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DETAIL OF SIGNIFICANT STATEMENT OF FINANCIAL POSITION AND STATEMENT OF COMPREHENSIVE INCOME CAPTIONS, Taxes Payables (Details) - ARS ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Current [Abstract] |  |
Health and safety tax | $ 281,540 | $ 360,972
Withholdings and perceptions made to third parties | 6,046,066 | 2,495,166
Turnover Tax | 2,034,696 | 1,353,434
Tax on exports | 1,941,642 | 759,762
Others | 469,645 | 557,755
Total | 10,773,589 | 5,527,089
Non-current [Abstract] |  |
Health and safety tax | 0 | 0
Withholdings and perceptions made to third parties | 0 | 0
Turnover Tax | 0 | 0
Tax on exports | 0 | 0
Others | 0 | 204,959
Total | $ 0 | $ 204,959

X
- Definition Amount of current portion of tax payables related to health and safety. + References No definition available. + Details
Name: | tgs_CurrentHealthAndSafetyTax
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Refers to amount of current other tax payables. + References No definition available. + Details
Name: | tgs_CurrentOtherTaxPayables
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Refers to amount of current tax payables related to exports. + References No definition available. + Details
Name: | tgs_CurrentTaxOnExports
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Refers to amount of current tax payables. + References No definition available. + Details
Name: | tgs_CurrentTaxesPayables
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | tgs_CurrentTaxesPayablesAbstract
Namespace Prefix: | tgs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to amount of current tax payables related to turnover. + References No definition available. + Details
Name: | tgs_CurrentTurnoverTax
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of current portion of tax payables related to withholdings for income tax made to third parties. + References No definition available. + Details
Name: | tgs_CurrentWithholdingsForIncomeTaxMadeToThirdParties
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Refers to amount of non-current other tax payables. + References No definition available. + Details
Name: | tgs_NonCurrentOtherTaxPayables
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Refers to amount of non-current portion of tax payables related to exports. + References No definition available. + Details
Name: | tgs_NonCurrentTaxOnExports
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Refers to amount of non-current portion of tax payables related to health and safety. + References No definition available. + Details
Name: | tgs_NonCurrentTaxOnHealthAndSafetyTax
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Refers to amount of non-current taxes payables. + References No definition available. + Details
Name: | tgs_NonCurrentTaxesPayables
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | tgs_NonCurrentTaxesPayablesAbstract
Namespace Prefix: | tgs_
Data Type: | xbrli:stringItemType
Balance Type: | na
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X
- Definition Refers to amount of non-current tax payables related to turnover. + References No definition available. + Details
Name: | tgs_NonCurrentTurnoverTax
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of non-current portion of tax payables related to withholdings for income tax made to third parties. + References No definition available. + Details
Name: | tgs_NonCurrentWithholdingsForIncomeTaxMadeToThirdParties
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant