Statement Of Changes In Equity [Abstract]
| Concept |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||
| Statement of changes in equity [line items] | ||||||||
| Purchase of treasury shares |
–
GBP
|
–
GBP
|
5 0. 5
GBP
|
–
GBP
|
50,000,000
GBP
|
–
GBP
|
–
GBP
|
0 .5
GBP
|
| Cancellation of treasury shares |
–
GBP
|
–
GBP
|
–
GBP
|
0. 4
GBP
|
50,000,000
GBP
|
400,000
GBP
|
–
GBP
|
50,000,000
GBP
|