Analysis Of Income And Expense [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||
| Revenue [abstract] | ||||||||||||||||
| Revenue | — | — |
848,200,000
GBP
|
— | — | — | — | — | — | — |
1, 0 11. 5
GBP
|
— | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||
| Finance income (cost) | — | — |
26,400,000
GBP
|
— | — | — | — | — | — | — |
3 5.4
GBP
|
— | — | — | — | — |
| Operating expense | — | — |
1, 0 5 7. 4
GBP
|
— | — | — | — | — | — | — |
8 53.0
GBP
|
— | — | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||||||
| Employee benefits expense | — | — |
5 81. 5
GBP
|
— | — | — | — | — | — | — |
670,800,000
GBP
|
— | — | — | — | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||||
| Depreciation and amortisation expense [abstract] | ||||||||||||||||
| Depreciation and amortisation expense | — | — |
3 7 3.5
GBP
|
— | — | — | — | — | — | — |
77 .9
GBP
|
— | — | — | — | — |
| Other expenses, by nature | — | — |
7 8 .7
GBP
|
— | — | — | — | — | — | — |
9 2.6
GBP
|
— | — | — | — | — |
| Disclosure of attribution of expenses by nature to their function [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of attribution of expenses by nature to their function [abstract] | ||||||||||||||||
| Disclosure of attribution of expenses by nature to their function [line items] | ||||||||||||||||
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations | — | — |
16 . 8
GBP
|
— | — | — | — | — | — | — |
5 4.6
GBP
|
— | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — |
0 .1
GBP
|
— | — | — | — | — | — | — |
0. 2
GBP
|
— | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income |
–
GBP
|
–
GBP
|
323. 7
GBP
|
–
GBP
|
16 . 8
GBP
|
–
GBP
|
3 0 6 . 9
GBP
|
3 23. 7
GBP
|
–
GBP
|
5 4. 6
GBP
|
6 8 . 9
GBP
|
–
GBP
|
14 . 3
GBP
|
–
GBP
|
6 8. 9
GBP
|
–
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
323. 7
GBP
|
— | — | — | — | — | — | — |
6 8.9
GBP
|
— | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — |
–
GBP
|
— | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — |