Basis of preparation and material accounting policies - Useful life of intangible assets (Details)	12 Months Ended
	Dec. 31, 2024
Trademarks
Disclosure of detailed information about intangible assets [line items]
Useful life of intangible assets	3 years
Customer relationships
Disclosure of detailed information about intangible assets [line items]
Useful life of intangible assets	4 years
Purchased technology
Disclosure of detailed information about intangible assets [line items]
Useful life of intangible assets	10 years
Development costs
Disclosure of detailed information about intangible assets [line items]
Useful life of intangible assets	3 years
Software
Disclosure of detailed information about intangible assets [line items]
Useful life of intangible assets	5 years