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Property, plant and equipment - Summary of useful lives of property, plant and equipment (Details)
 12 Months Ended
Dec. 31, 2024
Buildings | Bottom of range  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Useful lives of property, plant and equipment 5 years
Buildings | Top of range  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Useful lives of property, plant and equipment 50 years
Other plant and equipment | Bottom of range  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Useful lives of property, plant and equipment 3 years
Other plant and equipment | Top of range  
Disclosure of detailed information about property, plant and equipment [Line Items]  
Useful lives of property, plant and equipment 50 years