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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 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] | ||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — |
2,000,000
GBP
|
— | — | — | — | — |
146,000,000
GBP
|
— |
| Tax expense (income) | — | — |
1,240,000,000
GBP
|
— | — | — | — | — |
465,000,000
GBP
|
— |
| Profit (loss) before tax | — | — |
2,379,000,000
GBP
|
— | — | — | — | — |
801,000,000
GBP
|
— |
| Profit (loss) from continuing operations | — | — |
1,139,000,000
GBP
|
— | — | — | — | — |
336,000,000
GBP
|
— |
| Profit (loss) | — |
1,160,000,000
GBP
|
1,139,000,000
GBP
|
1,160,000,000
GBP
|
21,000,000
GBP
|
70,000,000
GBP
|
— |
1,966,000,000
GBP
|
2,036,000,000
GBP
|
1,966,000,000
GBP
|
| Assets |
315,316,000,000
GBP
|
— | — | — | — | — |
358,474,000,000
GBP
|
— | — | — |
| Liabilities |
302,421,000,000
GBP
|
— | — | — | — | — |
339,020,000,000
GBP
|
— | — | — |
| Cash flows from (used in) operating activities | — | — |
15,883,000,000
GBP
|
— | — | — | — | — |
2,858,000,000
GBP
|
— |
| Cash flows from (used in) investing activities | — | — |
339,000,000
GBP
|
— | — | — | — | — |
74,000,000
GBP
|
— |
| Cash flows from (used in) financing activities | — | — |
5,939,000,000
GBP
|
— | — | — | — | — |
4,402,000,000
GBP
|
— |