssuedAndFullyPaid
165 Nominal value (in pesos per share) Concept (Share) As Of ifrs-full:ParValuePerShare
166 Treasury shares (in shares) Concept (Shares) As Of ifrs-full:SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates
167 Treasury shares acquisition cost Concept (Monetary) As Of Debit ifrs-full:TreasuryShares
168 Percentage of treasury shares to total capital Concept (Percent) As Of teo:PercentageOfTreasurySharesHeld
169 Dividends Concept (Monetary) For Period Debit ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParent
170 00500 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Network

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171 Implied Table Table

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172 CONSOLIDATED STATEMENTS OF CASH FLOWS Abstract ifrs-full:StatementOfCashFlowsAbstract
173 CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
174 Net income for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
175 Adjustments to reconcile net income to net cash flows provided by operating activities Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
176 Allowances deducted from assets and provisions Concept (Monetary) For Period Debit teo:AdjustmentsForAllowancesDeductedFromAssetsAndProvisions
177 Depreciation of property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationExpense
178 Amortization of intangible assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForAmortisationExpense
179 Earnings from associates Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForUndistributedProfitsOfAssociates
180 Impairment of PP&E and Intangible assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
181 Disposals of PP&E and consumption of materials Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets
182 Financial results and others Concept (Monetary) For Period Debit teo:AdjustmentsForFinancialResultsAndOthers
183 Income tax (benefit) expense Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncomeTaxExpense
184 Income tax paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidClassifiedAsOperatingActivities
185 Net (increase) decrease in assets Concept (Monetary) For Period Debit teo:AdjustmentsForNetDecreaseIncreaseInAssets
186 Net increase (decrease) in liabilities Concept (Monetary) For Period Debit teo:AdjustmentsForNetIncreaseDecreaseInLiabilities
187 Total cash flows provided by operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
188 CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
189 Property, plant and equipment acquisitions Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
190 Intangible asset acquisitions Concept (Monetary) For Period Credit teo:PurchaseOfIntangibleAssetsLicensesClassifiedAsInvestingActivities
191 Acquisition in shareholdings Concept (Monetary) For Period Credit ifrs-full:OtherCashPaymentsToAcquireEquityOrDebtInstrumentsOfOtherEntitiesClassifiedAsInvestingActivities
192 Proceeds from dividends Concept (Monetary) For Period Debit ifrs-full:DividendsReceivedClassifiedAsInvestingActivities
193 Cash incorporated by the merger Concept (Monetary) For Period Debit teo:ProceedsFromMergerTransactions
194 Proceeds from the sale of property, plant and equipment and intangible assets Concept (Monetary) For Period Debit teo:ProceedsFromSalesOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities
195 Investments not considered as cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments
196 Total cash flows used in investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
197 CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
198 Proceeds from financial debt Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
199 Payment of financial debt Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
200 Payment of interests and related expenses Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsFinancingActivities
201 Payment of cash dividends Concept (Monetary) For Period Credit ifrs-full:DividendsPaidClassifiedAsFinancingActivities
202 Total cash flows used in financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
203 NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
204 CASH AND CASH EQUIVALENTS AT THE BEGINNING OF THE YEAR Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
205 NET FOREIGN EXCHANGE DIFFERENCES AND RECPAM ON CASH AND CASH EQUIVALENTS Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
206 CASH AND CASH EQUIVALENTS AT THE END OF THE YEAR Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
207 10101 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS Network

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208 Implied Table Table

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209 DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS Abstract teo:DisclosureOfDescriptionOfBusinessAndBasisOfPreparationOfFinancialStatementsAbstract
210 DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS Concept (Text Block (HTML)) For Period teo:DisclosureOfDescriptionOfBusinessAndBasisOfPreparationOfFinancialStatementsTextBlock
211 10201 - Disclosure - REGULATORY FRAMEWORK Network

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212 Implied Table Table

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213 REGULATORY FRAMEWORK Abstract teo:DisclosureOnRegulatoryFrameworkAbstract
214 REGULATORY FRAMEWORK Concept (Text Block (HTML)) For Period teo:DisclosureOnRegulatoryFrameworkTextBlock
215 10301 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES Network

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216 Implied Table Table

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217 SIGNIFICANT ACCOUNTING POLICIES Abstract teo:SummaryOfSignificantAccountingPoliciesAbstract
218 SIGNIFICANT ACCOUNTING POLICIES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
219 10401 - Disclosure - ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES Network

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220 Implied Table Table

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221 Merger Information Abstract ifrs-full:DisclosureOfBusinessCombinationsAbstract
222 ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBusinessCombinationsExplanatory
223 10501 - Disclosure - CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS Network

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224 Implied Table Table

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225 CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS Abstract teo:CashCashEquivalentsAndInvestmentsAndAdditionalInformationOnStatementOfCashFlowsAbstract
226 CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS Concept (Text Block (HTML)) For Period teo:DisclosureOfCashCashEquivalentsAndInvestmentsAndAdditionalInformationOnStatementOfCashFlowsTextBlock
227 10601 - Disclosure - TRADE RECEIVABLES Network

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228 Implied Table Table

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229 TRADE RECEIVABLES Abstract teo:TradeReceivablesAbstract
230 TRADE RECEIVABLES Concept (Text Block (HTML)) For Period teo:DisclosureOfTradeReceivablesTextBlock
231 10701 - Disclosure - OTHER RECEIVABLES Network

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232 Implied Table Table

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233 OTHER RECEIVABLES Abstract teo:OtherReceivablesAbstract
234 OTHER RECEIVABLES Concept (Text Block (HTML)) For Period teo:DisclosureOfOtherReceivablesTextBlock
235 10801 - Disclosure - INVENTORIES Network

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236 Implied Table Table

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237 INVENTORIES Abstract ifrs-full:ClassesOfInventoriesAbstract
238 INVENTORIES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInventoriesExplanatory
239 10901 - Disclosure - GOODWILL Network

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240 Implied Table Table

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241 GOODWILL Abstract ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillAbstract
242 GOODWILL Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillExplanatory
243 11001 - Disclosure - PROPERTY, PLANT AND EQUIPMENT Network

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244 Implied Table Table

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245 PROPERTY, PLANT AND EQUIPMENT Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
246 PROPERTY, PLANT AND EQUIPMENT Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
247 11101 - Disclosure - INTANGIBLE ASSETS Network

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248 Implied Table Table

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249 INTANGIBLE ASSETS Abstract ifrs-full:DisclosureOfIntangibleAssetsAbstract
250 INTANGIBLE ASSETS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsExplanatory
251 11201 - Disclosure - TRADE PAYABLES Network

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252 Implied Table Table

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253 TRADE PAYABLES Abstract ifrs-full:TradeAndOtherPayablesAbstract
254 TRADE PAYABLES Concept (Text Block (HTML)) For Period teo:DisclosureOfTradePayablesTextBlock
255 11301 - Disclosure - FINANCIAL DEBT Network

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256 Implied Table Table

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257 FINANCIAL DEBT Abstract ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
258 FINANCIAL DEBT Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBorrowingsExplanatory
259 11401 - Disclosure - SALARIES AND SOCIAL SECURITY PAYABLES Network

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260 Implied Table Table

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261 SALARIES AND SOCIAL SECURITY PAYABLES Abstract ifrs-full:ClassesOfEmployeeBenefitsExpenseAbstract
262 SALARIES AND SOCIAL SECURITY PAYABLES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
263 11501 - Disclosure - DEFERRED INCOME TAX ASSETS/LIABILITIES Network

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264 Implied Table Table

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265 DEFERRED INCOME TAX ASSETS/LIABILITIES Abstract ifrs-full:DeferredTaxAssetsAndLiabilitiesAbstract
266 DEFERRED INCOME TAX ASSETS/LIABILITIES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
267 11601 - Disclosure - TAXES PAYABLES Network

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268 Implied Table Table

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269 TAXES PAYABLES Abstract teo:TaxesPayableAbstract
270 TAXES PAYABLES Concept (Text Block (HTML)) For Period teo:DisclosureOfTaxesPayableTextblock
271 11701 - Disclosure - OTHER LIABILITIES Network

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272 Implied Table Table

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273 OTHER LIABILITIES Abstract teo:IfrsOtherLiabilitiesAbstract
274 OTHER LIABILITIES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherLiabilitiesExplanatory
275 11801 - Disclosure - PROVISIONS Network

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276 Implied Table Table

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277 PROVISIONS Abstract ifrs-full:DisclosureOfOtherProvisionsAbstract
278 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfProvisionsExplanatory
279 11901 - Disclosure - COMMITMENTS Network

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280 Implied Table Table

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281 COMMITMENTS Abstract ifrs-full:CapitalCommitmentsAbstract
282 Commitments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCommitmentsExplanatory
283 12001 - Disclosure - EQUITY Network

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284 Implied Table Table

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285 EQUITY Abstract ifrs-full:DisclosureOfClassesOfShareCapitalAbstract
286 Equity Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
287 12101 - Disclosure - FINANCIAL INSTRUMENTS Network

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288 Implied Table Table

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289 FINANCIAL INSTRUMENTS Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
290 Financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsExplanatory
291 12201 - Disclosure - REVENUES Network

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292 Implied Table Table

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293 REVENUES Abstract ifrs-full:RevenueAbstract
294 Revenues Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRevenueExplanatory
295 12301 - Disclosure - OPERATING EXPENSES Network

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296 Implied Table Table

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297 OPERATING EXPENSES Abstract teo:DisclosureOfOperatingExpensesAbstract
298 Operating expenses Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExpensesExplanatory
299 12401 - Disclosure - FINANCIAL RESULTS, NET Network

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300 Implied Table Table

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301 FINANCIAL RESULTS, NET Abstract teo:FinancialResultsNetAbstract
302 FINANCIAL RESULTS, NET Concept (Text Block (HTML)) For Period teo:FinancialResultsNetExplanatoryTextBlock
303 12501 - Disclosure - EARNINGS PER SHARE Network

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304 Implied Table Table

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305 EARNINGS PER SHARE Abstract ifrs-full:EarningsPerShareAbstract
306 EARNINGS PER SHARE Concept (Text Block (HTML)) For Period us-gaap:EarningsPerShareTextBlock
307 12601 - Disclosure - FINANCIAL RISK MANAGEMENT Network

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308 Implied Table Table

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310 FINANCIAL RISK MANAGEMENT Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
311 12701 - Disclosure - BALANCES AND TRANSACTIONS WITH COMPANIES UNDER SECTION 33 - LAW No. 19,550 AND RELATED PARTIES Network

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312 Implied Table Table

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313 BALANCES AND TRANSACTIONS WITH COMPANIES UNDER SECTION 33 - LAW No. 19,550 AND RELATED PARTIES Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
314 BALANCES AND TRANSACTIONS WITH COMPANIES UNDER SECTION 33 - LAW No. 19,550 AND RELATED PARTIES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRelatedPartyExplanatory
315 12801 - Disclosure - RESTRICTIONS ON DISTRIBUTION OF PROFITS Network

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316 Implied Table Table

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317 RESTRICTIONS ON DISTRIBUTION OF PROFITS Abstract teo:RestrictionsOnDistributionOfProfitsAndDividendsAbstract
318 RESTRICTIONS ON DISTRIBUTION OF PROFITS Concept (Text Block (HTML)) For Period teo:RestrictionsOnDistributionOfProfitsAndDividends
319 20302 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies) Network

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320 Implied Table Table

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322 Going Concern Concept (Text Block (HTML)) For Period teo:DescriptionOfAccountingPolicyForGoingConcernPolicyTextBlock
323 Foreign Currency Translation Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
324 Foreign Currency Transactions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory
325 Consolidation Concept (Text Block (HTML)) For Period teo:DescriptionOfAccountingPolicyForConsolidationPolicyTextBlock
326 Revenues Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
327 Financial Instruments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
328 Inventories Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
329 PP&E Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
330 Intangible Assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory
331 Goodwill Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForGoodwillExplanatory
332 Leases Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
333 Impairment of PP&E, Intangible Assets and Goodwill Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory
334 Other Liabilities Concept (Text Block (HTML)) For Period teo:DescriptionOfAccountingPolicyForOtherLiabilitiesPolicyTextBlock
335 Salaries and Social Security Payables Concept (Text Block (HTML)) For Period teo:DescriptionOfAccountingPolicyForSalariesAndSocialSecurityPayablesPolicyTextBlock
336 Taxes Payable Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
337 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
338 Dividends Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForDividendsExplanatory
339 Debt Financial Costs and Other Financial Results, net Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory
340 Acquisition of Treasury Shares Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForTreasurySharesExplanatory
341 Earnings per share Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
342 Adoption of IFRS 15 (Revenue from Contracts with Customers) Concept (Text Block (HTML)) For Period teo:DescriptionOfAccountingPolicyForAdoptionOfIfrs15RevenueFromContractsWithCustomersPolicyTextBlock
343 Adoption of the Amendments to IFRS 9 "Financial Instruments" Concept (Text Block (HTML)) For Period teo:DescriptionOfAccountingPolicyForAdoptionOfAmendmentsToIfrs9FinancialInstrumentsPolicyTextBlock
344 Use of estimates Concept (Text Block (HTML)) For Period teo:DescriptionOfAccountingPolicyForUseOfEstimatesPolicyTextBlock
345 New Standards and Interpretations issued by the IASB not in force Concept (Text Block (HTML)) For Period teo:DescriptionOfAccountingPolicyForNewStandardsAndInterpretationsIssuedByIasbNotInForcePolicyTextBlock
346 30103 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS (Tables) Network

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347 Implied Table Table

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350 Schedule of income statement information Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
351 Schedule of national consumer price index according to official statistics (INDEC) Concept (Text Block (HTML)) For Period teo:ScheduleOfNationalConsumerPriceIndexAccordingToOfficialStatisticsTableTextBlock
352 30303 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Tables) Network

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353 Implied Table Table

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355 Schedule of depreciation and estimated useful lives of property, plant and equipment Concept (Text Block (HTML)) For Period teo:DisclosureOfDetailedInformationAboutDepreciationAndEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock
356 Schedule of assumptions used in determining expense and benefit obligations Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory
357 30403 - Disclosure - ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES (Tables) Network

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358 Implied Table Table

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359 Merger Information Abstract ifrs-full:DisclosureOfBusinessCombinationsAbstract
360 Schedule of capital stock outstanding Concept (Text Block (HTML)) For Period teo:DisclosureOfCapitalStockAfterBusinessCombinationExplanatoryTableTextBlock
361 Schedule of identifiable assets acquired and liabilities assumed Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory
362 Schedule of impact of the purchase price allocation recognized in the consolidated results Concept (Text Block (HTML)) For Period teo:DisclosureOfPurchasePriceAllocationImpactInConsolidatedIncomeStatementExplanatoryTableTextBlock
363 30503 - Disclosure - CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS (Tables) Network

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364 Implied Table Table

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366 Schedule of cash and cash equivalents and investments Concept (Text Block (HTML)) For Period teo:DisclosureOfCashCashEquivalentsAndInvestmentsTableTextBlock
367 Schedule of information of investments in associates (*) Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInAssociatesExplanatory
368 Schedule of earnings information in associates Concept (Text Block (HTML)) For Period teo:ScheduleOfEarningInformationInAssociatesTableTextBlock
369 Schedule of changes in assets/liabilities components Concept (Text Block (HTML)) For Period teo:DisclosureOfChangesInAssetsAndLiabilitiesComponentsTableTextBlock
370 Schedule of main non-cash operating transactions Concept (Text Block (HTML)) For Period teo:DisclosureOfMainNonCashOperatingTransactionsTableTextBlock
371 Schedule of main financing activities components Concept (Text Block (HTML)) For Period teo:DisclosureOfFinancingActivitiesComponentsTableTextBlock
372 Schedule of additional information required by IAS 7 Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory
373 30603 - Disclosure - TRADE RECEIVABLES (Tables) Network

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374 Implied Table Table

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375 TRADE RECEIVABLES Abstract teo:TradeReceivablesAbstract
376 Summary of trade receivables Concept (Text Block (HTML)) For Period teo:DisclosureOfTradeReceivablesTableTextBlock
377 Schedule of movements in the allowance for doubtful accounts Concept (Text Block (HTML)) For Period teo:DisclosureOfMovementsInAllowanceForDoubtfulAccountsOnTradeReceivablesTableTextBlock
378 30703 - Disclosure - OTHER RECEIVABLES (Tables) Network

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379 Implied Table Table

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380 OTHER RECEIVABLES Abstract teo:OtherReceivablesAbstract
381 Schedule of other receivables Concept (Text Block (HTML)) For Period teo:DisclosureOfOtherReceivablesTableTextBlock
382 Schedule of movements in the allowances Concept (Text Block (HTML)) For Period teo:DisclosureOfChangesInAllowancesTableTextBlock
383 30803 - Disclosure - INVENTORIES (Tables) Network

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384 Implied Table Table

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385 INVENTORIES Abstract ifrs-full:ClassesOfInventoriesAbstract
386 Schedule of inventories Concept (Text Block (HTML)) For Period teo:IfrsScheduleOfInventoryCurrentTableTextBlock
387 30903 - Disclosure - GOODWILL (Tables) Network

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388 Implied Table Table

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389 GOODWILL Abstract ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillAbstract
390 Schedule of goodwill Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGoodwillExplanatory
391 31003 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables) Network

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392 Implied Table Table

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393 PROPERTY, PLANT AND EQUIPMENT Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
394 Schedule of PP&E Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
395 Schedule of movements in valuation allowance for materials and impairment of materials Concept (Text Block (HTML)) For Period teo:DisclosureOfReconciliationOfChangesInValuationAllowanceAndImpairmentOfMaterialsPropertyPlantAndEquipmentTableTextBlock
396 Schedule of movements in the impairment of PP&E Concept (Text Block (HTML)) For Period teo:DisclosureOfReconciliationOfChangesInImpairmentPropertyPlantAndEquipmentTableTextBlock
397 Schedule of nature and movements of property, plant and equipment Concept (Text Block (HTML)) For Period teo:DisclosureOfReconciliationOfChangesInPropertyPlantAndEquipmentTableTextBlock
398 31103 - Disclosure - INTANGIBLE ASSETS (Tables) Network

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399 Implied Table Table

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400 INTANGIBLE ASSETS Abstract ifrs-full:DisclosureOfIntangibleAssetsAbstract
401 Schedule of Intangible assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsMaterialToEntityExplanatory
402 Schedule of movements in the impairment of Intangible assets Concept (Text Block (HTML)) For Period teo:DisclosureOfMovementsInImpairmentOfIntangibleAssetsTableTextBlock
403 Schedule of movements in the allowances of intangible assets Concept (Text Block (HTML)) For Period teo:DisclosureOfChangesInAllowancesOfIntangibleAssetsTabletextBlock
404 31203 - Disclosure - TRADE PAYABLES (Tables) Network

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405 Implied Table Table

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406 TRADE PAYABLES Abstract ifrs-full:TradeAndOtherPayablesAbstract
407 Schedule of Trade Payables Concept (Text Block (HTML)) For Period teo:DisclosureOfTradePayablesTableTextBlock
408 31303 - Disclosure - FINANCIAL DEBT (Tables) Network

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409 Implied Table Table

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410 FINANCIAL DEBT Abstract ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
411 Schedule of current and non-current financial debt Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
412 Schedule of outstanding loans (Ncleo) Concept (Text Block (HTML)) For Period ifrs-full:MaturityAnalysisForNonderivativeFinancialLiabilities
413 31403 - Disclosure - SALARIES AND SOCIAL SECURITY PAYABLES (Tables) Network

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414 Implied Table Table

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416 Schedule of salaries and social security payables Concept (Text Block (HTML)) For Period teo:DisclosureOfSalariesAndSocialSecurityPayablesTableTextBlock
417 31503 - Disclosure - DEFERRED INCOME TAX ASSETS/LIABILITIES (Tables) Network

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418 Implied Table Table

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420 Schedule of deferred income tax assets and liabilities, net and the actions for recourse tax receivable Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
421 Schedule of maturities of estimated tax carryforward Concept (Text Block (HTML)) For Period teo:ScheduleOfMaturitiesOfEstimatedTaxCarryforwardTableTextBlock
422 Schedule of income tax benefit (expense) Concept (Text Block (HTML)) For Period teo:IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock
423 Schedule of income tax reconciliation between amounts computed based on statutory income tax rate and pre-tax income Concept (Text Block (HTML)) For Period teo:IfrsScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
424 31603 - Disclosure - TAXES PAYABLE (Tables) Network

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425 Implied Table Table

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426 TAXES PAYABLES Abstract teo:TaxesPayableAbstract
427 Schedule of taxes payable Concept (Text Block (HTML)) For Period teo:ScheduleOfTaxesPayableTabletextblock
428 31703 - Disclosure - OTHER LIABILITIES (Tables) Network

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429 Implied Table Table

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430 OTHER LIABILITIES Abstract teo:IfrsOtherLiabilitiesAbstract
431 Schedule of other liabilities Concept (Text Block (HTML)) For Period teo:DisclosureOfOtherLiabilitiesTableTextBlock
432 Schedule of movements in the pension benefits Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory
433 31803 - Disclosure - PROVISIONS (Tables) Network

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434 Implied Table Table

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435 PROVISIONS Abstract ifrs-full:DisclosureOfOtherProvisionsAbstract
436 Schedule of provisions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherProvisionsExplanatory
437 32003 - Disclosure - EQUITY (Tables) Network

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438 Disclosure of non-adjusting events after reporting period [table] Table

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441 Cablevision S.A. Member teo:CablevisionSaMember
442 Disclosure of non-adjusting events after reporting period [line items] LineItems ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
443 Equity Abstract ifrs-full:NumberOfSharesIssuedAbstract
444 Schedule of entity's equity Concept (Text Block (HTML)) For Period teo:DisclosureOfCompanySEquityTableTextBlock
445 Schedule of entity's capital breakdown as of December 31, 2017 Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory
446 32103 - Disclosure - FINANCIAL INSTRUMENTS (Tables) Network

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447 Implied Table Table

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448 FINANCIAL INSTRUMENTS Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
449 Schedule of financial assets and financial liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory
450 Schedule of gains and losses of financial instruments by category Concept (Text Block (HTML)) For Period teo:DisclosureOfGainsAndLossesOfFinancialInstrumentsByCategoryTableTextBlock
451 Schedule of offsetting of financial assets and financial liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOffsettingOfFinancialAssetsAndFinancialLiabilitiesExplanatory
452 32203 - Disclosure - REVENUES (Tables) Network

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453 Implied Table Table

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454 REVENUES Abstract ifrs-full:RevenueAbstract
455 Summary of Service revenues by type of service Concept (Text Block (HTML)) For Period teo:DisclosureOfServiceRevenuesByTypeOfServiceTableTextBlock
456 32303 - Disclosure - OPERATING EXPENSES (Tables) Network

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457 Implied Table Table

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459 Schedule of operating expense main components Concept (Text Block (HTML)) For Period teo:DisclosureOfMainComponentsOfOperatingExpenseTextBlock
460 Schedule of operating expenses disclosed per function Concept (Text Block (HTML)) For Period teo:DisclosureOfOperatingExpensesByFunctionTableTextBlock
461 Schedule of Future minimum lease payments on non cancellable operating lease agreements Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeExplanatory
462 32403 - Disclosure - FINANCIAL RESULTS, NET (Tables) Network

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463 Implied Table Table

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464 FINANCIAL RESULTS, NET Abstract teo:FinancialResultsNetAbstract
465 Schedule of financial results, net Concept (Text Block (HTML)) For Period teo:DisclosureOfFinancialResultsTableTextBlock
466 32603 - Disclosure - FINANCIAL RISK MANAGEMENT (Tables) Network

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467 Implied Table Table

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469 Schedule of financial assets and liabilities denominated in foreign currencies Concept (Text Block (HTML)) For Period teo:DisclosureOfFinancialPositionExposureToCurrencyRiskTableTextBlock
470 Schedule of theoretical exposure to credit risk Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCreditRiskExposureExplanatory
471 Schedule of working capital breakdown and its main variations Concept (Text Block (HTML)) For Period teo:DisclosureOfWorkingCapitalBreakdownAndItsMainVariationsTableTextBlock
472 Schedule of breakdown of financial liabilities into relevant maturity groups Concept (Text Block (HTML)) For Period ifrs-full:MaturityAnalysisForDerivativeFinancialLiabilities
473 32703 - Disclosure - BALANCES AND TRANSACTIONS WITH COMPANIES UNDER SECTION 33 - LAW No. 19,550 AND RELATED PARTIES (Tables) Network

