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BUSINESS DESCRIPTION (Tables) | 12 Months Ended
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Dec. 31, 2024
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, 2024:

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