Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-01-31 |
As at 2021-01-31 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
3,078,000,000
GBP
|
3,075,000,000
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets other than goodwill [abstract] | ||
| Intangible assets other than goodwill |
330,000,000
GBP
|
320,000,000
GBP
|
| Goodwill |
2,424,000,000
GBP
|
2,427,000,000
GBP
|
| Investment property [abstract] | ||
| Investment property |
33,000,000
GBP
|
20,000,000
GBP
|
| Investments accounted for using equity method [abstract] | ||
| Investments accounted for using equity method |
17,000,000
GBP
|
20,000,000
GBP
|
| Trade and other non-current receivables [abstract] | ||
| Non-current receivables from taxes other than income tax |
64,000,000
GBP
|
57,000,000
GBP
|
| Other non-current receivables |
22,000,000
GBP
|
29,000,000
GBP
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current net defined benefit asset |
540,000,000
GBP
|
504,000,000
GBP
|
| Non-current derivative financial assets |
1,000,000
GBP
|
–
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
300,000,000
GBP
|
290,000,000
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
2,749,000,000
GBP
|
2,488,000,000
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
823,000,000
GBP
|
1,142,000,000
GBP
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | ||
| Non-current assets or disposal groups classified as held for sale |
6,000,000
GBP
|
12,000,000
GBP
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
37,000,000
GBP
|
5,000,000
GBP
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
2,000,000
GBP
|
2,000,000
GBP
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
14,000,000
GBP
|
101,000,000
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other non-current payables [abstract] | ||
| Other non-current payables |
10,000,000
GBP
|
11,000,000
GBP
|
| Trade and other current payables [abstract] | ||
| Current payables on social security and taxes other than income tax |
–
GBP
|
57,000,000
GBP
|
| Trade and other current payables |
2,674,000,000
GBP
|
2,520,000,000
GBP
|
| Miscellaneous non-current liabilities [abstract] | ||
| Non-current net defined benefit liability |
130,000,000
GBP
|
145,000,000
GBP
|
| Non-current derivative financial liabilities |
1,000,000
GBP
|
1,000,000
GBP
|
| Miscellaneous current liabilities [abstract] | ||
| Current derivative financial liabilities |
12,000,000
GBP
|
59,000,000
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
325,000,000
GBP
|
332,000,000
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
4,025,000,000
GBP
|
3,630,000,000
GBP
|
| Miscellaneous equity [abstract] | ||
| Capital redemption reserve |
50,000,000
GBP
|
43,000,000
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
12,352,000,000
GBP
|
12,269,000,000
GBP
|
| Liabilities |
5,574,000,000
GBP
|
5,698,000,000
GBP
|
| Assets (liabilities) |
6,778,000,000
GBP
|
6,571,000,000
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
3,948,000,000
GBP
|
3,957,000,000
GBP
|
| Current liabilities |
3,116,000,000
GBP
|
3,183,000,000
GBP
|
| Assets less current liabilities [abstract] |