Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-04-02 |
As at 2021-03-27 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
322,000,000
GBP
|
2 80
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets and goodwill |
240,000,000
GBP
|
237,000,000
GBP
|
| Investment property [abstract] | ||
| Investment property |
–
GBP
|
3,000,000
GBP
|
| Trade and other non-current receivables [abstract] | ||
| Trade and other non-current receivables |
45,000,000
GBP
|
45,000,000
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
283,000,000
GBP
|
2 77
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
426,000,000
GBP
|
402,000,000
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
1,222,000,000
GBP
|
1,261,000,000
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 or as held for distribution to owners |
13,000,000
GBP
|
–
GBP
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
5,000,000
GBP
|
2,000,000
GBP
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
298,000,000
GBP
|
297,000,000
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other non-current payables [abstract] | ||
| Trade and other non-current payables |
91,000,000
GBP
|
99,000,000
GBP
|
| Trade and other current payables [abstract] | ||
| Trade and other current payables |
481,000,000
GBP
|
3 93
GBP
|
| Miscellaneous non-current liabilities [abstract] | ||
| Non-current net defined benefit liability |
1,000,000
GBP
|
1,000,000
GBP
|
| Miscellaneous current liabilities [abstract] | ||
| Current derivative financial liabilities |
2,000,000
GBP
|
2,000,000
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
–
GBP
|
–
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
1,123,000,000
GBP
|
1,092,000,000
GBP
|
| Accumulated other comprehensive income [abstract] | ||
| Reserve of exchange differences on translation |
218,000,000
GBP
|
196,000,000
GBP
|
| Miscellaneous equity [abstract] | ||
| Capital reserve |
41,000,000
GBP
|
41,000,000
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
3,697,000,000
GBP
|
3,502,000,000
GBP
|
| Liabilities |
2,080,000,000
GBP
|
1,942,000,000
GBP
|
| Assets (liabilities) |
1,617,000,000
GBP
|
1,560,000,000
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
2,035,000,000
GBP
|
1,982,000,000
GBP
|
| Current liabilities |
804,000,000
GBP
|
702,000,000
GBP
|
| Assets less current liabilities [abstract] |