Analysis Of Income And Expense [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|
| Analysis of income and expense [abstract] | ||
| Revenue [abstract] | ||
| Revenue |
3, 61 0. 5
GBP
|
3 , 328. 3
GBP
|
| Material income and expense [abstract] | ||
| Miscellaneous other operating income |
6,400,000
GBP
|
5 .4
GBP
|
| Operating expense |
1 29.7
GBP
|
116. 3
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 |
24,800,000
GBP
|
6,500,000
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||
| Comprehensive income |
8 45 .7
GBP
|
602,400,000
GBP
|