v3.24.0.1
Other current operating assets (Details) - CHF (SFr)
SFr in Millions
Dec. 31, 2023
Dec. 31, 2022
Subclassifications of assets, liabilities and equities [abstract]    
Prepaid expenses SFr 20.8 SFr 21.0
Indirect taxes (VAT/GST) receivables 26.6 39.7
Social security receivables 0.4 9.3
Other current assets 13.3 7.0
Other current operating assets SFr 61.2 SFr 77.0