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) |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
5 8. 8
GBP
|
–
GBP
|
5 8 .8
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
45,500,000
GBP
|
45,500,000
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||
| Cash flow hedges [abstract] | ||||||||||||||
| Other comprehensive income, net of tax, cash flow hedges | — | — | — | — |
0 . 8
GBP
|
— | — | — | — | — | — | — |
200,000
GBP
|
— |
| Other comprehensive income |
–
GBP
|
0 .8
GBP
|
–
GBP
|
–
GBP
|
0 . 8
GBP
|
–
GBP
|
–
GBP
|
200,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
200,000
GBP
|
–
GBP
|
| Comprehensive income |
–
GBP
|
0 . 8
GBP
|
–
GBP
|
–
GBP
|
5 9. 6
GBP
|
–
GBP
|
5 8 . 8
GBP
|
200,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
45,300,000
GBP
|
45,500,000
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
5 9.6
GBP
|
— | — | — | — | — | — | — |
45,300,000
GBP
|
— |