Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
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 |
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 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||
| Profit (loss) |
–
GBP
|
11. 2
GBP
|
–
GBP
|
6 . 2
GBP
|
–
GBP
|
–
GBP
|
11. 2
GBP
|
5,000,000
GBP
|
–
GBP
|
4 .9
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
117. 0
GBP
|
121,900,000
GBP
|
117. 0
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — | — |
11 . 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
5 7. 8
GBP
|
— |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — | — |
2 9 9. 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
21. 2
GBP
|
— |
| Other comprehensive income |
–
GBP
|
2 81.9
GBP
|
293,600,000
GBP
|
288,000,000
GBP
|
–
GBP
|
–
GBP
|
11 . 7
GBP
|
6 .1
GBP
|
–
GBP
|
800,000
GBP
|
–
GBP
|
–
GBP
|
2 2.0
GBP
|
–
GBP
|
–
GBP
|
7 9. 8
GBP
|
7 9. 0
GBP
|
5 7. 8
GBP
|
| Comprehensive income |
–
GBP
|
270. 7
GBP
|
293,600,000
GBP
|
2 81. 8
GBP
|
–
GBP
|
–
GBP
|
2 2 .9
GBP
|
11 .1
GBP
|
–
GBP
|
4 .1
GBP
|
–
GBP
|
–
GBP
|
22. 0
GBP
|
–
GBP
|
–
GBP
|
19 6 . 8
GBP
|
2 0 0 .9
GBP
|
174 . 8
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
270. 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
19 6 . 8
GBP
|
— |
| Comprehensive income, attributable to non-controlling interests | — | — | — |
11 . 1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
4 .1
GBP
|
— |