Statement Of Financial Position [Abstract]
| Concept |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2021-05-01 |
As at 2021-05-01 |
As at 2021-05-01 |
As at 2021-05-01 |
As at 2021-05-01 |
As at 2020-05-02 |
As at 2020-05-02 |
As at 2020-05-02 |
As at 2020-05-02 |
As at 2020-05-02 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Property, plant and equipment | — | — |
162,000,000
GBP
|
— | — | — | — | — |
184,000,000
GBP
|
— | — | — | — | — | — |
| Right-of-use assets | — | — |
1 ,0 07
GBP
|
— | — | — | — | — |
1 , 0 51
GBP
|
— | — | — | — | — | — |
| Goodwill | — | — |
2 , 814
GBP
|
— | — | — | — | — |
2 , 8 51
GBP
|
— | — | — | — | — | — |
| Intangible assets other than goodwill | — | — |
385,000,000
GBP
|
— | — | — | — | — |
4 26
GBP
|
— | — | — | — | — | — |
| Trade and other non-current receivables | — | — |
123,000,000
GBP
|
— | — | — | — | — |
138,000,000
GBP
|
— | — | — | — | — | — |
| Deferred tax assets | — | — |
20 6
GBP
|
— | — | — | — | — |
26 2
GBP
|
— | — | — | — | — | — |
| Non-current assets | — | — |
4 , 70 0
GBP
|
— | — | — | — | — |
4 ,9 1 5
GBP
|
— | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Current inventories | — | — |
1 , 28 6
GBP
|
— | — | — | — | — |
1 ,1 78
GBP
|
— | — | — | — | — | — |
| Trade and other current receivables | — | — |
696,000,000
GBP
|
— | — | — | — | — |
5 87
GBP
|
— | — | — | — | — | — |
| Cash and cash equivalents | — | — |
1 26
GBP
|
— | — | — | — | — |
175,000,000
GBP
|
— | — | — | — | — | — |
| Current assets | — | — |
2 ,1 37
GBP
|
— | — | — | — | — |
1 ,9 6 5
GBP
|
— | — | — | — | — | — |
| Assets | — | — |
6,837,000,000
GBP
|
— | — | — | — | — |
6 ,880
GBP
|
— | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital | — | — |
1,000,000
GBP
|
— | — | — | — | — |
1,000,000
GBP
|
— | — | — | — | — | — |
| Retained earnings | — | — |
1,0 06
GBP
|
— | — | — | — | — |
8 81
GBP
|
— | — | — | — | — | — |
| Share premium | — | — |
2 , 263
GBP
|
— | — | — | — | — |
2, 26 3
GBP
|
— | — | — | — | — | — |
| Other reserves | — | — |
7 99
GBP
|
— | — | — | — | — |
76 4
GBP
|
— | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
2 , 47 1
GBP
|
— | — | — | — | — |
2, 3 81
GBP
|
— | — | — | — | — | — |
| Equity |
1,000,000
GBP
|
1 ,0 06
GBP
|
2 , 47 1
GBP
|
79 9
GBP
|
2 , 26 3
GBP
|
2 , 26 3
GBP
|
1,000,000
GBP
|
76 4
GBP
|
2 , 3 81
GBP
|
881,000,000
GBP
|
2 , 26 3
GBP
|
7 75
GBP
|
1,000,000
GBP
|
791,000,000
GBP
|
2 , 280
GBP
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||
| Non-current provisions | — | — |
1 1
GBP
|
— | — | — | — | — |
2 7
GBP
|
— | — | — | — | — | — |
| Trade and other non-current payables | — | — |
9 6
GBP
|
— | — | — | — | — |
97,000,000
GBP
|
— | — | — | — | — | — |
| Deferred tax liabilities | — | — |
1 63
GBP
|
— | — | — | — | — |
16 2
GBP
|
— | — | — | — | — | — |
| Non-current liabilities | — | — |
1 , 6 6 4
GBP
|
— | — | — | — | — |
1 , 878
GBP
|
— | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Current provisions [abstract] | |||||||||||||||
| Current provisions | — | — |
4 8
GBP
|
— | — | — | — | — |
5 8
GBP
|
— | — | — | — | — | — |
| Trade and other current payables | — | — |
2, 368
GBP
|
— | — | — | — | — |
2 , 23 3
GBP
|
— | — | — | — | — | — |
| Current liabilities | — | — |
2,702,000,000
GBP
|
— | — | — | — | — |
2 , 62 1
GBP
|
— | — | — | — | — | — |
| Liabilities | — | — |
4 ,366
GBP
|
— | — | — | — | — |
4,499,000,000
GBP
|
— | — | — | — | — | — |