Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|
| 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] | |||
| Tax expense (income) |
378,000,000
GBP
|
559,000,000
GBP
|
480,000,000
GBP
|