Disclosure Of Leases [Text Block]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|
| Disclosure of leases [text block] | — | — | — |
| Presentation of leases for lessee [abstract] | |||
| Right-of-use assets |
1 , 3 95 .1
GBP
|
1, 504 .5
GBP
|
1,734,500,000
GBP
|
| Lease liabilities [abstract] | |||
| Current lease liabilities |
2 7 9. 7
GBP
|
32 3. 8
GBP
|
30 2. 2
GBP
|
| Non-current lease liabilities |
1 , 76 2 . 1
GBP
|
1,83 2.5
GBP
|
1 , 9 4 7. 5
GBP
|
| Disclosure of quantitative information about leases for lessee [abstract] | |||
| Disclosure of quantitative information about right-of-use assets [text block] | — | — | — |
| Disclosure of quantitative information about right-of-use assets [abstract] | |||
| Disclosure of quantitative information about right-of-use assets [line items] | |||
| Reconciliation of changes in right-of-use assets [abstract] |