Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2019-04-01 to 2020-03-31 |
|---|---|---|---|---|---|---|
| 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] | ||||||
| Tax expense (income) |
2 . 4
GBP
|
4 . 3
GBP
|
0 . 6
GBP
|
6 . 5
GBP
|
5 . 9
GBP
|
1 . 9
GBP
|