Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
137,200,000
GBP
|
120,900,000
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets and goodwill |
3,093,900,000
GBP
|
2,766,800,000
GBP
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current net defined benefit asset |
60,500,000
GBP
|
63,600,000
GBP
|
| Non-current derivative financial assets |
–
GBP
|
6,900,000
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
1,557,400,000
GBP
|
1,431,000,000
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
1,748,600,000
GBP
|
1,474,000,000
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
1,504,000,000
GBP
|
776 .9
GBP
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
19,000,000
GBP
|
14,900,000
GBP
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
1,574,000,000
GBP
|
1,433,700,000
GBP
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
161,000,000
GBP
|
111 .9
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other non-current payables [abstract] | ||
| Other non-current payables |
117,200,000
GBP
|
72,900,000
GBP
|
| Trade and other current payables [abstract] | ||
| Trade and other current payables |
2,249,400,000
GBP
|
1,921,300,000
GBP
|
| Miscellaneous non-current liabilities [abstract] | ||
| Non-current net defined benefit liability |
20,600,000
GBP
|
32,400,000
GBP
|
| Non-current derivative financial liabilities |
100,500,000
GBP
|
27,900,000
GBP
|
| Miscellaneous current liabilities [abstract] | ||
| Current derivative financial liabilities |
18,300,000
GBP
|
10,400,000
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
108,500,000
GBP
|
108 .4
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
2,469,500,000
GBP
|
2,151,500,000
GBP
|
| Accumulated other comprehensive income [abstract] | ||
| Reserve of exchange differences on translation |
74,200,000
GBP
|
269,200,000
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
8,666,800,000
GBP
|
7,114,100,000
GBP
|
| Liabilities |
5,945,900,000
GBP
|
4,910,200,000
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
4,841,600,000
GBP
|
3,704,800,000
GBP
|
| Current liabilities |
3,465,300,000
GBP
|
2,774,900,000
GBP
|
| Assets less current liabilities [abstract] |