Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) |
–
GBP
|
172,100,000
GBP
|
63,000,000
GBP
|
1,100,000
GBP
|
235,100,000
GBP
|
171,000,000
GBP
|
–
GBP
|
–
GBP
|
270,100,000
GBP
|
383,200,000
GBP
|
–
GBP
|
–
GBP
|
653,300,000
GBP
|
–
GBP
|
649,300,000
GBP
|
4,000,000
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — |
17,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
66,500,000
GBP
|
— | — | — |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — |
77,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
91,300,000
GBP
|
— | — | — |
| Other comprehensive income |
–
GBP
|
95,500,000
GBP
|
— |
1,000,000
GBP
|
— |
17,800,000
GBP
|
–
GBP
|
76,700,000
GBP
|
— | — |
–
GBP
|
90,900,000
GBP
|
157,800,000
GBP
|
–
GBP
|
66,500,000
GBP
|
400,000
GBP
|
| Comprehensive income |
–
GBP
|
76,600,000
GBP
|
— |
100,000
GBP
|
— |
153,200,000
GBP
|
–
GBP
|
76,700,000
GBP
|
— | — |
–
GBP
|
90,900,000
GBP
|
811,100,000
GBP
|
–
GBP
|
715,800,000
GBP
|
4,400,000
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
76,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
806,700,000
GBP
|
— | — | — |
| Comprehensive income, attributable to non-controlling interests | — |
100,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
4,400,000
GBP
|
— | — | — |