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474 Implied Table Table

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475 BALANCES AND TRANSACTIONS WITH COMPANIES UNDER SECTION 33 - LAW No. 19,550 AND RELATED PARTIES Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
476 Schedule of balances and transactions with related parties Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
477 40101 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS - Subsidiaries (Details) Network

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481 Nucleo Member teo:NucleoMember
482 Personal Envios Member teo:PersonalEnviosMember
483 Tuves Paraguay Member teo:TuvesParaguayMember
484 Micro Sistemas Member teo:MicroSistemasMember
485 Pem Member teo:PemS.a.Member
486 CV Berazategui Member teo:CvBerazateguiMember
487 Cable Imagen Member teo:CableImagenMember
488 Television Dirigida Member teo:TelevisinDirigidaMember
489 Adesol Member teo:AdesolMember
490 Ultima Milla Member teo:UltimaMillaMember
491 AVC Continente Audiovisual Member teo:AvcContinenteAudiovisualMember
492 Inter Radios Member teo:InterRadiosMember
493 Telecom USA Member teo:TelecomUsaMember
494 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
495 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
496 Pem Member teo:PemS.a.Member
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498 Percentage of direct/indirect interest in capital stock and votes Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
499 Acquisition percentage Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
500 40102 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS - Segment financial information of Consolidated Income Statement (Details) Network

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501 Disclosure of operating segments [table] Table

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503 Segments [member] Member ifrs-full:SegmentsMember
504 Services rendered in Argentina Member teo:ServicesRenderedInArgentinaSegmentMember
505 Other abroad segments Member teo:OtherAbroadSegmentsMember
506 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
507 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
508 Operating segment Member ifrs-full:OperatingSegmentsMember
509 Eliminations Member ifrs-full:EliminationOfIntersegmentAmountsMember
510 Inflation restatement Member teo:RestatementEffectOfInflationMember
511 Scenario [Axis] Axis us-gaap:StatementScenarioAxis
512 Scenario, Unspecified [Domain] Member us-gaap:ScenarioUnspecifiedDomain
513 Restated for inflation Member teo:RestatedValuesForInflationMember
514 Segment financial information LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
515 Revenues Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
516 Operating costs without depreciation, amortization and impairment of PP&E Concept (Monetary) For Period Debit teo:OperatingCostsWithoutDepreciationAndAmortizationAndImpairmentOfPpEAndIntangibleAssets
517 Depreciation, amortization and impairment of PP&E and Intangible assets Concept (Monetary) For Period Debit ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
518 Operating income Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
519 Earnings from associates Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
520 Debt financial expenses Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
521 Other financial results, net Concept (Monetary) For Period Credit teo:OtherFinanceIncomeCostNet
522 Income before income tax benefit (expense) Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
523 Income tax benefit (expense) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
524 Net income for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
525 Attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
526 Controlling Company Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
527 Non-controlling interest Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
528 40103 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS - Segment financial information as per geographical area (Details) Network

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 http://www.telecom.com.ar/role/DisclosureDescriptionOfBusinessAndBasisOfPreparationOfConsolidatedFinancialStatementsSegmentFinancialInformationAsPerGeographicalAreaDetails
529 Disclosure of geographical areas [table] Table

*

*

 ifrs-full:DisclosureOfGeographicalAreasTable
530 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
531 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
532 Argentina Member ifrs-full:CountryOfDomicileMember
533 Abroad Member ifrs-full:ForeignCountriesMember
534 Segments [axis] Axis ifrs-full:SegmentsAxis
535 Segments [member] Member ifrs-full:SegmentsMember
536 Services rendered in Argentina Member teo:ServicesRenderedInArgentinaSegmentMember
537 Other abroad segments Member teo:OtherAbroadSegmentsMember
538 Geographic information LineItems ifrs-full:DisclosureOfGeographicalAreasLineItems
539 Sales revenues Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
540 PP&E, Goodwill and Intangible assets Concept (Monetary) As Of Debit teo:PropertyPlantAndEquipmentGoodwillAndIntangibleAssets
541 40104 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS - Basis of Presentation (Details) Network

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 http://www.telecom.com.ar/role/DisclosureDescriptionOfBusinessAndBasisOfPreparationOfConsolidatedFinancialStatementsBasisOfPresentationDetails
542 Disclosure Of Description Of Business And Basis Of Preparation Of The Financial Statements [Table] Table

*

*

 teo:DisclosureOfDescriptionOfBusinessAndBasisOfPreparationOfFinancialStatementsTable
543 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
544 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
545 Cablevision S.A. Member teo:CablevisionSaMember
546 DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS LineItems teo:DisclosureOfDescriptionOfBusinessAndBasisOfPreparationOfConsolidatedFinancialStatementsLineItems
547 Percentage of voting rights in surviving company for former shareholders of acquiree Concept (Percent) For Period teo:PercentageOfVotingRightsInSurvivingCompanyForFormerShareholdersOfAcquiree
548 Percentage of voting rights in surviving company for former shareholders of acquirer Concept (Percent) For Period teo:PercentageOfVotingRightsInSurvivingCompanyForFormerShareholdersOfAcquirer
549 40105 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS - Consumer Price Index (Details) Network

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 http://www.telecom.com.ar/role/DisclosureDescriptionOfBusinessAndBasisOfPreparationOfConsolidatedFinancialStatementsConsumerPriceIndexDetails
550 Implied Table Table

*

*

 implied:Table
551 DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS Abstract teo:DisclosureOfDescriptionOfBusinessAndBasisOfPreparationOfFinancialStatementsAbstract
552 Variation in Prices Abstract teo:ConsumerPriceIndexAbstract
553 Amount of National CPI Concept (Monetary) For Period Debit teo:AmountOfNationalConsumerPriceIndex
554 Number of years of accumulated consumer price index Concept (xbrli:durationItemType) For Period teo:NumberOfYearsOfAccumulatedPriceIndex
555 Annual (as a percent) Concept (Percent) As Of teo:PercentageOfConsumerPriceIndex
556 Accumulated 3 years (as a percent) Concept (Percent) As Of teo:PercentageOfAccumulatedConsumerPriceIndex
557 40201 - Disclosure - REGULATORY FRAMEWORK (Details) Network

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 http://www.telecom.com.ar/role/DisclosureRegulatoryFrameworkDetails
558 Disclosure on Regulatory Framework [Table] Table

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*

 teo:DisclosureOnRegulatoryFrameworkTable
559 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
560 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
561 Nucleo Member teo:NucleoMember
562 Tuves Paraguay Member teo:TuvesParaguayMember
563 Adesol Member teo:AdesolMember
564 Ifrs Type Of Arrangement [Axis] Axis teo:IfrsTypeOfArrangementAxis
565 Ifrs Arrangements And Nonarrangement Transactions [Domain] Member teo:IfrsArrangementsAndNonarrangementTransactionsDomain
566 License agreement for STM and PCS, installation and provision of Internet and Data Member teo:MobileTelecommunicationServicesLicenseInstallationAndProvisionOfInternetAndDataLicenseAgreementMember
567 Regulatory framework LineItems teo:DisclosureOnRegulatoryFrameworkLineItems
568 Number of licensees Concept (Integer) For Period teo:NumberOfLicenseesProvidingSubscriptionBroadcastingServices
569 Term of the license agreement Concept (xbrli:durationItemType) For Period teo:TermOfLicenseAgreement
570 Renewable term of license Concept (xbrli:durationItemType) For Period teo:RenewableTermOfLicenseAgreement
571 Frequency of band spectrum Concept (Decimal) For Period teo:AuctionedFrequencyBandSpectrum
572 40202 - Disclosure - REGULATORY FRAMEWORK - Amendments to LAD (Details) Network

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 http://www.telecom.com.ar/role/DisclosureRegulatoryFrameworkAmendmentsToLadDetails
573 Disclosure on Regulatory Framework [Table] Table

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*

 teo:DisclosureOnRegulatoryFrameworkTable
574 Ifrs Type Of Arrangement [Axis] Axis teo:IfrsTypeOfArrangementAxis
575 Ifrs Arrangements And Nonarrangement Transactions [Domain] Member teo:IfrsArrangementsAndNonarrangementTransactionsDomain
576 Amendments to the LAD Member teo:AmendmentsToLadMember
577 Amendments to DNU No. 267/15 Member teo:AmendmentsToDnuMember
578 Range [axis] Axis ifrs-full:RangeAxis
579 Ranges [member] Member ifrs-full:RangesMember
580 Maximum Member ifrs-full:TopOfRangeMember
581 Regulatory framework LineItems teo:DisclosureOnRegulatoryFrameworkLineItems
582 Period of extension Concept (xbrli:durationItemType) For Period teo:ExtensionPeriodForUsingFrequencySpectrumToRadioelectricLink
583 Additional term of extension Concept (xbrli:durationItemType) For Period teo:ExtensionPeriodForProhibitionFromProvidingBroadcastingUnderSubscriptionServices
584 Extension of period for LSCA and LAD Concept (xbrli:durationItemType) For Period teo:ExtensionPeriodForPreparationOfDraftReformOfLscaAndLadLaws
585 Extension of period for ITC Bill Concept (xbrli:durationItemType) For Period teo:ExtensionPeriodForAnalysisAndPublicationOfItcBill
586 Extension period for ITCS Concept (xbrli:durationItemType) For Period teo:ExtensionPeriodForPromotionOfDeploymentOfInfrastructureAndCompetitionOfInformationTechnologyAndCommunicationServices
587 Period for protection of last-mile fixed of new generation networks Concept (xbrli:durationItemType) For Period teo:PeriodForProtectionOfLastMileFixedOfNewGenerationNetworks
588 Asymmetric interconnection rates period Concept (xbrli:durationItemType) For Period teo:PeriodForAsymmetricInterconnectionRatesForMobileServices
589 Maximum period allowed for Automatic national roaming service, forcing mobile service providers Concept (xbrli:durationItemType) For Period teo:PeriodAllowedForAutomaticNationalRoamingServiceAndForcingMobileServiceProviders
590 40203 - Disclosure - REGULATORY FRAMEWORK - Universal Service Regulation (Details) Network

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 http://www.telecom.com.ar/role/DisclosureRegulatoryFrameworkUniversalServiceRegulationDetails
591 Disclosure on Regulatory Framework [Table] Table

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*

 teo:DisclosureOnRegulatoryFrameworkTable
592 Ifrs Type Of Arrangement [Axis] Axis teo:IfrsTypeOfArrangementAxis
593 Ifrs Arrangements And Nonarrangement Transactions [Domain] Member teo:IfrsArrangementsAndNonarrangementTransactionsDomain
594 ICT Services Member teo:IctServicesLicenseAgreementMember
595 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
596 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
597 Personal Member teo:PersonalMember
598 Range [axis] Axis ifrs-full:RangeAxis
599 Ranges [member] Member ifrs-full:RangesMember
600 Minimum Member ifrs-full:BottomOfRangeMember
601 Regulatory framework LineItems teo:DisclosureOnRegulatoryFrameworkLineItems
602 Contribution to SU Fund, percentage Concept (Percent) For Period teo:ContributionToSuFundPercentageOfTotalAccruedRevenues
603 Minimum percentage of teledensity required for not providing contribution to SU fund Concept (Percent) For Period teo:PercentageOfTeledensityConsideredForExemptionFromContributionToSuFund
604 Unrecorded accounts receivable Concept (Monetary) As Of Debit teo:UnrecordedAccountsReceivable
605 Investments included in the unrecorded accounts receivable Concept (Monetary) As Of Debit teo:InvestmentsIncludedInUnrecordedAccountsReceivable
606 Deductions included in the unrecorded accounts receivable Concept (Monetary) As Of Credit teo:DeductionsIncludedInUnrecordedAccountsReceivable
607 Deposit payable, as required by the CNC Concept (Monetary) As Of Credit teo:DepositLiabilityRequiredByArgentineNationalCommunicationsCommission
608 Deposits with the Bank, SU Concept (Monetary) As Of Debit teo:DepositsWithBanks
609 Deposits with the CNC, under protest Concept (Monetary) As Of Debit teo:DepositsWithArgentineNationalCommunicationsCommissionUnderProtest
610 40204 - Disclosure - REGULATORY FRAMEWORK - Spectrum (Details) Network

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611 Disclosure on Regulatory Framework [Table] Table

*

*

 teo:DisclosureOnRegulatoryFrameworkTable
612 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
613 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
614 Nucleo Member teo:NucleoMember
615 SC Resolution Numbers [Axis] Axis teo:ScResolutionNumbersAxis
616 SC Resolution Numbers [Domain] Member teo:ScResolutionNumbersDomain
617 1033-E/17 Member teo:ScResolutionNumber1033e17Member
618 1034-E/17 Member teo:ScResolutionNumber1034e17Member
619 1299-E/17 Member teo:ScResolutionNumber1299e17Member
620 3687-E/17 Member teo:ScResolutionNumber3687e17Member
621 Range [axis] Axis ifrs-full:RangeAxis
622 Ranges [member] Member ifrs-full:RangesMember
623 Minimum Member ifrs-full:BottomOfRangeMember
624 Maximum Member ifrs-full:TopOfRangeMember
625 Regulatory framework LineItems teo:DisclosureOnRegulatoryFrameworkLineItems
626 Usage period of the auctioned frequency bands Concept (xbrli:durationItemType) For Period teo:AuctionedFrequencyBandsUsagePeriod
627 Frequency band awarded, one (in MHz) Concept (Decimal) For Period teo:FrequencyBandAwardedOne
628 Frequency band awarded, two (in MHz) Concept (Decimal) For Period teo:FrequencyBandAwardedTwo
629 Migration period Concept (xbrli:durationItemType) For Period teo:PeriodForMigrationOfUsersFromPreExistingServices
630 Spectrum allocation period Concept (xbrli:durationItemType) For Period teo:PeriodGrantedForSpectrumAllocation
631 Number of areas free of interference in spectrum allocation Concept (Integer) As Of teo:NumberOfAreasThatAreFreeOfInterferenceInSpectrumAllocation
632 Number of provincial capitals in spectrum allocation Concept (Integer) As Of teo:NumberOfProvincialCapitalsCoveredInSpectrumAllocation
633 Amount payable for spectrum allocation Concept (Monetary) As Of Credit teo:AmountPayableForSpectrumAllocation
634 Penalty percentage on spectrum allocation Concept (Pure) As Of teo:PercentageOfPenaltyOnSpectrumValue
635 Deposit to be paid Concept (Monetary) As Of Credit teo:DepositPayableForLicenseAcquisition
636 Number of sub-bands awarded Concept (Integer) For Period teo:NumberOfSubBandsAwarded
637 Consideration paid for each sub-bands Concept (Monetary) For Period Debit teo:LicenseAcquisitionsConsiderationPaidForEachSubBand
638 Auction price cancellation Concept (Monetary) As Of Debit teo:CancellationOfSubBandAuctionPrice
639 License period for Cellular Mobile Telephony and Internet Access and Data Transmission Services Concept (xbrli:durationItemType) For Period teo:PeriodOfLicenseForCellularMobileTelephonyAndInternetAccessAndDataTransmissionServices
640 Number of licensees for subscription television services Concept (Integer) As Of teo:NumberOfLicenseesProvidingSubscriptionTelevisionServices
641 Term non-satellite audiovisual communication services spectrum Concept (xbrli:durationItemType) For Period teo:TermOfNonSatelliteAudiovisualCommunicationServicesSpectrum
642 40205 - Disclosure - REGULATORY FRAMEWORK - Other Details (Details) Network

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 http://www.telecom.com.ar/role/DisclosureRegulatoryFrameworkOtherDetailsDetails
643 Disclosure on Regulatory Framework [Table] Table

*

*

 teo:DisclosureOnRegulatoryFrameworkTable
644 SC Resolution Numbers [Axis] Axis teo:ScResolutionNumbersAxis
645 SC Resolution Numbers [Domain] Member teo:ScResolutionNumbersDomain
646 401/2018 Member teo:ScResolutionNumber4012018Member
647 4950/18 Member teo:ScResolutionNumber495018Member
648 286/18 Member teo:ScResolutionNumber28618Member
649 4952/18 Member teo:ScResolutionNumber495218Member
650 1160/2018 Member teo:ScResolutionNumber11602018Member
651 580/18 Member teo:ScResolutionNumber58018Member
652 51/18 Member teo:ScResolutionNumber5118Member
653 Regulatory framework LineItems teo:DisclosureOnRegulatoryFrameworkLineItems
654 Number of days to extend business Concept (xbrli:durationItemType) For Period teo:NumberOfDaysToExtendBusiness
655 Number of representatives Concept (Integer) For Period teo:NumberOfRepresentatives
656 Number of working days to set provisional interconnection charges Concept (xbrli:durationItemType) For Period teo:NumberOfWorkingDaysToSetProvisionalInterconnectionCharges
657 Number of business days to present the Reference Offer to ENACOM Concept (xbrli:durationItemType) For Period teo:NumberOfBusinessDays
658 Provisional charge for communication services per minute Concept (Decimal) For Period teo:ProvisionalChargeForCommunicationServicesPerMinute
659 Provisional charge for local termination services per minute Concept (Decimal) For Period teo:ProvisionalChargeForLocalTerminationServicesPerMinute
660 Provisional charge for local transit services per minute Concept (Decimal) For Period teo:ProvisionalChargeForLocalTransitServicesPerMinute
661 Provisional charge for long distance transport services per minute Concept (Decimal) For Period teo:ProvisionalChargeForLongDistanceTransportServicesPerMinute
662 Calendar days to implement procedures Concept (xbrli:durationItemType) For Period teo:NumberOfCalendarDaysToImplementProcedures
663 Period within which the spectrum should be returned Concept (xbrli:durationItemType) For Period teo:PeriodWithinWhichSpectrumShouldBeReturned
664 Period in advance within which the proposal should be filed with ENACOM Concept (xbrli:durationItemType) For Period teo:PeriodInAdvanceWithinWhichProposalShouldBeFiled
665 Period within which the Fixed Interest Access Service is to be offered Concept (xbrli:durationItemType) For Period teo:PeriodWithinWhichFixedInternetAccessServiceIsToBeOffered
666 Period within which the company shall report about the Retail Internet Access Service Concept (xbrli:durationItemType) For Period teo:PeriodWithinWhichCompanyShallReportAboutRetailInternetAccessService
667 40301 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Interests in Joint Operations (Details) Network

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 http://www.telecom.com.ar/role/DisclosureSignificantAccountingPoliciesInterestsInJointOperationsDetails
668 Disclosure of joint operations [table] Table

*

*

 ifrs-full:DisclosureOfJointOperationsTable
669 Joint operations [axis] Axis ifrs-full:JointOperationsAxis
670 Entity's total for joint operations [member] Member ifrs-full:EntitysTotalForJointOperationsMember
671 UTE Ertach - Cablevision Member teo:UteErtachCablevisionMember
672 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
673 Counterparties [member] Member ifrs-full:CounterpartiesMember
674 UTE Member teo:UnionesTransitoriasDeEmpresasMember
675 Interests in Joint Operations LineItems ifrs-full:DisclosureOfJointOperationsLineItems
676 Ownership interest in joint venture (in percentage) Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInJointOperation
677 Bid term of data transmission services for Single Provincial Data Communication Network Concept (xbrli:durationItemType) For Period teo:BidTermOfDataTransmissionServicesForSingleProvincialDataCommunicationNetwork
678 40302 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Consolidation of structured entities (Details) Network

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 http://www.telecom.com.ar/role/DisclosureSignificantAccountingPoliciesConsolidationOfStructuredEntitiesDetails
679 Disclosure of Detailed Information About Significant Accounting Policies [Table] Table

*

*

 teo:DisclosureOfDetailedInformationAboutSignificantAccountingPoliciesTable
680 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
681 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
682 Adesol Member teo:AdesolMember
683 Ifrs Type Of Arrangement [Axis] Axis teo:IfrsTypeOfArrangementAxis
684 Ifrs Arrangements And Nonarrangement Transactions [Domain] Member teo:IfrsArrangementsAndNonarrangementTransactionsDomain
685 Call Option Agreement of Adesol Member teo:CallOptionAgreementOfAdesolMember
686 Equity Components [Axis] Axis us-gaap:StatementEquityComponentsAxis
687 Equity Component [Domain] Member us-gaap:EquityComponentDomain
688 Other deferred Member teo:OtherDeferredReserveMember
689 Disclosure of Detailed Information About Significant Accounting Policies [line items] LineItems teo:DisclosureOfDetailedInformationAboutSignificantAccountingPoliciesLineItems
690 Purchase price of call option Concept (Monetary) For Period Debit teo:PurchasePriceOfCallOption
691 Extension period of call option Concept (xbrli:durationItemType) For Period teo:ExtensionPeriodOfCallOption
692 Period available for payment of supplement to option premium Concept (xbrli:durationItemType) For Period teo:PeriodAvailableForPaymentOfSupplementToOptionPremium
693 Supplement option premium payable Concept (Monetary) As Of Credit teo:PaymentOfOptionPremiumToGrantor
694 Period available for grantor for returning of premium after expiration Concept (xbrli:durationItemType) For Period teo:PeriodAvailableForGrantorForReturningOfPremiumAfterExpiration
695 Supplement option premium receivable after expiration of call option Concept (Monetary) As Of Debit teo:SupplementOptionPremiumReceivableAfterExpirationOfCallOption
696 Supplemental option premium paid Concept (Monetary) For Period Credit teo:SupplementalOptionPremiumPaid
697 40303 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Accounting treatment for the acquisition of the remaining shareholding (Details) Network

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 http://www.telecom.com.ar/role/DisclosureSignificantAccountingPoliciesAccountingTreatmentForAcquisitionOfRemainingShareholdingDetails
698 Statement [Table] Table

*

*

 us-gaap:StatementTable
699 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
700 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
701 CV Berazategui Member teo:CvBerazateguiMember
702 Equity Components [Axis] Axis us-gaap:StatementEquityComponentsAxis
703 Equity Component [Domain] Member us-gaap:EquityComponentDomain
704 Other deferred Member teo:OtherDeferredReserveMember
705 Significant accounting policies LineItems teo:DisclosureOfDetailedInformationAboutSignificantAccountingPoliciesLineItems
706 Acquisition percentage Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
707 Capital stock and votes of Subsidiaries Concept (Monetary) As Of Debit teo:TotalAmountOfCapitalStockAndVotesOfSubsidiaries
708 Ownership percentage by parent Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
709 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
710 Net Equity attributable to controlling shareholders Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
711 40304 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Revenue (Details) Network

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 http://www.telecom.com.ar/role/DisclosureSignificantAccountingPoliciesRevenueDetails
712 Disclosure of Detailed Information About Significant Accounting Policies [Table] Table

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*

 teo:DisclosureOfDetailedInformationAboutSignificantAccountingPoliciesTable
713 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
714 Products and services [member] Member ifrs-full:ProductsAndServicesMember
715 Fixed Telephony and Data services Member teo:FixedTelephonyAndDataServicesMember
716 Disclosure of Detailed Information About Significant Accounting Policies [line items] LineItems teo:DisclosureOfDetailedInformationAboutSignificantAccountingPoliciesLineItems
717 Revenue on construction contracts recognized Concept (Monetary) For Period Credit ifrs-full:RevenueFromConstructionContracts
718 Cost of construction contracts Concept (Monetary) As Of Debit ifrs-full:ConstructionInProgress
719 Deferred Revenues on construction contracts Concept (Monetary) As Of Credit teo:DeferredRevenuesOfConstructionContracts
720 inventories on construction contracts recognized Concept (Monetary) As Of Debit ifrs-full:Inventories
721 40305 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Property, Plant and Equipment (Details) Network

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 http://www.telecom.com.ar/role/DisclosureSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails
722 Disclosure of Detailed Information About Significant Accounting Policies [Table] Table

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*

 teo:DisclosureOfDetailedInformationAboutSignificantAccountingPoliciesTable
723 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
724 PP&E Member ifrs-full:PropertyPlantAndEquipmentMember
725 Real estate Member teo:IfrsRealEstateMember
726 Fixed network and transportation Member teo:FixedNetworkAndTransportationMember
727 Mobile network access Member teo:MobileNetworkAccessMember
728 Tower and pole Member teo:TowerAndPoleMember
729 Switching equipment Member teo:SwitchingEquipmentMember
730 Computer Equipment Member teo:ComputerEquipmentAndSoftwareMember
731 Vehicles Member ifrs-full:VehiclesMember
732 Goods lent to customers at no cost Member teo:GoodsLentToCustomersAtNoCostMember
733 Power equipment and Installations Member teo:PowerEquipmentAndInstallationsMember
734 Machinery, diverse equipment and tools Member teo:MachineryDiverseEquipmentAndToolsMember
735 Range [axis] Axis ifrs-full:RangeAxis
736 Ranges [member] Member ifrs-full:RangesMember
737 Minimum Member ifrs-full:BottomOfRangeMember
738 Maximum Member ifrs-full:TopOfRangeMember
739 Significant accounting policies LineItems teo:DisclosureOfDetailedInformationAboutSignificantAccountingPoliciesLineItems
740 Estimated useful life (in years) Concept (xbrli:durationItemType) For Period teo:UsefulLivesPropertyPlantAndEquipment
741 40306 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Intangible Assets (Details) Network

