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 |
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| Statement of changes in equity [abstract] | ||||||||||||
| Statement of changes in equity [line items] | ||||||||||||
| Increase (decrease) through transactions with owners, equity |
–
GBP
|
31 .1
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1. 2
GBP
|
2 9 .4
GBP
|
2 9. 9
GBP
|
0 . 5
GBP
|
2 5 . 2
GBP
|
100,000
GBP
|
2,900,000
GBP
|
3 0 . 4
GBP
|
2 8 . 2
GBP
|
5 . 2
GBP
|