v3.25.2
Material accounting policies (Details)
 12 Months Ended
Mar. 31, 2025
shares
Bottom of range | Adjustment to mid-market consensus price, measurement input [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Significant unobservable input, assets 0.001
Bottom of range | Right-of-use assets  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life measured as period of time, property, plant and equipment 1 year
Bottom of range | Others  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life measured as period of time, intangible assets other than goodwill 3 years
Top of range | Adjustment to mid-market consensus price, measurement input [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Significant unobservable input, assets 0.050
Top of range | Right-of-use assets  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life measured as period of time, property, plant and equipment 5 years
Top of range | Others  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life measured as period of time, intangible assets other than goodwill 5 years
Leasehold improvements | Bottom of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life measured as period of time, property, plant and equipment 1 year
Leasehold improvements | Top of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life measured as period of time, property, plant and equipment 5 years
Equipment and fixtures | Bottom of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life measured as period of time, property, plant and equipment 2 years
Equipment and fixtures | Top of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life measured as period of time, property, plant and equipment 14 years