v3.24.0.1
Liquidity risk - Contractual Maturities of Financial Liabilities (Details) - CHF (SFr)
SFr in Millions
Dec. 31, 2023
Dec. 31, 2022
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Trade payables SFr 65.1 SFr 111.0
Current lease liabilities 46.9 24.4
Other financial liabilities 14.8 9.5
Other current financial liabilities 61.7 33.9
Non-current lease liabilities 216.4 153.3
Total other non-current financial liabilities at amortized cost 216.4 153.3
Due in less than 3 months    
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Trade payables 65.1 111.0
Current lease liabilities 11.7 5.8
Other financial liabilities 14.8 9.5
Other current financial liabilities 26.5 15.4
Non-current lease 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
Current lease liabilities 35.2 18.5
Other financial liabilities 0.0 0.0
Other current financial liabilities 35.2 18.5
Non-current lease 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
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 135.1 73.6
Total other non-current financial liabilities at amortized cost 135.1 73.6
Due > 5 years    
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Trade payables 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 81.3 79.7
Total other non-current financial liabilities at amortized cost SFr 81.3 SFr 79.7