Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2021-09-19 to 2022-09-17 |
2020-09-13 to 2021-09-18 |
|---|---|---|
| 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) |
356,000,000
GBP
|
227,000,000
GBP
|