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Concessions and Authorizations - Additional Information (Details) - BRL (R$)
R$ in Millions
 12 Months Ended
May 23, 2023
Apr. 13, 2023
Jan. 25, 2023
Dec. 31, 2023
IfrsStatementLineItems [Line Items]        
Discount of future payments       12.50%
Concession expired       December 2045
Permitted Annual Revenue       R$ 17
Transfer of funds   R$ 222    
Average tariff adjustment 13.27%     13.27%
Percentage of readjustment corresponding to costs manageable       0.66%
Percentage of remaining percentage corresponding to costs       12.61%
Percentage of increase in non-manageable costs       5.09%
Increase of financial asset       R$ 39,516
Percentage of financial items make up tariff       7.52%
Maximum [Member]        
IfrsStatementLineItems [Line Items]        
Average tariff adjustment 15.55%     8.94%
Percentage of reduction of average values     10.71%  
Minimum [Member]        
IfrsStatementLineItems [Line Items]        
Average tariff adjustment 8.94%     15.55%
Percentage of reduction of average values     9.19%