Disclosure Of Entity's Operating Segments [Text Block]
| Concept |
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 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of entity's operating segments [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [abstract] | |||||||||||||
| Disclosure of operating segments [line items] | |||||||||||||
| Revenue | — | — | — | — |
3,212,800,000
GBP
|
— | — | — | — |
3,034,000,000
GBP
|
— | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — | — |
5,400,000
GBP
|
— | — | — | — |
2,300,000
GBP
|
— | — | — |
| Tax expense (income) | — | — | — | — |
28,300,000
GBP
|
— | — | — | — |
15,400,000
GBP
|
— | — | — |
| Profit (loss) before tax | — | — | — | — |
126,200,000
GBP
|
— | — | — | — |
60,800,000
GBP
|
— | — | — |
| Profit (loss) | — |
–
GBP
|
–
GBP
|
–
GBP
|
97,900,000
GBP
|
97,900,000
GBP
|
45,400,000
GBP
|
— |
–
GBP
|
45,400,000
GBP
|
–
GBP
|
–
GBP
|
— |
| Assets |
1,707,600,000
GBP
|
— | — | — | — | — | — |
1,488,600,000
GBP
|
— | — | — | — |
1,454,000,000
GBP
|
| Liabilities |
1,233,400,000
GBP
|
— | — | — | — | — | — |
1,068,500,000
GBP
|
— | — | — | — |
1,067,100,000
GBP
|
| Cash flows from (used in) operating activities | — | — | — | — |
110,500,000
GBP
|
— | — | — | — |
177,700,000
GBP
|
— | — | — |
| Cash flows from (used in) investing activities | — | — | — | — |
4,500,000
GBP
|
— | — | — | — |
7,400,000
GBP
|
— | — | — |
| Cash flows from (used in) financing activities | — | — | — | — |
80,800,000
GBP
|
— | — | — | — |
29,800,000
GBP
|
— | — | — |
| Disclosure of products and services [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of products and services [abstract] | |||||||||||||
| Disclosure of products and services [line items] | |||||||||||||
| Disclosure of geographical areas [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of geographical areas [abstract] | |||||||||||||
| Disclosure of geographical areas [line items] | |||||||||||||
| Disclosure of major customers [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of major customers [abstract] | |||||||||||||
| Disclosure of major customers [line items] |