The amount of revenue arising from construction contracts. Construction contracts are contracts specifically negotiated for the construction of an asset or a combination of assets that are closely interrelated or interdependent in terms of their design, technology and function or their ultimate purpose or use. [Refer: Revenue]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_RevenueFromConstructionContracts
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The agreed amount of call option.

+ References

No definition available.

+ Details

Name:	teo_AgreedPriceOfCallOption
Namespace Prefix:	teo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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

- Definition

The amount of option premium paid included in other receivables.

+ References

No definition available.

+ Details

Name:	teo_OptionPremiumPaidIncludedInOtherReceivables
Namespace Prefix:	teo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the percentage of equity interest and voting rights held.

+ References

No definition available.

+ Details

Name:	teo_PercentageOfEquityInterestAndVotingRightsHeld
Namespace Prefix:	teo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of equity interests and political rights for call option agreements.

+ References

No definition available.

+ Details

Name:	teo_PercentageOfEquityInterestsAndPoliticalRightsForCallOption
Namespace Prefix:	teo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=teo_TelevisinDirigidaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=teo_NapervilleInvestmentsLlcAndSatumHoldingLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=teo_NapervilleInvestmentsLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=teo_MandaS.aMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=teo_MandaS.aMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CounterpartiesAxis=teo_MinorityShareholdersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=teo_SaturnHoldingLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SIGNIFICANT ACCOUNTING POLICIES - Revenues & Financial Instruments (Details) $ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023 ARS ($)	Dec. 31, 2022 ARS ($)	Dec. 31, 2021 ARS ($)	Dec. 31, 2023 USD ($)
Disclosure of Detailed Information About Significant Accounting Policies [line items]
Revenue on construction contracts recognized	$ 0	$ 6,032	$ 4,167
Televisin Dirigida
Disclosure of Detailed Information About Significant Accounting Policies [line items]
Agreed price of call option				$ 42
Option premium paid	$ 4,033			$ 5
Naperville Investments LLC and Saturn Holding LLC \| Televisin Dirigida
Disclosure of Detailed Information About Significant Accounting Policies [line items]
Percentage of equity interest and voting rights held	100.00%
Naperville Investments LLC \| Manda S.A
Disclosure of Detailed Information About Significant Accounting Policies [line items]
Percentage of equity interest and voting rights held	76.63%
Manda S.A \| Televisin Dirigida \| Minority shareholders
Disclosure of Detailed Information About Significant Accounting Policies [line items]
Percentage of equity interests and political rights for call option agreement	100.00%			100.00%
Percentage of equity interest and voting rights held	0.0037%
Saturn Holding LLC \| Manda S.A
Disclosure of Detailed Information About Significant Accounting Policies [line items]
Percentage of equity interest and voting rights held	23.37%