XML 422 R220.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Financial Instruments (Details 9) - Risk Of Power Purchase And Sale Transactions Price [member]
R$ in Thousands
 12 Months Ended
Dec. 31, 2023
BRL (R$)
Increase [member]  
IfrsStatementLineItems [Line Items]  
Gains (losses) on purchase and sale of energy in active market, Baseline R$ 348,100
Gains (losses) on purchase and sale of energy in active market, Projected Scenario Probable 348,100
Gains (losses) on purchase and sale of energy in active market, Projected Scenario 1 303,302
Gains (losses) on purchase and sale of energy in active market, Projected Scenario 2 258,504
Reduction [member]  
IfrsStatementLineItems [Line Items]  
Gains (losses) on purchase and sale of energy in active market, Baseline 348,100
Gains (losses) on purchase and sale of energy in active market, Projected Scenario Probable 348,100
Gains (losses) on purchase and sale of energy in active market, Projected Scenario 1 392,897
Gains (losses) on purchase and sale of energy in active market, Projected Scenario 2 R$ 437,695