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REGULATORY FRAMEWORK, General Framework of the Natural Gas Transportation Segment (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
ARS ($)
Installment
Jun. 21, 2019
Apr. 01, 2019
Oct. 02, 2018
Sep. 04, 2018
Apr. 01, 2018
Dec. 01, 2017
Apr. 02, 2017
Mar. 30, 2017
General aspects [Abstract]                  
Original license period 35 years                
License period, renewal 10 years                
License period, after renewal 45 years                
Tariff situation [Abstract]                  
Natural gas transportation tariffs period, condition one semi-annually                
Natural gas transportation tariffs period, condition two 5 years                
Conversion rate of exchange for tariffs 1                
Number of years for negotiations under transitional agreement 17 years                
Transitional Agreement [Abstract]                  
Percentage of increase in tariff       19.70% 30.00%        
Percentage of increase in tariff on service for natural gas transportation     26.00%       81.10% 64.20% 214.20%
Percentage of increase in tariff on access and use             29.70%   37.00%
Percentage of tariff increase on public service of Natural Gas Transportation and CAU           50.00%      
Investment plan period 5 years                
Five Year Plan investment amount $ 6,786,543                
Percentage of deferral payment of invoices issued   22.00%              
Number of consecutive monthly installments | Installment 5                
Trade receivables, natural gas distribution $ 1,206,030                
Top of Range [Member]                  
Transitional Agreement [Abstract]                  
Period of natural gas transportation and distribution tariff remain unadjusted 180 days