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 |
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) | — | — |
81,900,000
GBP
|
— | — |
–
GBP
|
81,900,000
GBP
|
— | — | — | — |
42,200,000
GBP
|
119,500,000
GBP
|
77,300,000
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||
| Gains (losses) on exchange differences on translation of foreign operations, net of tax | — | — |
28,500,000
GBP
|
— | — | — | — | — | — | — | — | — |
32,800,000
GBP
|
— |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — |
30,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
28,300,000
GBP
|
— |
| Other comprehensive income | — | — |
30,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
28,300,000
GBP
|
— |
| Comprehensive income |
–
GBP
|
30,000,000
GBP
|
51,900,000
GBP
|
–
GBP
|
81,900,000
GBP
|
— | — |
119,500,000
GBP
|
–
GBP
|
28,300,000
GBP
|
–
GBP
|
— |
91,200,000
GBP
|
— |