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 http://www.telecom.com.ar/role/DisclosureSignificantAccountingPoliciesIntangibleAssetsDetails
742 Disclosure of Detailed Information About Significant Accounting Policies [Table] Table

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*

 teo:DisclosureOfDetailedInformationAboutSignificantAccountingPoliciesTable
743 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
744 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
745 Personal Member teo:PersonalMember
746 Argentina Member country:AR
747 Paraguay Member country:PY
748 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
749 Intangible assets Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
750 Incremental Costs from the Acquisition of Contracts Member teo:IncrementalCostsFromAcquisitionOfContractsMember
751 3G/4G licenses Member teo:Licenses3g4gMember
752 PCS license (Argentina) Member teo:PersonalCommunicationsServiceLicenseMember
753 Nucleo's licenses - PCS Member teo:NucleosPcsLicenseMember
754 Nucleo's licenses - 700 MHz-band spectrum Member teo:Nucleos700MhzBandSpectrumLicenseMember
755 SRCE license Member teo:SrceLicenseMember
756 Internet and data transmission license (Paraguay) Member teo:InternetAndDataTransmissionLicenseMember
757 Customer relationships Member ifrs-full:CustomerrelatedIntangibleAssetsMember
758 Brands Member ifrs-full:BrandNamesMember
759 Brand Cablevision Member teo:BrandCablevisionMember
760 Brand Flow Member teo:BrandFlowMember
761 Brand Arnet Member teo:BrandArnetMember
762 Other Exclusivity Rights, Rights of Use Member teo:OtherExclusivityRightsRightsOfUseMember
763 Range [axis] Axis ifrs-full:RangeAxis
764 Ranges [member] Member ifrs-full:RangesMember
765 Minimum Member ifrs-full:BottomOfRangeMember
766 Maximum Member ifrs-full:TopOfRangeMember
767 Significant accounting policies LineItems teo:DisclosureOfDetailedInformationAboutSignificantAccountingPoliciesLineItems
768 Average period for amortization Concept (xbrli:durationItemType) For Period teo:UsefulLivesIntangibleAssetsOtherThanGoodwill
769 Remaining useful life of frequencies Concept (xbrli:durationItemType) For Period teo:RemainingUsefulLifeOfFrequencies
770 Impairment losses Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
771 Extensions of license renewed Concept (Monetary) As Of Debit teo:PrecariousExtensionsRenewedLicense
772 Temporary extension period Concept (xbrli:durationItemType) For Period teo:ValidityOfTemporaryExtensionPeriod
773 Amortized over the estimated term Concept (xbrli:durationItemType) For Period teo:UsefulLivesIntangibleAssetsOverAmortizedPeriod
774 Impairment of Intangible assets Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
775 40307 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Other Liabilities (Details) Network

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 http://www.telecom.com.ar/role/DisclosureSignificantAccountingPoliciesOtherLiabilitiesDetails
776 Disclosure of Detailed Information About Significant Accounting Policies [Table] Table

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*

 teo:DisclosureOfDetailedInformationAboutSignificantAccountingPoliciesTable
777 Range [axis] Axis ifrs-full:RangeAxis
778 Ranges [member] Member ifrs-full:RangesMember
779 Minimum Member ifrs-full:BottomOfRangeMember
780 Maximum Member ifrs-full:TopOfRangeMember
781 Significant accounting policies LineItems teo:DisclosureOfDetailedInformationAboutSignificantAccountingPoliciesLineItems
782 Discount rate Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
783 Projected increase rate in compensation Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases
784 40308 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Taxes Payables (Details) Network

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 http://www.telecom.com.ar/role/DisclosureSignificantAccountingPoliciesTaxesPayablesDetails
785 Disclosure of Detailed Information About Significant Accounting Policies [Table] Table

*

*

 teo:DisclosureOfDetailedInformationAboutSignificantAccountingPoliciesTable
786 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
787 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
788 Argentina Member country:AR
789 Uruguay Member country:UY
790 Paraguay Member country:PY
791 United States of America Member country:US
792 Range [axis] Axis ifrs-full:RangeAxis
793 Ranges [member] Member ifrs-full:RangesMember
794 Minimum Member ifrs-full:BottomOfRangeMember
795 Maximum Member ifrs-full:TopOfRangeMember
796 Significant accounting policies LineItems teo:DisclosureOfDetailedInformationAboutSignificantAccountingPoliciesLineItems
797 Applicable tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
798 Additional tax rate (as a percent) Concept (Percent) For Period teo:AdditionalTaxRateInRespectOfDividendPayment
799 Effective tax rate Concept (Percent) For Period ifrs-full:AverageEffectiveTaxRate
800 Flat federal income tax rate Concept (Percent) For Period teo:FederalIncomeTaxRateAsPerTcja2017
801 Tax rate on minimum presumed income Concept (Percent) For Period teo:TaxRateOnMinimumPresumedIncome
802 Number of years for which tax on assets creditable against income tax liability Concept (xbrli:durationItemType) For Period teo:NumberOfYearsForWhichTaxOnAssetsCreditableAgainstIncomeTaxLiability
803 Tax rate for SU fund Concept (Percent) For Period teo:TaxRateForUniversalServiceFiduciaryFund
804 SU tax rate for cable operators Concept (Percent) For Period teo:TaxRateOfSuForCableOperators
805 Percentage of effective tax amounts paid eligible for VAT credit Concept (Percent) For Period teo:PercentageOfTaxAmountsPaidEligibleForVatCredit
806 Tax rate percentage on copyrights paid to several institutions Concept (Percent) For Period teo:TaxRateOnCopyrightsPaidToAadiCapifSadaicArgentoresInstitutions
807 Withholding tax rate on dividends Concept (Percent) For Period teo:WithholdingTaxRateOnDividendsDistributedToNonResidents
808 Equalization tax rate percentage, repealed Concept (Percent) For Period teo:EqualizationTaxDividendsDistributedInExcessOfAccumulatedTaxableIncomePercentage
809 Capital gain tax rate for individuals or foreign beneficiaries Concept (Percent) For Period teo:CapitalGainTaxRateForResidentIndividualsOrForeignBeneficiaries
810 Presumed net gain percentage on sale price for calculating capital gain tax Concept (Percent) For Period teo:PresumedNetGainPercentageOnSalePriceForCalculatingCapitalGainTax
811 Capital gain tax rate for local legal entities Concept (Percent) For Period teo:CapitalGainTaxRateForLocalLegalEntities
812 Real estate (qualifying as property, plant and equipment) revaluation tax percentage Concept (Percent) For Period teo:RevaluationTaxRealEstateCapitalAssets
813 Real estate (qualifying as inventories) revaluation tax percentage Concept (Percent) For Period teo:RevaluationTaxRealEstateInventories
814 Shares, quotas and other participations owned by resident individuals revaluation tax percentage Concept (Percent) For Period teo:RevaluationTaxInvestmentsInArgentineCompaniesResidents
815 All other assets revaluation tax percentage Concept (Percent) For Period teo:RevaluationTaxOtherAssetsPercent
816 Minimum accumulated CPI criteria for past three years for implementing inflation adjustment procedure Concept (Percent) For Period teo:MinimumAccumulatedCpiCriteriaForPastThreeYearsForImplementingInflationAdjustmentProcedure
817 Accumulated CPI variation for first year after inflation adjustment effective Concept (Percent) For Period teo:AccumulatedCpiVariationForFirstYearAfterInflationAdjustmentEffective
818 Accumulated CPI variation for second year after inflation adjustment effective Concept (Percent) For Period teo:AccumulatedCpiVariationForSecondYearAfterInflationAdjustmentEffective
819 Accumulated CPI variation for third year after inflation adjustment effective Concept (Percent) For Period teo:AccumulatedCpiVariationForThirdYearAfterInflationAdjustmentEffective
820 Effective internal tax rate, mobile telephone services Concept (Percent) For Period teo:EffectiveInternalTaxRateMobileTelephoneServices
821 Effective internal tax rate, sale of mobile phones and other wireless networks that will decrease gradually until its complete phase out as of January 1, 2024 Concept (Percent) For Period teo:EffectiveInternalTaxRateSaleOfImportedMobilePhonesAndOtherWirelessNetworks
822 Effective internal tax rate, goods manufacture in Tierra del Fuego Concept (Percent) For Period teo:EffectiveInternalTaxRateSaleOfGoodsManufacturedInTierraDelFuego
823 Annual reduction in tax on deposits to and withdrawals from bank accounts Concept (Percent) For Period teo:TaxRateBankAccountDepositsAndWithdrawalsAnnualReduction
824 Tax on bank account deposits and withdrawals considered as advance payment for percentage of tax originated Concept (Percent) For Period teo:TaxOnBankAccountDepositsAndWithdrawalsConsideredAsAdvancePaymentForPercentageOfTaxOriginated
825 Tax credit percentage for operations taxed at reduced rate Concept (Percent) For Period teo:TaxCreditPercentageForOperationsTaxedAtReducedRate
826 Percentage of employers' contributions Concept (Percent) For Period teo:SocialSecurityTaxEmployerContributionsPercentage
827 Social security, non-taxable base Concept (Monetary) For Period Debit teo:SocialSecurityEmployersContributionBase
828 Maximum percentage of export duty chargeable on services exported to abroad Concept (Percent) For Period teo:MaximumPercentageOfExportDutiesChargeableOnServicesExportedToAbroad
829 Percentage of export duty on services exported to abroad Concept (Percent) For Period teo:ExportDutyPercentageOnServicesExportedToAbroad
830 The maximum limit for each dollar of taxable value of said operation payable on a monthly basis Concept (Monetary) For Period Credit teo:MaximumLimitOnEachDollarOfTaxableValueOfExportOperationsPayableOnMonthlyBasis
831 Turnover Tax, communications rate Concept (Percent) For Period teo:TurnoverTaxRateCommunications
832 Turnover Tax, mobile telephone rate Concept (Percent) For Period teo:TurnoverTaxRateMobileTelephonePercentage
833 Stamp Tax rate percentage Concept (Percent) For Period teo:StampTaxRatePercentage
834 40309 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Adoption of IFRS 15 (Revenue from Contracts with Customers) (Details) Network

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835 Disclosure of expected impact of initial application of new standards or interpretations [table] Table

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836 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
837 Equity [member] Member ifrs-full:EquityMember
838 Equity attributable to Controlling Company Member ifrs-full:EquityAttributableToOwnersOfParentMember
839 Equity attributable to non-controlling interest Member ifrs-full:NoncontrollingInterestsMember
840 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
841 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
842 Telecom Argentina Member srt:ParentCompanyMember
843 New IFRSs [axis] Axis ifrs-full:NewIFRSsAxis
844 New IFRSs [member] Member ifrs-full:NewIFRSsMember
845 Adoption of IFRS 15 Member ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
846 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
847 Products and services [member] Member ifrs-full:ProductsAndServicesMember
848 Equipment Member teo:IfrsEquipmentMember
849 Services Member teo:ServicesMember
850 Adoption of IFRS 15 (Revenue from Contracts with Customers) LineItems ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
851 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
852 Contractual assets Concept (Monetary) As Of Debit ifrs-full:ContractAssets
853 Total deferred income tax liabilities, net Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
854 Revenues Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
855 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
856 Basic and diluted (in dollars per share) Concept (Share) For Period ifrs-full:BasicAndDilutedEarningsLossPerShare
857 Retained earnings, before income tax Concept (Monetary) As Of Credit teo:RetainedEarningsBeforeIncomeTax
858 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
859 Cost of equipment and handsets Concept (Monetary) For Period Debit teo:CostOfEquipmentAndHandsetPurchases
860 Amortization of equipment and handsets Concept (Monetary) For Period Debit teo:AmortizationOfEquipmentAndHandsets
861 Income (loss) before tax on adoption of IFRS 15 on equipment and handsets Concept (Monetary) For Period Credit teo:IncomeLossBeforeTaxOnAdoptionOfIfrs15OnEquipmentAndHandsets
862 Tax expense (benefit) on adoption of IFRS 15 on equipment and handsets Concept (Monetary) For Period Debit teo:TaxExpenseBenefitOnAdoptionOfIfrs15OnEquipmentAndHandsets
863 Income (loss), net of tax on adoption of IFRS 15 on equipment and handsets Concept (Monetary) For Period Credit teo:IncomeLossNetOfTaxOnAdoptionOfIfrs15OnEquipmentAndHandsets
864 40310 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Adoption of the Amendments to IFRS 9 Financial Instruments (Details) Network

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865 Disclosure of expected impact of initial application of new standards or interpretations [table] Table

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866 New IFRSs [axis] Axis ifrs-full:NewIFRSsAxis
867 New IFRSs [member] Member ifrs-full:NewIFRSsMember
868 IFRS 9 Member teo:IncreaseDecreaseDueToApplicationOfIfrs9Member
869 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
870 Equity [member] Member ifrs-full:EquityMember
871 Equity attributable to Controlling Company Member ifrs-full:EquityAttributableToOwnersOfParentMember
872 Equity attributable to non-controlling interest Member ifrs-full:NoncontrollingInterestsMember
873 Legal Entity [Axis] Axis dei:LegalEntityAxis
874 Entity [Domain] Member dei:EntityDomain
875 Cablevision Holding S.A. Member teo:CablevisionHoldingMember
876 Statement LineItems ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
877 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
878 Increase in allowance of credit losses Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInAllowanceAccountForCreditLossesOfFinancialAssets
879 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
880 Bad debt expenses Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLossTradeReceivables
881 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
882 Basic and diluted (in dollars per share) Concept (Share) For Period ifrs-full:BasicAndDilutedEarningsLossPerShare
883 40311 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Use of Estimates (Details) Network

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884 Disclosure of changes in accounting estimates [table] Table

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885 Assets and liabilities [axis] Axis ifrs-full:AssetsAndLiabilitiesAxis
886 Assets and liabilities [member] Member ifrs-full:AssetsAndLiabilitiesMember
887 Intangible assets Member ifrs-full:IntangibleAssetsAndGoodwillMember
888 Non-current receivables Member teo:NonCurrentTradeReceivablesMember
889 Trade receivables Member ifrs-full:TradeReceivablesMember
890 Financial Debt Member teo:IfrsLoansPayableMember
891 Currency [Axis] Axis srt:CurrencyAxis
892 All Currencies [Domain] Member currency:AllCurrenciesDomain
893 U.S. dollars Member currency:USD
894 Guaranies Member currency:PYG
895 Range [axis] Axis ifrs-full:RangeAxis
896 Ranges [member] Member ifrs-full:RangesMember
897 Minimum Member ifrs-full:BottomOfRangeMember
898 Maximum Member ifrs-full:TopOfRangeMember
899 Receivables and payables valued at amortized cost LineItems ifrs-full:DisclosureOfChangesInAccountingEstimatesLineItems
900 Discount rates used to determine the discounted cash flow Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
901 40312 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - New Standards and Interpretations issued by the IASB not in force (Details) Network

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902 Disclosure of expected impact of initial application of new standards or interpretations [table] Table

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903 New IFRSs [axis] Axis ifrs-full:NewIFRSsAxis
904 New IFRSs [member] Member ifrs-full:NewIFRSsMember
905 IFRS 16 Member teo:IncreaseDecreaseDueToApplicationOfIfrs16Member
906 Statement LineItems ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
907 Rights of use assets Concept (Monetary) As Of Debit ifrs-full:RightofuseAssets
908 Current and non-current trade payables Concept (Monetary) As Of Credit ifrs-full:LeaseLiabilities
909 Operating leases Concept (Monetary) For Period Debit teo:OperatingLeaseExpenses
910 Amortization expense Concept (Monetary) For Period Debit ifrs-full:AmortisationExpense
911 Financial expenses Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
912 40401 - Disclosure - ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES - Merger of Cablevision (Details) Network

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913 Disclosure of detailed information about business combination [table] Table

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914 Legal Entity [Axis] Axis dei:LegalEntityAxis
915 Entity [Domain] Member dei:EntityDomain
916 Cablevision Holding S.A. Member teo:CablevisionHoldingMember
917 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
918 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
919 Cablevision S.A. Member teo:CablevisionSaMember
920 Telecom Argentina Member teo:TelecomArgentinaS.a.Member
921 VLG S.A.U Member teo:VlgS.a.uMember
922 Fintech Telecom Member teo:FintechTelecomLLCMember
923 Cablevision Holding S.A. Member teo:CablevisionHoldingMember
924 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
925 Counterparties [member] Member ifrs-full:CounterpartiesMember
926 Fintech Advisory Inc. Member teo:FintechAdvisoryIncMember
927 Range [axis] Axis ifrs-full:RangeAxis
928 Ranges [member] Member ifrs-full:RangesMember
929 Maximum Member ifrs-full:TopOfRangeMember
930 Classes of ordinary shares [axis] Axis ifrs-full:ClassesOfOrdinarySharesAxis
931 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
932 Class A Shares Member teo:ClassaSharesMember
933 Class B shares Member teo:ClassBSharesMember
934 Class C shares Member teo:ClassCSharesMember
935 Class D shares Member teo:ClassDSharesMember
936 Disclosure of detailed information about business combination [line items] LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
937 Shares issued or transferred (in shares) Concept (Decimal) As Of ifrs-full:NumberOfInstrumentsOrInterestsIssuedOrIssuable
938 Percentage of interest on stake Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
939 Capital stock post-merger (as a percent) Concept (Percent) As Of teo:PercentageOfCapitalStockPostMerger
940 Total purchase price Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
941 Term for exercise of option (in years) Concept (xbrli:durationItemType) For Period teo:TermForExerciseOfOption
942 Term for payment of option premium (in days) Concept (xbrli:durationItemType) For Period teo:TermForPaymentOfOptionPremium
943 Option premium Concept (Monetary) For Period Debit teo:OptionPremium
944 Conversion of ordinary shares Concept (Shares) For Period teo:ConversionOfOrdinarySharesClassification
945 Shares issued upon merger (in shares) Concept (Shares) For Period us-gaap:StockIssuedDuringPeriodSharesAcquisitions
946 Outstanding Shares (in shares) Concept (Shares) As Of us-gaap:SharesOutstanding
947 Treasury shares Concept (Shares) As Of teo:IfrsTreasuryStockShares
948 Total Capital Stock (in shares) Concept (Shares) As Of teo:CapitalStockOutstandingTotal
949 Number of residential subscriber of internet service Concept (Integer) As Of teo:NumberOfInterestServiceResidentialSubscribers
950 40402 - Disclosure - ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES - Specific matters relating to the merger between Telecom Argentina and Cablevisin (Details) Network

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951 Disclosure of detailed information about business combination [table] Table

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952 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
953 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
954 Adesol Member teo:AdesolMember
955 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
956 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
957 Cablevision S.A. Member teo:CablevisionSaMember
958 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
959 Intangible assets Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
960 Licences Member ifrs-full:LicencesMember
961 Building and Automobile Member teo:BuildingAndAutomobileMember
962 Customer relationships Member ifrs-full:CustomerrelatedIntangibleAssetsMember
963 Brands Member ifrs-full:BrandNamesMember
964 Range [axis] Axis ifrs-full:RangeAxis
965 Ranges [member] Member ifrs-full:RangesMember
966 Minimum Member ifrs-full:BottomOfRangeMember
967 Maximum Member ifrs-full:TopOfRangeMember
968 Disclosure of detailed information about business combination [line items] LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
969 Consideration paid, fair value of shares issued Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
970 ADR Price (in dollars per ADR) Concept (Share) For Period teo:SharePricePerAdr
971 Number of ADRs outstanding Concept (Decimal) As Of ifrs-full:NumberOfInstrumentsOrInterestsIssuedOrIssuable
972 Net identifiable assets Concept (Monetary) As Of Debit ifrs-full:IdentifiableAssetsAcquiredLiabilitiesAssumed
973 Non-controlling interest in acquiree recognised Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate
974 Goodwill recognised as of acquisition date Concept (Monetary) As Of Debit ifrs-full:GoodwillRecognisedAsOfAcquisitionDate
975 Merger contribution surplus Concept (Monetary) As Of Credit teo:MergerContributionSurplus
976 Fair value of property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate
977 Fair value adjustment allocated to property, plant and equipment Concept (Monetary) For Period Debit teo:FairValueAdjustmentAllocatedToPropertyPlantAndEquipment
978 Fair value of intangible assets Concept (Monetary) As Of Debit ifrs-full:IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate
979 Fair value adjustment allocated to intangible assets Concept (Monetary) For Period Debit teo:FairValueAdjustmentAllocatedToIdentifiableIntangibleAssets
980 Deferred income tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssetsRecognisedAsOfAcquisitionDate
981 Deferred income tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate
982 Weighted statutory income tax rate (*) Concept (Percent) For Period ifrs-full:ApplicableTaxRate
983 40403 - Disclosure - ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES - Merger of Cablevision, Assets acquired and liabilities assumed and purchase price allocation impact (Details) Network

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984 Disclosure of detailed information about business combination [table] Table

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 ifrs-full:DisclosureOfBusinessCombinationsTable
985 Legal Entity [Axis] Axis dei:LegalEntityAxis
986 Entity [Domain] Member dei:EntityDomain
987 Cablevision Holding S.A. Member teo:CablevisionHoldingMember
988 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
989 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
990 Telecom Argentina Member teo:TelecomArgentinaS.a.Member
991 Business Combination Adjustment [Axis] Axis teo:BusinessCombinationAdjustmentAxis
992 Business Combination Adjustment [Domain] Member teo:BusinessCombinationAdjustmentDomain
993 Impact of Purchase Price Allocation in Income Statement Member teo:ImpactOfPurchasePriceAllocationInIncomeStatementMember
994 ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
995 Net identifiable assets acquired Abstract ifrs-full:AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract
996 ASSETS Abstract teo:AssetsRecognizedAsOfAcquisitionDateAbstract
997 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsRecognisedAsOfAcquisitionDate
998 Trade receivables Concept (Monetary) As Of Debit teo:ReceivablesRecognizedAsOfAcquisitionDate
999 Other current assets Concept (Monetary) As Of Debit teo:OtherCurrentAssetsRecognizedAsOfAcquisitionDate
1000 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssetsRecognisedAsOfAcquisitionDate
1001 Deferred income tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssetsRecognisedAsOfAcquisitionDate
1002 Investments Concept (Monetary) As Of Debit teo:InvestmentsRecognizedAsOfAcquisitionDate
1003 Goodwill Concept (Monetary) As Of Debit ifrs-full:GoodwillRecognisedAsOfAcquisitionDate
1004 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate
1005 Intangible assets acquired Concept (Monetary) As Of Debit ifrs-full:IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate
1006 Other Non-current assets Concept (Monetary) As Of Debit teo:OtherNonCurrentAssetsRecognisedAsOfAcquisitionDate
1007 Total non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsRecognisedAsOfAcquisitionDate
1008 TOTAL ASSETS Concept (Monetary) As Of Debit teo:AssetsRecognizedAsOfAcquisitionDate
1009 LIABILITIES Abstract teo:LiabilitiesRecognizedAsOfAcquisitionDateAbstract
1010 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilitiesRecognisedAsOfAcquisitionDate
1011 Deferred income tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate
1012 Other non-current liabilities Concept (Monetary) As Of Credit teo:OtherNonCurrentLiabilitiesRecognisedAsOfAcquisitionDate
1013 Total non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilitiesRecognisedAsOfAcquisitionDate
1014 TOTAL LIABILITIES Concept (Monetary) As Of Credit teo:LiabilitiesRecognizedAsOfAcquisitionDate
1015 Capital nominal value - Outstanding shares Concept (Monetary) As Of Credit teo:CapitalNominalValueOfOutstandingSharesRecognizedAsOfAcquisitionDate
1016 Inflation adjustment - Outstanding shares Concept (Monetary) As Of Credit teo:InflationAdjustmentOfOutstandingSharesRecognizedAsOfAcquisitionDate
1017 Capital nominal value - Treasury shares Concept (Monetary) As Of Credit teo:CapitalNominalValueOfTreasurySharesRecognizedAsOfAcquisitionDate
1018 Inflation adjustment - Treasury shares Concept (Monetary) As Of Credit teo:InflationAdjustmentOfTreasurySharesRecognizedAsOfAcquisitionDate
1019 Treasury shares acquisition cost Concept (Monetary) As Of Debit teo:TreasurySharesAcquisitionCostRecognizedAsOfAcquisitionDate
1020 Contributed Surplus Concept (Monetary) As Of Credit teo:ContributedSurplusRecognizedAsOfAcquisitionDate
1021 Legal reserve Concept (Monetary) As Of Credit teo:LegalReserveRecognizedAsOfAcquisitionDate
1022 Special reserve for IFRS implementation Concept (Monetary) As Of Credit teo:SpecialReserveForIfrsImplementationRecognizedAsOfAcquisitionDate
1023 Voluntary reserve for capital investments Concept (Monetary) As Of Credit teo:VoluntaryReserveForCapitalInvestmentsRecognizedAsOfAcquisitionDate
1024 Reserve for future investments Concept (Monetary) As Of Credit teo:ReserveForFutureInvestmentsRecognizedAsOfAcquisitionDate
1025 Retained earnings Concept (Monetary) As Of Credit teo:RetainedEarningsRecognizedAsOfAcquisitionDate
1026 Equity Attributable to Telecom Argentina Concept (Monetary) As Of Credit teo:EquityAttributableToParentRecognizedAsOfAcquisitionDate
1027 Noncontrolling interest Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate
1028 TOTAL EQUITY Concept (Monetary) As Of Credit teo:EquityAttributableToParentIncludingNonControllingInterestRecognizedAsOfAcquisitionDate
1029 TOTAL LIABILITIES AND EQUITY Concept (Monetary) As Of Credit teo:LiabilitiesAndEquityRecognizedAsOfAcquisitionDate
1030 Impact of the purchase price allocation recognized in the consolidated results Abstract teo:ImpactOfPurchasePriceAllocationInIncomeStatementAbstract
1031 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
1032 Operating costs without depreciation and amortization Concept (Monetary) For Period Debit teo:OperatingExpenseExcludingDepreciationAndAmortization
1033 Depreciation, amortization and impairment of PP&E and Intangible assets Concept (Monetary) For Period Debit ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
1034 Operating loss Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
1035 Financial results, net Concept (Monetary) For Period Credit teo:FinancialResultsNet
1036 Income before income tax benefit (expense) Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1037 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1038 Profit (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1039 Controlling Company Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1040 Non-controlling interest Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
1041 Revenues of acquiree Concept (Monetary) For Period Credit ifrs-full:RevenueOfAcquiree
1042 40404 - Disclosure - ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES - Acquisition of Nextel (Details) Network

