XML 91 R73.htm IDEA: XBRL DOCUMENT
v3.20.1

PROFIT FROM ASSOCIATES (Details) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Profit from associates [Abstract] |  |  |
Profit from associates | $ (31,858) | $ 28,008 | $ 33,291
EGS (in liquidation) [Member] |  |  |
Profit from associates [Abstract] |  |  |
Profit from associates | (80) | 4,770 | 32
TGU [Member] |  |  |
Profit from associates [Abstract] |  |  |
Profit from associates | (664) | (68) | 438
Link [Member] |  |  |
Profit from associates [Abstract] |  |  |
Profit from associates | $ (31,114) | $ 23,306 | $ 32,821

X
- Definition The entity's share of the profit (loss) of associates accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_85&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=tgs_EmprendimientosDeGasDelSurSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=tgs_TransporteYServiciosDeGasEnUruguaySAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=tgs_GasLinkSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |