Share capital - Narrative (Details) - CHF (SFr) SFr / shares in Units, SFr in Millions |
Jun. 30, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Disclosure of classes of share capital [line items] | ||
| Share capital | SFr 33.5 | SFr 33.5 |
| Share capital, paid-in percentage | 100.00% | |
| Class A | ||
| Disclosure of classes of share capital [line items] | ||
| Number of shares registered (in shares) | 299,998,125 | |
| Par value per share (in CHF per share) | SFr 0.10 | |
| Class B | ||
| Disclosure of classes of share capital [line items] | ||
| Number of shares registered (in shares) | 345,437,500 | |
| Par value per share (in CHF per share) | SFr 0.01 |