Statement Of Changes In Equity [Abstract]
| Concept |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
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
|
43,063,000
GBP
|
–
GBP
|
–
GBP
|
43,063,000
GBP
|
–
GBP
|
20,223,000
GBP
|
–
GBP
|
20,223,000
GBP
|
–
GBP
|