Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2023-01-29 to 2024-01-27 |
2022-01-30 to 2023-01-28 |
|---|---|---|
| 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 |
657,700,000
GBP
|
481,800,000
GBP
|
| Tax expense (income) |
215,300,000
GBP
|
158,600,000
GBP
|