Statement Of Changes In Equity [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 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
As at 2024-04-30 |
As at 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 |
2022-05-01 to 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
2022-05-01 to 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 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 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — | — | — | — | — |
3,949,000,000
GBP
|
— |
138,000,000
GBP
|
89,000,000
GBP
|
1,708,000,000
GBP
|
2,258,000,000
GBP
|
–
GBP
|
— | — |
57,000,000
GBP
|
3,949,000,000
GBP
|
— | — |
9,000,000
GBP
|
— | — |
2,251,000,000
GBP
|
4,087,000,000
GBP
|
— |
4,084,000,000
GBP
|
1,581,000,000
GBP
|
3,000,000
GBP
|
113,000,000
GBP
|
15,000,000
GBP
|
138,000,000
GBP
|
14,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
1,352,000,000
GBP
|
105,000,000
GBP
|
4,232,000,000
GBP
|
2,000,000
GBP
|
137,000,000
GBP
|
2,248,000,000
GBP
|
9,000,000
GBP
|
4,234,000,000
GBP
|
609,000,000
GBP
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [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
|
— | — | — | — | — | — | — |
504,000,000
GBP
|
1,000,000
GBP
|
–
GBP
|
502,000,000
GBP
|
502,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | — | — | — |
275,000,000
GBP
|
— | — | — | — | — | — |
370,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
170,000,000
GBP
|
–
GBP
|
110,000,000
GBP
|
104,000,000
GBP
|
–
GBP
|
— |
384,000,000
GBP
|
— | — | — | — | — |
–
GBP
|
110,000,000
GBP
|
— | — | — | — | — |
–
GBP
|
133,000,000
GBP
|
— | — |
–
GBP
|
— | — | — | — | — | — | — | — | — |
–
GBP
|
132,000,000
GBP
|
508,000,000
GBP
|
120,000,000
GBP
|
1,000,000
GBP
|
–
GBP
|
496,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Issue of equity |
–
GBP
|
–
GBP
|
7,000,000
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
— | — | — | — | — |
–
GBP
|
7,000,000
GBP
|
— | — | — | — | — |
7,000,000
GBP
|
4,000,000
GBP
|
— | — |
3,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
–
GBP
|
4,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
–
GBP
|
–
GBP
|
247,000,000
GBP
|
–
GBP
|
–
GBP
|
— |
247,000,000
GBP
|
— | — | — | — | — |
–
GBP
|
247,000,000
GBP
|
— | — | — | — | — |
–
GBP
|
289,000,000
GBP
|
— | — |
–
GBP
|
— | — | — | — | — | — | — | — | — |
–
GBP
|
289,000,000
GBP
|
289,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
–
GBP
|
3,000,000
GBP
|
245,000,000
GBP
|
–
GBP
|
5,000,000
GBP
|
— |
257,000,000
GBP
|
— | — | — | — | — |
–
GBP
|
248,000,000
GBP
|
— | — | — | — | — |
7,000,000
GBP
|
280,000,000
GBP
|
— | — |
3,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
5,000,000
GBP
|
280,000,000
GBP
|
279,000,000
GBP
|
–
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
–
GBP
|
–
GBP
|
4,000,000
GBP
|
–
GBP
|
–
GBP
|
— |
4,000,000
GBP
|
— | — | — | — | — |
–
GBP
|
4,000,000
GBP
|
— | — | — | — | — |
–
GBP
|
13,000,000
GBP
|
— | — |
–
GBP
|
— | — | — | — | — | — | — | — | — |
–
GBP
|
13,000,000
GBP
|
13,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — |