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 |
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 |
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] | — | — | — |
5
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [abstract] | ||||||||||||||||||||||
| Disclosure of operating segments [line items] | ||||||||||||||||||||||
| Revenue | — | — | — |
7,537,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
6,650,000,000
GBP
|
— |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — |
49,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
38,000,000
GBP
|
— |
| Tax expense (income) | — | — | — |
84,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
180,000,000
GBP
|
— |
| Profit (loss) before tax | — | — | — |
307,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
660,000,000
GBP
|
— |
| Profit (loss) from continuing operations | — | — | — |
223,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
480,000,000
GBP
|
— |
| Profit (loss) | — |
–
GBP
|
–
GBP
|
303,000,000
GBP
|
308,000,000
GBP
|
5,000,000
GBP
|
–
GBP
|
–
GBP
|
308,000,000
GBP
|
–
GBP
|
–
GBP
|
4,000,000
GBP
|
–
GBP
|
–
GBP
|
833,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
837,000,000
GBP
|
833,000,000
GBP
|
| Assets |
13,987,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
14,022,000,000
GBP
|
— | — | — | — | — | — |
| Investments accounted for using equity method |
62,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
87,000,000
GBP
|
— | — | — | — | — | — |
| Liabilities |
6,819,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
6,482,000,000
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — |
204,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
263,000,000
GBP
|
— |
| Cash flows from (used in) investing activities | — | — | — |
192,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,511,000,000
GBP
|
— |
| Cash flows from (used in) financing activities | — | — | — |
599,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,466,000,000
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] |