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BUSINESS DESCRIPTION (Tables)	12 Months Ended
	Dec. 31, 2023
BUSINESS DESCRIPTION [Abstract]
Organizational Structure, Shareholders and Related Parties	The following table shows the organizational structure, shareholders and related parties of tgs as of December 31, 2023:

X

- References

No definition available.

+ Details

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

X

- Definition

The disclosure of major shareholders, subsidiaries and associates.

+ References

No definition available.

+ Details

Name:	tgs_DisclosureOfMajorShareholdersSubsidiariesAndAssociatesTableTextBlock
Namespace Prefix:	tgs_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration