Statement Of Changes In Equity [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
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 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||
| Statement of changes in equity [line items] | ||||||||||||
| Increase (decrease) through exercise of options, equity |
—
GBP
|
—
GBP
|
—
GBP
|
6,600,000
GBP
|
—
GBP
|
6,600,000
GBP
|
—
GBP
|
—
GBP
|
3. 8
GBP
|
3,800,000
GBP
|
—
GBP
|
—
GBP
|
| Purchase of treasury shares | — | — | — | — | — | — |
—
GBP
|
1 .8
GBP
|
—
GBP
|
1 .8
GBP
|
—
GBP
|
—
GBP
|
| Cancellation of treasury shares |
0 .1
GBP
|
33 . 7
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
3 3. 6
GBP
|
— | — | — | — | — | — |
| Reduction of issued capital |
—
GBP
|
—
GBP
|
29 3.5
GBP
|
—
GBP
|
—
GBP
|
293,500,000
GBP
|
— | — | — | — | — | — |