Profit Or Loss [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
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] | ||||||||||||||||
| Revenue | — | — | — | — | — | — |
4,686,000,000
GBP
|
— | — | — |
3 , 4 61
GBP
|
— | — | — | — | — |
| Other income | — | — | — | — | — | — |
18,000,000
GBP
|
— | — | — |
20,000,000
GBP
|
— | — | — | — | — |
| Finance costs | — | — | — | — | — | — |
14,000,000
GBP
|
— | — | — |
16,000,000
GBP
|
— | — | — | — | — |
| Profit (loss) before tax | — | — | — | — | — | — |
85,000,000
GBP
|
— | — | — |
9,000,000
GBP
|
— | — | — | — | — |
| Profit (loss) from continuing operations | — | — | — | — | — | — |
23,000,000
GBP
|
— | — | — |
13,000,000
GBP
|
— | — | — | — | — |
| Profit (loss) from discontinued operations | — | — | — | — | — | — |
131,000,000
GBP
|
— | — | — |
75,000,000
GBP
|
— | — | — | — | — |
| Profit (loss) |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
15 4
GBP
|
15 4
GBP
|
88,000,000
GBP
|
–
GBP
|
88,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
| Profit (loss), attributable to [abstract] | ||||||||||||||||
| Profit (loss), attributable to owners of parent | — | — | — | — | — | — |
15 4
GBP
|
— | — | — |
88,000,000
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 from continuing operations | — | — | — | — | — | — |
1. 4
|
— | — | — |
0.008
|
— | — | — | — | — |
| Basic earnings (loss) per share from discontinued operations | — | — | — | — | — | — |
0.080
|
— | — | — |
0.042
|
— | — | — | — | — |
| Basic earnings (loss) per share | — | — | — | — | — | — |
9. 4
|
— | — | — |
0.050
|
— | — | — | — | — |
| Diluted earnings per share [abstract] | ||||||||||||||||
| Diluted earnings (loss) per share from continuing operations | — | — | — | — | — | — |
1. 4
|
— | — | — |
0.008
|
— | — | — | — | — |
| Diluted earnings (loss) per share from discontinued operations | — | — | — | — | — | — |
7. 8
|
— | — | — |
4 .1
|
— | — | — | — | — |
| Diluted earnings (loss) per share | — | — | — | — | — | — |
9. 2
|
— | — | — |
0.049
|
— | — | — | — | — |