The amount of current investments.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_CurrentInvestments
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

Name:	ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The estimated amount of variation in consolidated financial position corresponding to the variation in exchange rate.

+ References

No definition available.

+ Details

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

- Definition

The percentage of estimated variation in exchange rate.

+ References

No definition available.

+ Details

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

- Definition

The increase (decrease) in a financial instrument as a result of an increase (decrease) in a designated risk component that was reasonably possible at the end of the reporting period. Excludes defined benefit plan obligations.

+ References

No definition available.

+ Details

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

- Definition

Amount of net liability position to foreign currency not covered by the derivative financial instruments.

+ References

No definition available.

+ Details

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

- Definition

The reasonably possible percentage of the increase (decrease) in the designated risk component used to determine the value of the financial instrument. Excludes defined benefit plan obligations.

+ References

No definition available.

+ Details

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

- Details

Name:	ifrs-full_TypesOfRisksAxis=ifrs-full_CurrencyRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfRisksAxis=ifrs-full_InterestRateRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfRisksAxis=ifrs-full_OtherPriceRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

FINANCIAL RISK MANAGEMENT - Sensitivity analysis of exchange and interest rate risk (Details) $ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2025 ARS ($)	Dec. 31, 2024 ARS ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Financial assets and liabilities denominated in foreign currencies
Investments	$ 323,064	$ 44,179
Currency risk
Financial assets and liabilities denominated in foreign currencies
Net liability position in foreign currency			$ 3,339.0	$ 2,201.0
Estimated variation in exchange rate	20.00%
Estimated variation in consolidated amounts of foreign currency position	$ 972,347	$ 597,884
Interest rate risk
Financial assets and liabilities denominated in foreign currencies
Variation in agreed interest rates (as a percent)	1.00%	1.00%
Effect of gain or loss	$ 90,305	$ 36,277
Price Risk
Financial assets and liabilities denominated in foreign currencies
Variation in agreed interest rates (as a percent)	10.00%	10.00%
Effect of gain or loss	$ 32,304	$ 1,704
Investments	$ 323,039	$ 17,038