v3.25.4
Liquidity risk - Schedule of Contractual Maturities of Financial Liabilities (Details) - CHF (SFr)
SFr in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Trade payables SFr 154.8 SFr 166.5
Accrued expenses 204.3 184.4
Current lease liabilities 100.6 44.2
Other financial liabilities 56.7 51.3
Other current financial liabilities 157.3 95.5
Non-current lease liabilities 515.0 335.1
Other non-current financial liabilities 2.8 1.7
Total other non-current financial liabilities at amortized cost 517.8 336.8
Not specified    
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Trade payables 0.0 0.0
Accrued expenses 204.3 184.4
Current lease liabilities 0.0 0.0
Other financial liabilities 0.0 0.0
Other current financial liabilities 0.0 0.0
Non-current lease liabilities 0.0 0.0
Other non-current financial liabilities 0.0 0.0
Total other non-current financial liabilities at amortized cost 0.0 0.0
Due in less than 3 months    
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Trade payables 154.8 166.5
Accrued expenses 0.0 0.0
Current lease liabilities 24.8 19.1
Other financial liabilities 38.3 36.5
Other current financial liabilities 63.1 55.7
Non-current lease liabilities 0.0 0.0
Other non-current financial liabilities 0.0 0.0
Total other non-current financial liabilities at amortized cost 0.0 0.0
Due 4 to 12 months    
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Trade payables 0.0 0.0
Accrued expenses 0.0 0.0
Current lease liabilities 75.7 25.1
Other financial liabilities 18.4 14.8
Other current financial liabilities 94.2 39.8
Non-current lease liabilities 0.0 0.0
Other non-current financial liabilities 0.0 0.0
Total other non-current financial liabilities at amortized cost 0.0 0.0
Due 1 - 5 years    
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Trade payables 0.0 0.0
Accrued expenses 0.0 0.0
Current lease liabilities 0.0 0.0
Other financial liabilities 0.0 0.0
Other current financial liabilities 0.0 0.0
Non-current lease liabilities 299.0 211.4
Other non-current financial liabilities 2.8 1.7
Total other non-current financial liabilities at amortized cost 301.8 213.1
Due > 5 years    
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Trade payables 0.0 0.0
Accrued expenses 0.0 0.0
Current lease liabilities 0.0 0.0
Other financial liabilities 0.0 0.0
Other current financial liabilities 0.0 0.0
Non-current lease liabilities 216.0 123.7
Other non-current financial liabilities 0.0 0.0
Total other non-current financial liabilities at amortized cost SFr 216.0 SFr 123.7