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14 Property, plant and equipment (Details Narrative) - ARS ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of detailed information about property, plant and equipment [line items]      
Direct costs $ 1,846,000 $ 1,533,500 $ 2,137,900
General Rodriguez transformer station [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Direct costs $ 1,453,200