Statement Of Comprehensive Income [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 |
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 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||||||||
| Profit (loss) |
–
GBP
|
6 5 .5
GBP
|
3. 8
GBP
|
7 2 . 6
GBP
|
3,300,000
GBP
|
7 2 . 6
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
72 .6
GBP
|
3,300,000
GBP
|
69. 3
GBP
|
6 6 . 8
GBP
|
–
GBP
|
6 7. 0
GBP
|
2 9. 6
GBP
|
6 7. 0
GBP
|
3 7. 2
GBP
|
200,000
GBP
|
–
GBP
|
200,000
GBP
|
6 7. 0
GBP
|
–
GBP
|
–
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||||||||||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — | — | — |
2 .1
GBP
|
–
GBP
|
— | — | — | — | — | — |
2 .1
GBP
|
2 .9
GBP
|
— | — | — |
2 .9
GBP
|
— |
–
GBP
|
— | — | — | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — | — | — |
0 .1
GBP
|
–
GBP
|
— | — | — | — | — | — |
0 .1
GBP
|
1. 0
GBP
|
— | — | — |
1. 0
GBP
|
— |
–
GBP
|
— | — | — | — | — |
| Other comprehensive income |
16. 8
GBP
|
— | — |
14 . 8
GBP
|
0 . 8
GBP
|
14 . 8
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
2. 0
GBP
|
0. 8
GBP
|
14 . 0
GBP
|
6 4 . 4
GBP
|
65 . 5
GBP
|
6 3 .6
GBP
|
— |
6 3 . 6
GBP
|
— |
0. 8
GBP
|
–
GBP
|
0 . 8
GBP
|
1,900,000
GBP
|
–
GBP
|
–
GBP
|
| Comprehensive income |
16 . 8
GBP
|
— | — |
5 7. 8
GBP
|
2,500,000
GBP
|
5 7. 8
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
74 . 6
GBP
|
2,500,000
GBP
|
5 5 . 3
GBP
|
13 1. 2
GBP
|
65 .5
GBP
|
13 0 . 6
GBP
|
— |
13 0 . 6
GBP
|
— |
0. 6
GBP
|
–
GBP
|
0. 6
GBP
|
6 5 .1
GBP
|
–
GBP
|
–
GBP
|