XML 204 R172.htm IDEA: XBRL DOCUMENT v3.23.1
Fair value of financial instruments (Details 3) - BRL (R$)
R$ in Millions
Dec. 31, 2022
Dec. 31, 2021
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)