Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2021-04-05 to 2022-04-04 |
2020-04-05 to 2021-04-04 |
|---|---|---|
| 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 |
2,234,000,000
GBP
|
2,218,000,000
GBP
|
| Tax expense (income) |
345,000,000
GBP
|
205,000,000
GBP
|