v3.26.1
Post-employment Benefits - Actuarial assumptions (Details)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Post-employment Benefits    
Actuarial assumption of retirement age 65 years  
Discount rate (as a percent) 9.30% 10.50%
Salary increase (as a percent) 5.20% 5.20%
Inflation rate (as a percent) 3.70% 3.70%