Disclosure Of Effect Of Changes In Foreign Exchange Rates [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 |
2022-01-01 to 2022-12-31 |
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 |
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] | — |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Foreign exchange gain (loss) [abstract] | ||||||||||||||||||||||||
| Foreign exchange gain (loss) | — |
73,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
201,000,000
GBP
|
— |
| Reserve of exchange differences on translation |
511,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
314,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| 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 | — |
1,139,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
336,000,000
GBP
|
— |
| Profit (loss) from discontinued operations | — |
—
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,700,000,000
GBP
|
— |
| Profit (loss) | — |
1,139,000,000
GBP
|
1,160,000,000
GBP
|
21,000,000
GBP
|
— | — | — | — | — |
1,160,000,000
GBP
|
— | — |
70,000,000
GBP
|
1,966,000,000
GBP
|
— | — | — | — | — | — | — | — |
2,036,000,000
GBP
|
1,966,000,000
GBP
|
| Other comprehensive income | — |
1,017,000,000
GBP
|
— | — |
—
GBP
|
1,017,000,000
GBP
|
76,000,000
GBP
|
8,000,000
GBP
|
197,000,000
GBP
|
— |
1,130,000,000
GBP
|
1,009,000,000
GBP
|
— | — | — |
241,000,000
GBP
|
377,000,000
GBP
|
23,000,000
GBP
|
100,000,000
GBP
|
33,000,000
GBP
|
344,000,000
GBP
|
221,000,000
GBP
|
136,000,000
GBP
|
— |
| Comprehensive income | — |
2,156,000,000
GBP
|
— | — |
—
GBP
|
2,156,000,000
GBP
|
76,000,000
GBP
|
13,000,000
GBP
|
197,000,000
GBP
|
— |
2,290,000,000
GBP
|
2,169,000,000
GBP
|
— | — | — |
1,459,000,000
GBP
|
1,659,000,000
GBP
|
23,000,000
GBP
|
1,866,000,000
GBP
|
37,000,000
GBP
|
1,622,000,000
GBP
|
221,000,000
GBP
|
200,000,000
GBP
|
— |