Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — |
75,000,000
GBP
|
60,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — |
209,400,000
GBP
|
211,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — |
7,787,000,000
GBP
|
6,629,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — | — |
3,810,900,000
GBP
|
3,140,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — | — |
92,700,000
GBP
|
58,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — |
85,700,000
GBP
|
17,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — | — |
12,355,700,000
GBP
|
10,468,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||
| Current inventories | — | — | — | — | — | — | — |
43,000,000
GBP
|
36,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — | — | — | — | — | — | — |
717,000,000
GBP
|
546,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — |
484,300,000
GBP
|
389,300,000
GBP
|
— | — | — | — | — | — | — |
2,125,800,000
GBP
|
— | — | — | — | — | — | — |
| Current assets | — | — | — | — | — | — | — |
1,335,000,000
GBP
|
1,055,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — |
13,690,700,000
GBP
|
11,524,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — |
1,300,000
GBP
|
1,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — | — |
2,460,500,000
GBP
|
2,853,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — | — |
1,878,600,000
GBP
|
1,878,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — | — |
2,226,900,000
GBP
|
2,090,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
6,485,200,000
GBP
|
6,748,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — |
834,300,000
GBP
|
436,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
2,460,500,000
GBP
|
1,878,600,000
GBP
|
1,300,000
GBP
|
834,300,000
GBP
|
82,100,000
GBP
|
6,485,200,000
GBP
|
2,226,900,000
GBP
|
7,319,500,000
GBP
|
7,184,600,000
GBP
|
2,853,500,000
GBP
|
2,090,600,000
GBP
|
436,100,000
GBP
|
1,878,600,000
GBP
|
1,400,000
GBP
|
75,600,000
GBP
|
6,748,500,000
GBP
|
7,466,300,000
GBP
|
1,928,200,000
GBP
|
314,200,000
GBP
|
1,878,600,000
GBP
|
3,168,400,000
GBP
|
1,400,000
GBP
|
175,500,000
GBP
|
7,152,100,000
GBP
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||
| Non-current provisions | — | — | — | — | — | — | — |
15,300,000
GBP
|
33,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current payables | — | — | — | — | — | — | — |
5,400,000
GBP
|
24,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — | — |
593,400,000
GBP
|
540,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — |
3,309,900,000
GBP
|
2,550,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||
| Current provisions | — | — | — | — | — | — | — |
26,800,000
GBP
|
38,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — | — | — | — | — |
687,900,000
GBP
|
635,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — |
3,061,300,000
GBP
|
1,789,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — |
6,371,200,000
GBP
|
4,339,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |