v3.26.1
Other liabilities - Fixed concession fee payable (Details) - Brasilia Airport Concession Agreement
R$ in Thousands
12 Months Ended
Dec. 31, 2025
BRL (R$)
installment
Disclosure of financial liabilities [line items]  
Fixed concession fee payable | R$ R$ 4,501,132
Number of annual installments | installment 25