Statement Of Changes In Equity [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 |
|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||
| Statement of changes in equity [line items] | |||||
| Cancellation of treasury shares |
–
GBP
|
32,000,000
GBP
|
–
GBP
|
–
GBP
|
32,000,000
GBP
|