Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2022-07-01 to 2023-06-30 |
2021-07-01 to 2022-06-30 |
2020-07-01 to 2021-06-30 |
|---|---|---|---|
| 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) |
970,000,000
GBP
|
1,049,000,000
GBP
|
907,000,000
GBP
|