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: