v3.26.3
Cash and cash equivalents, margin cash and long-term investments (Tables)
 9 Months Ended
Sep. 30, 2026
Cash and cash equivalents [abstract]  
Schedule of Considered as Cash and Cash Equivalents
Cash and cash equivalentsSeptember 30, 2026December 31, 2025
Cash on hand and at banks2,447,345 2,557,740 
CDB (bank certificates of deposit) / Overnight investments1,606,014 1,937,761 
National Treasury Bill (Tesouro Selic)95,403 69,635 
4,148,762 4,565,136 
Margin cash
CME (Chicago Mercantile Exchange) Margin investments36,648 105,993 
Investments in Treasury Bills66,061 53,569 
102,709 159,562 
Long-term investments
Investment funds52,030 45,780 
52,030 45,780 
Total4,303,501 4,770,478