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SIGNIFICANT ACCOUNTING POLICIES, Regulatory Framework (Details) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Regulatory framework [Abstract] |  |  |
Inflation rate | 94.79% | 50.94% | 36.14%

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- Definition The quantitative measure of the rate at which the average price level of a basket of selected goods and services in an economy increases over a period of time. + References No definition available. + Details
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Data Type: | dtr-types:percentItemType
Balance Type: | na
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- References No definition available. + Details
Name: | tgs_RegulatoryFrameworksAbstract
Namespace Prefix: | tgs_
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