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Risk and Capital Management (Details 11) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
IfrsStatementLineItems [Line Items] |  |
Deposits | R$ 1,054,741 | R$ 951,352
Percentage of funding from clients | 100.00% | 100.00%
Funds from acceptances and issuance of securities | R$ (175) | R$ (82)
Subordinated debt | 45,224 | 46,677
Total | 1,567,584 | 1,399,596
Demand Deposit [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Deposits | R$ 124,920 | R$ 105,634
Percentage of funding from clients | 8.00% | 7.60%
Saving Deposits [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Deposits | R$ 180,730 | R$ 174,765
Percentage of funding from clients | 11.50% | 12.50%
Time Deposits [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Deposits | R$ 735,376 | R$ 656,591
Percentage of funding from clients | 46.90% | 46.90%
Other Deposit [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Deposits | R$ 13,715 | R$ 14,362
Percentage of funding from clients | 0.90% | 1.00%
Security Deposits [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Percentage of funding from clients | 23.70% | 23.50%
Funds from acceptances and issuance of securities | R$ 372,294 | R$ 328,645
Own Issue [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Funds from own issue | R$ 2 | R$ 8
Subordinateds Debt [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Percentage of funding from clients | 9.00% | 8.50%
Subordinated debt | R$ 140,547 | R$ 119,591
Not later than one month [member] |  |
IfrsStatementLineItems [Line Items] |  |
Deposits | 894,482 | 817,050
Total | 1,089,345 | 1,019,042
Not later than one month [member] | Demand Deposit [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Deposits | 124,920 | 105,634
Not later than one month [member] | Saving Deposits [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Deposits | 180,730 | 174,765
Not later than one month [member] | Time Deposits [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Deposits | 580,855 | 527,841
Not later than one month [member] | Other Deposit [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Deposits | 7,977 | 8,810
Not later than one month [member] | Security Deposits [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Funds from acceptances and issuance of securities | 189,700 | 200,886
Subordinated debt | R$ 5,163 | R$ 1,106

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