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SUBSEQUENT EVENTS (Details) - Subsequent Event [Member] - ARS ($) $ in Millions	Apr. 17, 2024	Apr. 03, 2024	Mar. 26, 2024
Subsequent Event [Abstract]
Percentage of transitional adjustment natural gas transportation tariffs			675.00%
Percentage of wage index		47.00%
Percentage of domestic wholesale price index		27.20%
Percentage of construction cost index		25.80%
Investment plan		$ 27,690
Increase in legal reserve	$ 1,783
Reserve for capital expenditures, acquisition of treasury shares and dividends	$ 751,449

X

- Definition

Amount of increase in legal reserve approved by the ordinary shareholders.

+ References

No definition available.

+ Details

Name:	tgs_IncreaseInLegalReserve
Namespace Prefix:	tgs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of investment plan adjustable by transitional adjustment Index.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Refers to the percentage of construction cost index in greater Buenos Aires, materials chapter published by INDEC.

+ References

No definition available.

+ Details

Name:	tgs_PercentageOfConstructionCostIndex
Namespace Prefix:	tgs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Refers to the percentage of domestic wholesale price index ("IPIM"), published by the Institute National Statistics and Census ("INDEC").

+ References

No definition available.

+ Details

Name:	tgs_PercentageOfDomesticWholesalePriceIndex
Namespace Prefix:	tgs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Refer to percentage of transitional adjustment in natural gas transportation tariffs.

+ References

No definition available.

+ Details

Name:	tgs_PercentageOfTransitionalAdjustmentInNaturalGasTransportationTariffs
Namespace Prefix:	tgs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Refers to the percentage of wage index registered private sector published by INDEC.

+ References

No definition available.

+ Details

Name:	tgs_PercentageOfWageIndex
Namespace Prefix:	tgs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The amount of reserve for capital expenditures, share repurchase and dividend payments.

+ References

No definition available.

+ Details

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Namespace Prefix:	tgs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Details

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Namespace Prefix:
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