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1043 Disclosure of detailed information about business combination [table] Table

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1044 Legal Entity [Axis] Axis dei:LegalEntityAxis
1045 Entity [Domain] Member dei:EntityDomain
1046 Cablevision Holding S.A. Member teo:CablevisionHoldingMember
1047 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1048 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1049 Nextel Member teo:NextelMember
1050 Television Dirigida S.A. Member teo:TelevisionDirigidaS.a.Member
1051 Nextel and Subsidiary Television Dirigida S.A. Member teo:NextelAndSubsidiaryTelevisionDirigidaS.a.Member
1052 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1053 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1054 Pem Member teo:PemS.a.Member
1055 ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
1056 Acquisition percentage Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
1057 Total purchase price Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
1058 Additional amount Concept (Monetary) As Of Credit teo:AdditionalConsiderationUponFulfillmentOfCertainCondition
1059 Payment of purchase consideration Concept (Monetary) For Period Credit ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
1060 Guarantee fund to cover potential liabilities Concept (Monetary) As Of Credit teo:GuaranteeFundToCoverPotentialLiabilities
1061 Payment of additional consideration Concept (Monetary) For Period Credit teo:PaymentOfAdditionalConsideration
1062 Shares issued or transferred (in shares) Concept (Decimal) As Of ifrs-full:NumberOfInstrumentsOrInterestsIssuedOrIssuable
1063 Nominal value (in pesos per share) Concept (Share) As Of ifrs-full:ParValuePerShare
1064 Number of vote per membership interest Concept (Integer) As Of teo:NumberOfVotesPerMembershipInterestAcquired
1065 Membership interest of capital stock (as a percent) Concept (Percent) As Of teo:PercentageOfMembershipInterestOfTotalCapitalStock
1066 40405 - Disclosure - ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES - Acquisition of companies, holders of radioelectric spectrum (Details) Network

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 http://www.telecom.com.ar/role/DisclosureAcquisitionOfCompaniesAndCorporateReorganizationProcessesAcquisitionOfCompaniesHoldersOfRadioelectricSpectrumDetails
1067 Disclosure of detailed information about business combination [table] Table

*

*

 ifrs-full:DisclosureOfBusinessCombinationsTable
1068 Legal Entity [Axis] Axis dei:LegalEntityAxis
1069 Entity [Domain] Member dei:EntityDomain
1070 Cablevision and Nextel Member teo:CablevisionAndNextelMember
1071 Cablevision Holding S.A. Member teo:CablevisionHoldingMember
1072 Nextel Member teo:NextelMember
1073 Fibercomm S.A. and Gridley Investments S.A. Member teo:FibercommS.a.AndGridleyInvestmentsS.a.Member
1074 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1075 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1076 Fibercomm S.A. and Gridley Investments S.A. Member teo:FibercommS.a.AndGridleyInvestmentsS.a.Member
1077 WX Telecommunications LLC and Greenmax Telecommunications LLC Member teo:WxTelecommunicationsLlcAndGreenmaxTelecommunicationsLlcMember
1078 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1079 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1080 Trixco S.A. Member teo:TrixcoS.a.Member
1081 ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
1082 Acquisition percentage Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
1083 Total purchase price Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
1084 Acquisition cost allocation (as a percent) Concept (Percent) For Period teo:PercentageOfAcquisitionCostAllocation
1085 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
1086 40406 - Disclosure - ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES - Corporate Reorganization - Redemption of shares of Sofora (Details) Network

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 http://www.telecom.com.ar/role/DisclosureAcquisitionOfCompaniesAndCorporateReorganizationProcessesCorporateReorganizationRedemptionOfSharesOfSoforaDetails
1087 Disclosure of detailed information about business combination [table] Table

*

*

 ifrs-full:DisclosureOfBusinessCombinationsTable
1088 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1089 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1090 Sofora Member teo:SoforaTelecomunicacionesS.a.Member
1091 Legal Entity [Axis] Axis dei:LegalEntityAxis
1092 Entity [Domain] Member dei:EntityDomain
1093 WAI Member teo:WDeArgentinaInversionesS.a.Member
1094 ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
1095 Number of tranches for redemption of shares Concept (Integer) For Period teo:NumberOfTranchesForRedemptionOfShares
1096 Number of shares redeemed Concept (Shares) As Of teo:RedemptionOfShares
1097 Payment for shares redeemed Concept (Monetary) For Period Credit teo:PaymentForRedemptionOfShares
1098 Number of tranches for issuance of dividend certificate Concept (Integer) For Period teo:NumberOfTranchesForIssuanceOfDividendCertificate
1099 Dividend payable Concept (Monetary) As Of Credit teo:DividendForDividendCertificatesIssuedInLieuOfShareRedemption
1100 Increase in amount of dividend per annum (as a percent) Concept (Percent) As Of teo:PercentageOfIncreaseInAmountOfDividendPerAnnum
1101 Redemption period from date of issuance of bond (in months) Concept (xbrli:durationItemType) For Period teo:TermOfRedemptionFromDateOfIssuanceOfBond
1102 Payment of bond value at the time of issuance (as a percent) Concept (Percent) As Of teo:PercentageOfPaymentOfBondValueAtTimeOfIssuance
1103 40407 - Disclosure - ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES - Corporate Reorganization of the Telecom Group (Details) Network

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 http://www.telecom.com.ar/role/DisclosureAcquisitionOfCompaniesAndCorporateReorganizationProcessesCorporateReorganizationOfTelecomGroupDetails
1104 Disclosure of detailed information about business combination [table] Table

*

*

 ifrs-full:DisclosureOfBusinessCombinationsTable
1105 Classes of ordinary shares [axis] Axis ifrs-full:ClassesOfOrdinarySharesAxis
1106 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
1107 Class A Shares Member teo:ClassaSharesMember
1108 Class B shares Member teo:ClassBSharesMember
1109 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
1110 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1111 Telecom Argentina Member srt:ParentCompanyMember
1112 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1113 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1114 Sofora Member teo:SoforaTelecomunicacionesS.a.Member
1115 Legal Entity [Axis] Axis dei:LegalEntityAxis
1116 Entity [Domain] Member dei:EntityDomain
1117 WAI Member teo:WDeArgentinaInversionesS.a.Member
1118 ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
1119 Number of shares to be converted Concept (Shares) As Of teo:NumberOfSharesForConversion
1120 Nominal value (in pesos per share) Concept (Share) As Of ifrs-full:ParValuePerShare
1121 Number of vote per share Concept (Integer) As Of teo:NumberOfVotesPerMembershipInterestAcquired
1122 Number of converted shares to be issued to Class B Preferred Shareholders Concept (Shares) As Of teo:NumberOfConvertedSharesToBeIssuedToClassBPreferredShareholders
1123 Shares owned of capital stock (as a percent) Concept (Percent) As Of teo:PercentageOfSharesOwnedOfTotalCapitalStock
1124 40501 - Disclosure - CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS - Cash and cash equivalents and Investments (Details) Network

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 http://www.telecom.com.ar/role/DisclosureCashAndCashEquivalentsAndInvestmentsAdditionalInformationOnConsolidatedStatementsOfCashFlowsCashAndCashEquivalentsAndInvestmentsDetails
1125 Disclosure of Cash, Cash Equivalents and Investments [Table] Table

*

*

 teo:DisclosureOfCashCashEquivalentsAndInvestmentsTable
1126 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1127 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1128 Government bonds Member teo:GovernmentBondsMember
1129 Government bonds at amortized cost Member teo:GovernmentBondsAtAmortizedCostMember
1130 Mutual funds Member teo:MutualFundsMember
1131 Other investments at amortized cost Member teo:OtherInvestmentsAtAmortizedCostMember
1132 Investments in associates Member teo:InvestmentsInAssociatesMember
1133 2003 Telecommunications Fund Member teo:TelecommunicationsFundMember
1134 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1135 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1136 Financial assets at fair value accounted through profit or loss Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1137 Financial assets at amortized cost Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
1138 CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS LineItems teo:CashCashEquivalentsAndInvestmentsLineItems
1139 Cash and cash equivalents Abstract ifrs-full:CashAndCashEquivalentsAbstract
1140 Cash and Banks Concept (Monetary) As Of Debit ifrs-full:Cash
1141 Time deposits Concept (Monetary) As Of Debit ifrs-full:ShorttermDepositsClassifiedAsCashEquivalents
1142 Mutual funds Concept (Monetary) As Of Debit ifrs-full:ShorttermInvestmentsClassifiedAsCashEquivalents
1143 Other investments at fair value Concept (Monetary) As Of Debit teo:OtherInvestmentsAtFairValue
1144 Total cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1145 Investments Abstract teo:IfrsInvestmentsAbstract
1146 Total current investments Concept (Monetary) As Of Debit ifrs-full:CurrentInvestments
1147 Total non-current investments Concept (Monetary) As Of Debit ifrs-full:NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1148 40502 - Disclosure - CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS - Investment and earnings information in associates (Details) Network

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 http://www.telecom.com.ar/role/DisclosureCashAndCashEquivalentsAndInvestmentsAdditionalInformationOnConsolidatedStatementsOfCashFlowsInvestmentAndEarningsInformationInAssociatesDetails
1149 Disclosure of associates [table] Table

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 ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
1150 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
1151 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
1152 Ver T.V. S.A. Member teo:VerT.v.S.a.Member
1153 Teledifusora San Miguel Arcngel S.A. Member teo:TeledifusoraSanMiguelArcangelS.a.Member
1154 La Capital Cable S.A. Member teo:LaCapitalCableS.a.Member
1155 Other minor investments in associates at equity method Member teo:OtherMinorInvestmentsInAssociatesAtEquityMethodMember
1156 Investment in associates LineItems ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems
1157 Percentage of capital stock owned and voting rights Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInAssociate
1158 Investments in associates Concept (Monetary) As Of Debit ifrs-full:InvestmentsInAssociates
1159 Earnings from associates Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
1160 40503 - Disclosure - CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS - Changes in assets/liabilities components (Details) Network

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 http://www.telecom.com.ar/role/DisclosureCashAndCashEquivalentsAndInvestmentsAdditionalInformationOnConsolidatedStatementsOfCashFlowsChangesInAssetsLiabilitiesComponentsDetails
1161 Implied Table Table

*

*

 implied:Table
1162 CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS Abstract teo:CashCashEquivalentsAndInvestmentsAndAdditionalInformationOnStatementOfCashFlowsAbstract
1163 Changes in assets/liabilities components: Abstract teo:ChangesInAssetsLiabilitiesComponentsAbstract
1164 Net decrease (increase) in assets Abstract teo:AdjustmentsForDecreaseIncreaseInAssetsAbstract
1165 Trade receivables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
1166 Other receivables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables
1167 Inventories Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
1168 Total Concept (Monetary) For Period Debit teo:AdjustmentsForDecreaseIncreaseInAssets
1169 Net increase (decrease) in liabilities Abstract teo:AdjustmentsForIncreaseDecreaseInLiabilitiesAbstract
1170 Trade payables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable
1171 Salaries and social security payables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities
1172 Taxes payables Concept (Monetary) For Period Debit teo:AdjustmentsForIncreaseDecreaseInTaxesPayable
1173 Other liabilities and Provisions Concept (Monetary) For Period Debit teo:AdjustmentsForIncreaseDecreaseInOtherLiabilitiesAndProvisions
1174 Total Concept (Monetary) For Period Debit teo:AdjustmentsForIncreaseDecreaseInLiabilities
1175 40504 - Disclosure - CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS - Main non-cash operating transactions (Details) Network

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 http://www.telecom.com.ar/role/DisclosureCashAndCashEquivalentsAndInvestmentsAdditionalInformationOnConsolidatedStatementsOfCashFlowsMainNonCashOperatingTransactionsDetails
1176 Implied Table Table

*

*

 implied:Table
1177 CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS Abstract teo:CashCashEquivalentsAndInvestmentsAndAdditionalInformationOnStatementOfCashFlowsAbstract
1178 Main non-cash operating transactions: Abstract teo:CashFlowNoncashOperatingActivitiesAbstract
1179 Offsetting of dividends receivable with financial debt Concept (Monetary) For Period Debit teo:DividendsReceivableOffsetWithFinancialDebt
1180 40505 - Disclosure - CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS - Main components of financing activities (Details) Network

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 http://www.telecom.com.ar/role/DisclosureCashAndCashEquivalentsAndInvestmentsAdditionalInformationOnConsolidatedStatementsOfCashFlowsMainComponentsOfFinancingActivitiesDetails
1181 Implied Table Table

*

*

 implied:Table
1182 CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS Abstract teo:CashCashEquivalentsAndInvestmentsAndAdditionalInformationOnStatementOfCashFlowsAbstract
1183 Bank overdrafts Concept (Monetary) For Period Debit teo:ProceedsFromBankOverdrafts
1184 Bank loans Concept (Monetary) For Period Debit teo:ProceedsFromBankLoans
1185 Companies under section 33 - Law No. 19,550 and related parties Concept (Monetary) For Period Debit teo:CashInflowsFromCompaniesUnderSection33AndRelatedParties
1186 Total financial debt proceeds Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
1187 Notes Concept (Monetary) For Period Credit teo:RepaymentsOfNonCurrentNotes
1188 Bank loans Concept (Monetary) For Period Credit teo:RepaymentsOfBankLoans
1189 By purchase of equipment Concept (Monetary) For Period Credit teo:CashOutflowsFromPurchaseOfEquipment
1190 Companies under section 33 - Law No. 19,550 and related parties Concept (Monetary) For Period Credit teo:CashOutflowsFromCompaniesUnderSection33AndRelatedParties
1191 Total payment of debt Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
1192 Bank overdrafts Concept (Monetary) For Period Credit teo:PaymentOfInterestAndRelatedExpensesOnBankOverdrafts
1193 Notes - Interests and related expenses Concept (Monetary) For Period Credit teo:PaymentOfInterestOnNotesAndRelatedExpenses
1194 Bank loans - Interests and related expenses Concept (Monetary) For Period Credit teo:PaymentOfInterestOnBankLoansAndRelatedExpenses
1195 By NDF, purchase of equipment and others Concept (Monetary) For Period Credit teo:PaymentOfInterestOnNondeliverableForwards
1196 Companies under section 33 - Law No. 19,550 and related parties Concept (Monetary) For Period Credit teo:PaymentToCompaniesUnderSection33AndRelatedParties
1197 Total payment of interest and related expenses Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsFinancingActivities
1198 40506 - Disclosure - CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS - Cash dividends (Details) Network

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 http://www.telecom.com.ar/role/DisclosureCashAndCashEquivalentsAndInvestmentsAdditionalInformationOnConsolidatedStatementsOfCashFlowsCashDividendsDetails
1199 Schedule of Dividends payable and Paid [Table] Table

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*

 teo:ScheduleOfDividendsPayableAndPaidTable
1200 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1201 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1202 Nucleo Member teo:NucleoMember
1203 CV Berazategui Member teo:CvBerazateguiMember
1204 Legal Entity [Axis] Axis dei:LegalEntityAxis
1205 Entity [Domain] Member dei:EntityDomain
1206 Cablevision S.A. Member teo:CablevisionSaMember
1207 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
1208 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
1209 Associates Member ifrs-full:AssociatesMember
1210 Ver T.V. S.A. Member teo:VerT.v.S.a.Member
1211 Teledifusora San Miguel Arcngel S.A. Member teo:TeledifusoraSanMiguelArcangelS.a.Member
1212 La Capital Cable S.A. Member teo:LaCapitalCableS.a.Member
1213 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
1214 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1215 Telecom Argentina Member srt:ParentCompanyMember
1216 Scenario [Axis] Axis us-gaap:StatementScenarioAxis
1217 Scenario, Unspecified [Domain] Member us-gaap:ScenarioUnspecifiedDomain
1218 Current currency Member teo:InflationRestatementMember
1219 Dividends LineItems teo:DisclosureOfDividendsLineItems
1220 Cash dividends Abstract teo:CashDividendsAbstract
1221 Reserve for future cash dividends payments Concept (Monetary) For Period Credit teo:DividendsPaidFromReservesToEquityHoldersOfParentClassifiedAsFinancingActivities
1222 Number of cash dividend distribution installments Concept (Integer) For Period teo:NumberOfCashDividendDistributionInstallments
1223 Cash dividend paid to equityholders of parent Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities
1224 Advance cash dividends paid Concept (Monetary) For Period Credit teo:DividendsPaidInAdvanceToEquityHolders
1225 Interim cash dividends paid Concept (Monetary) For Period Credit teo:DividendsPaidInterimToEquityHoldersOfParent
1226 Dividends declared Concept (Monetary) For Period Debit ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParent
1227 Payment of cash dividend Concept (Monetary) For Period Credit ifrs-full:DividendsPaidClassifiedAsFinancingActivities
1228 Dividends paid Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
1229 Dividends received Concept (Monetary) For Period Debit ifrs-full:DividendsReceived
1230 Dividends approved Concept (Monetary) As Of Credit ifrs-full:DividendPayables
1231 Dividends payable per installment Concept (Monetary) As Of Credit teo:DividendsPayablePerEachInstallment
1232 Offsetting of dividends receivable with financial debt Concept (Monetary) For Period Debit teo:DividendsReceivableOffsetWithFinancialDebt
1233 40507 - Disclosure - CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS - Additional information required by IAS 7 (Details) Network

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 http://www.telecom.com.ar/role/DisclosureCashAndCashEquivalentsAndInvestmentsAdditionalInformationOnConsolidatedStatementsOfCashFlowsAdditionalInformationRequiredByIas7Details
1234 Disclosure of reconciliation of liabilities arising from financing activities [table] Table

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*

 ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable
1235 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1236 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1237 Current and Non-current Borrowings [Member] Member teo:CurrentAndNonCurrentBorrowingsMember
1238 Bank overdrafts Member teo:IfrsBankOverdraftsMember
1239 Bank loans - principal Member teo:BankLoansMember
1240 Notes - principal Member teo:PrincipalDueOnNotesMember
1241 NDF Member teo:NonDeliverableForwardMember
1242 By purchase of equipment Member teo:PurchaseOfEquipmentMember
1243 Companies under sect. 33 - Law No. 19,550 and Related Parties Member teo:CompaniesUnderSection33AndRelatedPartiesMember
1244 Accrued interests and related expenses Member teo:AccruedInterestsAndRelatedExpensesMember
1245 Reconciliation of liabilities generated by financing activities LineItems ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems
1246 Balances as of December 31, 2016 Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
1247 Transfers Concept (Monetary) For Period Credit teo:TransfersInOutOfBorrowings
1248 Cash Flows Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities
1249 Accrued interests Concept (Monetary) For Period Credit teo:InterestAccruedOnBorrowings
1250 Exchange differences and currency translation adjustments Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities
1251 Balances as of December 31, 2017 Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
1252 Proceeds from financial debt Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
1253 Payment of financial debt Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
1254 Payment of interest and related expenses Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsFinancingActivities
1255 40601 - Disclosure - TRADE RECEIVABLES (Details) Network

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 http://www.telecom.com.ar/role/DisclosureTradeReceivablesDetails
1256 Disclosure of Trade Receivables [Table] Table

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*

 teo:DisclosureOfTradeReceivablesTable
1257 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1258 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1259 Gross carrying value Member ifrs-full:GrossCarryingAmountMember
1260 Accumulated impairment Member ifrs-full:AccumulatedImpairmentMember
1261 Trade receivables LineItems teo:DisclosureOfTradeReceivablesLineItems
1262 Current trade receivables Abstract ifrs-full:TradeAndOtherCurrentReceivablesAbstract
1263 Ordinary receivables Concept (Monetary) As Of Debit ifrs-full:CurrentLoansAndReceivables
1264 Contractual asset IFRS 15 Concept (Monetary) As Of Debit ifrs-full:CurrentReceivablesFromContractsWithCustomers
1265 Companies under section 33 - Law No. 19,550 and related parties Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties
1266 Allowance for doubtful accounts Concept (Monetary) As Of Credit teo:AllowanceForDoubtfulAccountsTradeReceivables
1267 Total current trade receivables Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
1268 Non-current trade receivables Abstract ifrs-full:NoncurrentReceivablesAbstract
1269 Ordinary receivables Concept (Monetary) As Of Debit ifrs-full:NoncurrentLoansAndReceivables
1270 Contractual asset IFRS 15 Concept (Monetary) As Of Debit ifrs-full:NoncurrentReceivablesFromContractsWithCustomers
1271 Non-current trade receivables Concept (Monetary) As Of Debit ifrs-full:NoncurrentTradeReceivables
1272 Total trade receivables, net Concept (Monetary) As Of Debit ifrs-full:TradeReceivables
1273 40602 - Disclosure - TRADE RECEIVABLES - Movements in the allowance for current doubtful accounts (Details) Network

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 http://www.telecom.com.ar/role/DisclosureTradeReceivablesMovementsInAllowanceForCurrentDoubtfulAccountsDetails
1274 Disclosure of Trade Receivables [Table] Table

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*

 teo:DisclosureOfTradeReceivablesTable
1275 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1276 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1277 Trade receivables Member ifrs-full:TradeReceivablesMember
1278 Initially applied IFRSs [axis] Axis ifrs-full:InitiallyAppliedIFRSsAxis
1279 Initially applied IFRSs [member] Member ifrs-full:InitiallyAppliedIFRSsMember
1280 IFRS 9 Member teo:IncreaseDecreaseDueToApplicationOfIfrs9Member
1281 Trade receivables LineItems teo:DisclosureOfTradeReceivablesLineItems
1282 At the beginning of the fiscal year Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1283 Retained earnings adjustment Concept (Monetary) For Period Credit teo:AdjustmentRelatingToEffectOfAdoptionOfNewIfrsAccountingPrinciples
1284 Additions -Bad debt expenses Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
1285 Uses and Currency translation adjustments Concept (Monetary) For Period Debit teo:UtilisationAndCurrencyTranslationAdjustmentsAllowanceAccountForCreditLossesOfFinancialAssets
1286 At the end of the year Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1287 40701 - Disclosure - OTHER RECEIVABLES (Details) Network

