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 |
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) |
270,100,000
GBP
|
383,200,000
GBP
|
–
GBP
|
–
GBP
|
653,300,000
GBP
|
–
GBP
|
649,300,000
GBP
|
4,000,000
GBP
|
2,000,000
GBP
|
28,000,000
GBP
|
–
GBP
|
350,800,000
GBP
|
–
GBP
|
–
GBP
|
322,800,000
GBP
|
320,800,000
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — | — | — |
66,500,000
GBP
|
— | — | — | — | — | — | — | — | — |
32,300,000
GBP
|
— |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — | — | — |
91,300,000
GBP
|
— | — | — | — | — | — | — | — | — |
63,000,000
GBP
|
— |
| Other comprehensive income | — | — |
–
GBP
|
90,900,000
GBP
|
157,800,000
GBP
|
–
GBP
|
66,500,000
GBP
|
400,000
GBP
|
100,000
GBP
|
— |
–
GBP
|
— |
63,100,000
GBP
|
–
GBP
|
30,700,000
GBP
|
32,300,000
GBP
|
| Comprehensive income | — | — |
–
GBP
|
90,900,000
GBP
|
811,100,000
GBP
|
–
GBP
|
715,800,000
GBP
|
4,400,000
GBP
|
2,100,000
GBP
|
— |
–
GBP
|
— |
63,100,000
GBP
|
–
GBP
|
292,100,000
GBP
|
353,100,000
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
806,700,000
GBP
|
— | — | — | — | — | — | — | — | — |
290,000,000
GBP
|
— |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — |
4,400,000
GBP
|
— | — | — | — | — | — | — | — | — |
2,100,000
GBP
|
— |