Disclosure Of Entity's Operating Segments [Text Block]
| Concept |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
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 |
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 | — | — | — | — | — | — | — |
4,686,000,000
GBP
|
— | — | — | — |
3 , 4 61
GBP
|
— | — | — | — | — |
| Profit (loss) before tax | — | — | — | — | — | — | — |
85,000,000
GBP
|
— | — | — | — |
9,000,000
GBP
|
— | — | — | — | — |
| Profit (loss) from continuing operations | — | — | — | — | — | — | — |
23,000,000
GBP
|
— | — | — | — |
13,000,000
GBP
|
— | — | — | — | — |
| Profit (loss) | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
15 4
GBP
|
15 4
GBP
|
88,000,000
GBP
|
— |
–
GBP
|
88,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
| Assets |
5 0 ,74 0
GBP
|
— | — | — | — | — | — | — | — | — |
6 7, 3 7 2
GBP
|
— | — | — | — | — | — | — |
| Liabilities |
49, 0 01
GBP
|
— | — | — | — | — | — | — | — | — |
6 5,494
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — |
3,0 93
GBP
|
— | — | — | — |
1, 4 4 5
GBP
|
— | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — |
2,6 41
GBP
|
— | — | — | — |
1, 4 74
GBP
|
— | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — |
307,000,000
GBP
|
— | — | — | — |
305,000,000
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] |