Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2024-01-01 to 2024-12-29 |
2023-01-02 to 2023-12-31 |
|---|---|---|
| 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 |
310,200,000
GBP
|
297 .1
GBP
|
| Tax expense (income) |
19,400,000
GBP
|
10,600,000
GBP
|