Selling, general and administrative expenses - Schedule of Selling, General and Administrative Expenses (Details) - CHF (SFr) SFr in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Analysis of income and expense [abstract] | ||||
| Distribution expenses | SFr (84.7) | SFr (85.3) | SFr (167.9) | SFr (164.9) |
| Selling expenses | (81.1) | (60.8) | (151.6) | (121.5) |
| Marketing expenses | (118.8) | (89.7) | (228.0) | (170.5) |
| Share-based compensation | (12.2) | (10.9) | (33.5) | (25.5) |
| General and administrative expenses | (139.5) | (121.3) | (272.2) | (243.9) |
| Selling, general and administrative expenses | SFr (436.3) | SFr (368.0) | SFr (853.2) | SFr (726.3) |