Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-01-31 |
As at 2023-01-31 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
3,206,000,000
GBP
|
3,205,000,000
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets other than goodwill [abstract] | ||
| Intangible assets other than goodwill |
368,000,000
GBP
|
371,000,000
GBP
|
| Goodwill |
2,398,000,000
GBP
|
2,408,000,000
GBP
|
| Investment property [abstract] | ||
| Investment property |
27,000,000
GBP
|
30,000,000
GBP
|
| Investments accounted for using equity method [abstract] | ||
| Investments accounted for using equity method |
19,000,000
GBP
|
30,000,000
GBP
|
| Trade and other non-current receivables [abstract] | ||
| Non-current receivables from taxes other than income tax |
68,000,000
GBP
|
64,000,000
GBP
|
| Other non-current receivables |
15,000,000
GBP
|
19,000,000
GBP
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current net defined benefit asset |
212,000,000
GBP
|
251,000,000
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
344,000,000
GBP
|
347,000,000
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
2,914,000,000
GBP
|
3,070,000,000
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
360,000,000
GBP
|
286,000,000
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 |
3,000,000
GBP
|
3,000,000
GBP
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
2,000,000
GBP
|
16,000,000
GBP
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
102,000,000
GBP
|
1 02
GBP
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
7,000,000
GBP
|
16,000,000
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other non-current payables [abstract] | ||
| Other non-current payables |
3,000,000
GBP
|
4,000,000
GBP
|
| Trade and other current payables [abstract] | ||
| Trade and other current payables |
2,445,000,000
GBP
|
2,48 3
GBP
|
| Miscellaneous non-current liabilities [abstract] | ||
| Non-current net defined benefit liability |
113,000,000
GBP
|
114,000,000
GBP
|
| Non-current derivative financial liabilities |
1,000,000
GBP
|
5,000,000
GBP
|
| Miscellaneous current liabilities [abstract] | ||
| Current derivative financial liabilities |
23,000,000
GBP
|
47,000,000
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
294,000,000
GBP
|
305,000,000
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
3,7 41
GBP
|
3,796,000,000
GBP
|
| Miscellaneous equity [abstract] | ||
| Capital redemption reserve |
82,000,000
GBP
|
71,000,000
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
1 1,90 0
GBP
|
12,103,000,000
GBP
|
| Liabilities |
5,296,000,000
GBP
|
5,44 0
GBP
|
| Assets (liabilities) |
6,604,000,000
GBP
|
6,663,000,000
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
3,696,000,000
GBP
|
3 ,762
GBP
|
| Current liabilities |
2,862,000,000
GBP
|
2,899,000,000
GBP
|
| Assets less current liabilities [abstract] |