v3.26.1
Investment (Details 1) - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
IfrsStatementLineItems [Line Items]      
Profit (loss) R$ 4,311,984 R$ 3,153,881 R$ 2,837,422
Investment property R$ 1,260,486 R$ 1,368,286  
I-Systems [Member]      
IfrsStatementLineItems [Line Items]      
Number of shares in entity held by entity or by its subsidiaries or associates 1,794,287,995 1,794,287,995  
Interest in total capital 49.00% 49.00%  
Issue of equity R$ 1,159,029 R$ 1,379,030  
Profit (loss) (220,000) (167,145)  
Equity in earnings (107,800) (82,526)  
Investment property R$ 1,260,486 R$ 1,368,286