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Financial investments (Details) - BRL (R$) R$ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Financial investments | R$ 4,172,591 | R$ 2,426,752
Banco B V [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial investments | 329,380 | 322,240
Banco Bradesco S A [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial investments | 657,631 | 643,445
Banco B T G Pactual S A [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial investments | 459,170 | 449,241
Banco Do Brasil S A [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Financial investments | R$ 2,726,410 | R$ 1,011,826

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