v3.26.1
Borrowings and financing (Details 6) - Thirty Seven Issue Debentures [Member]
R$ in Thousands
3 Months Ended
Dec. 31, 2025
BRL (R$)
IfrsStatementLineItems [Line Items]  
Amount R$ 5,000,000
Thirty Seven Issue Debentures One [Member]  
IfrsStatementLineItems [Line Items]  
Amount R$ 3,500,000
Rate DI +0.69%
Maturity 2032
Thirty Seven Issue Debentures Two [Member]  
IfrsStatementLineItems [Line Items]  
Amount R$ 1,500,000
Rate DI+0.90%
Maturity 2035