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DETAIL OF SIGNIFICANT STATEMENT OF FINANCIAL POSITION AND STATEMENT OF COMPREHENSIVE INCOME CAPTIONS, Disaggregation of Revenues by Business Segment (Details) - ARS ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues [Abstract]
Revenues	$ 48,561,494	$ 52,399,423	$ 30,694,588
Reportable Segments [Member] | Natural Gas Transportation [Member]
Revenues [Abstract]
Revenues	22,620,423	23,785,660	11,469,824
Reportable Segments [Member] | Natural Gas Transportation [Member] | Firm [Member]
Revenues [Abstract]
Revenues	18,521,215	18,834,776	8,971,393
Reportable Segments [Member] | Natural Gas Transportation [Member] | Access and Charge [Member]
Revenues [Abstract]
Revenues	835,721	870,398	666,979
Reportable Segments [Member] | Natural Gas Transportation [Member] | Interruptible and Others [Member]
Revenues [Abstract]
Revenues	3,263,487	4,080,486	1,831,452
Reportable Segments [Member] | Production and Commercialization of Liquids [Member]
Revenues [Abstract]
Revenues	23,138,182	25,578,373	17,189,194
Reportable Segments [Member] | Production and Commercialization of Liquids [Member] | Product [Member]
Revenues [Abstract]
Revenues	21,708,919	23,867,702	15,776,153
Reportable Segments [Member] | Production and Commercialization of Liquids [Member] | Services [Member]
Revenues [Abstract]
Revenues	1,226,814	1,084,994	878,235
Reportable Segments [Member] | Production and Commercialization of Liquids [Member] | Government Grants [Member]
Revenues [Abstract]
Revenues	202,449	625,677	534,806
Reportable Segments [Member] | Other Services [Member]
Revenues [Abstract]
Revenues	2,526,643	2,784,534	1,844,712
Reportable Segments [Member] | Other Services [Member] | Conditioning and Treatment [Member]
Revenues [Abstract]
Revenues	1,273,070	1,130,820	841,091
Reportable Segments [Member] | Other Services [Member] | Operation and Maintenance [Member]
Revenues [Abstract]
Revenues	651,665	738,568	637,752
Reportable Segments [Member] | Other Services [Member] | Steam Sales [Member]
Revenues [Abstract]
Revenues	231,565	210,387	148,582
Reportable Segments [Member] | Other Services [Member] | Construction [Member]
Revenues [Abstract]
Revenues	11,899	32,799	213,270
Reportable Segments [Member] | Other Services [Member] | UT Construction [Member]
Revenues [Abstract]
Revenues	187,686	666,402	0
Reportable Segments [Member] | Other Services [Member] | Transportation and conditioning of Natural Gas in Vaca Muerta [Member]
Revenues [Abstract]
Revenues	165,725	0	0
Reportable Segments [Member] | Other Services [Member] | Others [Member]
Revenues [Abstract]
Revenues	5,033	5,558	4,017
Reportable Segments [Member] | Telecommunications [Member]
Revenues [Abstract]
Revenues	$ 276,246	$ 250,856	$ 190,858

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Expiry date 2020-01-01: The income arising in the course of an entity's ordinary activities. Income is increases in economic benefits during the accounting period in the form of inflows or enhancements of assets or decreases of liabilities that result in an increase in equity, other than those relating to contributions from equity participants. Effective 2020-01-01: The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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