Risk management (Details 5) - BRL (R$)
R$ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
| IfrsStatementLineItems [Line Items] |
|
|
| Demand deposits |
R$ 29,994
|
R$ 40,398
|
| Demand deposits Percentage |
100.00%
|
100.00%
|
| Savings accounts |
R$ 52,989
|
R$ 57,369
|
| Savings accounts Percentage |
100.00%
|
100.00%
|
| Time deposits |
R$ 414,479
|
R$ 403,686
|
| Time deposits Percentage |
29.00%
|
26.00%
|
| Interbank deposit |
R$ 6,022
|
R$ 5,850
|
| Interbank deposit percentage |
20.00%
|
18.00%
|
| Funds from acceptances and issuance of securities |
R$ 177,693
|
R$ 151,686
|
| Funds from acceptances and issuance of securities percentage |
6.00%
|
7.00%
|
| Borrowings and Onlendings |
R$ 109,594
|
R$ 105,768
|
| Borrowings and Onlendings percentage |
12.00%
|
9.00%
|
| Subordinated Debts / Debt Instruments Eligible to Compose Capital |
R$ 28,305
|
R$ 23,125
|
| Subordinated Debts / Debt Instruments Eligible to Compose Capital percentage |
|
|
| Total |
R$ 819,076
|
R$ 787,882
|
| Total percentage |
28.00%
|
28.00%
|
| Customers Funding 0 Days 30 [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Demand deposits |
R$ 29,994
|
R$ 40,398
|
| Savings accounts |
52,989
|
57,369
|
| Time deposits |
118,994
|
103,569
|
| Interbank deposit |
1,207
|
1,058
|
| Funds from acceptances and issuance of securities |
11,414
|
11,237
|
| Borrowings and Onlendings |
13,175
|
9,959
|
| Subordinated Debts / Debt Instruments Eligible to Compose Capital |
|
|
| Total |
R$ 227,773
|
R$ 223,590
|