Significant accounting policies - Schedule of Property, Plant and Equipment, Estimated Useful Lives (Details)	Dec. 31, 2023
Buildings | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	5 years
Buildings | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	50 years
Fixtures and machinery | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	7 years
Fixtures and machinery | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	18 years
Furniture and other fixed assets | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	4 years
Furniture and other fixed assets | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	12 years