Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||||||||||
| Profit (loss) | — |
–
GBP
|
–
GBP
|
6 . 2
GBP
|
11. 2
GBP
|
5,000,000
GBP
|
–
GBP
|
–
GBP
|
11. 2
GBP
|
–
GBP
|
4 .9
GBP
|
–
GBP
|
–
GBP
|
117. 0
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
121,900,000
GBP
|
117. 0
GBP
|
| Cash flows from (used in) operations | — | — | — |
618 . 8
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
4 6 9. 2
GBP
|
— |
| Interest paid, classified as operating activities | — | — | — |
4 7. 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
4 0 . 6
GBP
|
— |
| Interest received, classified as operating activities | — | — | — |
17. 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
12 . 2
GBP
|
— |
| Income taxes paid (refund), classified as operating activities | — | — | — |
94 .9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
6 3 . 8
GBP
|
— |
| Cash flows from (used in) operating activities | — | — | — |
493,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
3 7 7. 0
GBP
|
— |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — |
17. 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
76 . 2
GBP
|
— |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — |
39 5. 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
20 .2
GBP
|
— |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — | — |
10 . 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
24,600,000
GBP
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — |
6 4 . 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
4 8.5
GBP
|
— |
| Purchase of intangible assets, classified as investing activities | — | — | — |
4 . 3
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
16 .1
GBP
|
— |
| Cash flows from (used in) investing activities | — | — | — |
4 75 . 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
13 . 2
GBP
|
— |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||||||||
| Proceeds from borrowings, classified as financing activities | — | — | — |
60 0.0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
GBP
|
— |
| Repayments of borrowings, classified as financing activities | — | — | — |
3,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
12 .7
GBP
|
— |
| Payments of lease liabilities, classified as financing activities | — | — | — |
6 4 .0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
5 9 . 3
GBP
|
— |
| Dividends paid, classified as financing activities | — | — | — |
88,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
5 2.2
GBP
|
— |
| Cash flows from (used in) financing activities | — | — | — |
366,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
212 . 7
GBP
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — |
38 4.6
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 7 7. 5
GBP
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — |
76 . 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
6 5 . 0
GBP
|
— |
| Cash and cash equivalents |
1, 0 6 4 . 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
596. 4
GBP
|
— | — | — | — | — |