Statement Of Cash Flows [Abstract]
| Concept |
2022-04-03 to 2023-04-01 |
2021-04-28 to 2022-04-02 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for finance income (cost) |
23,000,000
GBP
|
32,000,000
GBP
|
| Adjustments for decrease (increase) in trade and other receivables |
17,000,000
GBP
|
5,000,000
GBP
|
| Adjustments for amortisation expense |
37,000,000
GBP
|
39,000,000
GBP
|
| Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss, property, plant and equipment |
2,000,000
GBP
|
1,000,000
GBP
|
| Adjustments for gains (losses) on change in fair value of derivatives |
2,000,000
GBP
|
4,000,000
GBP
|
| Adjustments for gain (loss) on disposals, property, plant and equipment |
19,000,000
GBP
|
3,000,000
GBP
|