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 |
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 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-01-01 |
As at 2024-01-01 |
As at 2024-01-01 |
As at 2024-01-01 |
As at 2024-01-01 |
As at 2024-01-01 |
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 |
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 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||
| Equity | — | — | — |
13 6 . 5
GBP
|
142 . 5
GBP
|
7,500,000
GBP
|
— | — |
8 . 4
GBP
|
— |
3 6 . 3
GBP
|
314 . 4
GBP
|
1 6 7.0
GBP
|
6 . 5
GBP
|
36 . 3
GBP
|
3 5 9. 8
GBP
|
14 2 . 5
GBP
|
7,500,000
GBP
|
— |
3 5 9. 8
GBP
|
— |
1 67.0
GBP
|
6 . 5
GBP
|
— | — |
1 42 . 5
GBP
|
— |
7,500,000
GBP
|
— |
3 6 . 3
GBP
|
1 83 . 1
GBP
|
14 . 9
GBP
|
3 6 . 3
GBP
|
7. 5
GBP
|
14 2 . 3
GBP
|
38 4 .1
GBP
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||
| Profit (loss) |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — |
3,900,000
GBP
|
3. 9
GBP
|
— |
–
GBP
|
— | — | — | — | — | — | — | — |
1 8 . 6
GBP
|
— |
–
GBP
|
— | — |
18,600,000
GBP
|
–
GBP
|
— |
–
GBP
|
— |
–
GBP
|
— | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — |
14 . 9
GBP
|
— | — | — | — | — | — | — | — | — | — |
8 . 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
14 . 9
GBP
|
–
GBP
|
–
GBP
|
— | — | — |
3 . 9
GBP
|
1 1 . 0
GBP
|
— |
–
GBP
|
— | — | — | — | — | — | — | — |
1 0. 2
GBP
|
— |
8 . 4
GBP
|
— | — |
18 . 6
GBP
|
–
GBP
|
— |
–
GBP
|
— |
–
GBP
|
— | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — |
36 .5
GBP
|
36,500,000
GBP
|
— |
–
GBP
|
— | — | — | — | — | — | — | — |
35. 4
GBP
|
— |
–
GBP
|
— | — |
35,400,000
GBP
|
–
GBP
|
— |
–
GBP
|
— |
–
GBP
|
— | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — |
2,100,000
GBP
|
2,100,000
GBP
|
— |
–
GBP
|
— | — | — | — | — | — | — | — |
0. 7
GBP
|
— |
–
GBP
|
— | — |
0. 7
GBP
|
–
GBP
|
— |
–
GBP
|
— |
–
GBP
|
— | — | — | — | — | — | — |