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Economic group and joint arrangements (Tables)
 12 Months Ended
Dec. 31, 2024
Notes and other explanatory information [abstract]  
Schedule of information about the subsidiary
       
 Percentage interest held in capital stock and votes     Corporate purpose     Legal address 
   
           
 Edenor Tech SAU  100%    Sale, management, storage, import and export of renewable and conventional energy and their possible by-products     Av. Del Libertador 6363, CABA 
Schedule of interests in joint ventures
                             
 Percentage interest held in capital stock and votes     Corporate purpose     Legal address     Equity attributable to the owners   Loss from interest in joint ventures 
      12.31.24    12.31.23    12.31.24    12.31.23     12.31.22 
                               
 SACME  50%    Control of the operation of both the electric power generation and transmission in the GBA     Av. España 3251, CABA              121             124              (13)              (21)              (37)