XML 105 R137.htm IDEA: XBRL DOCUMENT
v3.20.1

EQUITY - Capital stock (Details) |  |  | 1 Months Ended | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 05, 2019 Vote $ / shares | Sep. 30, 2019 Vote $ / shares shares | Jun. 28, 2019 Vote $ / shares | Jun. 30, 2019 Vote $ / shares shares | Dec. 31, 2019 ARS ($) Vote $ / shares shares | Dec. 31, 2018 ARS ($) Vote $ / shares shares | Sep. 10, 2019 shares | Sep. 04, 2019 $ / shares shares | Jan. 01, 2018 $ / shares shares
Equity |  |  |  |  |  |  |  |  |
Nominal value of issued shares | $ |  |  |  |  | $ 2,153,688,011 | $ 2,168,909,384 |  |  |
Nominal value (in pesos per share) | $ / shares |  | $ 1 |  | $ 1 | $ 1 | $ 1 |  |  |
Outstanding shares |  | 2,157,472,731 |  | 2,165,236,424 | 2,153,688,011 | 2,153,688,011 |  |  |
Number of votes per share | Vote |  | 1 |  | 1 | 1 | 1 |  |  |
Authorized public offering |  |  |  |  |  |  | 1,184,528,406 |  |
Treasury shares (in shares) |  |  |  |  |  | 15,221,373 |  |  |
Preliminary Merger Agreement and the Final Merger Agreement |  |  |  |  |  |  |  |  |
Equity |  |  |  |  |  |  |  |  |
Nominal value (in pesos per share) | $ / shares |  |  |  |  |  |  |  |  | $ 1
Cablevision Holding S.A. |  |  |  |  |  |  |  |  |
Equity |  |  |  |  |  |  |  |  |
Nominal value (in pesos per share) | $ / shares |  |  |  |  |  |  |  | $ 1 |
Class "A" | Preliminary Merger Agreement and the Final Merger Agreement |  |  |  |  |  |  |  |  |
Equity |  |  |  |  |  |  |  |  |
Shares issued |  |  |  |  |  |  |  |  | 342,861,748
Shares issued having veto rights |  |  |  |  |  |  |  |  | 683,856,600
Class "A" | Telecom Argentina |  |  |  |  |  |  |  |  |
Equity |  |  |  |  |  |  |  |  |
Shares issued |  |  |  |  |  |  | 342,861,748 |  |
Class "B" |  |  |  |  |  |  |  |  |
Equity |  |  |  |  |  |  |  |  |
Nominal value (in pesos per share) | $ / shares | $ 1 | $ 1 | $ 1 |  |  |  |  |  |
Number of votes per share | Vote | 1 | 1 | 1 |  |  |  |  |  |
Class "B" | BYMA and American Depositary Shares [Member] |  |  |  |  |  |  |  |  |
Equity |  |  |  |  |  |  |  |  |
Shares issued |  |  |  |  | 628,051,575 |  |  |  |
Class "D" | Preliminary Merger Agreement and the Final Merger Agreement |  |  |  |  |  |  |  |  |
Equity |  |  |  |  |  |  |  |  |
Shares issued |  |  |  |  |  |  |  |  | 841,666,658
Shares issued having veto rights |  |  |  |  |  |  |  |  | 841,666,658
Class "D" | Telecom Argentina |  |  |  |  |  |  |  |  |
Equity |  |  |  |  |  |  |  |  |
Shares issued |  |  |  |  |  |  | 841,666,658 |  |
Public offering |  |  |  |  |  |  |  |  |
Equity |  |  |  |  |  |  |  |  |
Authorized public offering |  |  |  |  |  |  |  | 1,184,528,406 |

X
- 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: | ifrs-full_DisclosureOfClassesOfShareCapitalLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The nominal value of capital issued. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_78_e&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_IssuedCapital
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of shares authorised. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 79 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_79_a_i&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NumberOfSharesAuthorised
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of shares issued by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_106_d&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NumberOfSharesIssued
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_79_a_iv&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NumberOfSharesOutstanding
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The nominal value per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 79 -Subparagraph a -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_79_a_iii&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ParValuePerShare
Namespace Prefix: | ifrs-full_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of shares in the entity held by the entity or by its subsidiaries or associates. [Refer: Associates [member]; Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 79 -Subparagraph a -Clause vi -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_79_a_vi&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of common stock voting rights. + References No definition available. + Details
Name: | teo_CommonStockVotingRightsNumber
Namespace Prefix: | teo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares issued by the entity having veto rights with the Shareholders agreement and the Company's Bylaws. + References No definition available. + Details
Name: | teo_NumberOfSharesIssuedWithVetoRights
Namespace Prefix: | teo_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis=teo_PreliminaryMergerAgreementAndFinalMergerAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=teo_CablevisionHoldingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=teo_ClassOrdinarySharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=teo_TelecomArgentinaS.a.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=teo_ClassBOrdinarySharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=teo_BymaAndAmericanDepositarySharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=teo_ClassDOrdinarySharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | teo_IfrsSaleOfStockAxis=teo_PublicOfferingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |