v3.26.1
Financial instruments and risk management (Details 7) - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Loans And Financing [Member]      
IfrsStatementLineItems [Line Items]      
Beginning balance R$ 3,035,501 R$ 3,770,946 R$ 4,969,825
Inflow 503,351  
Cancellation
Financial charges 240,493 261,094 319,861
Net foreign exchange variations (3,558) 57,125 (115,283)
Payments of principal (387,312) (1,413,497) (1,197,950)
Payment of interest (106,401) (143,518) (205,507)
Ending balance 2,778,723 3,035,501 3,770,946
Additions    
Lease liabilities [member]      
IfrsStatementLineItems [Line Items]      
Beginning balance 12,575,846 12,256,775 12,831,865
Inflow 2,933,767 2,639,801  
Cancellation (179,003) (493,143) (1,072,708)
Financial charges 1,644,044 1,471,288 1,365,024
Net foreign exchange variations
Payments of principal (1,563,393) (1,838,667) (1,812,508)
Payment of interest (1,646,393) (1,460,208) (1,420,557)
Ending balance 13,764,868 12,575,846 12,256,775
Additions     2,365,659
Derivative Financial Instruments Assets Liabilitie [Member]      
IfrsStatementLineItems [Line Items]      
Beginning balance (678,434) (567,698) (508,251)
Inflow (20,370)  
Cancellation 522,822
Financial charges 38,969 136,107 95,115
Net foreign exchange variations 3,544 (57,143) 115,282
Payments of principal 7,275 (13,255) (13,987)
Payment of interest (177,668) (156,075) (378,075)
Ending balance R$ (283,492) R$ (678,434) (567,698)
Additions     R$ 122,218