Disclosure Of Effect Of Changes In Foreign Exchange Rates [Text Block]
| Concept |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] |
Exchange rate risk management
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reserve of exchange differences on translation | — |
273,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
638,000,000
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 | — |
5,611,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
11,114,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Current assets | — |
1,318,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
2,873,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — |
1,829,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
3,841,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities | — |
1,533,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
2,978,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Revenue |
3,350,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
2,954,000,000
GBP
|
— | — | — | — | — | — | — |
| Profit (loss) from continuing operations |
1,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
229,000,000
GBP
|
— | — | — | — | — | — | — |
| Profit (loss) from discontinued operations |
1,020,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
74,000,000
GBP
|
— | — | — | — | — | — | — |
| Profit (loss) |
1,019,000,000
GBP
|
— |
1,019,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1,019,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
303,000,000
GBP
|
308,000,000
GBP
|
5,000,000
GBP
|
–
GBP
|
–
GBP
|
308,000,000
GBP
|
–
GBP
|
–
GBP
|
| Other comprehensive income |
420,000,000
GBP
|
— |
420,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
55,000,000
GBP
|
–
GBP
|
365,000,000
GBP
|
–
GBP
|
–
GBP
|
— |
–
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
|
| Comprehensive income |
1,439,000,000
GBP
|
— |
1,439,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1,074,000,000
GBP
|
–
GBP
|
365,000,000
GBP
|
–
GBP
|
–
GBP
|
— |
–
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
|