Statement Of Cash Flows [Abstract]
| Concept |
2022-10-01 to 2023-09-30 |
2021-10-01 to 2022-09-30 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) investing activities [abstract] | ||
| Proceeds from disposals of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets |
–
GBP
|
10,000,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to equity holders of parent, classified as financing activities |
190,000,000
GBP
|
183,000,000
GBP
|
| Proceeds from sale or issue of treasury shares |
11,000,000
GBP
|
7,000,000
GBP
|
| Payments for debt issue costs |
3,000,000
GBP
|
1,000,000
GBP
|