Statement Of Changes In Equity [Abstract]
| Concept |
2024-02-01 to 2024-12-31 |
2024-02-01 to 2024-12-31 |
2024-02-01 to 2024-12-31 |
2024-02-01 to 2024-12-31 |
2024-02-01 to 2024-12-31 |
2024-02-01 to 2024-12-31 |
2024-02-01 to 2024-12-31 |
2024-02-01 to 2024-12-31 |
2024-02-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-01-31 |
2023-01-01 to 2024-01-31 |
2023-01-01 to 2024-01-31 |
2023-01-01 to 2024-01-31 |
2023-01-01 to 2024-01-31 |
2023-01-01 to 2024-01-31 |
2023-01-01 to 2024-01-31 |
As at 2024-01-31 |
2023-01-01 to 2024-01-31 |
2023-01-01 to 2024-01-31 |
2023-01-01 to 2024-01-31 |
As at 2024-01-31 |
As at 2024-01-31 |
As at 2024-01-31 |
As at 2024-01-31 |
As at 2024-01-31 |
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 | — | — | — | — | — | — | — | — | — |
5,600,000
GBP
|
127,100,000
GBP
|
72,900,000
GBP
|
87,100,000
GBP
|
500,000
GBP
|
–
GBP
|
39,000,000
GBP
|
–
GBP
|
— | — | — | — | — | — |
5,600,000
GBP
|
— | — | — |
56,800,000
GBP
|
73,200,000
GBP
|
360,400,000
GBP
|
224,400,000
GBP
|
400,000
GBP
|
281,000,000
GBP
|
12,600,000
GBP
|
56,800,000
GBP
|
5,600,000
GBP
|
135,600,000
GBP
|
69,900,000
GBP
|
500,000
GBP
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
–
GBP
|
5,700,000
GBP
|
–
GBP
|
–
GBP
|
700,000
GBP
|
6,400,000
GBP
|
–
GBP
|
5,700,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
81,700,000
GBP
|
–
GBP
|
81,700,000
GBP
|
–
GBP
|
–
GBP
|
— |
8,300,000
GBP
|
73,400,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
100,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
9,000,000
GBP
|
–
GBP
|
9,100,000
GBP
|
–
GBP
|
100,000
GBP
|
— | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
100,000
GBP
|
5,700,000
GBP
|
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
5,800,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
72,700,000
GBP
|
–
GBP
|
72,600,000
GBP
|
–
GBP
|
100,000
GBP
|
— | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — |
16,100,000
GBP
|
30,000,000
GBP
|
13,900,000
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
3,300,000
GBP
|
–
GBP
|
–
GBP
|
3,300,000
GBP
|
–
GBP
|
— | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
–
GBP
|
1,000,000
GBP
|
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
1,000,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
5,900,000
GBP
|
–
GBP
|
5,900,000
GBP
|
–
GBP
|
–
GBP
|
— | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |