v3.26.1
Pension plan obligations (Details 4)
R$ in Thousands
12 Months Ended
Dec. 31, 2025
BRL (R$)
G 1 Plan [Member]  
IfrsStatementLineItems [Line Items]  
Payment of benefits expected in 2025 R$ 256,213
Payment of benefits expected in 2026 236,985
Payment of benefits expected in 2027 221,642
Payment of benefits expected in 2028 206,567
Payment of benefits expected in 2029 or after 1,809,783
Payment of benefits expected 2,731,190
G 0 Plan [Member]  
IfrsStatementLineItems [Line Items]  
Payment of benefits expected in 2025 225,953
Payment of benefits expected in 2026 191,192
Payment of benefits expected in 2027 177,661
Payment of benefits expected in 2028 164,661
Payment of benefits expected in 2029 or after 1,281,180
Payment of benefits expected R$ 2,040,647