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OTHER RECEIVABLES - Movements in the allowances (Details) - Other current receivable - ARS ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Movements in the allowances of other receivables |  |
At the beginning of the year | $ (2,333) | $ (2,236)
Increases | (1,027) | (1,206)
RECPAM and currency translation adjustments | 1,606 | 1,109
At the end of the year | $ (1,754) | $ (2,333)

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- Definition The amount of additional allowance for credit losses of other receivables recognised in profit or loss. + References No definition available. + Details
Name: | teo_AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfOtherReceivables
Namespace Prefix: | teo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of an allowance account used to record impairments to other receivables due to credit losses. + References No definition available. + Details
Name: | teo_AllowanceAccountForCreditLossesOfOherReceivables
Namespace Prefix: | teo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | teo_DisclosureOfOtherReceivablesLineItems
Namespace Prefix: | teo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The decrease in an allowance account for credit losses of other receivables resulting from the utilization and currency translation adjustments. + References No definition available. + Details
Name: | teo_RestatementAdjustmentsAndCurrencyTranslationAdjustmentsAllowanceAccountForCreditLossesOfOtherReceivables
Namespace Prefix: | teo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=teo_OtherCurrentReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |