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 |
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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||||||||||
| Profit (loss) [abstract] | ||||||||||||||||||
| Revenue | — | — | — | — | — | — | — |
19, 52 1
GBP
|
— | — | — |
19 , 2 7 7
GBP
|
— | — | — | — | — | — |
| Other income | — | — | — | — | — | — | — |
472,000,000
GBP
|
— | — | — |
270,000,000
GBP
|
— | — | — | — | — | — |
| Profit (loss) from operating activities | — | — | — | — | — | — | — |
2,389,000,000
GBP
|
— | — | — |
1, 93 0
GBP
|
— | — | — | — | — | — |
| Finance income | — | — | — | — | — | — | — |
32,000,000
GBP
|
— | — | — |
17,000,000
GBP
|
— | — | — | — | — | — |
| Finance costs | — | — | — | — | — | — | — |
3 11
GBP
|
— | — | — |
3 51
GBP
|
— | — | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — | — | — | — | — |
13 9
GBP
|
— | — | — |
69,000,000
GBP
|
— | — | — | — | — | — |
| Profit (loss) before tax | — | — | — | — | — | — | — |
2 ,11 0
GBP
|
— | — | — |
1, 59 6
GBP
|
— | — | — | — | — | — |
| Tax expense (income) | — | — | — | — | — | — | — |
19 8
GBP
|
— | — | — |
2 25
GBP
|
— | — | — | — | — | — |
| Profit (loss) |
15 4
GBP
|
–
GBP
|
–
GBP
|
1 ,9 12
GBP
|
–
GBP
|
–
GBP
|
1, 75 8
GBP
|
1, 912
GBP
|
1, 7 5 8
GBP
|
1, 2 9 9
GBP
|
–
GBP
|
1, 3 71
GBP
|
72,000,000
GBP
|
–
GBP
|
–
GBP
|
1, 2 9 9
GBP
|
–
GBP
|
1, 3 71
GBP
|
| Profit (loss), attributable to [abstract] | ||||||||||||||||||
| Profit (loss), attributable to owners of parent | — | — | — | — | — | — | — |
1,75 8
GBP
|
— | — | — |
1, 2 9 9
GBP
|
— | — | — | — | — | — |
| Profit (loss), attributable to non-controlling interests | — | — | — | — | — | — | — |
15 4
GBP
|
— | — | — |
72,000,000
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 | — | — | — | — | — | — | — |
55. 2
|
— | — | — |
4 0 .7
|
— | — | — | — | — | — |
| Diluted earnings per share [abstract] | ||||||||||||||||||
| Diluted earnings (loss) per share | — | — | — | — | — | — | — |
5 4 .7
|
— | — | — |
40 .5
|
— | — | — | — | — | — |