Statement Of Changes In Equity [Abstract]
| Concept |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||
| Increase (decrease) through transactions with owners, equity |
48,300,000
GBP
|
–
GBP
|
–
GBP
|
48,200,000
GBP
|
100,000
GBP
|
–
GBP
|
–
GBP
|
100,000
GBP
|
–
GBP
|
200,000
GBP
|
–
GBP
|
50,900,000
GBP
|
51,200,000
GBP
|
–
GBP
|
| Purchase of treasury shares |
100,000
GBP
|
–
GBP
|
–
GBP
|
100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
7,900,000
GBP
|
7,900,000
GBP
|
–
GBP
|