Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments to reconcile profit (loss) other than changes in working capital |
10,000,000
GBP
|
7 9. 2
GBP
|
| Increase (decrease) in working capital |
79 9.0
GBP
|
1 , 5 3 7. 2
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||
| Purchase of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets |
6 .8
GBP
|
7. 5
GBP
|
| Proceeds from disposals of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets |
2 .0
GBP
|
–
GBP
|
| Purchase of investments other than investments accounted for using equity method |
468. 2
GBP
|
190,900,000
GBP
|
| Proceeds from sales of investments other than investments accounted for using equity method |
5 4 7. 7
GBP
|
4 0 7. 3
GBP
|
| Proceeds from sales or maturity of financial instruments, classified as investing activities |
4,000,000
GBP
|
5 3 9.9
GBP
|