Disclosure Of Investment Property [Text Block]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|
| 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 |
5,249,100,000
GBP
|
— |
4,053,500,000
GBP
|
— |
| Changes in investment property [abstract] | ||||
| Gains (losses) on fair value adjustment, investment property | — |
840,900,000
GBP
|
— |
351,100,000
GBP
|