Intangible Assets - Additional Information (Detail) |
12 Months Ended |
|---|---|
Mar. 31, 2025 | |
| Disclosure of detailed information about intangible assets [line items] | |
| Term of agreement based on which discount rate is applied | 25 years |
| Bottom of range [member] | |
| Disclosure of detailed information about intangible assets [line items] | |
| Term of agreement based on which discount rate is applied | 13 years |
| Top of range [member] | |
| Disclosure of detailed information about intangible assets [line items] | |
| Term of agreement based on which discount rate is applied | 19 years |