Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2023-04-01 to 2024-03-31 |
2022-04-01 to 2023-03-31 |
|---|---|---|
| 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] | ||
| Investment income |
9,200,000
GBP
|
217,400,000
GBP
|
| Tax expense (income) |
9,200,000
GBP
|
3,300,000
GBP
|