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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment |
73 6 .8
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
5 48.0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
4 19. 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
2 61. 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
22. 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
4 .9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables |
53. 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
4 5.4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
8 0. 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
67. 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
2 , 610 . 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
1, 4 6 4 . 3
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||
| Current inventories |
2 , 375 . 8
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
1,1 3 4 . 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables |
816 . 8
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
324,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1, 0 6 4 . 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
596. 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets |
4,353,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
2 ,093.8
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
6 ,9 6 3 . 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
3 , 5 5 8 .1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Issued capital |
3 7. 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
3 8.5
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
8 20 . 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
1, 0 0 8 .7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
14 6 . 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
14 6 . 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
6 9. 3
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
2 2 7. 1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
1, 5 3 2 . 8
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
1 ,1 0 8 . 9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
34 . 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
21. 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
1 , 5 6 7. 0
GBP
|
6 9. 3
GBP
|
34,200,000
GBP
|
14 6 . 7
GBP
|
14 3 . 0
GBP
|
820 .4
GBP
|
3 7. 6
GBP
|
315 . 8
GBP
|
1, 5 3 2 . 8
GBP
|
1, 0 0 8 .7
GBP
|
14 2 .1
GBP
|
2 2 7.1
GBP
|
1,13 0 . 5
GBP
|
–
GBP
|
1,1 0 8 .9
GBP
|
14 6 . 7
GBP
|
21. 6
GBP
|
38,500,000
GBP
|
96 2.8
GBP
|
19. 3
GBP
|
1, 0 41.9
GBP
|
3 9. 4
GBP
|
–
GBP
|
24 8.2
GBP
|
14 6 . 7
GBP
|
1, 0 61. 2
GBP
|
141. 2
GBP
|
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||||||||
| Non-current provisions |
4 6 . 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
23,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current payables |
6 0 . 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
6 3 . 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
2 5 5. 3
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
6 8 .1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
1 , 6 8 6 .1
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
6 8 5 . 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||||||||
| Current provisions |
5 6 . 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
3 4 .9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables |
2 ,898. 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
1, 5 4 8 . 3
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
3 , 710 . 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
1, 74 2 . 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
5, 3 9 6. 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
2 , 4 2 7. 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |