XML 219 R201.htm IDEA: XBRL DOCUMENT v3.21.1
31 Net Operating Revenue (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of net operating revenue [line items]      
Gross revenues R$ 25,939,794    
PIS/Pasep and Cofins (1,227,978)    
ICMS (VAT) (4,216,720)    
Sectorial charges (1,857,343) R$ (2,161,811) R$ (2,457,562)
Service tax (ISSQN) (4,504)    
Net operating revenues 18,633,249    
Restated [Member]      
Disclosure of net operating revenue [line items]      
Gross revenues   24,691,379 23,190,729
PIS/Pasep and Cofins   (2,243,383) (2,094,148)
ICMS (VAT)   (4,518,791) (4,085,153)
Sectorial charges   (2,161,811) (2,457,562)
Service tax (ISSQN)   (3,333) (3,402)
Net operating revenues   15,869,245 14,550,464
Electricity sales to final customers [member]      
Disclosure of net operating revenue [line items]      
Gross revenues 9,524,897    
PIS/Pasep and Cofins (737,647)    
ICMS (VAT) (1,960,998)    
Sectorial charges (173,428)    
Service tax (ISSQN)    
Net operating revenues 6,652,824    
Electricity sales to final customers [member] | Restated [Member]      
Disclosure of net operating revenue [line items]      
Gross revenues   10,481,794 10,104,045
Net operating revenues   6,426,016 5,548,584
Electricity sales to distributors [member]      
Disclosure of net operating revenue [line items]      
Gross revenues 4,330,982    
PIS/Pasep and Cofins (467,817)    
ICMS (VAT) (21,637)    
Sectorial charges (61,698)    
Service tax (ISSQN)    
Net operating revenues 3,779,830    
Electricity sales to distributors [member] | Restated [Member]      
Disclosure of net operating revenue [line items]      
Gross revenues   3,301,336 3,136,244
Net operating revenues   2,865,866 2,765,916
Use of the main distribution and transmission grid [member]      
Disclosure of net operating revenue [line items]      
Gross revenues 8,780,612    
PIS/Pasep and Cofins (667,419)    
ICMS (VAT) (2,118,380)    
Sectorial charges (1,622,217)    
Service tax (ISSQN)    
Net operating revenues 4,372,596    
Use of the main distribution and transmission grid [member] | Restated [Member]      
Disclosure of net operating revenue [line items]      
Gross revenues   8,270,996 6,867,274
Net operating revenues   4,138,771 3,469,060
Construction income [member]      
Disclosure of net operating revenue [line items]      
Gross revenues 1,414,067    
PIS/Pasep and Cofins    
ICMS (VAT)    
Sectorial charges    
Service tax (ISSQN)    
Net operating revenues 1,414,067    
Construction income [member] | Restated [Member]      
Disclosure of net operating revenue [line items]      
Gross revenues   1,132,884 1,097,313
Net operating revenues   1,132,884 1,097,313
Fair value of assets from the indemnity for the concession [member]      
Disclosure of net operating revenue [line items]      
Gross revenues 57,341    
PIS/Pasep and Cofins    
ICMS (VAT)    
Sectorial charges    
Service tax (ISSQN)    
Net operating revenues 57,341    
Fair value of assets from the indemnity for the concession [member] | Restated [Member]      
Disclosure of net operating revenue [line items]      
Gross revenues   36,646 47,499
Net operating revenues   36,646 47,499
Distribution of piped gas [member]      
Disclosure of net operating revenue [line items]      
Gross revenues 679,304    
PIS/Pasep and Cofins (60,774)    
ICMS (VAT) (115,640)    
Sectorial charges    
Service tax (ISSQN) (235)    
Net operating revenues 502,655    
Distribution of piped gas [member] | Restated [Member]      
Disclosure of net operating revenue [line items]      
Gross revenues   1,003,790 753,222
Net operating revenues   843,183 557,186
Sectorial financial assets and liabilities result [member]      
Disclosure of net operating revenue [line items]      
Gross revenues 746,052    
PIS/Pasep and Cofins (69,113)    
ICMS (VAT)    
Sectorial charges    
Service tax (ISSQN)    
Net operating revenues 676,939    
Sectorial financial assets and liabilities result [member] | Restated [Member]      
Disclosure of net operating revenue [line items]      
Gross revenues   25,057 985,344
Net operating revenues   18,631 893,688
Other operating revenue [member]      
Disclosure of net operating revenue [line items]      
Gross revenues 406,539    
PIS/Pasep and Cofins (35,771)    
ICMS (VAT) (65)    
Sectorial charges    
Service tax (ISSQN) (4,269)    
Net operating revenues 366,434    
Other operating revenue [member] | Restated [Member]      
Disclosure of net operating revenue [line items]      
Gross revenues   438,876 199,788
Net operating revenues   407,248 171,218
Recovery of pis/pasep and cofins on ICMS [member]      
Disclosure of net operating revenue [line items]      
Gross revenues    
PIS/Pasep and Cofins 810,563    
ICMS (VAT)    
Sectorial charges    
Service tax (ISSQN)    
Net operating revenues R$ 810,563    
Recovery of pis/pasep and cofins on ICMS [member] | Restated [Member]      
Disclosure of net operating revenue [line items]      
Net operating revenues