Statement Of Cash Flows [Abstract]
| Concept |
2022-05-01 to 2023-04-30 |
2021-05-01 to 2022-04-30 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) investing activities [abstract] | ||
| Dividends received from joint ventures, classified as investing activities |
7 4.9
GBP
|
–
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to equity holders of parent, classified as financing activities |
98,500,000
GBP
|
451,500,000
GBP
|