Profit Or Loss [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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||||||||||||||
| Profit (loss) [abstract] | ||||||||||||||||||||||
| Revenue |
8,221,000,000
GBP
|
— |
–
GBP
|
8,221,000,000
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
7,241,000,000
GBP
|
— | — | — | — | — | — | — |
7, 241
GBP
|
| Profit (loss) from operating activities |
733,000,000
GBP
|
— |
15,000,000
GBP
|
748,000,000
GBP
|
— | — | — | — | — | — | — | — |
35,000,000
GBP
|
478,000,000
GBP
|
— | — | — | — | — | — | — |
443,000,000
GBP
|
| Finance income |
2,000,000
GBP
|
— |
–
GBP
|
2,000,000
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
1,000,000
GBP
|
— | — | — | — | — | — | — |
1,000,000
GBP
|
| Finance costs |
75,000,000
GBP
|
— |
–
GBP
|
75,000,000
GBP
|
— | — | — | — | — | — | — | — |
2,000,000
GBP
|
68,000,000
GBP
|
— | — | — | — | — | — | — |
70,000,000
GBP
|
| Share of profit (loss) of associates and joint ventures accounted for using equity method |
2,000,000
GBP
|
— |
–
GBP
|
2,000,000
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
7,000,000
GBP
|
— | — | — | — | — | — | — |
7,000,000
GBP
|
| Profit (loss) before tax |
661,000,000
GBP
|
— |
15,000,000
GBP
|
676,000,000
GBP
|
— | — | — | — | — | — | — | — |
37,000,000
GBP
|
415,000,000
GBP
|
— | — | — | — | — | — | — |
378,000,000
GBP
|
| Tax expense (income) |
169,000,000
GBP
|
— |
3,000,000
GBP
|
172,000,000
GBP
|
— | — | — | — | — | — | — | — |
2,000,000
GBP
|
100,000,000
GBP
|
— | — | — | — | — | — | — |
98,000,000
GBP
|
| Profit (loss) from continuing operations |
492,000,000
GBP
|
— |
12,000,000
GBP
|
504,000,000
GBP
|
— | — | — | — | — | — | — | — |
35,000,000
GBP
|
315,000,000
GBP
|
— | — | — | — | — | — | — |
280,000,000
GBP
|
| Profit (loss) from discontinued operations |
11,000,000
GBP
|
— |
11,000,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — |
–
GBP
|
| 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
|
| Profit (loss), attributable to [abstract] | ||||||||||||||||||||||
| Profit (loss), attributable to owners of parent |
502,000,000
GBP
|
— |
1,000,000
GBP
|
503,000,000
GBP
|
— | — | — | — | — | — | — | — |
35,000,000
GBP
|
315,000,000
GBP
|
— | — | — | — | — | — | — |
280,000,000
GBP
|
| Profit (loss), attributable to non-controlling interests |
1,000,000
GBP
|
— |
–
GBP
|
1,000,000
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — |
–
GBP
|
| Earnings per share [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Earnings per share [abstract] | ||||||||||||||||||||||
| Earnings per share [line items] | ||||||||||||||||||||||
| Basic earnings per share [abstract] | ||||||||||||||||||||||
| Basic earnings (loss) per share from continuing operations |
0.358
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0.204
|
| Basic earnings (loss) per share |
0.366
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0.204
|
| Diluted earnings per share [abstract] | ||||||||||||||||||||||
| Diluted earnings (loss) per share from continuing operations |
3 5.5
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0.203
|
| Diluted earnings (loss) per share |
0.363
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0.203
|