Statement Of Changes In Equity [Abstract]
| Concept |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||
| Dividends recognised as distributions to owners of parent |
–
GBP
|
118,400,000
GBP
|
–
GBP
|
118,400,000
GBP
|
–
GBP
|
–
GBP
|
118,400,000
GBP
|
–
GBP
|
118,500,000
GBP
|
118,500,000
GBP
|
118,500,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
| Dividends recognised as distributions to non-controlling interests |
–
GBP
|
–
GBP
|
–
GBP
|
3,300,000
GBP
|
–
GBP
|
3,300,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
3,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
3,000,000
GBP
|
–
GBP
|
–
GBP
|
| Increase (decrease) through transactions with owners, equity |
–
GBP
|
108,900,000
GBP
|
–
GBP
|
119,000,000
GBP
|
–
GBP
|
10,100,000
GBP
|
108,900,000
GBP
|
–
GBP
|
128,500,000
GBP
|
132,000,000
GBP
|
128,500,000
GBP
|
–
GBP
|
–
GBP
|
3,500,000
GBP
|
–
GBP
|
–
GBP
|
| Purchase of treasury shares |
–
GBP
|
15,600,000
GBP
|
–
GBP
|
15,600,000
GBP
|
–
GBP
|
–
GBP
|
15,600,000
GBP
|
–
GBP
|
34,500,000
GBP
|
34. 5
GBP
|
34,500,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|