Goodwill - Narrative (Details) - cash-generatingUnit |
12 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Disclosure of detailed information about intangible assets [line items] | ||
| Number of CGU used in impairment testing | 1 | 1 |
| Goodwill | Post-tax | ||
| Disclosure of detailed information about intangible assets [line items] | ||
| Estimated future cash flows, projection period | 10 years | |