Analysis Of Income And Expense [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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||
| Revenue | — | — | — |
139, 989
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
142,797,000
GBP
|
— |
| Material income and expense [abstract] | ||||||||||||||||||
| Research and development expense | — | — | — |
60,937,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
40,189,000
GBP
|
— |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
–
GBP
|
7 ,825
GBP
|
–
GBP
|
10,575,000
GBP
|
–
GBP
|
–
GBP
|
2,750,000
GBP
|
7 ,825
GBP
|
–
GBP
|
— | — | — | — | — | — | — |
–
GBP
|
— |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income |
–
GBP
|
31,332,000
GBP
|
–
GBP
|
34,584,000
GBP
|
–
GBP
|
39,157,000
GBP
|
3,252,000
GBP
|
7 ,825
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
19, 011
GBP
|
19 ,011
GBP
|
19,011,000
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
31,332,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
19, 011
GBP
|
— |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — |
3,252,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
–
GBP
|
— |