Disclosure Of Income Tax [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 income tax [text block] |
|
— | — | — | — |
| Major components of tax expense (income) [abstract] | |||||
| Tax expense (income) |
54,500,000
GBP
|
— | — |
69,900,000
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
|
— | — |
2,500,000
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 | — |
56,500,000
GBP
|
89,000,000
GBP
|
— |
29,400,000
GBP
|
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] |