Disclosure Of Effect Of Changes In Foreign Exchange Rates [Text Block]
| Concept |
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 |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when currency is not exchangeable into another currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when foreign operation’s functional currency is not exchangeable into presentation currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [abstract] | |||||||||||||||||
| Disclosure of summarised financial information about foreign operation [line items] | |||||||||||||||||
| Profit (loss) from continuing operations |
1,541,000,000
GBP
|
— | — | — | — | — | — |
1,394,000,000
GBP
|
— | — | — | — | — | — | — |
1,353,000,000
GBP
|
— |
| Profit (loss) from discontinued operations |
—
GBP
|
— | — | — | — | — | — |
—
GBP
|
— | — | — | — | — | — | — |
31,000,000
GBP
|
— |
| Profit (loss) |
1,541,000,000
GBP
|
— |
1,541,000,000
GBP
|
1,541,000,000
GBP
|
— | — |
1,394,000,000
GBP
|
1,394,000,000
GBP
|
— |
1,394,000,000
GBP
|
—
GBP
|
19,000,000
GBP
|
— | — |
1,365,000,000
GBP
|
1,384,000,000
GBP
|
1,365,000,000
GBP
|
| Other comprehensive income |
327,000,000
GBP
|
780,000,000
GBP
|
442,000,000
GBP
|
327,000,000
GBP
|
11,000,000
GBP
|
1,235,000,000
GBP
|
1,690,000,000
GBP
|
1,690,000,000
GBP
|
20,000,000
GBP
|
435,000,000
GBP
|
— | — |
374,000,000
GBP
|
3,000,000
GBP
|
468,000,000
GBP
|
468,000,000
GBP
|
845,000,000
GBP
|
| Comprehensive income |
1,868,000,000
GBP
|
780,000,000
GBP
|
1,099,000,000
GBP
|
1,868,000,000
GBP
|
11,000,000
GBP
|
1,235,000,000
GBP
|
296,000,000
GBP
|
296,000,000
GBP
|
20,000,000
GBP
|
959,000,000
GBP
|
—
GBP
|
19,000,000
GBP
|
374,000,000
GBP
|
3,000,000
GBP
|
1,833,000,000
GBP
|
1,852,000,000
GBP
|
2,210,000,000
GBP
|