Statement Of Cash Flows [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to non-controlling interests, classified as financing activities |
3 .8
GBP
|
3 .0
GBP
|
| Proceeds from contributions of non-controlling interests |
–
GBP
|
1. 2
GBP
|