Other current financial assets - Schedule of Other Current Financial Assets (Details) - CHF (SFr) SFr in Millions |
Jun. 30, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Disclosure of financial assets [line items] | ||
| Other current financial assets | SFr 38.2 | SFr 34.2 |
| Other current financial assets at amortized cost | ||
| Disclosure of financial assets [line items] | ||
| Other current financial assets | 38.2 | 34.2 |
| Other current financial assets at amortized cost | Credit cards | ||
| Disclosure of financial assets [line items] | ||
| Other current financial assets | 18.7 | 16.4 |
| Other current financial assets at amortized cost | Deposits | ||
| Disclosure of financial assets [line items] | ||
| Other current financial assets | 13.9 | 14.6 |
| Other current financial assets at amortized cost | Other current financial assets | ||
| Disclosure of financial assets [line items] | ||
| Other current financial assets | 5.6 | 3.2 |
| 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 |