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 |
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
|
7 2.7
GBP
|
–
GBP
|
73,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
24 8 . 2
GBP
|
24 8
GBP
|
| Other comprehensive income [abstract] | ||||||||||||
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||||
| Gains (losses) on financial assets measured at fair value through other comprehensive income, net of tax | — | — | — |
7. 6
GBP
|
— | — | — | — | — | — |
8 .1
GBP
|
— |
| Reclassification adjustments on financial assets measured at fair value through other comprehensive income, net of tax | — | — | — |
–
GBP
|
— | — | — | — | — | — |
0 . 3
GBP
|
— |
| Other comprehensive income |
–
GBP
|
–
GBP
|
8,000,000
GBP
|
7. 6
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
8,000,000
GBP
|
–
GBP
|
–
GBP
|
8 . 4
GBP
|
–
GBP
|
| Comprehensive income | — | — | — |
8 0. 3
GBP
|
— | — | — | — | — | — |
25 6 . 6
GBP
|
— |