XML 345 R143.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Intangible assets (Details 1) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Intangible Asset In Service [Member]    
IfrsStatementLineItems [Line Items]    
Intangible assets, beginning R$ 10,033,251 R$ 9,330,317
Transfers from contract assets 1,888,949 1,332,118
Other transfers 3  
Transfers to other receivables   (955)
Amortization of quotas - concession and authorization (631,106) (564,252)
Amortization of quotas - PIS/Pasep and Cofins credits (10,430) (10,483)
Loss on disposal (78,722) (53,494)
Intangible assets, ending 11,201,945 10,033,251
Special Liabilities In Service [Member]    
IfrsStatementLineItems [Line Items]    
Intangible assets, beginning (2,775,424) (2,734,133)
Transfers from contract assets (273,071) (194,794)
Other transfers  
Transfers to other receivables  
Amortization of quotas - concession and authorization 163,877 153,503
Amortization of quotas - PIS/Pasep and Cofins credits
Loss on disposal
Intangible assets, ending (2,884,618) (2,775,424)
Power Distribution Service Concession [Member]    
IfrsStatementLineItems [Line Items]    
Intangible assets, beginning 7,257,827 6,596,184
Transfers from contract assets 1,615,878 1,137,324
Other transfers 3  
Transfers to other receivables   (955)
Amortization of quotas - concession and authorization (467,229) (410,749)
Amortization of quotas - PIS/Pasep and Cofins credits (10,430) (10,483)
Loss on disposal (78,722) (53,494)
Intangible assets, ending R$ 8,317,327 R$ 7,257,827