Statement Of Cash Flows [Abstract]
| Concept |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
As at 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2022-05-01 to 2023-04-30 |
As at 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||||||||||||||
| Profit (loss) |
–
GBP
|
–
GBP
|
385,000,000
GBP
|
–
GBP
|
–
GBP
|
— |
385,000,000
GBP
|
–
GBP
|
385,000,000
GBP
|
2,000,000
GBP
|
383,000,000
GBP
|
–
GBP
|
503,000,000
GBP
|
— |
–
GBP
|
1,000,000
GBP
|
504,000,000
GBP
|
–
GBP
|
502,000,000
GBP
|
502,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
–
GBP
|
| Cash flows from (used in) operations | — | — | — | — | — | — | — | — |
555,000,000
GBP
|
— | — | — |
1,078,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Interest paid, classified as operating activities | — | — | — | — | — | — | — | — |
80,000,000
GBP
|
— | — | — |
78,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Interest received, classified as operating activities | — | — | — | — | — | — | — | — |
14,000,000
GBP
|
— | — | — |
2,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — | — | — | — | — | — |
169,000,000
GBP
|
— | — | — |
136,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — | — |
320,000,000
GBP
|
— | — | — |
866,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — | — | — |
5,000,000
GBP
|
— | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — | — | — |
113,000,000
GBP
|
— | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Other inflows (outflows) of cash, classified as investing activities | — | — | — | — | — | — | — | — |
–
GBP
|
— | — | — |
2,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — | — |
614,000,000
GBP
|
— | — | — |
526,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||||||||||||
| Proceeds from issuing shares | — | — | — | — | — | — | — | — |
7,000,000
GBP
|
— | — | — |
4,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — | — | — |
1,284,000,000
GBP
|
— | — | — |
332,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — | — | — | — | — | — |
61 6
GBP
|
— | — | — |
679,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — | — | — |
72,000,000
GBP
|
— | — | — |
106,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Dividends paid, classified as financing activities | — | — | — | — | — | — | — | — |
247,000,000
GBP
|
— | — | — |
289,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Other inflows (outflows) of cash, classified as financing activities | — | — | — | — | — | — | — | — |
2,000,000
GBP
|
— | — | — |
4,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — | — |
352,000,000
GBP
|
— | — | — |
728,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — | — | — |
58,000,000
GBP
|
— | — | — |
388,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — | — | — | — | — |
16,000,000
GBP
|
— | — | — |
10,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — |
499,000,000
GBP
|
— | — | — | — | — | — | — |
472,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |