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DETAIL OF SIGNIFICANT STATEMENT OF FINANCIAL POSITION AND STATEMENT OF COMPREHENSIVE INCOME CAPTIONS, Advances from Customers (Details) - ARS ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Current [Abstract]    
Advances from customers $ 0 $ 216,820 [1]
Non Current [Abstract]    
Advances from customers 0 1,535,140 [1]
Natural Gas Transportation [Member]    
Current [Abstract]    
Advances from customers 0 101,990
Non Current [Abstract]    
Advances from customers 0 1,257,599
Production and Commercialization of Liquids [Member]    
Current [Abstract]    
Advances from customers 0 14,546
Non Current [Abstract]    
Advances from customers 0 269,614
Other Services [Member]    
Current [Abstract]    
Advances from customers 0 11,888
Non Current [Abstract]    
Advances from customers 0 7,927
UT [Member]    
Current [Abstract]    
Advances from customers 0 88,396
Non Current [Abstract]    
Advances from customers $ 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)