Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2022-05-01 to 2023-04-30 |
2021-05-01 to 2022-04-30 |
|---|---|---|
| Statement of changes in net assets available for benefits [abstract] | ||
| Reconciliation of changes in net assets available for benefits [abstract] | ||
| Changes in net assets available for benefits [abstract] | ||
| Tax expense (income) |
138,300,000
GBP
|
69,100,000
GBP
|