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v3.23.1

PROPERTY, PLANT AND EQUIPMENT, Right-of-use Assets (Details) - ARS ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Other Services and Production and Commercialization of Liquids Segments [Abstract] |  |
Right-of-use assets | $ 3,716,014 | $ 4,729,471
Book value Variation of Rights-of Use [Abstract] |  |
Depreciation, right-of-use assets | (1,013,457) | (1,013,459)
Other Plants [Member] |  |
Other Services and Production and Commercialization of Liquids Segments [Abstract] |  |
Right-of-use assets | 986,979 | 1,256,155
Book value Variation of Rights-of Use [Abstract] |  |
Depreciation, right-of-use assets | (269,176) | (269,177)
Compressor Plants [Member] |  |
Other Services and Production and Commercialization of Liquids Segments [Abstract] |  |
Right-of-use assets | 2,450,404 | 3,118,695
Book value Variation of Rights-of Use [Abstract] |  |
Depreciation, right-of-use assets | (668,291) | (668,293)
Other Technical Installations [Member] |  |
Other Services and Production and Commercialization of Liquids Segments [Abstract] |  |
Right-of-use assets | 278,631 | 354,621
Book value Variation of Rights-of Use [Abstract] |  |
Depreciation, right-of-use assets | $ (75,990) | $ (75,989)

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- Definition The amount of depreciation of right-of-use assets. [Refer: Depreciation and amortisation expense; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2022-03-24 -Paragraph 53 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53_a&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_DepreciationRightofuseAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2022-03-24 -Paragraph 53 -Subparagraph j -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53_j&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_RightofuseAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_OtherPlantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_CompressorPlantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_OtherTechnicalInstallationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |