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 |
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 |
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 non-controlling interests |
—
GBP
|
—
GBP
|
—
GBP
|
0 .3
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
0. 3
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
400,000
GBP
|
—
GBP
|
—
GBP
|
400,000
GBP
|
—
GBP
|
—
GBP
|
| Decrease (increase) through tax on share-based payment transactions, equity |
—
GBP
|
1,300,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
0 .1
GBP
|
—
GBP
|
—
GBP
|
1,300,000
GBP
|
1. 4
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
2 .7
GBP
|
0 .9
GBP
|
—
GBP
|
1. 8
GBP
|
—
GBP
|
0 .9
GBP
|
—
GBP
|
| Purchase of treasury shares |
—
GBP
|
1 4 . 0
GBP
|
—
GBP
|
—
GBP
|
14 .0
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
14 . 0
GBP
|
—
GBP
|
—
GBP
|
2 8 .5
GBP
|
—
GBP
|
—
GBP
|
2 8 .5
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
2 8 .5
GBP
|
—
GBP
|
| Sale or issue of treasury shares |
0 .1
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
0 .1
GBP
|
—
GBP
|
— | — | — | — | — | — | — | — | — | — |