Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2022-04-01 to 2023-03-31 |
2021-04-01 to 2022-03-31 |
|---|---|---|
| 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] | ||
| Other income |
700,000
GBP
|
1,800,000
GBP
|
| Administrative expenses |
226,400,000
GBP
|
272,700,000
GBP
|
| Tax expense (income) |
1,200,000
GBP
|
7,200,000
GBP
|