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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 7, 7 7 2
GBP
|
— |
15 , 21 6
GBP
|
— | — | — | — | — | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — | — | — | — | — | — |
81,000,000
GBP
|
— |
5 5
GBP
|
— | — | — | — | — | — | — | — | — |
| Tax expense (income) | — | — | — | — | — | — | — | — |
615,000,000
GBP
|
— |
463,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Profit (loss) before tax | — | — | — | — | — | — | — | — |
707,000,000
GBP
|
— |
1,6 05
GBP
|
— | — | — | — | — | — | — | — | — |
| Profit (loss) |
9,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
83,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
92,000,000
GBP
|
83,000,000
GBP
|
1 ,1 4 2
GBP
|
–
GBP
|
1 ,1 3 8
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
4,000,000
GBP
|
–
GBP
|
1 ,1 3 8
GBP
|
| Assets | — | — | — | — | — |
2 1 9 ,1 3 4
GBP
|
— | — | — | — | — | — | — | — | — |
2 28 ,7 2 6
GBP
|
— | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — |
4 69
GBP
|
— | — | — | — | — | — | — | — | — |
4 56
GBP
|
— | — | — | — |
| Liabilities | — | — | — | — | — |
2 13 ,78 9
GBP
|
— | — | — | — | — | — | — | — | — |
2 2 3 ,1 41
GBP
|
— | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — | — |
1,308,000,000
GBP
|
— |
2 , 576
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — | — |
4 6 6
GBP
|
— |
9 5 7
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — | — |
6 8 7
GBP
|
— |
88 0
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] |