Intangible Assets - Summary of Changes in Intangible Assets and Goodwill (Parenthetical) (Detail) |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
|
| Bottom of range [member] | |||
| Disclosure of reconciliation of changes in intangible assets and goodwill [line items] | |||
| Remaining useful lives of finite lived intangible assets other than goodwill | 13 years | 14 years | 15 years |
| Top of range [member] | |||
| Disclosure of reconciliation of changes in intangible assets and goodwill [line items] | |||
| Remaining useful lives of finite lived intangible assets other than goodwill | 19 years | 20 years | 21 years |