v3.26.1
Other current financial assets (Details) - CHF (SFr)
SFr in Millions
Jun. 30, 2026
Dec. 31, 2025
Disclosure of financial assets [line items]    
Other current financial assets SFr 78.1 SFr 59.2
Other current financial assets at amortized cost    
Disclosure of financial assets [line items]    
Other current financial assets 78.1 59.2
Other current financial assets at amortized cost | Credit cards    
Disclosure of financial assets [line items]    
Other current financial assets 21.9 11.0
Other current financial assets at amortized cost | Deposits    
Disclosure of financial assets [line items]    
Other current financial assets 24.8 19.9
Other current financial assets at amortized cost | Other receivables    
Disclosure of financial assets [line items]    
Other current financial assets 22.4 12.4
Other current financial assets at amortized cost | Other current financial assets    
Disclosure of financial assets [line items]    
Other current financial assets 9.1 15.9
Other current financial assets at fair value through profit and loss    
Disclosure of financial assets [line items]    
Other current financial assets SFr 0.0 SFr 0.0