Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) investing activities [abstract] | ||
| Cash advances and loans made to related parties |
–
GBP
|
13,000,000
GBP
|
| Cash receipts from repayment of advances and loans made to related parties |
23,000,000
GBP
|
3,000,000
GBP
|
| Purchase of investments other than investments accounted for using equity method |
11,000,000
GBP
|
19,000,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to equity holders of parent, classified as financing activities |
198,000,000
GBP
|
201,000,000
GBP
|
| Dividends paid to non-controlling interests, classified as financing activities |
9,000,000
GBP
|
1,000,000
GBP
|