XML 340 R138.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Property, Plant and Equipment (Details 4) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
IfrsStatementLineItems [Line Items]    
Recoverable amount at beginning R$ (971,588) R$ (897,891)
Impairment / Reversal 282,632 (73,697)
Transfer  
Recoverable amount at ending (688,956) (971,588)
In Service [Member]    
IfrsStatementLineItems [Line Items]    
Recoverable amount at beginning (785,205) (710,509)
Impairment / Reversal 282,632 (74,696)
Transfer (171,504)  
Recoverable amount at ending (674,077) (785,205)
In Service [Member] | H P P [Member]    
IfrsStatementLineItems [Line Items]    
Recoverable amount at beginning (632,559) (639,529)
Impairment / Reversal 133,653 6,970
Transfer  
Recoverable amount at ending (498,906) (632,559)
In Service [Member] | U E G Araucaria [Member]    
IfrsStatementLineItems [Line Items]    
Recoverable amount at beginning (108,132)
Impairment / Reversal 108,132 (108,132)
Transfer  
Recoverable amount at ending (108,132)
In Service [Member] | Power Plants In Parana [Member]    
IfrsStatementLineItems [Line Items]    
Recoverable amount at beginning (44,514) (70,980)
Impairment / Reversal 40,847 26,466
Transfer (171,504)  
Recoverable amount at ending (175,171) (44,514)
In Progress [Member] | Power Plants In Parana [Member]    
IfrsStatementLineItems [Line Items]    
Recoverable amount at beginning (171,504) (172,503)
Impairment / Reversal 999
Transfer 171,504  
Recoverable amount at ending (171,504)
In Progress [Member] | Consorcio Tapajos [Member]    
IfrsStatementLineItems [Line Items]    
Recoverable amount at beginning (14,879) (14,879)
Impairment / Reversal
Transfer  
Recoverable amount at ending (14,879) (14,879)
In Progress One [Member]    
IfrsStatementLineItems [Line Items]    
Recoverable amount at beginning (186,383) (187,382)
Impairment / Reversal 999
Transfer 171,504  
Recoverable amount at ending R$ (14,879) R$ (186,383)