v3.25.4
Right-of-use assets and lease liabilities (Tables)
 12 Months Ended
Dec. 31, 2025
Disclosure of quantitative information about right-of-use assets [abstract]  
Schedule of Right-of-use Assets
(CHF in millions)StorageStores & showroomsOfficesCarsTotal
Cost as of January 1, 202487.5 70.5 116.9 8.1 283.1 
Accumulated Depreciation as of January 1, 2024(22.1)(15.4)(26.1)(5.4)(69.1)
Net book value as of January 1, 202465.3 55.1 90.8 2.8 214.0 
Twelve-month period ended December 31, 2024
Opening net book value
65.3 55.1 90.8 2.8 214.0 
Lease modification0.1 4.4 1.9 — 6.4 
Additions57.4 76.2 18.7 1.4 153.8 
Disposals— (0.2)— (0.1)(0.2)
Depreciation(28.0)(19.3)(11.6)(1.8)(60.8)
Exchange Difference5.8 3.1 1.3 — 10.3 
Net book value as of December 31, 2024100.7 119.4 101.1 2.5 323.6 
Cost as of December 31, 2024152.8 154.4 139.1 9.6 455.9 
Accumulated Depreciation as of December 31, 2024(52.1)(35.0)(38.0)(7.1)(132.3)
Net book value as of December 31, 2024100.7 119.4 101.1 2.5 323.6 
Twelve-month period ended December 31, 2025
Opening net book value
100.7 119.4 101.1 2.5 323.6 
Lease modification2.2 2.6 1.6 0.1 6.4 
Additions143.4 137.8 9.2 0.8 291.2 
Disposals— — — (0.1)(0.1)
Depreciation(33.5)(30.9)(13.4)(1.6)(79.4)
Impairment— (1.7)— — (1.7)
Exchange Difference(26.1)(16.3)(3.5)(0.1)(45.9)
Net book value as of December 31, 2025186.7 210.8 95.0 1.6 494.1 
Cost as of December 31, 2025265.0 272.3 144.9 9.8 692.0 
Accumulated Depreciation as of December 31, 2025(78.3)(61.5)(49.9)(8.2)(197.9)
Net book value as of December 31, 2025186.7 210.8 95.0 1.6 494.1 
Schedule of Lease Liabilities
Reconciliation of lease liabilities:

(CHF in millions)20252024
Lease liability balance at January 1,347.5 228.9 
thereof current59.1 38.7 
thereof non-current288.5 190.3 
Payments(65.9)(51.3)
Interest expenses paid(21.3)(15.2)
Disposals(0.1)(0.2)
Additions281.4 153.7 
Lease modification6.0 5.4 
Accrued interest21.3 15.2 
Exchange differences(47.4)10.9 
Lease liability balance at December 31,521.5 347.5 
thereof current81.2 59.1 
thereof non-current440.3 288.5