Analysis Of Income And Expense [Abstract]
| Concept |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||
| Revenue [abstract] | ||||||||||||
| Revenue |
3,406,600,000
GBP
|
— | — | — | — | — |
3,536,800,000
GBP
|
— | — | — | — | — |
| Expenses by nature [abstract] | ||||||||||||
| Other expenses, by nature |
30,300,000
GBP
|
— | — | — | — | — |
25,100,000
GBP
|
— | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||
| Share of profit (loss) of joint ventures accounted for using equity method |
1,400,000
GBP
|
— | — | — | — | — |
9,300,000
GBP
|
— | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income |
361,500,000
GBP
|
–
GBP
|
–
GBP
|
361,500,000
GBP
|
–
GBP
|
–
GBP
|
239,600,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
239,600,000
GBP
|