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 |
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 |
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 2019-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 2 , 8 01 .1
GBP
|
— |
12,002,800,000
GBP
|
— | — | — | — | — | — | — | — | — |
13 , 2 3 4 .1
GBP
|
| Tax expense (income) | — | — | — | — | — | — | — |
2 3 0.1
GBP
|
— |
1 2 7. 1
GBP
|
— | — | — | — | — | — | — | — | — |
2 8 7. 2
GBP
|
| Profit (loss) before tax | — | — | — | — | — | — | — |
950. 8
GBP
|
— |
2 , 79 0 . 6
GBP
|
— | — | — | — | — | — | — | — | — |
1,214 .3
GBP
|
| Profit (loss) from continuing operations | — | — | — | — | — | — | — |
720,700,000
GBP
|
— |
2 , 9 1 7. 7
GBP
|
— | — | — | — | — | — | — | — | — |
9 2 7. 1
GBP
|
| Profit (loss) |
8 3 .0
GBP
|
−
GBP
|
−
GBP
|
6 3 7. 7
GBP
|
— |
−
GBP
|
−
GBP
|
720. 7
GBP
|
6 3 7. 7
GBP
|
2,901,300,000
GBP
|
−
GBP
|
2,9 65.1
GBP
|
−
GBP
|
— |
−
GBP
|
63. 8
GBP
|
−
GBP
|
2, 965.1
GBP
|
— |
9 3 7. 9
GBP
|
| Investments accounted for using equity method | — | — | — | — |
41 2 .9
GBP
|
— | — | — | — | — | — | — | — |
3 30. 7
GBP
|
— | — | — | — |
813 .0
GBP
|
— |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — |
2 ,032 . 8
GBP
|
— |
2,05 4 .8
GBP
|
— | — | — | — | — | — | — | — | — |
1,8 50. 5
GBP
|
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — |
64 2 . 2
GBP
|
— |
1 6 7. 6
GBP
|
— | — | — | — | — | — | — | — | — |
1,759 .6
GBP
|
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — |
2 , 0 5 7. 0
GBP
|
— |
250. 5
GBP
|
— | — | — | — | — | — | — | — | — |
2, 922.0
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] |