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BALANCES AND TRANSACTIONS WITH RELATED PARTIES - Key Managers (Details) - ARS ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
BALANCES AND TRANSACTIONS WITH RELATED PARTIES |  |  |
Social security contributions | $ 17,266 | $ 5,898 | $ 2,775
Amount payable under compensation for Key Managers | 7,904 |  |
Estimated compensation | $ 3,224 | $ 765 | $ 435

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- References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition The amount of estimated compensation for board of directors. + References No definition available. + Details
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Namespace Prefix: | teo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition The amount of unpaid compensation for key management personnel. + References No definition available. + Details
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Namespace Prefix: | teo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition The amount of compensation to key management personnel in the form of social security contributions. + References No definition available. + Details
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Namespace Prefix: | teo_
Data Type: | xbrli:monetaryItemType
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Period Type: | duration