Disclosure Of Entity's Operating Segments [Text Block]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of entity's operating segments [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [text block] |
5. Segment information
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [abstract] | ||||||||||||||||||||||
| Disclosure of operating segments [line items] | ||||||||||||||||||||||
| Revenue |
3,350,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
2,954,000,000
GBP
|
— | — | — | — | — | — | — |
| Tax expense (income) |
9,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
99,000,000
GBP
|
— | — | — | — | — | — | — |
| Profit (loss) before tax |
8,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
328,000,000
GBP
|
— | — | — | — | — | — | — |
| Profit (loss) from continuing operations |
1,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
229,000,000
GBP
|
— | — | — | — | — | — | — |
| Profit (loss) |
1,019,000,000
GBP
|
— |
1,019,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1,019,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
303,000,000
GBP
|
308,000,000
GBP
|
5,000,000
GBP
|
–
GBP
|
–
GBP
|
308,000,000
GBP
|
–
GBP
|
–
GBP
|
| Assets | — |
6,929,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
13,987,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — |
114,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
62,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Liabilities | — |
3,362,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
6,819,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) operating activities |
29,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
204,000,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities |
721,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
192,000,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities |
966,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
599,000,000
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] |