v3.26.1
Risk Management - Schedule of Financial Assets at Fair Value through other Comprehensive Income (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Schedule of Financial Assets at Fair Value through other Comprehensive Income [Line Items]    
Total amount of hedged item R$ 8,372,481 R$ 2,950,455
Fair value adjustment to the hedge object asset 20,262
Fair value adjustment to the hedge object liability (96,374) (154,495)
Fair value adjustment to the Hedging instrument R$ 75,503 R$ 154,500
Hedge effectiveness, Percentage 99.00% 100.00%
Interest Rate Contracts - Future and Swap – FGTS Loan [Member]    
Schedule of Financial Assets at Fair Value through other Comprehensive Income [Line Items]    
Total amount of hedged item R$ 1,705,083 [1] R$ 1,766,424 [2]
Fair value adjustment to the hedge object asset 1,539 [1] [2]
Fair value adjustment to the hedge object liability [1] (143,192) [2]
Fair value adjustment to the Hedging instrument R$ (1,539) [1] R$ 143,192 [2]
Hedge effectiveness, Percentage 100.00% [1] 100.00% [2]
Interest Rate Contracts - Future - Liabilities Pre [Member]    
Schedule of Financial Assets at Fair Value through other Comprehensive Income [Line Items]    
Total amount of hedged item R$ 5,452,205 [2] R$ (587,705)
Fair value adjustment to the hedge object asset [2]
Fair value adjustment to the hedge object liability (33,499) [2] 17,780
Fair value adjustment to the Hedging instrument R$ 33,499 [2] R$ (17,775)
Hedge effectiveness, Percentage 100.00% [2] 100.00%
Interest Rate Contracts - Future - LTN Bonds [Member]    
Schedule of Financial Assets at Fair Value through other Comprehensive Income [Line Items]    
Total amount of hedged item R$ (1,628,546) R$ 783,130
Fair value adjustment to the hedge object asset
Fair value adjustment to the hedge object liability (53,272) (17,237)
Fair value adjustment to the Hedging instrument R$ 53,335 R$ 17,237
Hedge effectiveness, Percentage 100.00% 100.00%
Interest Rate Contracts - Future - Titles NTNF [Member]    
Schedule of Financial Assets at Fair Value through other Comprehensive Income [Line Items]    
Total amount of hedged item R$ 934,083  
Fair value adjustment to the hedge object asset 15,709  
Fair value adjustment to the hedge object liability  
Fair value adjustment to the Hedging instrument R$ (15,709)  
Hedge effectiveness, Percentage 100.00%  
Interest Rate Contracts - Future - Titles NTNF [Member]    
Schedule of Financial Assets at Fair Value through other Comprehensive Income [Line Items]    
Total amount of hedged item R$ 1,132,440  
Fair value adjustment to the hedge object asset  
Fair value adjustment to the hedge object liability (8,383)  
Fair value adjustment to the Hedging instrument R$ 8,534  
Hedge effectiveness, Percentage 102.00%  
Interest Rate Contracts - Future - LF Sub [Member]    
Schedule of Financial Assets at Fair Value through other Comprehensive Income [Line Items]    
Total amount of hedged item [3] R$ (279,418)  
Fair value adjustment to the hedge object asset [3] 3,014  
Fair value adjustment to the hedge object liability [3]  
Fair value adjustment to the Hedging instrument [3] R$ (3,823)  
Hedge effectiveness, Percentage [3] 100.00%  
Interest Rate Contracts - Future - Advances on energy receivables [Member]    
Schedule of Financial Assets at Fair Value through other Comprehensive Income [Line Items]    
Total amount of hedged item R$ 1,056,634  
Fair value adjustment to the hedge object asset  
Fair value adjustment to the hedge object liability (1,220)  
Fair value adjustment to the Hedging instrument R$ 1,206  
Hedge effectiveness, Percentage 99.00%  
Interest Rate Contracts - Future and Swap - Payroll loans [Member]    
Schedule of Financial Assets at Fair Value through other Comprehensive Income [Line Items]    
Total amount of hedged item [1]   R$ 988,606
Fair value adjustment to the hedge object asset [1]  
Fair value adjustment to the hedge object liability [1]   (11,846)
Fair value adjustment to the Hedging instrument [1]   R$ 11,846
Hedge effectiveness, Percentage [1]   100.00%
[1] Payroll loan – From the value of the hedging instrument of R$ 1,539 as of December 31, 2025 (R$ 716 as December 31, 2024), it is composed by: Swap R$ (4) for the year ended December 31, 2025 (R$ 262 for the year ended December 31, 2024) and R$ 1,543 for the year ended December 31, 2025 by futures contracts (R$ 454 for the year ended December 31, 2025) to futures contracts.
[2] FGTS loan - From the value of the hedging instrument of R$ 33,499 as of December 31, 2025 (R$ 43,979 as of December 31, 2024), it is composed of Swap R$ 9,181 for the year ended December 31, 2025 (R$ 15,550 for the year ended December 31, 2024) and R$ 24,318 by futures contracts for the year ended December 31, 2025 (R$ 28,459 for the year ended December 31, 2024).
[3] LF Sub - For the LF Sub´s hedge effectiveness, a regression model is used, verifying if there is an economic relationship between the movements of the hedging object and instrument.