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 |
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 | — | — | — | — |
3, 61 0. 5
GBP
|
— | — | — |
3 , 328. 3
GBP
|
— | — | — |
| Profit (loss) from operating activities | — | — | — | — |
96 0.5
GBP
|
— | — | — |
783,500,000
GBP
|
— | — | — |
| Finance income | — | — | — | — |
9,900,000
GBP
|
— | — | — |
8,900,000
GBP
|
— | — | — |
| Finance costs | — | — | — | — |
3,600,000
GBP
|
— | — | — |
8,600,000
GBP
|
— | — | — |
| Profit (loss) before tax | — | — | — | — |
966,800,000
GBP
|
— | — | — |
783,800,000
GBP
|
— | — | — |
| Tax expense (income) | — | — | — | — |
179,600,000
GBP
|
— | — | — |
145,400,000
GBP
|
— | — | — |
| Profit (loss) |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
7 8 7. 2
GBP
|
7 8 7. 2
GBP
|
638,400,000
GBP
|
–
GBP
|
638,400,000
GBP
|
–
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 | — | — | — | — |
2.468
|
— | — | — |
200 . 3
|
— | — | — |
| Diluted earnings per share [abstract] | ||||||||||||
| Diluted earnings (loss) per share | — | — | — | — |
2 45.6
|
— | — | — |
19 9.6
|
— | — | — |