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DETAIL OF SIGNIFICANT STATEMENT OF FINANCIAL POSITION AND STATEMENT OF COMPREHENSIVE INCOME CAPTIONS, Trade Receivables (Details) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Current [Abstract] |  |  |  |
Commons | $ 2,898,908 |  | $ 2,965,995 |
Related parties | 348,112 |  | 36,437 |
Allowance for doubtful accounts | (132,521) |  | 0 |
Total | 3,114,499 |  | 3,002,432 | [1]
Non Current [Abstract] |  |  |  |
Commons | 0 |  | 4,511 |
Related parties | 0 |  | 0 |
Allowance for doubtful accounts | 0 |  | 0 |
Total | 0 |  | 4,511 | [1]
Allowance for doubtful accounts [Abstract] |  |  |  |
Balance at the beginning of the period | 0 |  | 36,304 |
Inflation adjustment restatement |  |  | (12,909) |
Additions | 132,521 | [2] | 0 |
Applications | 0 |  | 0 |
Decreases | 0 |  | (23,395) | [2]
Balance at the end of period | 132,521 |  | 0 |
UT [Member] |  |  |  |
Current [Abstract] |  |  |  |
Commons | 20,442 |  | 225,565 |
Non Current [Abstract] |  |  |  |
Commons | 0 |  | 0 |
Natural Gas Transportation [Member] |  |  |  |
Current [Abstract] |  |  |  |
Commons | 1,657,456 |  | 1,314,592 |
Related parties | 73,243 |  | 14,302 |
Non Current [Abstract] |  |  |  |
Commons | 0 |  | 0 |
Related parties | 0 |  | 0 |
Production and Commercialization of Liquids [Member] |  |  |  |
Current [Abstract] |  |  |  |
Commons | 1,092,536 |  | 1,342,194 |
Related parties | 8,124 |  | 0 |
Non Current [Abstract] |  |  |  |
Commons | 0 |  | 0 |
Related parties | 0 |  | 0 |
Other Services [Member] |  |  |  |
Current [Abstract] |  |  |  |
Commons | 128,474 |  | 83,644 |
Related parties | 266,745 |  | 22,135 |
Non Current [Abstract] |  |  |  |
Commons | 0 |  | 4,511 |
Related parties | $ 0 |  | $ 0 |
[1] | The Company has applied IFRS 15 and IFRS 9 for the first time on January 1, 2018. In accordance with the transition methods chosen, the comparative information has not been modified. See Note 4.a)
[2] | The total amount is recorded in Selling Expenses

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