Debt instruments (Details 2) - BRL (R$) R$ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Notes and other explanatory information [abstract] | ||
| Repurchase Agreements | R$ 70,269,484 | R$ 84,894,642 |
| Operations guarantees in B3 S.A. - Brasil, Bolsa, Balcão (B3 S.A.) | 24,483,969 | 22,083,244 |
| Linked to judicial deposits and other guarantees | 19,296,763 | 12,736,275 |
| Total | R$ 114,050,216 | R$ 119,714,161 |