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v3.23.1

Fair value of financial instruments (Details 3) - BRL (R$) R$ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Scenario one [member] | Interest rate risk [member] |  |
IfrsStatementLineItems [Line Items] |  |
Impact, Income | R$ (2.2) | R$ (1.5)
Scenario one [member] | Commodities Indexes And Shares [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Impact, Income | (6.7) |
Scenario one [member] | Nonlinear risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Impact, Income | (24.8) | (56.5)
Scenario Two [member] | Interest rate risk [member] |  |
IfrsStatementLineItems [Line Items] |  |
Impact, Income | (56.9) | (38.2)
Scenario Two [member] | Commodities Indexes And Shares [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Impact, Income | (13.4) |
Scenario Two [member] | Nonlinear risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Impact, Income | (37.8) | (93.3)
Scenario Three [member] | Interest rate risk [member] |  |
IfrsStatementLineItems [Line Items] |  |
Impact, Income | R$ (113.3) | R$ (76.4)

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