Material Accounting Policies - Intangible Assets (Details)	12 Months Ended
	Mar. 31, 2025
Marketed Products \| Bottom of range
Disclosure of detailed information about intangible assets [line items]
Estimated useful life of intangible asset	3 years
Marketed Products \| Top of range
Disclosure of detailed information about intangible assets [line items]
Estimated useful life of intangible asset	20 years
Software \| Bottom of range
Disclosure of detailed information about intangible assets [line items]
Estimated useful life of intangible asset	3 years
Software \| Top of range
Disclosure of detailed information about intangible assets [line items]
Estimated useful life of intangible asset	10 years