Material Accounting Policy Information - Summary of Estimated Useful Lives of Amortizable Intangible Assets (Detail) |
12 Months Ended |
|---|---|
Mar. 31, 2026 | |
| Customer related intangibles [member] | Bottom of range [member] | |
| Disclosure of detailed information about intangible assets [line items] | |
| Estimated useful lives of the amortizable intangible assets | 1 year |
| Customer related intangibles [member] | Top of range [member] | |
| Disclosure of detailed information about intangible assets [line items] | |
| Estimated useful lives of the amortizable intangible assets | 10 years |
| Marketing related intangibles [member] | Bottom of range [member] | |
| Disclosure of detailed information about intangible assets [line items] | |
| Estimated useful lives of the amortizable intangible assets | 2 years 6 months |
| Marketing related intangibles [member] | Top of range [member] | |
| Disclosure of detailed information about intangible assets [line items] | |
| Estimated useful lives of the amortizable intangible assets | 10 years |