v3.25.4
Commitments and contingencies (Tables)
 12 Months Ended
Dec. 31, 2025
Commitments and Contingencies [Abstract]  
Schedule of Contractual Obligation of Leases The total committed future outflow resulting of these lease contracts amounts to:
(CHF in millions)12/31/202512/31/2024
Due < 1 year7.8 16.9 
Due 1 - 5 years67.7 135.8 
Due > 5 years78.3 178.5 
Commitments for future lease obligations153.8 331.1 
Contractual maturities of On’s undiscounted financial liabilities:

(CHF in millions)
Not specified(1)
Due
< 3 months		Due
4 to 12 months		Due
1 to 5 years		Due
> 5 years		12/31/2025
Trade payables— 154.8 — — — 154.8 
Accrued expenses204.3 — — — — 204.3 
Current lease liabilities— 24.8 75.7 — — 100.6 
Other financial liabilities— 38.3 18.4 — — 56.7
Other current financial liabilities— 63.1 94.2 — — 157.3 
Non-current lease liabilities— — — 299.0 216.0 515.0
Other non-current financial liabilities— — — 2.8 — 2.8
Other non-current financial liabilities— — — 301.8 216.0 517.8 
(CHF in millions)
Not specified(1)
Due
< 3 months		Due
4 to 12 months		Due
1 to 5 years		Due
> 5 years		12/31/2024
Trade payables— 166.5 — — — 166.5 
Accrued expenses184.4 — — — — 184.4 
Current lease liabilities— 19.1 25.1 — — 44.2 
Other financial liabilities— 36.5 14.8 — — 51.3 
Other current financial liabilities— 55.7 39.8 — — 95.5 
Non-current lease liabilities— — — 211.4 123.7 335.1 
Other non-current financial liabilities— — — 1.7 — 1.7 
Other non-current financial liabilities— — — 213.1 123.7 336.8 
(1) This category includes accrued expenses for which the due date is not specified. These are expected to be settled within the next twelve months. Refer to note 3.6 Other current operating assets and liabilities for additional information on accrued expenses.