Disclosure Of Investment Property [Text Block]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-01-01 |
|---|---|---|---|---|---|
| Disclosure of investment property [text block] |
|
— | — | — | — |
| Disclosure of detailed information about investment property [text block] | — | — | — | — | — |
| Disclosure of detailed information about investment property [abstract] | |||||
| Disclosure of detailed information about investment property [line items] | |||||
| Reconciliation of changes in investment property [abstract] | |||||
| Investment property | — |
277,100,000
GBP
|
278,500,000
GBP
|
— |
317,000,000
GBP
|
| Changes in investment property [abstract] | |||||
| Gains (losses) on fair value adjustment, investment property |
1,900,000
GBP
|
— | — |
39,100,000
GBP
|
— |
| Rental income from investment property, net of direct operating expense [abstract] | |||||
| Rental income from investment property |
16,100,000
GBP
|
— | — |
15,600,000
GBP
|
— |