Disclosure Of Entity's Operating Segments [Text Block]
| Concept |
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 |
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 |
2021-01-01 to 2021-12-31 |
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 |
2020-01-01 to 2020-12-31 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — | — | — | — | — |
134,800,000
GBP
|
— |
145,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Tax expense (income) | — | — | — | — | — | — | — | — | — | — | — |
1,300,000
GBP
|
— |
500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Profit (loss) before tax | — | — | — | — | — | — | — | — | — | — | — |
408,000,000
GBP
|
— |
1,736,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Profit (loss) from continuing operations | — | — | — | — | — | — | — | — | — | — | — |
409,300,000
GBP
|
— |
1,736,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Profit (loss) |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
429,100,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
429,100,000
GBP
|
429,100,000
GBP
|
1,734,900,000
GBP
|
–
GBP
|
–
GBP
|
1,7 34.8
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
100,000
GBP
|
–
GBP
|
1,734,800,000
GBP
|
–
GBP
|
| Assets | — | — | — | — | — | — |
4,913,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
5,90 6.3
GBP
|
— | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — |
2,167,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
2,697,400,000
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — | — | — | — | — |
70,300,000
GBP
|
— |
82,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — | — | — | — | — |
336,300,000
GBP
|
— |
253,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — | — | — | — | — |
363,700,000
GBP
|
— |
207,500,000
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] |