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Derivatives (Details 7) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |
Notional amount of credit protection sold | R$ (34,156) | R$ (15,447)
Notional amount of credit protection purchased with identical underlying amount | 9,652 | 6,109
Net position | (24,504) | (9,338)
Credit default swaps [member] |  |
IfrsStatementLineItems [Line Items] |  |
Notional amount of credit protection sold | (18,156) | (9,837)
Notional amount of credit protection purchased with identical underlying amount | 9,652 | 6,109
Net position | (8,504) | (3,728)
Total Returns Swap [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Notional amount of credit protection sold | (16,000) | (5,610)
Net position | R$ (16,000) | R$ (5,610)

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