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REGULATORY FRAMEWORK - Spectrum (Details) | 12 Months Ended
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Dec. 31, 2021
Regulatory framework |
Usage period of the auctioned frequency bands | 15 years
Adesol |
Regulatory framework |
Term of the license agreement | 15 years

X
- Definition Represents the period of usage for the auctioned frequency bands awarded, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter. + References No definition available. + Details
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Namespace Prefix: | teo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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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
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Namespace Prefix: | teo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the term of the license agreement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter. + References No definition available. + Details
Name: | teo_TermOfLicenseAgreement
Namespace Prefix: | teo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=teo_AdesolMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |