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Operating Costs and Expenses (Details 4) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Credit losses, provisions and reversals | R$ 345,102 |  |
Restated One [Member] |  |  |
Credit losses, provisions and reversals |  | R$ 92,235 | R$ 717,531
Provision for legal claims [Member] |  |  |
Credit losses, provisions and reversals | 222,251 |  |
Provision for legal claims [Member] | Restated One [Member] |  |  |
Credit losses, provisions and reversals |  | 157,668 | 623,742
Power Generation Concession Contract [Member] |  |  |
Credit losses, provisions and reversals | (3,590) |  |
Power Generation Concession Contract [Member] | Restated One [Member] |  |  |
Credit losses, provisions and reversals |  | (3,193) | 9,061
Property Plant And Equipment Expense [Member] |  |  |
Credit losses, provisions and reversals | 27,755 |  |
Property Plant And Equipment Expense [Member] | Restated One [Member] |  |  |
Credit losses, provisions and reversals |  | (174,500) | (34,435)
Allowance For Doubtful Accounts Client And Other Credits [Member] |  |  |
Credit losses, provisions and reversals | 100,730 |  |
Allowance For Doubtful Accounts Client And Other Credits [Member] | Restated One [Member] |  |  |
Credit losses, provisions and reversals |  | 109,435 | 124,068
Tax Credits Estimated Losses [Member] |  |  |
Credit losses, provisions and reversals | R$ (2,044) |  |
Tax Credits Estimated Losses [Member] | Restated One [Member] |  |  |
Credit losses, provisions and reversals |  | R$ 2,825 | R$ (4,905)

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