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 |
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 |
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 | — | — | — | — | — | — | — | — |
19, 52 1
GBP
|
— |
19 , 2 7 7
GBP
|
— | — | — | — | — | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — | — | — | — | — | — |
13 9
GBP
|
— |
69,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Tax expense (income) | — | — | — | — | — | — | — | — |
19 8
GBP
|
— |
2 25
GBP
|
— | — | — | — | — | — | — | — | — |
| Profit (loss) before tax | — | — | — | — | — | — | — | — |
2 ,11 0
GBP
|
— |
1, 59 6
GBP
|
— | — | — | — | — | — | — | — | — |
| Profit (loss) |
15 4
GBP
|
–
GBP
|
1, 75 8
GBP
|
— |
–
GBP
|
–
GBP
|
1 ,9 12
GBP
|
–
GBP
|
1, 912
GBP
|
1, 7 5 8
GBP
|
1, 3 71
GBP
|
1, 2 9 9
GBP
|
–
GBP
|
— |
–
GBP
|
72,000,000
GBP
|
–
GBP
|
1, 2 9 9
GBP
|
–
GBP
|
1, 3 71
GBP
|
| Assets | — | — | — |
2 7,1 3 5
GBP
|
— | — | — | — | — | — | — | — | — |
2 7, 5 3 0
GBP
|
— | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — |
554,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
409,000,000
GBP
|
— | — | — | — | — | — |
| Liabilities | — | — | — |
19,4 67
GBP
|
— | — | — | — | — | — | — | — | — |
22 ,609
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — | — |
2 , 4 47
GBP
|
— |
1 ,1 6 6
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — | — |
66,000,000
GBP
|
— |
2,03 7
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — | — |
2, 256
GBP
|
— |
973,000,000
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] |