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] | ||
| Proceeds from sales of investments accounted for using equity method |
–
GBP
|
3,000,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to equity holders of parent, classified as financing activities |
72,000,000
GBP
|
81,000,000
GBP
|
| Payments for debt issue costs |
3,000,000
GBP
|
11,000,000
GBP
|