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 http://www.telecom.com.ar/role/DisclosureOtherReceivablesDetails
1288 Disclosure of Other Receivables [Table] Table

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*

 teo:DisclosureOfOtherReceivablesTable
1289 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1290 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1291 Gross carrying value Member ifrs-full:GrossCarryingAmountMember
1292 Accumulated impairment Member ifrs-full:AccumulatedImpairmentMember
1293 Other receivables LineItems teo:DisclosureOfOtherReceivablesLineItems
1294 Current other receivables Abstract teo:OtherCurrentReceivablesAbstract
1295 Prepaid expenses Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaidExpenses
1296 Tax credits Concept (Monetary) As Of Debit teo:ReceivablesFromTaxCreditsCurrent
1297 Advances to suppliers Concept (Monetary) As Of Debit ifrs-full:CurrentAdvancesToSuppliers
1298 Settlement Pendings accounts Concept (Monetary) As Of Debit teo:ReceivablesFromSettlementPendingsAccountsCurrent
1299 Guarantee deposits Concept (Monetary) As Of Debit teo:ReceivablesFromGuaranteeDepositsCurrent
1300 Expenditure reimbursement Concept (Monetary) As Of Debit teo:ReceivablesFromReimbursementOfExpenditureCurrent
1301 Financial NDF (Note 21) Concept (Monetary) As Of Debit ifrs-full:CurrentDerivativeFinancialAssets
1302 Restricted funds Concept (Monetary) As Of Debit teo:ReceivablesFromRestrictedFundsCurrent
1303 Companies under section 33 - Law No. 19,550 and related parties Concept (Monetary) As Of Debit teo:ReceivablesFromCompaniesUnderSection33AndRelatedParties
1304 Receivables from sale of customer relationship Concept (Monetary) As Of Debit teo:ReceivablesFromSaleOfCustomerRelationshipCurrent
1305 Other Concept (Monetary) As Of Debit teo:OtherCurrentReceivablesOther
1306 Subtotal Concept (Monetary) As Of Debit teo:OtherCurrentReceivablesGross
1307 Allowance for doubtful accounts Concept (Monetary) As Of Credit teo:IfrsAllowanceForDoubtfulAccountsReceivableCurrent
1308 Total Current other receivables Concept (Monetary) As Of Debit ifrs-full:OtherCurrentReceivables
1309 Non-current other receivables Abstract teo:OtherNonCurrentReceivablesAbstract
1310 Prepaid expenses Concept (Monetary) As Of Debit ifrs-full:NoncurrentPrepayments
1311 Advances to suppliers Concept (Monetary) As Of Debit teo:AdvancesToSuppliersNonCurrent
1312 Tax credits Concept (Monetary) As Of Debit teo:ReceivablesFromTaxCreditsNonCurrent
1313 Restricted funds Concept (Monetary) As Of Debit teo:ReceivablesFromRestrictedFundsNonCurrent
1314 Financial NDF (Note 20) Concept (Monetary) As Of Debit teo:NondeliverableForward
1315 Regulatory Credits (Nucleo) Concept (Monetary) As Of Debit teo:ReceivablesFromRegulatoryNonCurrent
1316 Guarantee deposits Concept (Monetary) As Of Debit teo:ReceivablesFromGuaranteeDepositsNonCurrent
1317 Credit indemnity for Tuves Paraguay acquisition Concept (Monetary) As Of Debit teo:CreditOfIndemnityForTuvesParaguayAcquisition
1318 Receivables from sale of customer relationship Concept (Monetary) As Of Debit teo:ReceivablesFromSaleOfCustomerRelationshipNonCurrent
1319 Other Concept (Monetary) As Of Debit teo:OtherNonCurrentReceivablesOther
1320 Subtotal Concept (Monetary) As Of Debit teo:OtherNonCurrentReceivablesGross
1321 Allowance for non-current other receivables Concept (Monetary) As Of Credit teo:IfrsAllowanceForDoubtfulAccountsReceivableNonCurrent
1322 Total Non-current other receivables Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentReceivables
1323 Total other receivables Concept (Monetary) As Of Debit ifrs-full:OtherReceivables
1324 40702 - Disclosure - OTHER RECEIVABLES - Movements in the allowances (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureOtherReceivablesMovementsInAllowancesDetails
1325 Disclosure of Other Receivables [Table] Table

*

*

 teo:DisclosureOfOtherReceivablesTable
1326 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1327 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1328 Other current receivables Member teo:OtherCurrentReceivablesMember
1329 Other non current receivables Member teo:OtherNonCurrentReceivablesMember
1330 Movements in the allowances of other receivables LineItems teo:DisclosureOfOtherReceivablesLineItems
1331 At the beginning of the fiscal year Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1332 Increases Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
1333 Decreases Concept (Monetary) For Period Debit ifrs-full:UtilisationAllowanceAccountForCreditLossesOfFinancialAssets
1334 At the end of the year Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1335 40801 - Disclosure - INVENTORIES (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureInventoriesDetails
1336 Schedule of Inventory Disclosure [Table] Table

*

*

 teo:ScheduleOfInventoryDisclosureTable
1337 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1338 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1339 Gross carrying value Member ifrs-full:GrossCarryingAmountMember
1340 Accumulated impairment Member ifrs-full:AccumulatedImpairmentMember
1341 Type of Inventories [Axis] Axis teo:TypeOfInventoriesAxis
1342 Type of Inventories [Domain] Member teo:TypeOfInventoriesDomain
1343 Mobile handsets and others Member teo:MobileHandsetsAndOthersMember
1344 Radio equipment and others Member teo:RadioEquipmentAndOthersMember
1345 Fixed telephones and equipment Member teo:FixedTelephonesAndEquipmentMember
1346 Inventories for construction projects Member teo:InventoriesForConstructionProjectsMember
1347 Inventories and allowance for obsolescence of inventories LineItems teo:ScheduleOfInventoryDisclosureLineItems
1348 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
1349 40802 - Disclosure - INVENTORIES - Movements in the allowance for obsolescence of inventories (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureInventoriesMovementsInAllowanceForObsolescenceOfInventoriesDetails
1350 Schedule of Inventory Disclosure [Table] Table

*

*

 teo:ScheduleOfInventoryDisclosureTable
1351 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1352 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1353 Accumulated impairment Member ifrs-full:AccumulatedImpairmentMember
1354 Movements in the allowance for obsolescence of inventories LineItems teo:ScheduleOfInventoryDisclosureLineItems
1355 At the beginning of the year Concept (Monetary) As Of Debit ifrs-full:Inventories
1356 Additions Concept (Monetary) For Period ifrs-full:InventoryWritedown2011
1357 Decreases Concept (Monetary) For Period Credit teo:UtilisationOfAllowanceForObsolescenceOfInventory
1358 At the end of the year Concept (Monetary) As Of Debit ifrs-full:Inventories
1359 40901 - Disclosure - GOODWILL (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureGoodwillDetails
1360 Disclosure of reconciliation of changes in goodwill [table] Table

*

*

 ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillTable
1361 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1362 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1363 Argentina Member country:AR
1364 Uruguay Member country:UY
1365 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1366 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1367 Merger between Telecom and Cablevision, Cablevision, Tuves Paraguay Member teo:MergerBetweenTelecomAndCablevisionCablevisionTuvesParaguayMember
1368 Merger between Telecom and Cablevision Member teo:MergerBetweenTelecomAndCablevisionMember
1369 Cablevision Member teo:CablevisionMember
1370 Tuves Paraguay Member teo:TuvesParaguayMember
1371 Goodwill LineItems ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillLineItems
1372 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
1373 41001 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Property, plant and equipment, Net (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosurePropertyPlantAndEquipmentPropertyPlantAndEquipmentNetDetails
1374 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1375 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1376 PP&E Member ifrs-full:PropertyPlantAndEquipmentMember
1377 PP&E Member teo:PropertyPlantAndEquipmentWithoutMaterialsMember
1378 Other Member ifrs-full:OtherPropertyPlantAndEquipmentMember
1379 Materials Member teo:MaterialsMember
1380 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1381 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1382 Gross carrying value Member ifrs-full:GrossCarryingAmountMember
1383 Gross Carrying Amount, Net of allowances and impairment Member teo:GrossCarryingAmountNetOfAccumulatedDepreciationMember
1384 Accumulated impairment Member ifrs-full:AccumulatedImpairmentMember
1385 Property, plant and equipment LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1386 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1387 41002 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Movements for materials and PP&E (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosurePropertyPlantAndEquipmentMovementsForMaterialsAndPpEDetails
1388 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1389 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1390 PP&E Member ifrs-full:PropertyPlantAndEquipmentMember
1391 Materials Member teo:MaterialsMember
1392 PP&E Member teo:PropertyPlantAndEquipmentWithoutMaterialsMember
1393 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1394 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1395 Accumulated impairment Member ifrs-full:AccumulatedImpairmentMember
1396 Property, plant and equipment LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1397 Movements in impairment of materials and PP&E Abstract teo:ReconciliationOfChangesInImpairmentPropertyPlantAndEquipmentAbstract
1398 Property, plant and equipment at beginning of year Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1399 Additions Concept (Monetary) For Period Debit teo:DisposalAndImpairmentOfPropertyPlantAndEquipment
1400 Property, plant and equipment at end of year Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1401 41003 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Property, plant and equipment - Gross (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosurePropertyPlantAndEquipmentPropertyPlantAndEquipmentGrossDetails
1402 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1403 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1404 PP&E Member ifrs-full:PropertyPlantAndEquipmentMember
1405 PP&E Member teo:PropertyPlantAndEquipmentWithoutMaterialsMember
1406 Real estate Member teo:IfrsRealEstateMember
1407 Switching equipment Member teo:SwitchingEquipmentMember
1408 Fixed network and transportation Member teo:FixedNetworkAndTransportationMember
1409 Mobile network access Member teo:MobileNetworkAccessMember
1410 Tower and pole Member teo:TowerAndPoleMember
1411 Power equipment and Installations Member teo:PowerEquipmentAndInstallationsMember
1412 Computer equipment Member ifrs-full:ComputerEquipmentMember
1413 Goods lent to customers at no cost Member teo:GoodsLentToCustomersAtNoCostMember
1414 Vehicles Member ifrs-full:VehiclesMember
1415 Machinery, diverse equipment and tools Member teo:MachineryDiverseEquipmentAndToolsMember
1416 Other Member ifrs-full:OtherPropertyPlantAndEquipmentMember
1417 Construction in progress Member ifrs-full:ConstructionInProgressMember
1418 Materials Member teo:MaterialsMember
1419 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1420 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1421 Gross carrying value Member ifrs-full:GrossCarryingAmountMember
1422 Detailed information about property, plant and equipment LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1423 Reconciliation of changes in property, plant and equipment Abstract ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract
1424 Property, plant and equipment at beginning of year Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1425 Incorporation by merger Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
1426 CAPEX Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1427 Currency translation adjustments Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
1428 Transfers and reclassifications Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment
1429 Decreases Concept (Monetary) For Period Credit ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment
1430 Property, plant and equipment at end of year Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1431 41004 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Property, plant and equipment - Accumulated Depreciation (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosurePropertyPlantAndEquipmentPropertyPlantAndEquipmentAccumulatedDepreciationDetails
1432 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1433 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1434 PP&E Member ifrs-full:PropertyPlantAndEquipmentMember
1435 PP&E Member teo:PropertyPlantAndEquipmentWithoutMaterialsMember
1436 Real estate Member teo:IfrsRealEstateMember
1437 Switching equipment Member teo:SwitchingEquipmentMember
1438 Fixed network and transportation Member teo:FixedNetworkAndTransportationMember
1439 Mobile network access Member teo:MobileNetworkAccessMember
1440 Tower and pole Member teo:TowerAndPoleMember
1441 Power equipment and Installations Member teo:PowerEquipmentAndInstallationsMember
1442 Computer equipment Member ifrs-full:ComputerEquipmentMember
1443 Goods lent to customers at no cost Member teo:GoodsLentToCustomersAtNoCostMember
1444 Vehicles Member ifrs-full:VehiclesMember
1445 Machinery, diverse equipment and tools Member teo:MachineryDiverseEquipmentAndToolsMember
1446 Other Member ifrs-full:OtherPropertyPlantAndEquipmentMember
1447 Construction in progress Member ifrs-full:ConstructionInProgressMember
1448 Materials Member teo:MaterialsMember
1449 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1450 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1451 Accumulated depreciation and amortization Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
1452 Gross Carrying Amount, Net of allowances and impairment Member teo:GrossCarryingAmountNetOfAccumulatedDepreciationMember
1453 Detailed information about property, plant and equipment LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1454 Reconciliation of changes in property, plant and equipment Abstract ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract
1455 Property, plant and equipment at beginning of year Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1456 Depreciation Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
1457 Currency translation adjustments Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
1458 Transfers and reclassifications Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment
1459 Property, plant and equipment at end of year Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1460 41101 - Disclosure - INTANGIBLE ASSETS (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureIntangibleAssetsDetails
1461 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
1462 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1463 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1464 Net carrying value before impairment Member teo:CarryingAmountAfterAccumulatedAmortisationMember
1465 Accumulated impairment Member ifrs-full:AccumulatedImpairmentMember
1466 Intangible assets LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
1467 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1468 41102 - Disclosure - INTANGIBLE ASSETS - Movements in impairment of Intangible assets (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureIntangibleAssetsMovementsInImpairmentOfIntangibleAssetsDetails
1469 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
1470 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1471 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1472 Accumulated impairment Member ifrs-full:AccumulatedImpairmentMember
1473 Intangible assets LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
1474 Value, at the beginning of the year Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1475 Additions Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
1476 Value, at the end of the year Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1477 41103 - Disclosure - INTANGIBLE ASSETS - Gross Value (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureIntangibleAssetsGrossValueDetails
1478 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
1479 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1480 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1481 Gross carrying value Member ifrs-full:GrossCarryingAmountMember
1482 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
1483 Intangible assets Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
1484 3G/4G licenses Member teo:Licenses3g4gMember
1485 PCS license (Argentina) Member teo:PersonalCommunicationsServiceLicenseArgentinaMember
1486 Nucleo's licenses Member teo:NucleoSLicensesMember
1487 SRCE license Member teo:SrceLicenseMember
1488 Customer relationships Member ifrs-full:CustomerrelatedIntangibleAssetsMember
1489 Brands Member teo:BrandsMember
1490 Incremental Cost from the acquisition of contracts Member teo:IncrementalCostFromAcquisitionOfContractsMember
1491 Other Member ifrs-full:OtherIntangibleAssetsMember
1492 Intangible assets LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
1493 Value, at the beginning of the year Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1494 Incorporation by merger Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
1495 CAPEX Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
1496 Currency translation adjustments Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill
1497 Decreases Concept (Monetary) For Period Credit ifrs-full:DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill
1498 Value, at the end of the year Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1499 Retained earnings adjustment Concept (Monetary) As Of Debit teo:RetainedEarningsAdjustmentIncludedInIntangibleAssets
1500 41104 - Disclosure - INTANGIBLE ASSETS - Accumulated Amortization (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureIntangibleAssetsAccumulatedAmortizationDetails
1501 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
1502 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1503 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1504 Accumulated depreciation and amortization Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
1505 Net carrying value before impairment Member teo:CarryingAmountAfterAccumulatedAmortisationMember
1506 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
1507 Intangible assets Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
1508 3G/4G licenses Member teo:Licenses3g4gMember
1509 PCS license (Argentina) Member teo:PersonalCommunicationsServiceLicenseArgentinaMember
1510 Nucleo's licenses Member teo:NucleoSLicensesMember
1511 SRCE license Member teo:SrceLicenseMember
1512 Customer relationships Member ifrs-full:CustomerrelatedIntangibleAssetsMember
1513 Brands Member teo:BrandsMember
1514 Incremental Cost from the acquisition of contracts Member teo:IncrementalCostFromAcquisitionOfContractsMember
1515 Other Member ifrs-full:OtherIntangibleAssetsMember
1516 Intangible assets LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
1517 Value, at the beginning of the year Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1518 Amortization Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
1519 Currency translation adjustments Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill
1520 Decreases Concept (Monetary) For Period Credit ifrs-full:DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill
1521 Value, at the end of the year Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1522 Intangible assets other than goodwill Abstract ifrs-full:IntangibleAssetsOtherThanGoodwillAbstract
1523 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1524 41201 - Disclosure - TRADE PAYABLES (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureTradePayablesDetails
1525 Implied Table Table

*

*

 implied:Table
1526 TRADE PAYABLES Abstract ifrs-full:TradeAndOtherPayablesAbstract
1527 Current trade payables Abstract ifrs-full:TradeAndOtherCurrentPayablesAbstract
1528 Suppliers and commercial accruals Concept (Monetary) As Of Credit teo:CurrentPayablesForSuppliersAndCommercialAccruals
1529 Companies under sect. 33 - Law No. 19,550 and Related Parties Concept (Monetary) As Of Credit teo:CurrentPayablesForCompaniesUnderSection33AndRelatedParties
1530 Total Current trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
1531 Non-current trade payables Abstract ifrs-full:NoncurrentPayablesAbstract
1532 Suppliers and commercial accruals Concept (Monetary) As Of Credit teo:NonCurrentPayablesForSuppliersAndCommercialAccruals
1533 Total Non-current trade payables Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayablesToTradeSuppliers
1534 Total trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayablesToTradeSuppliers
1535 41301 - Disclosure - FINANCIAL DEBT (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialDebtDetails
1536 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1537 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1538 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1539 Total current financial debt Member ifrs-full:ShorttermBorrowingsMember
1540 Bank overdrafts Member teo:IfrsBankOverdraftsMember
1541 Bank loans - principal Member teo:BankLoansCurrentMember
1542 By purchase of equipment Member teo:PurchaseOfEquipmentCurrentMember
1543 NDF Member teo:NonDeliverableForwardCurrentMember
1544 Accrued interest and related expenses Member teo:AccruedInterestsAndRelatedExpensesCurrentMember
1545 Companies under sect. 33 - Law No. 19,550 and Related Parties Member teo:CompaniesUnderSection33AndRelatedPartiesMember
1546 Total non-current financial debt Member ifrs-full:LongtermBorrowingsMember
1547 Notes - principal Member teo:PrincipalDueOnNotesNonCurrentMember
1548 Bank loans - principal Member teo:PrincipalDueOnBankLoansNonCurrentMember
1549 By purchase of equipment Member teo:PurchaseOfEquipmentNonCurrentMember
1550 Accrued interests and related expenses Member teo:AccruedInterestsAndRelatedExpensesNonCurrentMember
1551 Financial Debt LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1552 Current and non-current financial debt Abstract ifrs-full:BorrowingsAbstract
1553 Current financial debt Concept (Monetary) As Of Credit ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
1554 Non-current financial debt Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1555 Total financial debt Concept (Monetary) As Of Credit ifrs-full:Borrowings
1556 41302 - Disclosure - FINANCIAL DEBT - IFC and IIC loans (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialDebtIfcAndIicLoansDetails
1557 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1558 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
1559 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1560 Personal Member teo:PersonalMember
1561 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1562 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1563 Bank loans - IFC Loan Member teo:PrincipalDueOnIfcBankLoanNonCurrentMember
1564 IIC Loan Member teo:InterAmericanInvestmentCorporationLoanMember
1565 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1566 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1567 LIBOR Member us-gaap:LondonInterbankOfferedRateLIBORMember
1568 Range [axis] Axis ifrs-full:RangeAxis
1569 Ranges [member] Member ifrs-full:RangesMember
1570 Maximum Member ifrs-full:TopOfRangeMember
1571 Interest Rate on Loan Payable Period [Axis] Axis teo:InterestRateOnLoanPayablePeriodAxis
1572 Interest Rate on Loan Payable Period [Domain] Member teo:InterestRateOnLoanPayablePeriodDomain
1573 Tranche A Member teo:TrancheMember
1574 Tranche B-1 Member teo:TrancheB1Member
1575 Tranche B-2 Member teo:TrancheB2Member
1576 Tranche B-3 Member teo:TrancheB3Member
1577 Tranche B-4 Member teo:TrancheB4Member
1578 Financial Debt. LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1579 Current and non-current financial debt Abstract ifrs-full:BorrowingsAbstract
1580 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1581 Borrowing term Concept (xbrli:durationItemType) For Period teo:IfrsDebtInstrumentTerm
1582 Applicable margin on LIBOR Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1583 Half-yearly installments Concept (Integer) For Period teo:IfrsDebtInstrumentPeriodicPayment
1584 Loan proceeds Concept (Monetary) For Period Debit ifrs-full:ProceedsFromNoncurrentBorrowings
1585 Net borrowing expenses Concept (Monetary) For Period Debit ifrs-full:BorrowingCostsRecognisedAsExpense
1586 41303 - Disclosure - FINANCIAL DEBT - Syndicated Loan (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialDebtSyndicatedLoanDetails
1587 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1588 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1589 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1590 LIBOR Member us-gaap:LondonInterbankOfferedRateLIBORMember
1591 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1592 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1593 Syndicated Loan Member teo:SyndicatedLoanMember
1594 Interest Rate on Loan Payable Period [Axis] Axis teo:InterestRateOnLoanPayablePeriodAxis
1595 Interest Rate on Loan Payable Period [Domain] Member teo:InterestRateOnLoanPayablePeriodDomain
1596 First four months Member teo:FirstFourMonthsMember
1597 Next two months Member teo:NextTwoMonthsMember
1598 Following three months Member teo:FollowingThreeMonthsMember
1599 Last three months Member teo:LastThreeMonthsMember
1600 First year Member ifrs-full:NotLaterThanOneYearMember
1601 Second year Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1602 After second year till expiration date Member teo:LaterThanTwoYearsMember
1603 Range [axis] Axis ifrs-full:RangeAxis
1604 Ranges [member] Member ifrs-full:RangesMember
1605 Minimum Member ifrs-full:BottomOfRangeMember
1606 Financial Debt. LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1607 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1608 Amount borrowed Concept (Monetary) For Period Debit ifrs-full:ProceedsFromNoncurrentBorrowings
1609 Applicable margin on LIBOR Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1610 Minimum net cash proceeds from bilateral or syndicated bank financing required to make prepayment Concept (Monetary) For Period Debit teo:ThresholdForPrepaymentsNetCashProceedsFromBilateralAndSyndicatedBankFinancing
1611 Tenor of non-Peso denominated debt securities (in years) Concept (xbrli:durationItemType) For Period teo:TermOfNonPesoDenominatedDebtSecurities
1612 Borrowing term Concept (xbrli:durationItemType) For Period teo:IfrsDebtInstrumentTerm
1613 Additional payment of Original Loan Concept (Monetary) For Period Credit teo:AdditionalPaymentOfOriginalLoan
1614 Mandatory pre-cancellation amount Concept (Monetary) As Of Credit teo:MandatoryPreCancellationAmount
1615 Prepayment of Original Loan Concept (Monetary) For Period Credit teo:PrepaymentOfBorrowings
1616 Balance of borrowings owed canceled Concept (Monetary) For Period Debit teo:CancellationOfBorrowingsOutstanding
1617 41304 - Disclosure - FINANCIAL DEBT - Deutsche Bank Loan and Other bank loans (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialDebtDeutscheBankLoanAndOtherBankLoansDetails
1618 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1619 Range [axis] Axis ifrs-full:RangeAxis
1620 Ranges [member] Member ifrs-full:RangesMember
1621 Maximum Member ifrs-full:TopOfRangeMember
1622 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1623 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1624 Deutsche Bank Loan Member teo:DeutscheBankLoanMember
1625 Bank ICBC Member teo:IcbcBankLoanMember
1626 Bank Itau Member teo:ItauBankLoanMember
1627 Bank MACRO Member teo:MarcoBankLoanMember
1628 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1629 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1630 LIBOR Member us-gaap:LondonInterbankOfferedRateLIBORMember
1631 Financial Debt. LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1632 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1633 Borrowing term Concept (xbrli:durationItemType) For Period teo:IfrsDebtInstrumentTerm
1634 Applicable margin on LIBOR Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1635 Half-yearly installments Concept (Integer) For Period teo:IfrsDebtInstrumentPeriodicPayment
1636 Semi-annual equal installments equivalent to disbursed amount (as a percent) Concept (Percent) For Period teo:PercentageOfHalfYearlyInstallmentsEquivalentToDisbursedAmount
1637 Semi-annual equal installments equivalent to initial borrowing (as a percent) Concept (Percent) For Period teo:PercentageOfHalfYearlyInstallmentsEquivalentToInitialBorrowing
1638 Annual rate of interest Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1639 41305 - Disclosure - FINANCIAL DEBT - Nucleo (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialDebtNucleoDetails
1640 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1641 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
1642 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1643 Nucleo Member teo:NucleoMember
1644 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1645 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1646 Bank loans - principal Member teo:PrincipalDueOnBankLoansMember
1647 Principal Nominal Value 40,000 Member teo:PrincipalNominalValueTwoMember
1648 Principal Nominal Value 308,000 Member teo:PrincipalNominalValueFourMember
1649 Range [axis] Axis ifrs-full:RangeAxis
1650 Ranges [member] Member ifrs-full:RangesMember
1651 Minimum Member ifrs-full:BottomOfRangeMember
1652 Maximum Member ifrs-full:TopOfRangeMember
1653 Financial Debt LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1654 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1655 Amortization term Concept (xbrli:durationItemType) For Period teo:IfrsDebtInstrumentTerm
1656 Current financial debt Concept (Monetary) As Of Credit ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
1657 Non-current financial debt Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1658 Weighted average annual rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1659 41306 - Disclosure - FINANCIAL DEBT - Global Programs for the issuance of Notes (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialDebtGlobalProgramsForIssuanceOfNotesDetails
1660 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1661 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
1662 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1663 Cablevision Member teo:CablevisionMember
1664 Telecom Argentina Member teo:TelecomArgentinaS.a.Member
1665 Personal Member teo:PersonalMember
1666 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1667 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1668 Term Notes Member teo:NotesMember
1669 Class A Notes Member teo:ClassNotesMember
1670 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1671 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1672 Fixed interest rate Member ifrs-full:FixedInterestRateMember
1673 Range [axis] Axis ifrs-full:RangeAxis
1674 Ranges [member] Member ifrs-full:RangesMember
1675 Maximum Member ifrs-full:TopOfRangeMember
1676 Minimum Member ifrs-full:BottomOfRangeMember
1677 Financial Debt LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1678 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1679 Amortization term Concept (xbrli:durationItemType) For Period teo:IfrsDebtInstrumentTerm
1680 Borrowing interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1681 Investments in fixed assets and other capital expenditure Concept (Monetary) As Of Debit teo:InvestmentsInFixedAssetsAndOtherCapitalExpenditure
1682 Quorum of Extraordinary Noteholders' Meeting (as a percent) Concept (Percent) For Period teo:PercentageOfQuorumOfTotalCapitalAndVotesForNoteholdersMeeting
1683 Repurchase of Notes Concept (Monetary) For Period Credit teo:RepurchaseOfDebtNotesIssued
1684 41307 - Disclosure - FINANCIAL DEBT - Loans for purchase of equipment (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialDebtLoansForPurchaseOfEquipmentDetails
1685 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1686 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1687 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1688 By purchase of equipment Member teo:PurchaseOfEquipmentMember
1689 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
1690 Counterparties [member] Member ifrs-full:CounterpartiesMember
1691 Cisco Systems Member teo:CiscoSystemsMember
1692 Range [axis] Axis ifrs-full:RangeAxis
1693 Ranges [member] Member ifrs-full:RangesMember
1694 Minimum Member ifrs-full:BottomOfRangeMember
1695 Maximum Member ifrs-full:TopOfRangeMember
1696 Financial Debt. LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1697 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1698 Borrowing term Concept (xbrli:durationItemType) For Period teo:IfrsDebtInstrumentTerm
1699 Annual rate of interest Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1700 41402 - Disclosure - SALARIES AND SOCIAL SECURITY PAYABLES - Payables (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureSalariesAndSocialSecurityPayablesPayablesDetails
1701 Implied Table Table

