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BUSINESS DESCRIPTION (Details) - Extension
 12 Months Ended
Dec. 31, 2017
Dec. 07, 2016
Jul. 27, 2016
Business Overview [Abstract]      
Term of transportation license granted 35 years    
Number of extension entitled 1    
Term of the extension 10 years    
CIESA [Member]      
Major Shareholders [Abstract]      
Percentage of ownership 51.00%    
Petrobras Argentina S.A. [Member] | CIESA [Member]      
Major Shareholders [Abstract]      
Percentage of ownership 10.00%    
Trust [Member] | CIESA [Member]      
Major Shareholders [Abstract]      
Percentage of ownership 40.00%    
GIP [Member] | CIESA [Member]      
Major Shareholders [Abstract]      
Percentage of ownership 27.10%   51.00%
GIP [Member] | CIESA [Member] | Transaction [Member]      
Major Shareholders [Abstract]      
Percentage of ownership     55.00%
WST [Member] | CIESA [Member]      
Major Shareholders [Abstract]      
Percentage of ownership 4.58%   45.80%
PCT [Member] | CIESA [Member]      
Major Shareholders [Abstract]      
Percentage of ownership 18.32%   3.20%
PCT [Member] | CIESA [Member] | Transaction [Member]      
Major Shareholders [Abstract]      
Percentage of ownership     45.00%
GIP and PCT [Member] | CIESA [Member]      
Major Shareholders [Abstract]      
Percentage of ownership 50.00%    
GIP and PCT [Member] | CIESA [Member] | Exchange [Member]      
Major Shareholders [Abstract]      
Percentage of ownership   40.00%  
GIP, WST and PCT [Member] | CIESA [Member]      
Major Shareholders [Abstract]      
Percentage of ownership 50.00%    
Pampa Group [Member] | CIESA [Member]      
Major Shareholders [Abstract]      
Percentage of ownership 50.00%