v3.26.1
Pension plan obligations (Details 5)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
G 1 Plan [Member]    
IfrsStatementLineItems [Line Items]    
Discount rate - actual rate (NTN-B) 7.37% 7.40%
Inflation rate 4.05% 4.96%
Nominal rate of salary growth 6.13% 7.06%
Mortality table AT-2000 table, rated down by 10% (Segregated by gender) AT-2000 table (Segregated by gender)
G 0 Plan [Member]    
IfrsStatementLineItems [Line Items]    
Discount rate - actual rate (NTN-B) 7.39% 7.37%
Inflation rate 4.05% 4.96%
Nominal rate of salary growth 4.05% 7.06%
Mortality table AT-2000 table, rated down by 10% (Segregated by gender) AT-2000 table (Segregated by gender)