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SUPPLEMENTAL CASH FLOW INFORMATION (Details) - ARS ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Non-cash Investing and Financing Activities [Abstract] |  |  |  |
Unpaid acquisition of PPE |  | $ 1,846,947 | $ 1,856,040 | $ 895,394
Principal payment of financial lease | [1] | $ 901,526 | $ 1,163,922 | $ 561,495
[1] | Cancelled through compensation with trade receivables with the creditor. See Note 13.

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

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- Definition Refers to the principal payment of finance lease. + References No definition available. + Details
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Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The unpaid amount for the acquisition of property, plant and equipment. + References No definition available. + Details
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Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration