Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
2022-05-01 to 2023-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
2021-05-01 to 2022-04-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||||||
| Profit (loss) |
5 03
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
|
–
GBP
|
35,000,000
GBP
|
315,000,000
GBP
|
–
GBP
|
280,000,000
GBP
|
280,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
280,000,000
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||||||||
| Other comprehensive income |
370,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
5 89
GBP
|
| Comprehensive income |
133,000,000
GBP
|
–
GBP
|
— | — |
–
GBP
|
13 2
GBP
|
508,000,000
GBP
|
120,000,000
GBP
|
1,000,000
GBP
|
–
GBP
|
4 96
GBP
|
–
GBP
|
— | — |
–
GBP
|
334,000,000
GBP
|
869,000,000
GBP
|
–
GBP
|
–
GBP
|
14,000,000
GBP
|
549,000,000
GBP
|
869,000,000
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent |
132,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
869,000,000
GBP
|
| Comprehensive income, attributable to non-controlling interests |
1,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
GBP
|