Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-09-16 |
As at 2022-09-17 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
5,766,000,000
GBP
|
5,599,000,000
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets and goodwill |
1,870,000,000
GBP
|
1,868,000,000
GBP
|
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | ||
| Investments in joint ventures reported in separate financial statements |
303,000,000
GBP
|
301,000,000
GBP
|
| Investments in associates reported in separate financial statements |
91,000,000
GBP
|
85,000,000
GBP
|
| Trade and other non-current receivables [abstract] | ||
| Other non-current receivables |
63,000,000
GBP
|
58,000,000
GBP
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current net defined benefit asset |
1,446,000,000
GBP
|
1,393,000,000
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
1,778,000,000
GBP
|
1,758,000,000
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
3,207,000,000
GBP
|
3,259,000,000
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
1,457,000,000
GBP
|
2,121,000,000
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 |
–
GBP
|
45,000,000
GBP
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
96,000,000
GBP
|
475,000,000
GBP
|
| Current investments |
–
GBP
|
4,000,000
GBP
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
394,000,000
GBP
|
480,000,000
GBP
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
168,000,000
GBP
|
157,000,000
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other current payables [abstract] | ||
| Trade and other current payables |
2,953,000,000
GBP
|
3,114,000,000
GBP
|
| Miscellaneous non-current liabilities [abstract] | ||
| Non-current net defined benefit liability |
69,000,000
GBP
|
79,000,000
GBP
|
| Miscellaneous current liabilities [abstract] | ||
| Current derivative financial liabilities |
69,000,000
GBP
|
205,000,000
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
44,000,000
GBP
|
45,000,000
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
10,910,000,000
GBP
|
10,649,000,000
GBP
|
| Accumulated other comprehensive income [abstract] | ||
| Reserve of exchange differences on translation |
42,000,000
GBP
|
422,000,000
GBP
|
| Reserve of cash flow hedges |
2,000,000
GBP
|
154,000,000
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
18,844,000,000
GBP
|
19,775,000,000
GBP
|
| Liabilities |
7,651,000,000
GBP
|
8,221,000,000
GBP
|
| Assets (liabilities) |
11,193,000,000
GBP
|
11,554,000,000
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
6,739,000,000
GBP
|
7,834,000,000
GBP
|
| Current liabilities |
3,689,000,000
GBP
|
4,053,000,000
GBP
|
| Assets less current liabilities [abstract] |