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 |
As at 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 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 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — | — | — |
1,0 81. 5
GBP
|
2 .0
GBP
|
— |
3,400,000
GBP
|
400,000
GBP
|
9,700,000
GBP
|
— | — |
1 ,170 . 2
GBP
|
— | — | — |
300,000
GBP
|
92 .7
GBP
|
–
GBP
|
— | — | — |
1 ,170. 6
GBP
|
— |
1 ,1 1 0 .7
GBP
|
— |
1 ,03 0.0
GBP
|
— | — | — |
300,000
GBP
|
— |
0 .7
GBP
|
— |
3,400,000
GBP
|
3 .7
GBP
|
80. 5
GBP
|
— |
0 . 5
GBP
|
1 ,11 0. 4
GBP
|
–
GBP
|
— | — | — | — |
1, 043.8
GBP
|
300,000
GBP
|
–
GBP
|
48 8 .0
GBP
|
–
GBP
|
1, 043.5
GBP
|
–
GBP
|
555 .0
GBP
|
400,000
GBP
|
0 .1
GBP
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — |
96,300,000
GBP
|
— | — | — | — | — | — |
11 8 .1
GBP
|
21 . 8
GBP
|
— |
105,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 1 4 .7
GBP
|
9. 1
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | — | — |
5 . 2
GBP
|
— | — | — | — | — | — | — | — | — |
4 .7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
91,000,000
GBP
|
–
GBP
|
–
GBP
|
— | — |
6 . 0
GBP
|
— | — | — |
96. 2
GBP
|
100,000
GBP
|
— |
91 .1
GBP
|
800,000
GBP
|
–
GBP
|
— | — | — |
–
GBP
|
— | — | — |
100,900,000
GBP
|
— |
10 0.8
GBP
|
— |
0 .1
GBP
|
105. 5
GBP
|
–
GBP
|
— |
4 . 1
GBP
|
— |
–
GBP
|
— | — | — |
–
GBP
|
— | — | — |
–
GBP
|
— | — |
0 . 6
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Issue of equity |
13. 5
GBP
|
–
GBP
|
1. 3
GBP
|
— | — |
–
GBP
|
— | — | — |
–
GBP
|
–
GBP
|
— |
13 . 5
GBP
|
–
GBP
|
12. 2
GBP
|
— | — | — |
–
GBP
|
— | — | — |
700,000
GBP
|
— |
0 .7
GBP
|
— |
–
GBP
|
–
GBP
|
700,000
GBP
|
— |
–
GBP
|
— |
–
GBP
|
— | — | — |
–
GBP
|
— | — | — |
–
GBP
|
— | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
4 8 .1
GBP
|
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
— | — | — |
4 8 . 1
GBP
|
0 . 2
GBP
|
— |
4 8 . 3
GBP
|
–
GBP
|
–
GBP
|
— | — | — |
–
GBP
|
— | — | — |
3 7. 6
GBP
|
— |
3 7. 3
GBP
|
— |
0 . 3
GBP
|
3 7. 3
GBP
|
–
GBP
|
— |
–
GBP
|
— |
–
GBP
|
— | — | — |
–
GBP
|
— | — | — |
–
GBP
|
— | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
3,600,000
GBP
|
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
— | — | — |
3,600,000
GBP
|
–
GBP
|
— |
3,600,000
GBP
|
–
GBP
|
–
GBP
|
— | — | — |
–
GBP
|
— | — | — |
2 .9
GBP
|
— |
2 .9
GBP
|
— |
–
GBP
|
2. 9
GBP
|
–
GBP
|
— |
–
GBP
|
— |
–
GBP
|
— | — | — |
–
GBP
|
— | — | — |
–
GBP
|
— | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — |