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SIGNIFICANT ACCOUNTING POLICIES - Interests in Joint Operations (Details) | 12 Months Ended
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Dec. 31, 2022
UTE Ertach - Cablevision |
SIGNIFICANT ACCOUNTING POLICIES |
Ownership interest in joint venture (in percentage) | 50.00%

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

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- Definition The proportion of ownership interest in a joint operation attributable to the entity. [Refer: Joint operations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph 21 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2022-03-24 + Details
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Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_JointOperationsAxis=teo_UteErtachCablevisionMember
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Data Type: | na
Balance Type: |
Period Type: |