Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|
| 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] | |||||||
| Administrative expenses |
5 09. 2
GBP
|
5 08.8
GBP
|
2 .6
GBP
|
2,200,000
GBP
|
0 . 8
GBP
|
4 8 1 . 2
GBP
|
4 8 2 . 0
GBP
|
| Tax expense (income) |
2 3 . 0
GBP
|
23 . 4
GBP
|
100,000
GBP
|
0. 3
GBP
|
0 .1
GBP
|
2 0. 6
GBP
|
20,500,000
GBP
|