Statement Of Cash Flows [Abstract]
| Concept |
2023-08-01 to 2024-07-31 |
2022-08-01 to 2023-07-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) investing activities [abstract] | ||
| Proceeds from sales of investments accounted for using equity method |
200,000
GBP
|
—
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Proceeds from issue of bonds, notes and debentures |
—
GBP
|
248,500,000
GBP
|
| Repayments of bonds, notes and debentures |
—
GBP
|
250,000,000
GBP
|