Disclosure Of Entity's Operating Segments [Text Block]
| Concept |
2023-01-01 to 2023-12-31 |
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 |
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 |
As at 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 |
71,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
8,000,000
GBP
|
— | — | — | — | — | — | — | — |
| Tax expense (income) |
584,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,209,000,000
GBP
|
— | — | — | — | — | — | — | — |
| Profit (loss) before tax |
1,690,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
2,239,000,000
GBP
|
— | — | — | — | — | — | — | — |
| Profit (loss) |
1,106,000,000
GBP
|
—
GBP
|
— |
1,085,000,000
GBP
|
—
GBP
|
21,000,000
GBP
|
1,085,000,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
— |
—
GBP
|
—
GBP
|
1,030,000,000
GBP
|
1,051,000,000
GBP
|
21,000,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
1,051,000,000
GBP
|
— |
| Assets | — | — |
328,843,000,000
GBP
|
— | — | — | — | — | — | — | — |
309,583,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
351,924,000,000
GBP
|
| Liabilities | — | — |
319,243,000,000
GBP
|
— | — | — | — | — | — | — | — |
299,369,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
335,234,000,000
GBP
|
| Cash flows from (used in) operating activities |
2,732,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
15,883,000,000
GBP
|
— | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities |
350,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
339,000,000
GBP
|
— | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities |
1,820,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
5,939,000,000
GBP
|
— | — | — | — | — | — | — | — |