The amount of dividends that the company has declared but not yet paid.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_DividendPayables
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2022-03-24
-Paragraph 17
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_17_b_iii&doctype=Standard
-URIDate 2022-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2022-03-24
-Paragraph 16
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_16_b_iii&doctype=Standard
-URIDate 2022-03-24

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2022-03-24
-Paragraph 21
-Subparagraph a
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_21_a_iv&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_ProportionOfOwnershipInterestInAssociate
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The proportion of ownership interest in a joint venture attributable to the entity. [Refer: Joint ventures [member]]

+ References

+ Details

Name:	ifrs-full_ProportionOfOwnershipInterestInJointVenture
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow for the purchases of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2022-03-24
-Paragraph 16
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_16_a&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Refers to guarantee period from the provisional reception to validate the contract.

+ References

No definition available.

+ Details

Name:	tgs_GuaranteePeriodFromProvisionalReception
Namespace Prefix:	tgs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	tgs_InformationAboutAssociatesAndArrangementsAbstract
Namespace Prefix:	tgs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ifrs-full_JointOperationsAxis=ifrs-full_JointOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_OwnershipAxis=tgs_PanAmericanSurSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=tgs_ShellArgentinaSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=tgs_WintershallDeaArgentinaSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	ifrs-full_JointOperationsAxis=tgs_PampaEnergiaSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

ASSOCIATES AND JOINT ARRANGEMENTS (Details)		12 Months Ended
ASSOCIATES AND JOINT ARRANGEMENTS (Details)	Nov. 13, 2013 USD ($)	Dec. 31, 2022 ARS ($)	Dec. 31, 2021 ARS ($)	Dec. 31, 2020 ARS ($)	Dec. 29, 2021 ARS ($)
Information about associates and arrangements [Abstract]
Purchase of fixed assets		$ 25,307,541,000	$ 18,794,792,000	$ 22,844,489,000
UT [Member]
Information about associates and arrangements [Abstract]
Guarantee period from the provisional reception of the UT Works		18 months
Link [Member]
Information about associates and arrangements [Abstract]
Percentage of ownership		49.00%
Cash dividend paid					$ 181,984
Link [Member] \| Pan American Sur S.A. [Member]
Information about associates and arrangements [Abstract]
Percentage of ownership		20.40%
Percentage of joint ownership		20.40%
Link [Member] \| Shell Argentina S.A. [Member]
Information about associates and arrangements [Abstract]
Percentage of ownership		25.50%
Percentage of joint ownership		25.50%
Link [Member] \| Wintershall Dea Argentina S.A. [Member]
Information about associates and arrangements [Abstract]
Percentage of joint ownership		5.10%
TGU [Member]
Information about associates and arrangements [Abstract]
Percentage of ownership		49.00%
TGU [Member] \| Pampa Energia [Member]
Information about associates and arrangements [Abstract]
Percentage of joint ownership		51.00%
EGS [Member]
Information about associates and arrangements [Abstract]
Percentage of ownership		49.00%
Percentage of joint ownership		51.00%
Purchase of fixed assets	$ 350,000