Related parties - Schedule of Transactions (Details) SFr in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2023
CHF (SFr)
executiveMember
|
Dec. 31, 2022
CHF (SFr)
|
Dec. 31, 2021
CHF (SFr)
|
|
| Related party transactions [abstract] | |||
| Number of executive members | executiveMember | 5 | ||
| Short-term employee benefits | SFr 4.2 | SFr 2.1 | SFr 1.9 |
| Post-employment benefits | 0.3 | 1.8 | 14.4 |
| Share-based compensation | 13.8 | 15.1 | 67.3 |
| On Executive Team | SFr 18.3 | SFr 19.0 | SFr 83.6 |
| X | ||||||||||
- Definition The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of compensation to key management personnel in the form of post-employment benefits. [Refer: Key management personnel of entity or parent [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Number Of Executive Members No definition available.
|