*

*

 implied:Table
1702 SALARIES AND SOCIAL SECURITY PAYABLES Abstract ifrs-full:ClassesOfEmployeeBenefitsExpenseAbstract
1703 Number of stock option plans available to employees Concept (Integer) For Period teo:NumberOfStockOptionPlans
1704 Current Abstract teo:SalariesAndSocialSecurityExpensesCurrentAbstract
1705 Salaries, annual complementary salaries, vacation and bonuses Concept (Monetary) As Of Credit teo:SalariesAnnualComplementarySalariesVacationAndBonusesPayableCurrent
1706 Social security payables Concept (Monetary) As Of Credit teo:SocialSecurityPayablesCurrent
1707 Termination benefits Concept (Monetary) As Of Credit teo:TerminationBenefitsPayableCurrent
1708 Total current salaries and security payables Concept (Monetary) As Of Credit teo:SalariesAndSocialSecurityPayableCurrent
1709 Non-current Abstract teo:SalariesAndSocialSecurityExpensesNonCurrentAbstract
1710 Termination benefits Concept (Monetary) As Of Credit teo:TerminationBenefitsPayableNonCurrent
1711 Total non-current salaries and security payables Concept (Monetary) As Of Credit teo:SalariesAndSocialSecurityPayableNonCurrent
1712 Total salaries and social security payables Concept (Monetary) As Of Credit teo:SalariesAndSocialSecurityPayables
1713 41501 - Disclosure - DEFERRED INCOME TAX ASSETS/LIABILITIES - Deferred tax assets and liabilities, net (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureDeferredIncomeTaxAssetsLiabilitiesDeferredTaxAssetsAndLiabilitiesNetDetails
1714 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

 ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1715 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1716 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1717 Tax carryforward Member ifrs-full:UnusedTaxCreditsMember
1718 Allowance for doubtful accounts Member ifrs-full:AllowanceForCreditLossesMember
1719 Provisions Member ifrs-full:OtherProvisionsMember
1720 Inventory Member teo:TemporaryDifferencesInventoryMember
1721 Pension and termination benefits Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1722 PP&E and Intangible assets Member teo:PropertyPlantAndEquipmentAndIntangibleAssetsMember
1723 Cash dividends from foreign companies Member teo:TemporaryDifferencesCashDividendsFromForeignCompaniesMember
1724 Mobile handsets financed sales Member teo:TemporaryDifferencesFinancedSalesMember
1725 Other Member ifrs-full:OtherTemporaryDifferencesMember
1726 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1727 Total deferred tax liabilities, net Concept (Monetary) As Of Credit teo:DeferredTaxLiabilitiesNetBeforeActionsForRecourseTaxReceivable
1728 Actions for recourse tax receivable Concept (Monetary) As Of Debit teo:ActionsForRecourseTaxReceivable
1729 Total deferred tax liability, net Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1730 Net deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1731 Net deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:NetDeferredTaxLiabilities
1732 41502 - Disclosure - DEFERRED INCOME TAX ASSETS/LIABILITIES - Maturities of estimated tax carryforward (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureDeferredIncomeTaxAssetsLiabilitiesMaturitiesOfEstimatedTaxCarryforwardDetails
1733 Income tax disclosure [table] Table

*

*

 teo:IncomeTaxDisclosureTable
1734 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
1735 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1736 Telecom Argentina Member srt:ParentCompanyMember
1737 Inter Radios Member teo:InterRadiosMember
1738 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1739 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1740 Tax carryforward Member ifrs-full:UnusedTaxCreditsMember
1741 Ifrs Tax Period Axis Axis teo:IfrsTaxPeriodAxis
1742 Ifrs Tax Period [Domain] Member teo:IfrsTaxPeriodDomain
1743 Tax Year 2015 Member teo:IfrsTaxYear2015Member
1744 Tax Year 2016 Member teo:IfrsTaxYear2016Member
1745 Tax Year 2017 Member teo:IfrsTaxYear2017Member
1746 Tax Year 2018 Member teo:IfrsTaxYear2018Member
1747 DEFERRED INCOME TAX ASSETS/LIABILITIES LineItems teo:IncomeTaxDisclosureLineItems
1748 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1749 Non-recoverable Tax carryforward amount Concept (Monetary) As Of teo:UnusedTaxCreditsForWhichNoDeferredTaxAssetRecognisedEstimatedToBeNonRecoverable
1750 Tax carryforward amount Concept (Monetary) As Of ifrs-full:UnusedTaxCreditsForWhichNoDeferredTaxAssetRecognised
1751 41503 - Disclosure - DEFERRED INCOME TAX ASSETS/LIABILITIES - Income tax benefit (expense) (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureDeferredIncomeTaxAssetsLiabilitiesIncomeTaxBenefitExpenseDetails
1752 Implied Table Table

*

*

 implied:Table
1753 DEFERRED INCOME TAX ASSETS/LIABILITIES Abstract ifrs-full:DeferredTaxAssetsAndLiabilitiesAbstract
1754 Current tax expense Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
1755 Deferred tax benefit Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1756 Income tax benefit (expense) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1757 41504 - Disclosure - DEFERRED INCOME TAX ASSETS/LIABILITIES - Reconciliation of income tax expense (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureDeferredIncomeTaxAssetsLiabilitiesReconciliationOfIncomeTaxExpenseDetails
1758 Income tax disclosure [table] Table

*

*

 teo:IncomeTaxDisclosureTable
1759 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1760 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1761 Argentina Member country:AR
1762 Paraguay Member country:PY
1763 United States of America Member country:US
1764 DEFERRED INCOME TAX ASSETS/LIABILITIES LineItems teo:IncomeTaxDisclosureLineItems
1765 Reconciliation of income tax expense Abstract ifrs-full:ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract
1766 Pre-tax income Concept (Monetary) For Period Credit ifrs-full:AccountingProfit
1767 Non-taxable items - Earnings from associates Concept (Monetary) For Period Credit teo:NonTaxableIncomeExpenseEarningsFromAssociates
1768 Non-taxable items - Other Concept (Monetary) For Period Credit teo:NonTaxableIncomeExpenseOther
1769 Subtotal Concept (Monetary) For Period Credit teo:AccountingProfitNetOfNonTaxableItems
1770 Weighted statutory income tax rate (*) Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1771 Income tax expense at weighted statutory tax rate Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
1772 Tax carryforward prescription Concept (Monetary) For Period Debit teo:TaxEffectFromTaxCarryforwardPrescriptionAmount
1773 Changes in tax rates Concept (Monetary) For Period Credit teo:TaxRateEffectFromChangesInTaxRate
1774 Actions for recourse Concept (Monetary) For Period Credit ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceCurrentTaxExpense
1775 Income tax on cash dividends of foreign companies Concept (Monetary) For Period Debit teo:TaxEffectOfCashDividendsFromForeignCompanies
1776 Inflation effect Concept (Monetary) For Period Debit teo:TaxEffectFromInflation
1777 Income tax benefit (expense) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1778 Additional tax rate (as a percent) Concept (Percent) For Period teo:AdditionalTaxRateInRespectOfDividendPayment
1779 Effective tax rate Concept (Percent) For Period ifrs-full:AverageEffectiveTaxRate
1780 Income tax - Actions for recourse filed with the Tax Authority Abstract teo:ActionsForRecourseFiledWithTaxAuthorityAbstract
1781 Amount of claim filed during 2015 and 2018 Concept (Monetary) As Of Debit teo:ActionsForRecourseIncomeTaxClaimAmount
1782 Non-current tax credit Concept (Monetary) As Of Debit teo:ActionsForRecourseTaxReceivableNoncurrent
1783 41601 - Disclosure - TAXES PAYABLES (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureTaxesPayablesDetails
1784 Implied Table Table

*

*

 implied:Table
1785 TAXES PAYABLES Abstract teo:TaxesPayableAbstract
1786 Current Abstract teo:CurrentTaxesPayablesAbstract
1787 Income tax Concept (Monetary) As Of Credit teo:IncomeTaxPayableCurrent
1788 Other national taxes Concept (Monetary) As Of Credit teo:OtherNationalTaxesPayableCurrent
1789 Municipal taxes Concept (Monetary) As Of Credit teo:MunicipalTaxesPayableCurrent
1790 Provincial taxes Concept (Monetary) As Of Credit teo:ProvincialTaxesPayableCurrent
1791 Total current Concept (Monetary) As Of Credit teo:IfrsTaxesPayableCurrent
1792 Non-current Abstract teo:NonCurrentTaxesPayablesAbstract
1793 Other national taxes Concept (Monetary) As Of Credit teo:OtherNationalTaxesPayableNonCurrent
1794 Provincial taxes Concept (Monetary) As Of Credit teo:ProvincialTaxesPayableNonCurrent
1795 Total non-current Concept (Monetary) As Of Credit teo:TaxesPayableNonCurrent
1796 Total taxes payables Concept (Monetary) As Of Credit teo:TaxesPayable
1797 41701 - Disclosure - OTHER LIABILITIES (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureOtherLiabilitiesDetails
1798 Implied Table Table

*

*

 implied:Table
1799 OTHER LIABILITIES Abstract teo:IfrsOtherLiabilitiesAbstract
1800 Current Abstract teo:IfrsOtherLiabilitiesCurrentAbstract
1801 Deferred revenues on prepaid calling cards Concept (Monetary) As Of Credit teo:DeferredRevenuesOnPrepaidCallingCardsLiabilityCurrent
1802 Deferred revenues on connection fees and international capacity leases Concept (Monetary) As Of Credit teo:DeferredRevenuesOnConnectionFeesAndInternationalCapacityLeasesLiabilityCurrent
1803 Deferred revenues on construction projects Concept (Monetary) As Of Credit teo:DeferredRevenuesOnConstructionProjectsLiabilityCurrent
1804 Mobile customer loyalty programs Concept (Monetary) As Of Credit teo:MobileCustomerLoyaltyProgramsLiabilityCurrent
1805 Compensation for directors and members of the Supervisory Committee Concept (Monetary) As Of Credit teo:DirectorsAndMembersOfSupervisoryCommitteeCompensationLiabilityCurrent
1806 Companies under sect. 33 - Law No. 19,550 and Related Parties Concept (Monetary) As Of Credit teo:CompaniesUnderSection33AndRelatedPartiesLiabilityCurrent
1807 Other Concept (Monetary) As Of Credit teo:OtherCurrentLiabilitiesOther
1808 Other current liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentLiabilities
1809 Non-current Abstract teo:IfrsOtherLiabilitiesNoncurrentAbstract
1810 Deferred revenues on connection fees and international capacity leases Concept (Monetary) As Of Credit teo:DeferredRevenuesOnConnectionFeesAndInternationalCapacityLeasesLiabilityNonCurrent
1811 Pension benefits (Note 3.m) Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1812 Mobile customer loyalty programs Concept (Monetary) As Of Credit teo:MobileCustomerLoyaltyProgramsLiabilityNonCurrent
1813 Other Concept (Monetary) As Of Credit teo:OtherNonCurrentLiabilitiesOther
1814 Other non-current liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
1815 Total other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
1816 41702 - Disclosure - OTHER LIABILITIES - Movements in the pension benefits (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureOtherLiabilitiesMovementsInPensionBenefitsDetails
1817 Implied Table Table

*

*

 implied:Table
1818 OTHER LIABILITIES Abstract teo:IfrsOtherLiabilitiesAbstract
1819 Movements in the pension benefits Abstract ifrs-full:ChangesInNetDefinedBenefitLiabilityAssetAbstract
1820 At the beginning of the year Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1821 Incorporation by merger Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughBusinessCombinationsAndDisposalsNetDefinedBenefitLiabilityAsset
1822 Service cost Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
1823 Interest cost Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
1824 Payments Concept (Monetary) For Period Debit ifrs-full:PaymentsFromPlanNetDefinedBenefitLiabilityAsset
1825 At the end of the year Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1826 RECPAM Concept (Monetary) For Period Debit teo:PaymentsFromPlanNetDefinedBenefitLiabilityAssetRelatedToRecpam
1827 41801 - Disclosure - PROVISIONS - Rollforward (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureProvisionsRollforwardDetails
1828 Disclosure of other provisions [table] Table

*

*

 ifrs-full:DisclosureOfOtherProvisionsTable
1829 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
1830 Provisions Member ifrs-full:OtherProvisionsMember
1831 Provisions Member teo:ProvisionsMember
1832 Asset retirement obligations Member ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
1833 Provisions LineItems ifrs-full:DisclosureOfOtherProvisionsLineItems
1834 Reconciliation of changes in provision Abstract ifrs-full:ReconciliationOfChangesInOtherProvisionsAbstract
1835 Current Abstract teo:ProvisionsCurrentRollForward
1836 Balance in the beginning Concept (Monetary) As Of Credit ifrs-full:OtherShorttermProvisions
1837 Incorporation by merger Concept (Monetary) For Period Credit teo:AcquisitionsThroughBusinessCombinationsOtherShortTermProvisions
1838 Additions/(recoveries), Capital Concept (Monetary) For Period Credit teo:AdditionsOrRecoveriesCapitalPortionOtherShorttermProvisions
1839 Reclassifications Concept (Monetary) For Period Credit teo:IncreaseDecreaseThroughTransfersAndOtherChangesOtherShorttermProvisions
1840 Decreases Concept (Monetary) For Period Debit teo:DecreaseInProvisionsDueToOtherChangesOtherShortTermProvisions
1841 Balance at the end Concept (Monetary) As Of Credit ifrs-full:OtherShorttermProvisions
1842 Non-current Abstract teo:ProvisionsNoncurrentRollForward
1843 Balance in the beginning Concept (Monetary) As Of Credit ifrs-full:OtherLongtermProvisions
1844 Incorporation by merger Concept (Monetary) For Period Credit teo:AcquisitionsThroughBusinessCombinationsOtherLongTermProvisions
1845 Additions/(recoveries), Capital Concept (Monetary) For Period Credit teo:AdditionsOrRecoveriesCapitalPortionOtherLongtermProvisions
1846 Additions/(recoveries), Interest Concept (Monetary) For Period Credit teo:AdditionsOrRecoveriesInterestPortionOtherLongtermProvisions
1847 Reclassifications Concept (Monetary) For Period Credit teo:IncreaseDecreaseThroughTransfersAndOtherChangesOtherLongtermProvisions
1848 Decreases Concept (Monetary) For Period Debit teo:DecreaseInProvisionsDueToOtherChangesOtherLongTermProvisions
1849 Balance at the end Concept (Monetary) As Of Credit ifrs-full:OtherLongtermProvisions
1850 Total provisions Abstract teo:ProvisionsRollForward
1851 Total provisions in the beginning Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
1852 Incorporation by merger Concept (Monetary) For Period Credit ifrs-full:AcquisitionsThroughBusinessCombinationsOtherProvisions
1853 Additions/(recoveries), Capital Concept (Monetary) For Period Credit teo:AdditionsOrRecoveriesCapitalPortionOtherProvisions
1854 Additions/(recoveries), Interest Concept (Monetary) For Period Credit teo:AdditionsOrRecoveriesInterestPortionOtherProvisions
1855 Reclassifications Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions
1856 Decreases Concept (Monetary) For Period Debit teo:DecreaseInProvisionsDueToOtherChangesOtherProvisions
1857 Total provisions at the end Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
1858 Other information Abstract teo:ProvisionsOtherAbstract
1859 Additions/(recoveries), Capital, charged to currency translation adjustments Concept (Monetary) For Period Credit teo:AdditionsOrRecoveriesCapitalPortionChargedToCurrencyTranslationAdjustments
1860 Additions/(recoveries), Capital, charged to other operating income and expenses Concept (Monetary) For Period Credit teo:AdditionsOrRecoveriesCapitalPortionChargedToOtherOperatingIncomeAndExpenses
1861 Decrease in provisions relating to RECPAM Concept (Monetary) For Period Debit teo:DecreaseInOtherProvisionsRelatingToRecpam
1862 41802 - Disclosure - PROVISIONS - Probable contingent Liabilities (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureProvisionsProbableContingentLiabilitiesDetails
1863 Disclosure of other provisions [table] Table

*

*

 ifrs-full:DisclosureOfOtherProvisionsTable
1864 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
1865 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
1866 Labor contingencies Member teo:LaborProceedingsContingentLiabilityMember
1867 Regulatory contingencies Member teo:RegulatoryProceedingsContingentLiabilityMember
1868 Litigation Case [Axis] Axis srt:LitigationCaseAxis
1869 Litigation Case [Domain] Member srt:LitigationCaseTypeDomain
1870 Task solutions Member teo:TaskSolutionsContactCenterMember
1871 Range [axis] Axis ifrs-full:RangeAxis
1872 Ranges [member] Member ifrs-full:RangesMember
1873 Maximum Member ifrs-full:TopOfRangeMember
1874 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
1875 Provisions Member ifrs-full:OtherProvisionsMember
1876 Provision for regulatory, tax and other matters claims Member ifrs-full:ProvisionForTaxesOtherThanIncomeTaxMember
1877 Provisions LineItems ifrs-full:DisclosureOfOtherProvisionsLineItems
1878 Number of chambers of the Civil and Commercial Federal Proceedings Court who issued opinions interpreting the doctrine developed by the Argentine Supreme Court of Justice - Dominguez c/ Telefonica de Argentina S.A. Concept (Integer) For Period teo:NumberOfChambersCivilAndCommercialFederalProceedingsCourt
1879 Statute of limitation, period established, Argentine Supreme Court of Justice Concept (xbrli:durationItemType) For Period teo:StatuteOfLimitationsPerArgentineSupremeCourtOfJustice
1880 Statute of limitation, period established, Chamber III Concept (xbrli:durationItemType) For Period teo:StatuteOfLimitationsPerChamberIii
1881 Number of unions who filed lawsuit claiming the issuance of a profit sharing bonds Concept (Integer) For Period teo:ClaimForIssuanceOfProfitSharingBondsNumberOfUnionsWhoFiledLawsuits
1882 Statute of limitation, period established Concept (xbrli:durationItemType) For Period teo:ClaimForIssuanceOfProfitSharingBondsStatuteOfLimitationsEstablished
1883 Estimated liabilities per each alleged violation against its clients Concept (Monetary) As Of ifrs-full:EstimatedFinancialEffectOfContingentLiabilities
1884 Estimated increase in provision Concept (Monetary) As Of Credit teo:AdditionalOtherProvisionsEstimated
1885 Claims for damages and losses Concept (Monetary) As Of Credit teo:ContingentLiabilityForDamagesAndLossesDuringContractualRelationship
1886 41803 - Disclosure - PROVISIONS - Possible Contingencies (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureProvisionsPossibleContingenciesDetails
1887 Disclosure of other provisions [table] Table

*

*

 ifrs-full:DisclosureOfOtherProvisionsTable
1888 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1889 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1890 Personal Member teo:PersonalMember
1891 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
1892 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
1893 Civil and commercial proceedings, contingencies Member ifrs-full:LegalProceedingsContingentLiabilityMember
1894 Litigation Case [Axis] Axis srt:LitigationCaseAxis
1895 Litigation Case [Domain] Member srt:LitigationCaseTypeDomain
1896 Radioelectric Spectrum Fees Member teo:RadioelectricSpectrumFeesMember
1897 Consumidores Financieros Asociacion Civil para su Defensa Member teo:ConsumidoresFinancierosAsociacionCivilParaSuDefensaMember
1898 Changes in service prices Member teo:ChangesInServicePricesCaseMember
1899 Claim by content providers Member teo:ContentProvidersClaimMember
1900 Claims by Trade Unions Member teo:TradeUnionsForUnionContributionsAndPaymentsMember
1901 SCI Member teo:SecretariatOfDomesticTradeOfNationMember
1902 Claims between Supercanal Holding S.A. and Cablevision Member teo:ClaimsBetweenSupercanalHoldingS.a.AndCablevisionMember
1903 Asociacion por la Defensa de Usuarios y Consumidores Member teo:AsociacionPorLaDefensaDeUsuariosYConsumidoresMember
1904 Provisions LineItems ifrs-full:DisclosureOfOtherProvisionsLineItems
1905 Difference resulting from both sets of liquidation excluding interests Concept (Monetary) For Period Debit ifrs-full:LossesOnLitigationSettlements
1906 Number of years to be considered for reimbursement of excess amount collected Concept (xbrli:durationItemType) For Period teo:NumberOfYearsToBeConsideredForReimbursementOfExcessAmountCollected
1907 Number of years to be considered for crediting the customers for unused minutes on expired prepaid cards Concept (xbrli:durationItemType) For Period teo:NumberOfYearsToBeConsideredForCreditingCustomersForUnusedMinutesOnExpiredPrepaidCards
1908 Total number of legal actions within the federal civil and commercial court Concept (Integer) For Period teo:NumberOfLegalActionsWithinFederalCivilAndCommercialCourt
1909 Period considered for reimbursement of increased price billed to customer Concept (xbrli:durationItemType) For Period teo:PeriodConsideredForReimbursementOfIncreasedPriceBilledToCustomer
1910 Number of companies that initiated a claim Concept (Integer) For Period teo:NumberOfCompaniesThatInitiatedClaim
1911 Maximum percentage of services invoiced that the mobile operators are entitled to receive Concept (Percent) For Period teo:MaximumPercentageOfServicesInvoicedThatMobileOperatorsAreEntitledToReceive
1912 Period to file interconnection contracts under the ENACOM Concept (xbrli:durationItemType) For Period teo:PeriodToFileInterConnectionContracts
1913 Number of legal actions Concept (Integer) For Period teo:NumberOfLegalActionsFiledByTradeUnions
1914 Period of default Concept (xbrli:durationItemType) For Period teo:PeriodOfDefaultForUnionContributionsAndPayments
1915 Reduction of capital stock Concept (Monetary) As Of Debit teo:ReductionOfCapitalDueToRevocationOfInjunction
1916 Subsequent increase in capital Concept (Monetary) As Of Credit teo:IncreaseInCapitalDueToRevocationOfInjunction
1917 Period during which amounts collected for services Concept (xbrli:durationItemType) For Period teo:PeriodDuringWhichAmountsCollectedForInternetAndCableServices
1918 Penalty imposed Concept (Monetary) For Period Debit teo:PenaltyImposedForNotComplyingWithInformationRegime
1919 Reduced penalty Concept (Monetary) For Period Debit teo:ReducedPenaltyForNotComplyingWithInformationRegime
1920 Adjusted subscription price Concept (Monetary) For Period Debit teo:AdjustedSubscriptionPrice
1921 41804 - Disclosure - PROVISIONS - Contingent Asset - "AFA Plus Project" Claim (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureProvisionsContingentAssetafaPlusProjectClaimDetails
1922 Disclosure of other provisions [table] Table

