Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||
| Statement of changes in equity [line items] | ||||||||||||
| Increase (decrease) through exercise of options, equity | — | — | — | — | — | — |
—
GBP
|
1,000,000
GBP
|
—
GBP
|
—
GBP
|
1,000,000
GBP
|
—
GBP
|
| Purchase of treasury shares |
—
GBP
|
—
GBP
|
1,200,000
GBP
|
—
GBP
|
1,200,000
GBP
|
—
GBP
|
—
GBP
|
700,000
GBP
|
—
GBP
|
—
GBP
|
700,000
GBP
|
—
GBP
|