Disclosure Of Entity's Operating Segments [Text Block]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — |
21, 25 8
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
19, 5 21
GBP
|
— |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — |
18 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
13 9
GBP
|
— |
| Tax expense (income) | — | — | — |
3 15
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
19 8
GBP
|
— |
| Profit (loss) before tax | — | — | — |
1,9 8 9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 ,11 0
GBP
|
— |
| Profit (loss) | — |
–
GBP
|
–
GBP
|
1, 6 74
GBP
|
1, 5 91
GBP
|
83,000,000
GBP
|
–
GBP
|
1, 674
GBP
|
1, 5 91
GBP
|
–
GBP
|
15 4
GBP
|
–
GBP
|
1, 7 5 8
GBP
|
— |
–
GBP
|
–
GBP
|
1, 9 12
GBP
|
–
GBP
|
1, 9 12
GBP
|
1, 75 8
GBP
|
| Assets |
31, 4 62
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
2 7, 13 5
GBP
|
— | — | — | — | — | — |
| Investments accounted for using equity method |
787,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
55 4
GBP
|
— | — | — | — | — | — |
| Liabilities |
20,062,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
19 , 4 6 7
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — |
2, 839
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2 ,4 47
GBP
|
— |
| Cash flows from (used in) investing activities | — | — | — |
4 22
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
66,000,000
GBP
|
— |
| Cash flows from (used in) financing activities | — | — | — |
2, 333
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2, 256
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] |