Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||
| Statement of changes in equity [line items] | |||||
| Increase (decrease) through transfer between revaluation surplus and retained earnings, equity |
—
GBP
|
764,400,000
GBP
|
—
GBP
|
—
GBP
|
764,400,000
GBP
|