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 |
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 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||||
| Profit (loss) |
–
GBP
|
–
GBP
|
1,635,300,000
GBP
|
1,631,500,000
GBP
|
3,800,000
GBP
|
399,300,000
GBP
|
1,236,000,000
GBP
|
1,631,500,000
GBP
|
–
GBP
|
–
GBP
|
10,300,000
GBP
|
–
GBP
|
77,900,000
GBP
|
–
GBP
|
–
GBP
|
177,900,000
GBP
|
266,100,000
GBP
|
–
GBP
|
88,200,000
GBP
|
77,900,000
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — |
28,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
58,900,000
GBP
|
— |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
–
GBP
|
28,000,000
GBP
|
145,400,000
GBP
|
–
GBP
|
–
GBP
|
— | — |
145,400,000
GBP
|
–
GBP
|
173,400,000
GBP
|
–
GBP
|
52,100,000
GBP
|
9,700,000
GBP
|
–
GBP
|
42,400,000
GBP
|
— | — |
–
GBP
|
9,700,000
GBP
|
–
GBP
|
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — |
361,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
57,200,000
GBP
|
— |
| Other comprehensive income | — | — |
389,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
116,100,000
GBP
|
— |
| Comprehensive income |
–
GBP
|
28,000,000
GBP
|
2,025,100,000
GBP
|
1,659,900,000
GBP
|
9,700,000
GBP
|
— | — |
2,015,400,000
GBP
|
–
GBP
|
383,500,000
GBP
|
13,000,000
GBP
|
52,100,000
GBP
|
191,300,000
GBP
|
–
GBP
|
2,400,000
GBP
|
— | — |
–
GBP
|
204,300,000
GBP
|
136,800,000
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
2,015,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
191,300,000
GBP
|
— |
| Comprehensive income, attributable to non-controlling interests | — | — |
9,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
13,000,000
GBP
|
— |