v3.26.1
Financial liabilities - Schedule of Contractual Maturities (Details) - CHF (SFr)
SFr in Millions
Jun. 30, 2026
Dec. 31, 2025
Disclosure of financial liabilities [line items]    
Trade payables SFr 211.0 SFr 154.8
Current lease liabilities 110.2 100.6
Other financial liabilities 46.3 56.7
Other current financial liabilities 156.5 157.3
Non-current lease liabilities 562.2 515.0
Other non-current financial liabilities 5.6 2.8
Other non-current financial liabilities 567.8 517.8
Due within 3 months    
Disclosure of financial liabilities [line items]    
Trade payables 211.0 154.8
Current lease liabilities 27.8 24.8
Other financial liabilities 21.3 38.3
Other current financial liabilities 49.1 63.1
Non-current lease liabilities 0.0 0.0
Other non-current financial liabilities 0.0 0.0
Other non-current financial liabilities 0.0 0.0
Due 4 to 12 months    
Disclosure of financial liabilities [line items]    
Trade payables 0.0 0.0
Current lease liabilities 82.4 75.7
Other financial liabilities 24.9 18.4
Other current financial liabilities 107.3 94.2
Non-current lease liabilities 0.0 0.0
Other non-current financial liabilities 0.0 0.0
Other non-current financial liabilities 0.0 0.0
Due 1 to 5 years    
Disclosure of 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 332.5 299.0
Other non-current financial liabilities 5.6 2.8
Other non-current financial liabilities 338.1 301.8
Due > 5 years    
Disclosure of 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 229.7 216.0
Other non-current financial liabilities 0.0 0.0
Other non-current financial liabilities SFr 229.7 SFr 216.0