Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
|---|---|---|---|---|---|---|
| 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 |
4. 3
GBP
|
6 7. 1
GBP
|
71 .4
GBP
|
268,700,000
GBP
|
976 . 0
GBP
|
1 , 24 4 . 7
GBP
|
| Tax expense (income) |
7 31 .7
GBP
|
1 51 . 1
GBP
|
882 . 8
GBP
|
101 . 5
GBP
|
122. 8
GBP
|
22 4.3
GBP
|