Analysis Of Income And Expense [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|
| Analysis of income and expense [abstract] | ||
| Revenue [abstract] | ||
| Revenue |
2,77 3.2
GBP
|
3,8 1 5.8
GBP
|
| Material income and expense [abstract] | ||
| Miscellaneous other operating income |
8,600,000
GBP
|
1 0.3
GBP
|
| Operating expense |
1 8 1 .8
GBP
|
1 5 2.9
GBP
|
| Income tax relating to components of other comprehensive income [abstract] | ||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss |
9,800,000
GBP
|
7 .6
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||
| Comprehensive income |
230,100,000
GBP
|
558,600,000
GBP
|