This element represents amount of each dollar of the tax base or the official FOB price.

No definition available.

Name:	tgs_AmountOfEachDollarOfTheTaxBaseOrTheOfficialFOBPrice
Namespace Prefix:	tgs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Tax rate effect on exports of certain oil and gas products to other countries.

+ References

No definition available.

+ Details

Name:	tgs_ApplicableTaxRateOnExportOfOilAndGasProducts
Namespace Prefix:	tgs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Barrel price considered for applicable tax rate on exports of certain oil and gas products.

+ References

No definition available.

+ Details

Name:	tgs_BarrelPriceForApplicableTaxRateConditionOne
Namespace Prefix:	tgs_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	duration

- Definition

Barrel price considered for applicable tax rate on exports of certain oil and gas products.

+ References

No definition available.

+ Details

Name:	tgs_BarrelPriceForApplicableTaxRateConditionTwo
Namespace Prefix:	tgs_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	duration

- 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

- References

No definition available.

+ Details

Name:	tgs_DomesticMarketAbstract
Namespace Prefix:	tgs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	tgs_ForeignMarketAbstract
Namespace Prefix:	tgs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the price per ton of LPG in the domestic market as of the reporting date.

+ References

No definition available.

+ Details

Name:	tgs_LPGDomesticPricePerTon
Namespace Prefix:	tgs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of applicable tax rate on exports of certain oil and gas products for barrel price below US$ 45.

+ References

No definition available.

+ Details

Name:	tgs_PercentageOfApplicableTaxRateOnBarrelPriceConditionOne
Namespace Prefix:	tgs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of applicable tax rate on exports of certain oil and gas products for barrel price equal to or higher than US$ 60.

+ References

No definition available.

+ Details

Name:	tgs_PercentageOfApplicableTaxRateOnBarrelPriceConditionTwo
Namespace Prefix:	tgs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of value of exports in foreign currency.

+ References

No definition available.

+ Details

Name:	tgs_PercentageOfValueOfExportsInForeignCurrency
Namespace Prefix:	tgs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of value of exports in pesos through the purchase of negotiable securities.

+ References

No definition available.

+ Details

Name:	tgs_PercentageOfValueOfExportsInPesos
Namespace Prefix:	tgs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage increase in prices due to regulatory changes due to ENARGAS Resolutions 11 and 216.

+ References

No definition available.

+ Details

Name:	tgs_RegulatoryPriceIncreasePercentage
Namespace Prefix:	tgs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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

- 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

- Details

Name:	dei_LegalEntityAxis=tgs_ENARGASMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

REGULATORY FRAMEWORK, General Framework for Non-Regulated Segments (Details) $ in Thousands				12 Months Ended
	Oct. 03, 2023	Dec. 01, 2011 $ / m³	Nov. 30, 2011 $ / m³	Dec. 31, 2024 ARS ($) $ / bbl $ / m³	Dec. 31, 2024 USD ($)	Dec. 31, 2023 ARS ($)	Dec. 23, 2019	Sep. 03, 2018 USD ($)
Domestic market [Abstract]
Subsidies receivable from government				$ 10,881,706		$ 10,182,355
Foreign market [Abstract]
Capped amount of each dollar of the tax base or the official FOB price								$ 4
Rate applicable to hydrocarbons							8.00%
Barrel price, condition one \| $ / bbl				45
Barrel price, condition two \| $ / bbl				60
Tax rate for barrel price below US$45				0.00%
Tax rate for barrel price equal or higher than US$60				8.00%
Percentage of value of exports in foreign currency	75.00%			80.00%
Percentage of value of exports in pesos	25.00%			20.00%
Tariff charge paid (per cubic meter) \| $ / m³				0.0492
Tariff charge (per cubic meter) \| $ / m³		0.405	0.0492
ENARGAS [Member]
Domestic market [Abstract]
Regulatory price increase percentage				75.00%
LPG domestic price per ton					$ 420,000
Bottom of Range [Member]
Foreign market [Abstract]
Applicable tax rate on export of oil and gas products				0.00%
Top of Range [Member]
Foreign market [Abstract]
Applicable tax rate on export of oil and gas products				8.00%
Propane [Member]
Foreign market [Abstract]
Export duty percentage								12.00%
Butane [Member]
Foreign market [Abstract]
Export duty percentage								12.00%
Natural Gasoline [Member]
Foreign market [Abstract]
Export duty percentage								12.00%