THE COMPANY (Details)	Mar. 31, 2026 country
THE COMPANY
Number of countries having sales network	40
Number of countries in which products are sold	100

The number of countries in which the entity operates as of balance sheet date.

No definition available.

Name:	as_IFRSNumberOfCountriesInWhichEntityOperates
Namespace Prefix:	as_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant