Disclosure Of Income Tax [Text Block]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 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 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of income tax [text block] | — | — | — | — |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Major components of tax expense (income) [abstract] | |||||||||||||||||||
| Tax expense (income) | — | — | — | — |
38 4 . 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
2 3 0 .1
GBP
|
— |
1 2 7. 1
GBP
|
| Income tax relating to components of other comprehensive income [abstract] | |||||||||||||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — |
–
GBP
|
−
GBP
|
–
GBP
|
7. 4
GBP
|
7. 4
GBP
|
–
GBP
|
7. 4
GBP
|
–
GBP
|
−
GBP
|
−
GBP
|
−
GBP
|
3. 0
GBP
|
— |
−
GBP
|
−
GBP
|
3,000,000
GBP
|
3,000,000
GBP
|
7. 4
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 |
32 2 .1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
341 . 5
GBP
|
— | — | — | — | — |
| Deferred tax liabilities |
3 50 . 8
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
312. 5
GBP
|
— | — | — | — | — |
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] |