*

*

 ifrs-full:DisclosureOfOtherProvisionsTable
1923 Project [Axis] Axis teo:ProjectAxis
1924 Project [Domain] Member teo:ProjectDomain
1925 AFA Plus Project Member teo:AfaPlusProjectMember
1926 Provisions LineItems ifrs-full:DisclosureOfOtherProvisionsLineItems
1927 Referring price rate (as a percent) Concept (Percent) For Period teo:ReferringPriceRate
1928 Investments made and expenses incurred Concept (Monetary) As Of Debit teo:InvestmentsMadeAndExpensesIncurred
1929 Investments made and expenses incurred, included in PP&E Concept (Monetary) As Of Debit teo:InvestmentsMadeAndExpensesIncurredIncludedInPropertyPlantAndEquipment
1930 Compensation received from AFA for services provided and work performed Concept (Monetary) For Period Credit teo:CompensationReceivedForServicesProvidedAndWorkPerformed
1931 Compensation proposed by AFA for investment and expenditures incurred Concept (Monetary) For Period Credit teo:CompensationProposedForInvestmentAndExpenditure
1932 Waiting period to receive the proposed compensation Concept (xbrli:durationItemType) For Period teo:WaitingPeriodToReceiveProposedCompensation
1933 Amount due from AFA Concept (Monetary) For Period Credit teo:AmountDueFromCounterParty
1934 Claims brought for prejudicial mediation procedure Concept (Monetary) As Of Debit teo:PrejudicialMediationProcedureClaims
1935 Recoverable value of Work in progress and Materials recognized by the project Concept (Monetary) As Of Debit ifrs-full:WorkInProgress
1936 41901 - Disclosure - COMMITMENTS (Details) Network

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*

 http://www.telecom.com.ar/role/DisclosureCommitmentsDetails
1937 Commitments [Table] Table

*

*

 teo:CommitmentsTable
1938 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1939 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1940 Personal Member teo:PersonalMember
1941 Range [axis] Axis ifrs-full:RangeAxis
1942 Ranges [member] Member ifrs-full:RangesMember
1943 Minimum Member ifrs-full:BottomOfRangeMember
1944 Maximum Member ifrs-full:TopOfRangeMember
1945 Commitments LineItems teo:CommitmentsLineItems
1946 Purchase orders Concept (Monetary) As Of Credit ifrs-full:ContractualCapitalCommitments
1947 PP&E commitments Concept (Monetary) As Of Credit ifrs-full:ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment
1948 Purchase commitments relating to contracts that qualify as leases under IFRS 16 Concept (Monetary) As Of Credit teo:PurchaseCommitmentsRelatingToContractsThatQualifyAsLeasesUnderIfrs16
1949 Number of inhabitants Concept (Decimal) As Of teo:NumberOfInhabitants
1950 Contract term Concept (xbrli:durationItemType) For Period teo:ContractTerm
1951 Guaranteed performance speed Concept (Decimal) For Period teo:MobileInternetServicesGuaranteedPerformanceRate
1952 42001 - Disclosure - EQUITY - Summary (Details) Network

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*

 http://www.telecom.com.ar/role/DisclosureEquitySummaryDetails
1953 Implied Table Table

*

*

 implied:Table
1954 EQUITY Abstract ifrs-full:DisclosureOfClassesOfShareCapitalAbstract
1955 Equity attributable to Controlling Company Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
1956 Equity attributable to non-controlling interest (Note 1.a) Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
1957 TOTAL EQUITY (See Consolidated Statements of Changes in Equity) Concept (Monetary) As Of Credit ifrs-full:Equity
1958 42002 - Disclosure - EQUITY - Capital stock (Details) Network

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*

 http://www.telecom.com.ar/role/DisclosureEquityCapitalStockDetails
1959 Disclosure of classes of share capital [table] Table

*

*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
1960 Classes of ordinary shares [axis] Axis ifrs-full:ClassesOfOrdinarySharesAxis
1961 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
1962 Class "A" Member teo:ClassOrdinarySharesMember
1963 Class "B" Member teo:ClassBOrdinarySharesMember
1964 Class "D" Member teo:ClassDOrdinarySharesMember
1965 Legal Entity [Axis] Axis dei:LegalEntityAxis
1966 Entity [Domain] Member dei:EntityDomain
1967 Telecom Argentina Member teo:TelecomArgentinaS.a.Member
1968 Cablevision Holding S.A. Member teo:CablevisionHoldingMember
1969 VLG Argentina LLC Member teo:VlgArgentinaLlcMember
1970 Fintech Media LLC Member teo:FintechMediaLlcMember
1971 Transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [axis] Axis ifrs-full:TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis
1972 Transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [member] Member ifrs-full:TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationMember
1973 Preliminary Merger Agreement and the Final Merger Agreement Member teo:PreliminaryMergerAgreementAndFinalMergerAgreementMember
1974 Equity LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1975 Nominal value of issued shares Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
1976 Nominal value (in pesos per share) Concept (Share) As Of ifrs-full:ParValuePerShare
1977 Number of votes per share Concept (Integer) For Period teo:CommonStockVotingRightsNumber
1978 Outstanding shares Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
1979 Treasury shares (in shares) Concept (Shares) As Of ifrs-full:SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates
1980 Total capital stock (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesIssuedAndFullyPaid
1981 Shares issued Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
1982 Number of shares each ADS represents Concept (Shares) As Of teo:NumberOfSharesEachAmericanDepositarySharesRepresents
1983 Percentage of interest on stake Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
1984 42003 - Disclosure - EQUITY - Share Ownership Plan (Details) Network

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*

 http://www.telecom.com.ar/role/DisclosureEquityShareOwnershipPlanDetails
1985 Disclosure of classes of share capital [table] Table

*

*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
1986 Classes of ordinary shares [axis] Axis ifrs-full:ClassesOfOrdinarySharesAxis
1987 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
1988 Class "C" Member teo:ClassCOrdinarySharesMember
1989 Equity LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1990 Share Ownership Plan Abstract teo:ShareOwnershipPlanAbstract
1991 Capital Stock to be included in PPP (as a percent) Concept (Percent) As Of teo:CapitalStockToBeIncludedInEmployeeShareOwnershipProgramPercentage
1992 Capital Stock to be included in PPP (in shares) Concept (Shares) As Of teo:CapitalStockToBeIncludedInEmployeeShareOwnershipProgramNumberOfShares
1993 Conversion of shares, number of shares authorized Concept (Shares) As Of teo:IfrsConversionOfStockSharesAuthorized
1994 Conversion of shares, number of shares converted Concept (Shares) For Period teo:IfrsConversionOfStockSharesConverted1
1995 Number of tranches Concept (Integer) As Of teo:NumberOfTranches
1996 Number of shares held for conversion Concept (Shares) As Of teo:NumberOfSharesHeldForConversion
1997 42004 - Disclosure - EQUITY - Treasury Shares (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureEquityTreasurySharesDetails
1998 Disclosure of classes of share capital [table] Table

*

*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
1999 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
2000 Equity [member] Member ifrs-full:EquityMember
2001 Treasury shares, Capital nominal value Member teo:TreasurySharesCapitalNominalValueMember
2002 Voluntary reserve for capital investments Member teo:VoluntaryReserveForCapitalInvestmentsMember
2003 Treasury shares acquisition cost Member ifrs-full:TreasurySharesMember
2004 Equity LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
2005 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
2006 Maximum time period for sale of treasury shares Concept (xbrli:durationItemType) For Period teo:ThresholdPeriodForSaleOfTreasuryShares
2007 Treasury shares (in shares) Concept (Shares) As Of ifrs-full:SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates
2008 Percentage of treasury shares held Concept (Percent) As Of teo:PercentageOfTreasurySharesHeld
2009 42101 - Disclosure - FINANCIAL INSTRUMENTS - Details of financial assets and financial liabilities (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialInstrumentsDetailsOfFinancialAssetsAndFinancialLiabilitiesDetails
2010 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
2011 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
2012 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
2013 Financial assets at amortized cost Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
2014 Financial assets at fair value accounted through profit or loss Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
2015 Financial assets at fair value accounted through other comprehensive income Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
2016 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
2017 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
2018 Cash and cash equivalents Member teo:IfrsCashAndCashEquivalentsMember
2019 Cash and banks Member teo:CashAndBanksMember
2020 Investments Member teo:IfrsInvestmentsMember
2021 Trade receivables Member ifrs-full:TradeReceivablesMember
2022 Other receivables Member teo:OtherReceivablesMember
2023 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
2024 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
2025 Financial liabilities at amortised cost Member ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember
2026 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
2027 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
2028 Trade payables Member teo:TradePayablesMember
2029 Financial debt Member teo:FinancialDebtMember
2030 Salaries and social security payables Member teo:SalariesAndSocialSecurityPayablesMember
2031 Other liabilities Member teo:IfrsOtherLiabilitiesMember
2032 Financial instruments LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
2033 Assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
2034 Liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
2035 42102 - Disclosure - FINANCIAL INSTRUMENTS - Gains and losses (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialInstrumentsGainsAndLossesDetails
2036 Implied Table Table

*

*

 implied:Table
2037 FINANCIAL INSTRUMENTS Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
2038 Net gain (loss) on financial assets at amortised cost Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtAmortisedCost
2039 Net gain (loss) on financial liabilities at amortised cost Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialLiabilitiesAtAmortisedCost
2040 Net gain (loss) on financial assets at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss
2041 Net gain (loss) on financial liabilities at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialLiabilitiesAtFairValueThroughProfitOrLoss
2042 Total gain (loss) on financial instruments Concept (Monetary) For Period Credit teo:NetGainsLossesOnFinancialInstruments
2043 Interest on financial assets at amortised cost Concept (Monetary) For Period Credit ifrs-full:InterestIncomeForFinancialAssetsMeasuredAtAmortisedCost
2044 Interest on financial liabilities at amortised cost Concept (Monetary) For Period Debit ifrs-full:InterestExpenseForFinancialLiabilitiesNotAtFairValueThroughProfitOrLoss
2045 Interest on financial assets at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss
2046 Total interest income (expense) on financial instruments Concept (Monetary) For Period Credit teo:InterestIncomeExpenseOnFinancialInstruments
2047 42103 - Disclosure - FINANCIAL INSTRUMENTS - Fair value disclosures (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialInstrumentsFairValueDisclosuresDetails
2048 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
2049 Measurement [axis] Axis ifrs-full:MeasurementAxis
2050 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
2051 At fair value Member ifrs-full:AtFairValueMember
2052 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
2053 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
2054 Financial assets at amortized cost Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
2055 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2056 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2057 Other short-term investments Member teo:OtherShortTermInvestmentsMember
2058 Investments Member teo:IfrsInvestmentsMember
2059 Government bonds Member teo:GovernmentBondsMember
2060 Other Investments Member teo:IfrsOtherInvestmentsMember
2061 Financial debt Member teo:FinancialDebtMember
2062 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
2063 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
2064 Level 1 Member ifrs-full:Level1OfFairValueHierarchyMember
2065 Scenario [Axis] Axis us-gaap:StatementScenarioAxis
2066 Scenario, Unspecified [Domain] Member us-gaap:ScenarioUnspecifiedDomain
2067 Restated for compare Member teo:RestatedForCompareMember
2068 Fair value and other disclosures LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
2069 Financial assets at fair value Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
2070 Financial liabilities at fair value Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
2071 Net gain (loss) on financial assets at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss
2072 Transfers out of Level 1 into Level 2 of fair value hierarchy, assets Concept (Monetary) For Period ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets
2073 Transfers out of Level 2 into Level 1 of fair value hierarchy, assets Concept (Monetary) For Period ifrs-full:TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets
2074 Transfers out of Level 1 into Level 2 of fair value hierarchy, liabilities Concept (Monetary) For Period ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities
2075 Transfers out of Level 2 into Level 1 of fair value hierarchy, liabilities Concept (Monetary) For Period ifrs-full:TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities
2076 Transfers into Level 3 of fair value hierarchy, assets Concept (Monetary) For Period Debit ifrs-full:TransfersIntoLevel3OfFairValueHierarchyAssets
2077 Transfers out of Level 3 of fair value hierarchy, assets Concept (Monetary) For Period Credit ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyAssets
2078 Transfers into Level 3 of fair value hierarchy, liabilities Concept (Monetary) For Period Credit ifrs-full:TransfersIntoLevel3OfFairValueHierarchyLiabilities
2079 Transfers out of Level 3 of fair value hierarchy, liabilities Concept (Monetary) For Period Debit ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyLiabilities
2080 Financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
2081 Financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
2082 42104 - Disclosure - FINANCIAL INSTRUMENTS - Hedge accounting (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialInstrumentsHedgeAccountingDetails
2083 Disclosure of detailed information about hedges [table] Table

*

*

 ifrs-full:DisclosureOfHedgeAccountingTable
2084 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2085 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2086 NDF Member teo:NonDeliverableForwardContractsMember
2087 2.1325% NDF Member teo:NdfBondsWith2.1325PercentMember
2088 2.085% NDF Member teo:NdfBondsWith2.085PercentMember
2089 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
2090 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
2091 Effective from March 15, 2017 and September 15, 2017 Member teo:DerivativeInstrumentEffective2017Member
2092 Effective from March 15, 2017 Member teo:DerivativeInstrumentEffectiveMarch2017Member
2093 Effective from September 15, 2017 Member teo:DerivativeInstrumentEffectiveSeptember2017Member
2094 Effective from March 15, 2018 Member teo:DerivativeInstrumentEffectiveMarch2018Member
2095 Maturing between February and April 2018 Member teo:DerivativeInstrumentMaturingBetweenFebruaryAndApril2018Member
2096 Maturing between March and August 2018 Member teo:DerivativeInstrumentMaturingBetweenMarchAndAugust2018Member
2097 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2098 Risks [member] Member ifrs-full:TypesOfRisksMember
2099 Currency risk Member ifrs-full:CurrencyRiskMember
2100 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
2101 Hedges [member] Member ifrs-full:TypesOfHedgesMember
2102 Fair value hedges Member ifrs-full:FairValueHedgesMember
2103 Exchange rate hedges Member ifrs-full:HedgesOfNetInvestmentInForeignOperationsMember
2104 Range [axis] Axis ifrs-full:RangeAxis
2105 Ranges [member] Member ifrs-full:RangesMember
2106 Minimum Member ifrs-full:BottomOfRangeMember
2107 Maximum Member ifrs-full:TopOfRangeMember
2108 Weighted average Member ifrs-full:WeightedAverageMember
2109 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
2110 Equity [member] Member ifrs-full:EquityMember
2111 Foreign currency exchange rate gains Member teo:ForeignCurrencyExchangeRateGainsMember
2112 Hedge accounting LineItems ifrs-full:DisclosureOfHedgeAccountingLineItems
2113 Total Hedged amount Concept (Monetary) As Of teo:TotalHedgedAmount
2114 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2115 Number of Tranches Concept (Integer) As Of teo:NumberOfTranches
2116 Average exchange rate Concept (Decimal) As Of ifrs-full:AveragePriceOfHedgingInstrument
2117 Liability of hedging instruments Concept (Monetary) As Of Credit ifrs-full:HedgingInstrumentLiabilities
2118 Net gain/loss Concept (Monetary) For Period Credit teo:GainLossOnFinancialInstruments
2119 Total NDF agreement amount Concept (Monetary) As Of Debit teo:TotalNdfAgreementAmount
2120 Receivables recognized Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
2121 Gains recognized from receivables Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnLoansAndReceivables
2122 Receivables recognized, Current Concept (Monetary) As Of Debit ifrs-full:CurrentLoansAndReceivables
2123 Receivables recognized, Non-current Concept (Monetary) As Of Debit ifrs-full:NoncurrentLoansAndReceivables
2124 Deferred income/expense before income tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxCashFlowHedges
2125 Interest rate (as a percent) Concept (Pure) For Period invest:InvestmentInterestRate
2126 42105 - Disclosure - FINANCIAL INSTRUMENTS - Offsetting of financial assets and financial liabilities (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialInstrumentsOffsettingOfFinancialAssetsAndFinancialLiabilitiesDetails
2127 Disclosure of offsetting of financial assets [table] Table

*

*

 ifrs-full:DisclosureOfOffsettingOfFinancialAssetsTable
2128 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
2129 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
2130 Trade receivables Member ifrs-full:TradeReceivablesMember
2131 Other receivables Member teo:OtherReceivablesMember
2132 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
2133 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
2134 Trade payables Member teo:TradePayablesMember
2135 Other liabilities Member teo:IfrsOtherLiabilitiesMember
2136 Offsetting of financial assets and financial liabilities LineItems ifrs-full:DisclosureOfOffsettingOfFinancialAssetsLineItems
2137 Current and noncurrent assets - Gross value Concept (Monetary) As Of Debit ifrs-full:GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
2138 Offsetting Concept (Monetary) As Of Credit ifrs-full:GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
2139 Current and noncurrent assets - Booked value Concept (Monetary) As Of Debit ifrs-full:NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition
2140 Current and noncurrent liabilities - Gross value Concept (Monetary) As Of Credit ifrs-full:GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
2141 Offsetting Concept (Monetary) As Of Debit ifrs-full:GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
2142 Current and noncurrent liabilities - Booked value Concept (Monetary) As Of Credit ifrs-full:NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition
2143 42201 - Disclosure - REVENUES (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureRevenuesDetails
2144 Implied Table Table

*

*

 implied:Table
2145 REVENUES Abstract ifrs-full:RevenueAbstract
2146 Revenue from Mobile services Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfMobileTelephoneServices
2147 Revenue from internet service Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfInternetServices
2148 Cable Television Services Concept (Monetary) For Period Credit teo:RevenueFromRenderingOfCableTelevisionServices
2149 Fixed and Data Services Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfDataServices
2150 Other services revenues Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfOtherTelecommunicationServices
2151 Total Services revenues Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfTelecommunicationServices
2152 Equipment revenues Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfTelecommunicationEquipment
2153 Revenue from sale of equipment and rendering of services Concept (Monetary) For Period Credit teo:RevenueFromSaleOfEquipmentAndRenderingOfTelecommunicationServices
2154 42301 - Disclosure - OPERATING EXPENSES (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureOperatingExpensesDetails
2155 Implied Table Table

*

*

 implied:Table
2156 OPERATING EXPENSES Abstract teo:DisclosureOfOperatingExpensesAbstract
2157 Operating expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
2158 Employee benefit expenses and severance payments Abstract ifrs-full:ShorttermEmployeeBenefitsExpenseAbstract
2159 Salaries, Social security expenses and benefits Concept (Monetary) For Period Debit teo:SalariesSocialSecurityContribution
2160 Severance indemnities and termination benefits Concept (Monetary) For Period Debit teo:SeveranceIndemnitiesAndTerminationBenefitsExpense
2161 Other employee benefits Concept (Monetary) For Period Debit ifrs-full:OtherEmployeeExpense
2162 Employee benefit expenses and severance payments Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
2163 42302 - Disclosure - OPERATING EXPENSES - Fees for services, maintenance, materials and supplies (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureOperatingExpensesFeesForServicesMaintenanceMaterialsAndSuppliesDetails
2164 Implied Table Table

*

*

 implied:Table
2165 OPERATING EXPENSES Abstract teo:DisclosureOfOperatingExpensesAbstract
2166 Maintenance and materials Concept (Monetary) For Period Debit teo:MaintenanceAndMaterials
2167 Fees for services Concept (Monetary) For Period Debit teo:FeesForServices
2168 Directors and Supervisory Committee's fees Concept (Monetary) For Period Debit teo:DirectorsAndSupervisoryCommitteesFees
2169 Total fees for services, maintenance, materials and supplies Concept (Monetary) For Period Debit teo:FeesForServicesMaintenanceMaterialsAndSuppliesExpense
2170 42303 - Disclosure - OPERATING EXPENSES - Taxes and fees with the Regulatory Authority (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureOperatingExpensesTaxesAndFeesWithRegulatoryAuthorityDetails
2171 Implied Table Table

*

*

 implied:Table
2172 OPERATING EXPENSES Abstract teo:DisclosureOfOperatingExpensesAbstract
2173 Turnover tax Concept (Monetary) For Period Debit teo:TurnoverTax
2174 Municipal taxes Concept (Monetary) For Period Debit teo:MunicipalTaxes
2175 Other taxes and fees Concept (Monetary) For Period Debit teo:OtherTaxesAndFees
2176 Total taxes and fees with the regulatory authority Concept (Monetary) For Period Debit ifrs-full:TaxExpenseOtherThanIncomeTaxExpense
2177 42304 - Disclosure - OPERATING EXPENSES - Cost of equipment and handsets (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureOperatingExpensesCostOfEquipmentAndHandsetsDetails
2178 Implied Table Table

*

*

 implied:Table
2179 OPERATING EXPENSES Abstract teo:DisclosureOfOperatingExpensesAbstract
2180 Cost of equipment and handsets Abstract teo:ChangesInCostOfEquipmentAndHandsetsAbstract
2181 Inventories at the beginning of the year Concept (Monetary) As Of Debit ifrs-full:InventoriesTotal
2182 Plus: Abstract teo:InventoriesAdditionsAbstract
2183 Incorporation by merger Concept (Monetary) For Period Debit teo:CostOfEquipmentAndHandsetIncorporationInMerger
2184 Purchases Concept (Monetary) For Period Debit teo:CostOfEquipmentAndHandsetPurchases
2185 Other Concept (Monetary) For Period Credit teo:CostOfEquipmentAndHandsetsProfitLossOther
2186 Less: Abstract teo:InventoriesDeductionsAbstract
2187 Inventories at the end of the year Concept (Monetary) As Of Debit ifrs-full:InventoriesTotal
2188 Cost of equipment and handsets Concept (Monetary) For Period Debit ifrs-full:CostOfMerchandiseSold
2189 42305 - Disclosure - OPERATING EXPENSES - Other operating income and expenses (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureOperatingExpensesOtherOperatingIncomeAndExpensesDetails
2190 Implied Table Table

*

*

 implied:Table
2191 OPERATING EXPENSES Abstract teo:DisclosureOfOperatingExpensesAbstract
2192 Provisions Concept (Monetary) For Period Credit ifrs-full:ChangesInOtherProvisions
2193 Rentals and internet capacity Concept (Monetary) For Period Debit teo:RentalAndInternetCapacityExpenses
2194 Other Concept (Monetary) For Period Credit teo:MiscellaneousOtherOperatingIncomeExpense
2195 Other operating income and expenses Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
2196 42306 - Disclosure - OPERATING EXPENSES - Depreciation & Amortization (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureOperatingExpensesDepreciationAmortizationDetails
2197 Implied Table Table

