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Operations (Details Narrative) - BRL (R$)
R$ / shares in Units, R$ in Thousands
 12 Months Ended
Aug. 11, 2023
Jan. 30, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Sep. 11, 2023
Jul. 26, 2023
IfrsStatementLineItems [Line Items]              
Share price R$ 8.25   R$ 8.25        
Total amount of distribution R$ 4,530,661   R$ 5,131,439        
Number of shares was liquidated           72,821,650  
Equity reduction amount     9,861        
Increase in net share capital     2,021,758        
Payments for bonus     3,719,428        
Acquisition percentage   100.00%          
Payment for acquisition   R$ 1,004,484          
Considering the cash acquired     93,034        
Acquisitions of subsidiaries - effect on cash     911,450 R$ 18,031 R$ 501,886    
Net operating revenue would increase     13,143        
Net operating revenue     21,492,611        
Net income would decrease     1,824        
Net income     R$ 2,325,344        
Copel [Member]              
IfrsStatementLineItems [Line Items]              
Number of primary shares issued           16,370,841  
State Of Parana [Member]              
IfrsStatementLineItems [Line Items]              
Number of secondary shares sold           56,450,809  
Primary And Secondary Distribution [Member]              
IfrsStatementLineItems [Line Items]              
Number of shares issued             549,171,000
Primary Distribution [Member]              
IfrsStatementLineItems [Line Items]              
Number of shares issued 229,886,000   246,256,841        
Number of shares issued, value R$ 1,896,560   R$ 2,031,619        
Secondary Distribution [Member]              
IfrsStatementLineItems [Line Items]              
Number of shares sold 319,285,000   375,735,809        
Number of shares sold, value R$ 2,634,101   R$ 3,099,820