XML 92 R67.htm IDEA: XBRL DOCUMENT
v3.21.1

DETAIL OF SIGNIFICANT STATEMENT OF FINANCIAL POSITION AND STATEMENT OF COMPREHENSIVE INCOME CAPTIONS, Disaggregation of Revenues by Geographical Market (Details) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Revenues [Abstract] |  |  |
Revenues | $ 55,871,438 | $ 66,111,903 | $ 71,336,882
Over the Time [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 29,940,712 | 36,281,638 | 37,991,452
At a Point in Time [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 25,930,726 | 29,830,265 | 33,345,430
External Market [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 9,534,556 | 12,449,866 | 12,618,988
Local Market [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 46,336,882 | 53,662,037 | 58,717,894
Natural Gas Transportation [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues |  | 30,795,577 |
Reportable Segments [Member] | Natural Gas Transportation [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 23,501,610 | 30,795,577 | 32,381,937
Reportable Segments [Member] | Natural Gas Transportation [Member] | Over the Time [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 23,501,610 | 30,795,577 | 32,381,937
Reportable Segments [Member] | Natural Gas Transportation [Member] | At a Point in Time [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 0 | 0 | 0
Reportable Segments [Member] | Natural Gas Transportation [Member] | External Market [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 0 | 0 | 0
Reportable Segments [Member] | Natural Gas Transportation [Member] | Local Market [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 23,501,610 | 30,795,577 | 32,381,937
Reportable Segments [Member] | Production and Commercialization of Liquids [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 27,596,696 | 31,500,457 | 34,822,547
Reportable Segments [Member] | Production and Commercialization of Liquids [Member] | Over the Time [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 1,665,970 | 1,670,192 | 1,477,117
Reportable Segments [Member] | Production and Commercialization of Liquids [Member] | At a Point in Time [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 25,930,726 | 29,830,265 | 33,345,430
Reportable Segments [Member] | Production and Commercialization of Liquids [Member] | External Market [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 9,534,556 | 12,449,866 | 12,618,988
Reportable Segments [Member] | Production and Commercialization of Liquids [Member] | Local Market [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 18,062,140 | 19,050,591 | 22,203,559
Reportable Segments [Member] | Other Services [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 4,364,503 | 3,439,787 | 3,790,881
Reportable Segments [Member] | Other Services [Member] | Over the Time [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 4,364,503 | 3,439,787 | 3,790,881
Reportable Segments [Member] | Other Services [Member] | At a Point in Time [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 0 | 0 | 0
Reportable Segments [Member] | Other Services [Member] | External Market [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 0 | 0 | 0
Reportable Segments [Member] | Other Services [Member] | Local Market [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 4,364,503 | 3,439,787 | 3,790,881
Reportable Segments [Member] | Telecommunications [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 408,629 | 376,082 | 341,517
Reportable Segments [Member] | Telecommunications [Member] | Over the Time [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 408,629 | 376,082 | 341,517
Reportable Segments [Member] | Telecommunications [Member] | At a Point in Time [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 0 | 0 | 0
Reportable Segments [Member] | Telecommunications [Member] | External Market [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 0 | 0 | 0
Reportable Segments [Member] | Telecommunications [Member] | Local Market [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | $ 408,629 | $ 376,082 | $ 341,517

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

X
- Definition The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 28 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_28_a&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 23 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_23_a&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 32 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_32&doctype=Standard -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 33 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_33_a&doctype=Standard -URIDate 2020-01-01 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 34 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_34&doctype=Standard -URIDate 2020-01-01 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 82 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_82_a&doctype=Standard -URIDate 2020-01-01 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_103&doctype=Standard -URIDate 2020-01-01 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_102&doctype=Standard -URIDate 2020-01-01 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2020-01-01 -Paragraph 33 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2020-en-r&anchor=para_33_b_i&doctype=Standard -URIDate 2020-01-01 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B12 -Subparagraph b -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B12_b_v&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 11: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B -URIDate 2020-01-01 + Details
Name: | ifrs-full_Revenue
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_TimingOfTransferOfGoodsOrServicesAxis=ifrs-full_GoodsOrServicesTransferredOverTimeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TimingOfTransferOfGoodsOrServicesAxis=ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=ifrs-full_ForeignCountriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=ifrs-full_CountryOfDomicileMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=tgs_NaturalGasTransportationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentConsolidationItemsAxis=ifrs-full_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=tgs_ProductionAndCommercializationOfLiquidsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=tgs_OtherServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=tgs_TelecommunicationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |