Interest and similar income and expenses and income of financial assets and liabilities at fair value through profit or loss - Schedule of Interest and Similar Expense (Details) - BRL (R$) R$ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of financial assets [line items] | |||
| Total | R$ (219,338) | R$ (167,278) | R$ (158,250) |
| Deposits | |||
| Disclosure of financial assets [line items] | |||
| Total | (99,322) | (68,489) | (71,508) |
| Securities sold under repurchase agreements | |||
| Disclosure of financial assets [line items] | |||
| Total | (57,127) | (36,262) | (41,624) |
| Interbank market funds | |||
| Disclosure of financial assets [line items] | |||
| Total | (48,158) | (51,600) | (34,543) |
| Institutional market funds | |||
| Disclosure of financial assets [line items] | |||
| Total | (13,170) | (10,581) | (10,239) |
| Other | |||
| Disclosure of financial assets [line items] | |||
| Total | R$ (1,561) | R$ (346) | R$ (336) |