*

*

 implied:Table
2198 OPERATING EXPENSES Abstract teo:DisclosureOfOperatingExpensesAbstract
2199 Depreciation of PP&E Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
2200 Amortization of intangible assets Concept (Monetary) For Period Debit teo:AmortizationOnIntangibleAssets
2201 Impairment of PP&E Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
2202 Impairment of Intangible assets Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
2203 Depreciation, amortization and impairment of PP&E and Intangible assets Concept (Monetary) For Period Debit ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
2204 42307 - Disclosure - OPERATING EXPENSES - Expenses disclosed per function (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureOperatingExpensesExpensesDisclosedPerFunctionDetails
2205 Statement [Table] Table

*

*

 us-gaap:StatementTable
2206 IFRS Income Statement Location [Axis] Axis teo:IfrsIncomeStatementLocationAxis
2207 IFRS Income Statement Location [Domain] Member teo:IfrsIncomeStatementLocationDomain
2208 Operating costs Member teo:OperatingCostsMember
2209 Commercialization costs Member teo:CommercializationCostMember
2210 Administration costs Member teo:AdministrationCostsMember
2211 Statement [Line Items] LineItems us-gaap:StatementLineItems
2212 Employee benefit expenses and severance payments Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
2213 Interconnection and transmission costs Concept (Monetary) For Period Debit ifrs-full:CommunicationExpense
2214 Fees for services, maintenance, materials and supplies Concept (Monetary) For Period Debit teo:FeesForServicesMaintenanceMaterialsAndSuppliesExpense
2215 Taxes and fees with the Regulatory Authority Concept (Monetary) For Period Debit ifrs-full:TaxExpenseOtherThanIncomeTaxExpense
2216 Commissions and advertising Concept (Monetary) For Period Debit teo:CommissionsAndAdvertisingExpenses
2217 Cost of equipment and handsets Concept (Monetary) For Period Debit ifrs-full:CostOfMerchandiseSold
2218 Programming and content costs Concept (Monetary) For Period Debit teo:ProgrammingAndContentCosts
2219 Bad debt expenses Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLossTradeReceivables
2220 Other operating income and expenses Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
2221 Depreciation, amortization and impairment of PP&E and Intangible assets Concept (Monetary) For Period Debit ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
2222 Total operating expense Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
2223 42308 - Disclosure - OPERATING EXPENSES - Future minimum lease payments (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureOperatingExpensesFutureMinimumLeasePaymentsDetails
2224 Disclosure of finance lease and operating lease by lessee [table] Table

*

*

 ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable
2225 Maturity [axis] Axis ifrs-full:MaturityAxis
2226 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2227 First year Member ifrs-full:NotLaterThanOneYearMember
2228 1-5 years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
2229 More than 5 years Member ifrs-full:LaterThanFiveYearsMember
2230 Operating leases LineItems ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems
2231 Future minimum lease payments Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
2232 42401 - Disclosure - FINANCIAL RESULTS, NET (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialResultsNetDetails
2233 Statement of Financial Results, Net [Table] Table

*

*

 teo:StatementOfFinancialResultsNetTable
2234 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2235 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2236 NDF Member teo:NonDeliverableForwardContractsMember
2237 Finance income and expenses LineItems teo:StatementOfFinanceIncomeAndExpensesLineItems
2238 Interests on debts (*) Concept (Monetary) For Period Debit teo:InterestsOnDebts
2239 Foreign currency exchange losses on debts (**) Concept (Monetary) For Period Debit teo:ForeignExchangeGainOnDebts
2240 Other Foreign currency exchange gains (losses) (***) Concept (Monetary) For Period Credit teo:OtherFinancialExpensesOnDebts
2241 Total Debt financial expenses Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
2242 Interests and gains on investments Concept (Monetary) For Period Credit teo:InterestsAndGainsOnInvestments
2243 Taxes and bank expenses Concept (Monetary) For Period Debit teo:TaxesAndBankExpenses
2244 Other Foreign currency exchange gains (losses) (***) Concept (Monetary) For Period Credit teo:OtherNetForeignExchangeGain
2245 Financial discounts on assets, debts and other Concept (Monetary) For Period Debit teo:FinancialDiscountsOnAssetsDebtsAndOther
2246 Gains (losses) on Operations with Notes and Bonds Concept (Monetary) For Period Debit teo:GainsLossesOnOperationsWithNotesAndBonds
2247 Interests on Provisions Concept (Monetary) For Period Credit teo:InterestsOnProvisions
2248 Financial expenses on pension benefits Concept (Monetary) For Period Credit teo:FinancialExpensesOnPensionBenefits
2249 RECPAM Concept (Monetary) For Period Debit teo:OtherFinancialCostRelatedToRecpam
2250 Other Concept (Monetary) For Period Debit ifrs-full:OtherFinanceCost
2251 Total other financial results, net Concept (Monetary) For Period Credit teo:OtherFinanceIncomeCostNet
2252 Financial results, net Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
2253 42501 - Disclosure - EARNINGS PER SHARE (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureEarningsPerShareDetails
2254 Earnings per share [table] Table

*

*

 ifrs-full:EarningsPerShareTable
2255 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
2256 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
2257 Cablevision Holding S.A. Member teo:CablevisionHoldingMember
2258 Earnings per share [line items] LineItems ifrs-full:EarningsPerShareLineItems
2259 Dilutive potential common stock outstanding (in shares) Concept (Shares) For Period ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
2260 Dilutive earnings per share (In pesos per share) Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
2261 Weighted average number of shares outstanding Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
2262 Weighted average number of shares outstanding (in shares) Concept (Shares) For Period ifrs-full:WeightedAverageShares
2263 Ordinary shares outstanding Concept (Shares) As Of us-gaap:CommonStockSharesOutstanding
2264 Share exchange ratio Concept (Pure) For Period teo:ShareExchangeRatioInBusinessCombination
2265 42601 - Disclosure - FINANCIAL RISK MANAGEMENT - Market risk (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialRiskManagementMarketRiskDetails
2266 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2267 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2268 Risks [member] Member ifrs-full:TypesOfRisksMember
2269 Currency risk Member ifrs-full:CurrencyRiskMember
2270 Financial risk management LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2271 Financial debt Concept (Monetary) As Of Credit ifrs-full:Borrowings
2272 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
2273 Liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
2274 Assets (Liabilities) Net Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
2275 NDF Concept (Monetary) As Of Credit teo:NonDeliverableForwardContractsAmount
2276 Net liability position in foreign currency not covered by NDF Concept (Monetary) As Of Credit teo:NetLiabilityPositionExcludingDollarLinkedInvestmentsOtherShortTermInvestmentsAndNdfs
2277 Net liability position in foreign currency not covered by NDF contracts Concept (Monetary) As Of Credit teo:NetLiabilityPositionNotCoveredByNonDeliverableForwardContracts
2278 42602 - Disclosure - FINANCIAL RISK MANAGEMENT - Sensitivity analysis of exchange and interest rate risk (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialRiskManagementSensitivityAnalysisOfExchangeAndInterestRateRiskDetails
2279 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2280 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2281 Risks [member] Member ifrs-full:TypesOfRisksMember
2282 Currency risk Member ifrs-full:CurrencyRiskMember
2283 Interest rate risk Member ifrs-full:InterestRateRiskMember
2284 Financial risk management LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2285 Net liability position in foreign currency Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
2286 Estimated variation in exchange rate Concept (Pure) For Period teo:EstimatedVariationInExchangeRate
2287 Estimated variation in consolidated amounts of foreign currency position Concept (Monetary) As Of Credit teo:EstimatedVariationInConsolidatedFinancialPosition
2288 Net liability position in foreign currency not covered by NDF Concept (Monetary) As Of Credit teo:NetLiabilityPositionExcludingDollarLinkedInvestmentsOtherShortTermInvestmentsAndNdfs
2289 Estimated variation in consolidated amounts of foreign currency position on the portion not covered by derivative financial instruments and other assets Concept (Monetary) As Of Credit teo:EstimatedVariationInConsolidatedFinancialPositionPortionNotCoveredByDerivativeFinancialInstrumentsAndOtherAssets
2290 NDF at variable rate Concept (Monetary) As Of Credit teo:FinancialDebtConversionOfVariableRateIntoFixedRate
2291 NDF Concept (Monetary) As Of Credit teo:NonDeliverableForwardContractsAmount
2292 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
2293 Net financial debt not hedged Concept (Monetary) As Of Credit teo:FinancialDebtNotHedged
2294 Variation in agreed interest rates (as a percent) Concept (Percent) For Period teo:PercentageOfReasonablyPossibleIncreaseDecreaseInRiskAssumption
2295 Effect Concept (Monetary) As Of Credit teo:IncreaseDecreaseInFinancialInstrumentDueToReasonablyPossibleIncreaseDecreaseInDesignatedRiskComponent
2296 42603 - Disclosure - FINANCIAL RISK MANAGEMENT - Credit risk (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialRiskManagementCreditRiskDetails
2297 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
2298 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
2299 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
2300 Cash and cash equivalents Member teo:IfrsCashAndCashEquivalentsMember
2301 Investments Member teo:IfrsInvestmentsMember
2302 Trade receivables Member ifrs-full:TradeReceivablesMember
2303 Other receivables Member teo:OtherReceivablesMember
2304 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2305 Risks [member] Member ifrs-full:TypesOfRisksMember
2306 Credit risk Member ifrs-full:CreditRiskMember
2307 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
2308 Past due status [member] Member ifrs-full:PastDueStatusMember
2309 Due Member teo:PastDueMember
2310 Not due Member ifrs-full:CurrentMember
2311 Credit risk exposure LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
2312 Total financial assets Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRisk
2313 Overdue balances not covered by the allowance for doubtful accounts Concept (Monetary) As Of Debit teo:OverdueBalancesNotCoveredByAllowanceForDoubtfulAccounts
2314 42604 - Disclosure - FINANCIAL RISK MANAGEMENT - Liquidity risk (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialRiskManagementLiquidityRiskDetails
2315 Implied Table Table

*

*

 implied:Table
2316 FINANCIAL RISK MANAGEMENT Abstract ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract
2317 Operative working capital - negative Abstract teo:OperativeWorkingCapitalAbstract
2318 Trade receivables Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
2319 Other receivables (not considering financial NDF) Concept (Monetary) As Of Debit teo:OtherCurrentReceivablesExcludingFinancialNonDeliverableForward
2320 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
2321 Current liabilities (not considering financial debt) Concept (Monetary) As Of Credit teo:CurrentLiabilitiesExcludingCurrentFinancialDebt
2322 Operative working capital - negative Concept (Monetary) As Of Debit teo:OperativeWorkingCapital
2323 Over revenues Concept (Percent) For Period teo:PercentageOfOperativeWorkingCapital
2324 Variations in operative working capital - negative Abstract teo:IfrsIncreaseDecreaseInOperatingCapitalAbstract
2325 Variation in trade receivables Concept (Monetary) For Period Debit teo:IncreaseDecreaseInTradeReceivables
2326 Variation in other receivables Concept (Monetary) For Period Debit teo:IfrsIncreaseDecreaseInOtherReceivables
2327 Variation in inventories Concept (Monetary) For Period Debit teo:IfrsIncreaseDecreaseInInventories
2328 Variation in current liabilities (not considering financial debt) Concept (Monetary) For Period Credit teo:IncreaseDecreaseInCurrentLiabilitiesExcludingCurrentFinancialDebt
2329 Variation in operative working capital Concept (Monetary) For Period Debit teo:IfrsIncreaseDecreaseInOperatingCapital
2330 Net current financial asset (debt) Abstract teo:NetCurrentFinancialAssetDebtAbstract
2331 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
2332 Financial NDF Concept (Monetary) As Of Debit teo:NonDeliverableForwardCurrent
2333 Investments Concept (Monetary) As Of Debit ifrs-full:CurrentInvestments
2334 Current financial debt Concept (Monetary) As Of Credit ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
2335 Net Current financial (liability) asset Concept (Monetary) As Of Debit teo:FinancialAssetsLiabilitiesNetCurrent
2336 Variations in net current financial asset (debt) Abstract teo:VariationsInNetCurrentFinancialAssetDebt
2337 Variation in cash and cash equivalents Concept (Monetary) For Period Debit teo:IfrsIncreaseDecreaseInCashAndCashEquivalents
2338 Variation in investments Concept (Monetary) For Period Debit teo:IfrsIncreaseDecreaseInInvestments
2339 Variation in Financial NDF Concept (Monetary) For Period Debit teo:IncreaseDecreaseInNonDeliverableForwardCurrent
2340 Variation in current financial debt Concept (Monetary) For Period Credit teo:IfrsIncreaseDecreaseInCurrentFinancialDebt
2341 Variation in net Current financial (liability) asset Concept (Monetary) For Period Debit teo:IfrsIncreaseDecreaseInFinancialAssetsLiabilitiesNetCurrent
2342 Negative operating working capital (current assets - current liabilities) Concept (Monetary) As Of Debit ifrs-full:CurrentAssetsLiabilities
2343 Variation in working capital Concept (Monetary) For Period Debit teo:IfrsIncreaseDecreaseInWorkingCapital
2344 Liquidity rate Concept (Pure) For Period teo:LiquidityRate
2345 Variation in liquidity rate Concept (Pure) For Period teo:IncreaseDecreaseInLiquidityRate
2346 42605 - Disclosure - FINANCIAL RISK MANAGEMENT - Maturity analysis of financial liabilities and Capital management (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureFinancialRiskManagementMaturityAnalysisOfFinancialLiabilitiesAndCapitalManagementDetails
2347 Disclosure of Maturity Analysis for Financial Liabilities Held for Managing Liquidity Risk [Table] Table

*

*

 teo:DisclosureOfMaturityAnalysisForFinancialLiabilitiesHeldForManagingLiquidityRiskTable
2348 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2349 Risks [member] Member ifrs-full:TypesOfRisksMember
2350 Liquidity risk Member ifrs-full:LiquidityRiskMember
2351 Maturity [axis] Axis ifrs-full:MaturityAxis
2352 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2353 Due Member teo:PastDueMember
2354 First year Member ifrs-full:NotLaterThanOneYearMember
2355 Second year Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
2356 January 2021 thru December 2021 Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
2357 January 2022 and thereafter Member ifrs-full:LaterThanThreeYearsMember
2358 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
2359 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
2360 Trade payables Member teo:TradePayablesMember
2361 Financial Debt Member teo:IfrsLoansPayableMember
2362 Salaries and social security payables Member teo:SalariesAndSocialSecurityPayablesMember
2363 Other liabilities Member teo:IfrsOtherLiabilitiesMember
2364 Schedule of maturity of financial liabilities LineItems teo:DisclosureOfMaturityAnalysisForFinancialLiabilitiesHeldForManagingLiquidityRiskLineItems
2365 Financial liabilities Concept (Monetary) As Of Credit ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows
2366 Increase in capital in relation to size of merger Concept (Monetary) As Of Credit teo:IncreaseDecreaseThroughMergerEquity
2367 42701 - Disclosure - BALANCES AND TRANSACTIONS WITH COMPANIES UNDER SECTION 33 - LAW No. 19,550 AND RELATED PARTIES - Controlling Company (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureBalancesAndTransactionsWithCompaniesUnderSection33LawNo19550AndRelatedPartiesControllingCompanyDetails
2368 Disclosure of transactions between related parties [table] Table

*

*

 ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2369 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2370 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2371 Related party Member ifrs-full:RelatedPartiesMember
2372 Cablevision Holding S.A. Member teo:CablevisionHoldingMember
2373 Nortel Member teo:NortelInversoraS.a.Member
2374 Sofora Member teo:SoforaTelecomunicacionesS.a.Member
2375 Fintech Telecom Member teo:FintechTelecomLLCMember
2376 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
2377 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
2378 Subsidiaries Member ifrs-full:SubsidiariesMember
2379 Telecom Argentina Member teo:TelecomArgentinaS.a.Member
2380 Nortel Member teo:NortelInversoraS.a.Member
2381 Sofora Member teo:SoforaTelecomunicacionesS.a.Member
2382 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2383 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2384 Preference shares Member ifrs-full:PreferenceSharesMember
2385 Class A Preferred shares Member teo:ClassaPreferredSharesMember
2386 Class B Preferred shares Member teo:ClassBPreferredSharesMember
2387 Related party balances and transactions LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
2388 Ownership percentage by parent Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
2389 Equity interest in preferred shares (as a percent) Concept (Percent) For Period teo:ProportionOfEquityInterestInPreferredShares
2390 Ownership percentage after treasury shares acquisition Concept (Percent) For Period teo:ProportionOfOwnershipInterestInSubsidiaryAfterTreasurySharesAcquisition
2391 Par value (in argentine peso per share) Concept (Share) As Of ifrs-full:ParValuePerShare
2392 Number of votes per share Concept (Integer) As Of teo:NumberOfVotesPerShare
2393 Number of shares held in investment company Concept (Shares) As Of teo:NumberOfSharesHeldInInvestmentCompany
2394 Acquisition percentage Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
2395 42702 - Disclosure - BALANCES AND TRANSACTIONS WITH COMPANIES UNDER SECTION 33 - LAW No. 19,550 AND RELATED PARTIES - Public Tender Offer due to change of control (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureBalancesAndTransactionsWithCompaniesUnderSection33LawNo19550AndRelatedPartiesPublicTenderOfferDueToChangeOfControlDetails
2396 Disclosure of transactions between related parties [table] Table

*

*

 ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2397 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2398 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2399 Class "B" Member teo:ClassBOrdinarySharesMember
2400 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2401 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2402 Related party Member ifrs-full:RelatedPartiesMember
2403 Cablevision S.A. Member teo:CablevisionSaMember
2404 Disclosure of transactions between related parties LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
2405 Percentage of shares acquired under PTO Concept (Percent) As Of teo:PercentageOfSharesAcquiredInPublicTenderOffer
2406 Number of shares acquired under PTO Concept (Shares) As Of teo:RightToAcquireUnderPublicTenderOfferNumberOfShares
2407 Price per share Concept (Decimal) As Of teo:PricePerShareOfferedUnderPublicTenderOffer
2408 42703 - Disclosure - BALANCES AND TRANSACTIONS WITH COMPANIES UNDER SECTION 33 - LAW No. 19,550 AND RELATED PARTIES - Balances with related parties (Details) Network

*

*

 http://www.telecom.com.ar/role/DisclosureBalancesAndTransactionsWithCompaniesUnderSection33LawNo19550AndRelatedPartiesBalancesWithRelatedPartiesDetails
2409 Disclosure of transactions between related parties [table] Table

*

*

 ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2410 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2411 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2412 Controlling Company Member teo:ControllingCompanyMember
2413 Cablevision Holding S.A. Member teo:CablevisionHoldingMember
2414 VLG Argentina LLC Member teo:VlgArgentinaLlcMember
2415 Fintech Telecom Member teo:FintechTelecomLLCMember
2416 Associates Member ifrs-full:AssociatesMember
2417 La Capital Cable S.A Member teo:LaCapitalCableS.aMember
2418 Teledifusora San Miguel Arcngel S.A. Member teo:TeledifusoraSanMiguelArcngelS.a.Member
2419 Ver T.V. S.A. Member teo:VerT.v.S.a.Member
2420 Televisora Privada del Oeste S.A. Member teo:TelevisoraPrivadaDelOesteS.a.Member
2421 Related party Member ifrs-full:RelatedPartiesMember
2422 Other Related parties Member ifrs-full:OtherRelatedPartiesMember
2423 Related party balances and transactions LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
2424 CURRENT ASSETS Abstract teo:CurrentAssetsRelatedPartyTransactionsAbstract
2425 Other receivables Concept (Monetary) As Of Debit teo:OtherReceivablesRelatedPartyTransaction
2426 Dividends receivable Concept (Monetary) As Of Debit teo:DividendReceivableRelatedPartyTransactions
2427 Trade receivables Concept (Monetary) As Of Debit teo:TradeReceivablesRelatedPartyTransactions
2428 CURRENT LIABILITIES Abstract teo:CurrentLiabilitiesRelatedPartyTransactionsAbstract
2429 Dividends Payables Concept (Monetary) As Of Credit teo:DividendsPayableRelatedPartyTransaction
2430 Trade payables Concept (Monetary) As Of Credit teo:TradePayablesRelatedPartyTransactions
2431 Financial Debt Concept (Monetary) As Of Credit teo:FinancialDebtRelatedPartyTransactions
2432 42704 - Disclosure - BALANCES AND TRANSACTIONS WITH COMPANIES UNDER SECTION 33 - LAW No. 19,550 AND RELATED PARTIES - Transactions with companies (Details) Network

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*

 http://www.telecom.com.ar/role/DisclosureBalancesAndTransactionsWithCompaniesUnderSection33LawNo19550AndRelatedPartiesTransactionsWithCompaniesDetails
2433 Disclosure of transactions between related parties [table] Table

*

*

 ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2434 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2435 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2436 Controlling Company Member teo:ControllingCompanyMember
2437 Grupo Clarn S.A. Member teo:GrupoClarnS.a.Member
2438 Cablevision Holding S.A. Member teo:CablevisionHoldingMember
2439 Associates Member ifrs-full:AssociatesMember
2440 La Capital Cable S.A Member teo:LaCapitalCableS.aMember
2441 Related party Member ifrs-full:RelatedPartiesMember
2442 Other Related parties Member ifrs-full:OtherRelatedPartiesMember
2443 Ifrs Related Party Transaction [Axis] Axis teo:IfrsRelatedPartyTransactionAxis
2444 Ifrs Related Party Transaction [Member] Member teo:IfrsRelatedPartyTransactionMember
2445 Services revenues Member teo:ServicesRevenuesMember
2446 Other revenues Member teo:OtherRevenuesMember
2447 Fees for services Member teo:FeesForServicesMember
2448 Interests on debt Member teo:InterestsOnDebtMember
2449 Advertising sales Member teo:AdvertisingSalesMember
2450 Programming costs Member teo:ProgrammingCostsMember
2451 Editing and distribution of magazines Member teo:EditingAndDistributionOfMagazinesMember
2452 Advisory services Member teo:AdvisoryServicesMember
2453 Advertising Purchases Member teo:AdvertisingPurchasesMember
2454 Other purchases Member teo:OtherPurchasesMember
2455 Disclosure of transactions between related parties LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
2456 Revenues Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfServicesRelatedPartyTransactions
2457 Operating costs Concept (Monetary) For Period Debit teo:OperatingCostsRelatedPartyTransaction
2458 Finance results Concept (Monetary) For Period Debit teo:FinanceResultsRelatedPartyTransaction
2459 42705 - Disclosure - BALANCES AND TRANSACTIONS WITH COMPANIES UNDER SECTION 33 - LAW No. 19,550 AND RELATED PARTIES - Key Managers (Details) Network

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 http://www.telecom.com.ar/role/DisclosureBalancesAndTransactionsWithCompaniesUnderSection33LawNo19550AndRelatedPartiesKeyManagersDetails
2460 Implied Table Table

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 implied:Table
2461 BALANCES AND TRANSACTIONS WITH COMPANIES UNDER SECTION 33 - LAW No. 19,550 AND RELATED PARTIES Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
2462 Social security contributions Concept (Monetary) For Period Debit teo:KeyManagementPersonnelCompensationSocialSecurityContributions
2463 Total Compensation for Key Managers Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
2464 Amount payable under compensation for Key Managers Concept (Monetary) As Of Credit teo:KeyManagementPersonnelCompensationOutstandingAmountPayable
2465 Estimated compensation Concept (Monetary) For Period Debit teo:BoardOfDirectorsCompensationEstimatedCompensation
2466 Compensation for members of Board of Directors Concept (Monetary) For Period Debit ifrs-full:DirectorsRemunerationExpense
2467 42801 - Disclosure - RESTRICTIONS ON DISTRIBUTION OF PROFITS (Details) Network

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 http://www.telecom.com.ar/role/DisclosureRestrictionsOnDistributionOfProfitsDetails
2468 Implied Table Table

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 implied:Table
2469 RESTRICTIONS ON DISTRIBUTION OF PROFITS Abstract teo:RestrictionsOnDistributionOfProfitsAndDividendsAbstract
2470 Minimum percentage of net income to be appropriated Concept (Percent) For Period teo:MinimumPercentageOfNetIncomeToBeAllocatedToStatutoryReserve
2471 Threshold percentage of statutory reserves of the outstanding capital, used as criteria of allocation requirement Concept (Percent) For Period teo:ThresholdPercentageOfStatutoryReserveNeedToBeMadeOverEntitiesOutstandingCapital
2472 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings

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