Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Property, plant and equipment |
22 .4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
14 . 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investment property |
4 0.3
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
69,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
19 4. 3
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
93 . 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
27 , 113 . 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
2 8 , 3 4 7. 9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Issued capital |
103 .9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
10 3. 9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
721 . 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
9 7 7. 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
9 4.7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
94,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares |
10 .2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
4 . 3
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
1 , 8 5 7. 9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
2 ,11 9 . 5
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
2 . 5
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
1. 9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
2,177,800,000
GBP
|
2,500,000
GBP
|
94,700,000
GBP
|
721 . 0
GBP
|
103,900,000
GBP
|
597,100,000
GBP
|
1 , 8 5 7. 9
GBP
|
10,200,000
GBP
|
3,000,000
GBP
|
348 .4
GBP
|
322,400,000
GBP
|
2,180,300,000
GBP
|
9 7 7. 0
GBP
|
2,440,000,000
GBP
|
348 .4
GBP
|
2,800,000
GBP
|
2,441,900,000
GBP
|
597,100,000
GBP
|
322,400,000
GBP
|
4,300,000
GBP
|
2, 119. 5
GBP
|
1,900,000
GBP
|
103,900,000
GBP
|
94,600,000
GBP
|
1,056,600,000
GBP
|
1,900,000
GBP
|
2 ,19 8. 3
GBP
|
103,800,000
GBP
|
597,100,000
GBP
|
94,500,000
GBP
|
2,492,300,000
GBP
|
2,490,400,000
GBP
|
5,400,000
GBP
|
3,300,000
GBP
|
348,400,000
GBP
|
294,000,000
GBP
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Deferred tax liabilities |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
5,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
24 ,935 . 8
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
2 5,90 7 .9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
27 ,11 3. 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
2 8 , 3 4 7. 9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |