Statement Of Changes In Equity [Abstract]
| Concept |
2022-06-27 to 2023-06-25 |
2022-06-27 to 2023-06-25 |
2022-06-27 to 2023-06-25 |
2022-06-27 to 2023-06-25 |
2022-06-27 to 2023-06-25 |
2022-06-27 to 2023-06-25 |
2022-06-27 to 2023-06-25 |
2022-06-27 to 2023-06-25 |
2022-06-27 to 2023-06-25 |
2021-06-28 to 2022-06-26 |
2021-06-28 to 2022-06-26 |
2021-06-28 to 2022-06-26 |
2021-06-28 to 2022-06-26 |
2021-06-28 to 2022-06-26 |
2021-06-28 to 2022-06-26 |
2021-06-28 to 2022-06-26 |
2021-06-28 to 2022-06-26 |
2021-06-28 to 2022-06-26 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||
| Purchase of treasury shares |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
30,900,000
GBP
|
–
GBP
|
30,900,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
4,400,000
GBP
|
–
GBP
|
4,400,000
GBP
|
–
GBP
|
| Sale or issue of treasury shares | — | — | — | — | — | — | — | — | — |
–
GBP
|
200,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
200,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
| Cancellation of treasury shares |
1,800,000
GBP
|
–
GBP
|
–
GBP
|
25,700,000
GBP
|
–
GBP
|
–
GBP
|
25,700,000
GBP
|
1,800,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — |