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 |
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 effect of changes in foreign exchange rates [text block] | — | — | — |
Exchange rate risk management
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reserve of exchange differences on translation |
638,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
76,000,000
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] | ||||||||||||||||||||||
| Non-current assets |
11,114,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
11,438,000,000
GBP
|
— | — | — | — | — | — |
| Current assets |
2,873,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,584,000,000
GBP
|
— | — | — | — | — | — |
| Non-current liabilities |
3,841,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,358,000,000
GBP
|
— | — | — | — | — | — |
| Current liabilities |
2,978,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,124,000,000
GBP
|
— | — | — | — | — | — |
| Revenue | — | — | — |
7,537,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
6,650,000,000
GBP
|
— |
| Profit (loss) from continuing operations | — | — | — |
223,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
480,000,000
GBP
|
— |
| Profit (loss) from discontinued operations | — | — | — |
80,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,317,000,000
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
|
| Other comprehensive income | — |
–
GBP
|
–
GBP
|
496,000,000
GBP
|
67,000,000
GBP
|
1,000,000
GBP
|
–
GBP
|
–
GBP
|
495,000,000
GBP
|
–
GBP
|
562,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
375,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
106,000,000
GBP
|
–
GBP
|
375,000,000
GBP
|
269,000,000
GBP
|
| Comprehensive income | — |
–
GBP
|
–
GBP
|
193,000,000
GBP
|
375,000,000
GBP
|
6,000,000
GBP
|
–
GBP
|
–
GBP
|
187,000,000
GBP
|
–
GBP
|
562,000,000
GBP
|
4,000,000
GBP
|
–
GBP
|
–
GBP
|
1,208,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
106,000,000
GBP
|
–
GBP
|
1,212,000,000
GBP
|
1,102,000,000
GBP
|