Statement Of Changes In Equity [Abstract]
| Concept |
2024-03-31 to 2025-03-29 |
2024-03-31 to 2025-03-29 |
2024-03-31 to 2025-03-29 |
2024-03-31 to 2025-03-29 |
2024-03-31 to 2025-03-29 |
2024-03-31 to 2025-03-29 |
2023-04-02 to 2024-03-30 |
2023-04-02 to 2024-03-30 |
2023-04-02 to 2024-03-30 |
2023-04-02 to 2024-03-30 |
2023-04-02 to 2024-03-30 |
2023-04-02 to 2024-03-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||
| Statement of changes in equity [line items] | ||||||||||||
| Decrease (increase) through tax on share-based payment transactions, equity |
800,000
GBP
|
–
GBP
|
–
GBP
|
800,000
GBP
|
–
GBP
|
–
GBP
|
1,600,000
GBP
|
–
GBP
|
–
GBP
|
1,600,000
GBP
|
–
GBP
|
–
GBP
|
| Purchase of treasury shares |
9,900,000
GBP
|
–
GBP
|
–
GBP
|
9,900,000
GBP
|
–
GBP
|
–
GBP
|
6,300,000
GBP
|
–
GBP
|
–
GBP
|
6,300,000
GBP
|
–
GBP
|
–
GBP
|