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 |
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 |
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 |
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 | — | — | — | — | — | — | — | — | — | — | — |
1,8 6 5
GBP
|
— |
1 , 794
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — | — | — | — | — | — | — | — | — |
7,000,000
GBP
|
— |
16,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Tax expense (income) | — | — | — | — | — | — | — | — | — | — | — |
23,000,000
GBP
|
— |
4 8
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Profit (loss) before tax | — | — | — | — | — | — | — | — | — | — | — |
24,000,000
GBP
|
— |
129,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Profit (loss) |
3,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
5,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
8,000,000
GBP
|
5,000,000
GBP
|
97,000,000
GBP
|
–
GBP
|
–
GBP
|
96,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
1,000,000
GBP
|
–
GBP
|
96,000,000
GBP
|
— |
| Assets | — | — | — | — | — | — | — | — |
5,450,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
4,6 3 9
GBP
|
— | — | — | — |
3 ,9 5 4
GBP
|
| Liabilities | — | — | — | — | — | — | — | — |
3,472,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
2, 941
GBP
|
— | — | — | — |
2,224,000,000
GBP
|
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — | — | — | — | — |
111,000,000
GBP
|
— |
14 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — | — | — | — | — |
289,000,000
GBP
|
— |
53,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — | — | — | — | — |
296,000,000
GBP
|
— |
105,000,000
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] |