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 |
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 |
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 |
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| Statement of changes in equity [abstract] | ||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||
| Decrease (increase) through tax on share-based payment transactions, equity |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
300,000
GBP
|
300,000
GBP
|
–
GBP
|
0 .4
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
0 .4
GBP
|
–
GBP
|
–
GBP
|
| Purchase of treasury shares |
–
GBP
|
0. 2
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
101,100,000
GBP
|
0. 2
GBP
|
101,100,000
GBP
|
–
GBP
|
–
GBP
|
15 1. 6
GBP
|
–
GBP
|
151 . 6
GBP
|
–
GBP
|
–
GBP
|
0 .4
GBP
|
0 .4
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
| Sale or issue of treasury shares |
0 .1
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1. 2
GBP
|
1. 2
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|