Disclosure Of Income Tax [Text Block]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|
| Disclosure of income tax [text block] | — | — | — | — | — | — | — | — |
| Major components of tax expense (income) [abstract] | ||||||||
| Tax expense (income) | — |
5,700,000
GBP
|
94,400,000
GBP
|
88,700,000
GBP
|
— |
67,900,000
GBP
|
4,500,000
GBP
|
72,400,000
GBP
|
| Disclosure of temporary difference, unused tax losses and unused tax credits [text block] | — | — | — | — | — | — | — | — |
| Disclosure of temporary difference, unused tax losses and unused tax credits [abstract] | ||||||||
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] | ||||||||
| Deferred tax assets and liabilities [abstract] | ||||||||
| Deferred tax assets |
13,500,000
GBP
|
— | — | — |
14,500,000
GBP
|
— | — | — |
| Deferred tax liabilities |
151,400,000
GBP
|
— | — | — |
160,300,000
GBP
|
— | — | — |
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] |