v3.25.4
Contract revenues - Recognized Revenues (Details) - CHF (SFr)
SFr in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Contract revenues      
Amounts included in the contract liability at the beginning of the period SFr 3,573    
Performance obligations satisfied in previous periods   SFr 24,600 SFr 14,801