Statement Of Changes In Equity [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 |
2021-04-09 to 2021-12-31 |
2021-04-09 to 2021-12-31 |
2021-04-09 to 2021-12-31 |
2021-04-09 to 2021-12-31 |
2021-04-09 to 2021-12-31 |
2021-04-09 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||
| Statement of changes in equity [line items] | ||||||||||||
| Increase (decrease) through acquisition of subsidiary, equity |
-
GBP
|
-
GBP
|
41,000
GBP
|
-
GBP
|
41,000
GBP
|
-
GBP
|
— | — | — | — | — | — |
| Sale or issue of treasury shares | — | — | — | — | — | — |
100,000,000
GBP
|
1,000,000
GBP
|
-
GBP
|
99,000,000
GBP
|
-
GBP
|
-
GBP
|
| Share issue related cost | — | — | — | — | — | — |
2,000,000
GBP
|
-
GBP
|
-
GBP
|
2,000,000
GBP
|
-
GBP
|
-
GBP
|