Analysis Of Income And Expense [Abstract]
| Concept |
2021-05-02 to 2022-04-30 |
2021-05-02 to 2022-04-30 |
2021-05-02 to 2022-04-30 |
2021-05-02 to 2022-04-30 |
2021-05-02 to 2022-04-30 |
2020-05-03 to 2021-05-01 |
2020-05-03 to 2021-05-01 |
2020-05-03 to 2021-05-01 |
2020-05-03 to 2021-05-01 |
2020-05-03 to 2021-05-01 |
|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||
| Revenue [abstract] | ||||||||||
| Revenue | — | — | — |
1 0 ,14 4
GBP
|
— | — | — | — |
1 0, 34 4
GBP
|
— |
| Material income and expense [abstract] | ||||||||||
| Finance income (cost) | — | — | — |
96,000,000
GBP
|
— | — | — | — |
1 14
GBP
|
— |
| Miscellaneous other comprehensive income [abstract] | ||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations | — | — | — |
32,000,000
GBP
|
— | — | — | — |
46,000,000
GBP
|
— |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income |
–
GBP
|
4 6
GBP
|
–
GBP
|
158,000,000
GBP
|
20 4
GBP
|
–
GBP
|
–
GBP
|
14,000,000
GBP
|
69,000,000
GBP
|
55,000,000
GBP
|