Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2022-07-01 to 2023-06-30 |
2021-07-01 to 2022-06-30 |
|---|---|---|
| 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] | ||
| Investment income |
44,500,000
GBP
|
103,500,000
GBP
|
| Other income |
1,500,000
GBP
|
1,000,000
GBP
|
| Tax expense (income) |
200,000
GBP
|
200,000
GBP
|