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CONSOLIDATED FINANCIAL STATEMENTS | 12 Months Ended
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Dec. 31, 2019
CONSOLIDATED FINANCIAL STATEMENTS [Abstract] |
CONSOLIDATED FINANCIAL STATEMENTS |
2. | CONSOLIDATED FINANCIAL STATEMENTS
TGS presents its consolidated financial statements including Telcosur S.A. (“Telcosur”) and CTG Energía S.A. (“CTG”), its consolidated subsidiaries, which are jointly referred to as “the Company”.

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- Definition The entire disclosure for general information about financial statements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 51 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_51&doctype=Standard -URIDate 2019-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | tgs_ConsolidatedFinancialStatementsAbstract
Namespace Prefix: | tgs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration