Profit Or Loss [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | |||||||||
| Profit (loss) [abstract] | |||||||||
| Profit (loss) from operating activities | — |
317,000,000
GBP
|
— | — |
347,000,000
GBP
|
— | — |
294,000,000
GBP
|
— |
| Finance income | — |
49,000,000
GBP
|
— | — |
4,000,000
GBP
|
— | — |
6,000,000
GBP
|
— |
| Finance costs | — |
79,000,000
GBP
|
— | — |
34,000,000
GBP
|
— | — |
78,000,000
GBP
|
— |
| Impairment loss (impairment gain and reversal of impairment loss) determined in accordance with IFRS 9 | — |
24,000,000
GBP
|
— | — |
–
GBP
|
— | — |
–
GBP
|
— |
| Profit (loss) before tax | — |
296,000,000
GBP
|
— | — |
325,000,000
GBP
|
— | — |
230,000,000
GBP
|
— |
| Tax expense (income) |
58,000,000
GBP
|
64,000,000
GBP
|
— |
50,000,000
GBP
|
62,000,000
GBP
|
— | — |
44,000,000
GBP
|
40,000,000
GBP
|
| Profit (loss) | — |
232,000,000
GBP
|
232,000,000
GBP
|
— |
263,000,000
GBP
|
263,000,000
GBP
|
186,000,000
GBP
|
186,000,000
GBP
|
— |
| Profit (loss), attributable to [abstract] | |||||||||
| Profit (loss), attributable to owners of parent | — |
232,000,000
GBP
|
— | — |
263,000,000
GBP
|
— | — |
186,000,000
GBP
|
— |
| Profit (loss), attributable to non-controlling interests | — |
–
GBP
|
— | — |
–
GBP
|
— | — |
–
GBP
|
— |
| Earnings per share [text block] | — | — | — | — | — | — | — | — | — |
| Earnings per share [abstract] | |||||||||
| Earnings per share [line items] | |||||||||
| Basic earnings per share [abstract] | |||||||||
| Basic earnings (loss) per share | — |
0.1157
|
— | — |
0.1416
|
— | — |
0.1003
|
— |
| Diluted earnings per share [abstract] | |||||||||
| Diluted earnings (loss) per share | — |
0.1151
|
— | — |
0.1410
|
— | — |
0.0998
|
— |