Analysis Of Income And Expense [Abstract]
| Concept |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2020-07-01 to 2021-06-30 |
2020-07-01 to 2021-06-30 |
2020-07-01 to 2021-06-30 |
2020-07-01 to 2021-06-30 |
2020-07-01 to 2021-06-30 |
2020-07-01 to 2021-06-30 |
2020-07-01 to 2021-06-30 |
2020-07-01 to 2021-06-30 |
2020-07-01 to 2021-06-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||
| Revenue | — | — |
5,267,900,000
GBP
|
— | — | — | — | — | — | — | — |
4,811,700,000
GBP
|
— | — | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||||
| Finance income (cost) | — | — |
27,600,000
GBP
|
— | — | — | — | — | — | — | — |
26,600,000
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 | — | — |
23,300,000
GBP
|
— | — | — | — | — | — | — | — |
27,700,000
GBP
|
— | — | — | — | — | — |
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — | — |
–
GBP
|
— | — | — | — | — | — |
–
GBP
|
–
GBP
|
400,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
400,000
GBP
|
400,000
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income |
515,100,000
GBP
|
–
GBP
|
515,200,000
GBP
|
–
GBP
|
–
GBP
|
100,000
GBP
|
–
GBP
|
515,100,000
GBP
|
–
GBP
|
300,000
GBP
|
–
GBP
|
658,300,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
658,000,000
GBP
|
658,000,000
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
515,100,000
GBP
|
— | — | — | — | — | — | — | — |
658,000,000
GBP
|
— | — | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — |
100,000
GBP
|
— | — | — | — | — | — | — | — |
300,000
GBP
|
— | — | — | — | — | — |