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TRADE RECEIVABLES - Movements in the allowance for current doubtful accounts (Details) - ARS ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
TRADE RECEIVABLES |  |
At the beginning of the fiscal year | $ (19,080) | $ (29,667)
Increases - Bad debt expenses | (18,342) | (15,550)
Uses | 11,634 | 16,070
RECPAM and currency translation adjustments | 10,400 | 10,067
At the end of the year | $ (15,388) | $ (19,080)

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

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

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- References No definition available. + Details
Name: | teo_TradeReceivablesAbstract
Namespace Prefix: | teo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The decrease in an current allowance account for credit losses of trade receivables resulting from the utilisation of the allowance. + References No definition available. + Details
Name: | teo_UtilisationAllowanceAccountForCreditLossesOfTradeReceivables
Namespace Prefix: | teo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration