Disclosure Of Income Tax [Text Block]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
As at 2022-01-01 |
|---|---|---|---|---|---|---|---|---|---|
| Disclosure of income tax [text block] |
|
— | — | — | — | — | — | — | — |
| Major components of tax expense (income) [abstract] | |||||||||
| Tax expense (income) |
2 35. 5
GBP
|
— |
39 .7
GBP
|
19 5 . 8
GBP
|
— |
4,400,000
GBP
|
6 7. 4
GBP
|
71. 8
GBP
|
— |
| Income tax relating to components of other comprehensive income [abstract] | |||||||||
| Income tax relating to cash flow hedges included in other comprehensive income |
15 0 . 8
GBP
|
— | — | — | — |
43,900,000
GBP
|
— | — | — |
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income |
7. 2
GBP
|
— | — | — | — |
6 .1
GBP
|
— | — | — |
| Income tax relating to change in value of foreign currency basis spreads included in other comprehensive income |
1. 9
GBP
|
— | — | — | — |
2. 2
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 | — |
52. 9
GBP
|
— | — |
3 7. 3
GBP
|
— | — | — |
2 8 .7
GBP
|
| Deferred tax liabilities | — |
3 1 7.1
GBP
|
— | — |
14 1. 6
GBP
|
— | — | — |
22 5.3
GBP
|
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] | |||||||||
| Tax effect from change in tax rate |
3 . 0
GBP
|
— |
2 .4
GBP
|
0 .6
GBP
|
— |
6 .7
GBP
|
2 . 9
GBP
|
9,600,000
GBP
|
— |