Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|
| Statement of cash flows [abstract] | |||
| Cash flows from (used in) financing activities [abstract] | |||
| Dividends paid to equity holders of parent, classified as financing activities |
42 5
GBP
|
42 3
GBP
|
365,000,000
GBP
|
| Dividends paid to non-controlling interests, classified as financing activities |
67,000,000
GBP
|
10 1
GBP
|
70,000,000
GBP
|
| Proceeds from exercise of options |
2,000,000
GBP
|
1,000,000
GBP
|
1,000,000
GBP
|