Disclosure Of Effect Of Changes In Foreign Exchange Rates [Text Block]
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when currency is not exchangeable into another currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when foreign operation’s functional currency is not exchangeable into presentation currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [abstract] | ||||||||||||||||||
| Disclosure of summarised financial information about foreign operation [line items] | ||||||||||||||||||
| Revenue | — | — | — | — | — | — | — |
1,550 .0
GBP
|
— | — | — |
1,3 05.3
GBP
|
— | — | — | — | — | — |
| Profit (loss) from continuing operations | — | — | — | — | — | — | — |
583,300,000
GBP
|
— | — | — |
502,000,000
GBP
|
— | — | — | — | — | — |
| Profit (loss) from discontinued operations | — | — | — | — | — | — | — |
41 3 . 4
GBP
|
— | — | — |
25,800,000
GBP
|
— | — | — | — | — | — |
| Profit (loss) |
1 . 2
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
9 97. 9
GBP
|
9 9 6 .7
GBP
|
9 97. 9
GBP
|
528. 8
GBP
|
–
GBP
|
5 27. 8
GBP
|
–
GBP
|
1 .0
GBP
|
–
GBP
|
–
GBP
|
528. 8
GBP
|
–
GBP
|
| Other comprehensive income | — | — | — | — | — | — | — |
52 .5
GBP
|
— | — | — |
39,900,000
GBP
|
— | — | — | — | — | — |
| Comprehensive income |
1 . 5
GBP
|
–
GBP
|
6,600,000
GBP
|
4 8 .7
GBP
|
–
GBP
|
1 0 . 1
GBP
|
9 45 .7
GBP
|
94 4.2
GBP
|
9 97. 9
GBP
|
528,800,000
GBP
|
–
GBP
|
5 6 7.7
GBP
|
3,400,000
GBP
|
0 . 9
GBP
|
–
GBP
|
2 .4
GBP
|
568,600,000
GBP
|
38. 8
GBP
|