XML 78 R98.htm IDEA: XBRL DOCUMENT
v3.20.1

REGULATORY FRAMEWORK, General Framework for Non-Regulated Segments (Details) |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 01, 2017 ARS ($) | Dec. 01, 2011 $ / m³ | Nov. 30, 2011 $ / m³ | Dec. 31, 2019 ARS ($) $ / m³ | Dec. 31, 2018 ARS ($) | Dec. 31, 2017 ARS ($) | Dec. 23, 2019 | Sep. 03, 2018 USD ($)
Domestic market [Abstract] |  |  |  |  |  |  |  |
Increase in price of propane gas per ton |  |  |  |  |  | $ 1,267,000 |  |
Increase in price of propane gas per ton depending on customer |  |  |  |  |  | 2,832,000 |  |
Subsidies received |  |  |  | $ 202,449,000 | $ 625,677,000 | 534,806,000 |  |
Subsidies receivable from government |  |  |  | $ 143,829,000 | 450,523,000 |  |  |
Foreign market [Abstract] |  |  |  |  |  |  |  |
Capped amount of each dollar of the tax base or the official FOB price |  |  |  |  |  |  |  | $ 4
Rate applicable to hydrocarbons |  |  |  |  |  |  | 8.00% |
Tariff charge paid (per cubic meter) | $ / m³ |  |  |  | 0.0492 |  |  |  |
Tariff charge (per cubic meter) | $ / m³ |  | 0.405 | 0.0492 |  |  |  |  |
Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |  |
Domestic market [Abstract] |  |  |  |  |  |  |  |
Subsidies received |  |  |  | $ 468,494,000 | $ 625,678,000 |  |  |
Butane [Member] |  |  |  |  |  |  |  |
Domestic market [Abstract] |  |  |  |  |  |  |  |
Price of household bottles per ton | $ 9,895,000 |  |  |  |  |  |  |
Foreign market [Abstract] |  |  |  |  |  |  |  |
Export duty percentage |  |  |  |  |  |  |  | 12.00%
Propane [Member] |  |  |  |  |  |  |  |
Domestic market [Abstract] |  |  |  |  |  |  |  |
Price of household bottles per ton | $ 9,656,000 |  |  |  |  |  |  |
Increase in price of propane gas per ton |  |  |  |  |  | 1,941,200 |  |
Increase in price of propane gas per ton depending on customer |  |  |  |  |  | $ 3,694,000 |  |
Foreign market [Abstract] |  |  |  |  |  |  |  |
Export duty percentage |  |  |  |  |  |  |  | 12.00%
Natural Gasoline [Member] |  |  |  |  |  |  |  |
Foreign market [Abstract] |  |  |  |  |  |  |  |
Export duty percentage |  |  |  |  |  |  |  | 12.00%

X
- Definition The amount of income recognised in relation to government grants. [Refer: Government grants] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 20 -IssueDate 2019-01-01 -Paragraph 39 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=20&code=ifrs-tx-2019-en-r&anchor=para_39_b&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_RevenueFromGovernmentGrants
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents amount of each dollar of the tax base or the official FOB price. + References No definition available. + Details
Name: | tgs_AmountOfEachDollarOfTheTaxBaseOrTheOfficialFOBPrice
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of current government grants receivable. + References No definition available. + Details
Name: | tgs_CurrentGovernmentGrantsReceivable
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

X
- Definition Refers to the amount of increase in price of propane gas per ton used for the propane for networks agreement. + References No definition available. + Details
Name: | tgs_IncreaseInPriceOfPropaneGasPerTon
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Refers to the amount of increase in price of propane gas per ton used depending on the customer to whom the product is intended. + References No definition available. + Details
Name: | tgs_IncreaseInPriceOfPropaneGasPerTonDependingOnCustomer
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The percentage of export duty levied on the goods passing through a customs area with a rout to another country. + References No definition available. + Details
Name: | tgs_PercentageOfExportDuty
Namespace Prefix: | tgs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Refers to price of different types of household bottles per ton. + References No definition available. + Details
Name: | tgs_PriceOfHouseholdBottlesPerTon
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cap rate established for applicable to hydrocarbons due to enactment of law. + References No definition available. + Details
Name: | tgs_RateApplicableToHydrocarbons
Namespace Prefix: | tgs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Refers to the tariff charge paid per cubic meter in accordance with the provisions of resolution. + References No definition available. + Details
Name: | tgs_TariffChargePaidPerCubicMeter
Namespace Prefix: | tgs_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to the amount of natural gas processing tariff charge per cubic meter. + References No definition available. + Details
Name: | tgs_TariffChargePerCubicMeter
Namespace Prefix: | tgs_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_SegmentsAxis=tgs_ProductionAndCommercializationOfLiquidsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_ButaneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_PropaneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_NaturalGasolineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |