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 |
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 |
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] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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) |
–
GBP
|
12,000,000
GBP
|
–
GBP
|
11,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
–
GBP
|
558,000,000
GBP
|
546,000,000
GBP
|
–
GBP
|
–
GBP
|
1,000,000
GBP
|
11,000,000
GBP
|
558,000,000
GBP
|
–
GBP
|
| Other comprehensive income |
–
GBP
|
215,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
170,000,000
GBP
|
–
GBP
|
215,000,000
GBP
|
45,000,000
GBP
|
–
GBP
|
809,000,000
GBP
|
809,000,000
GBP
|
41,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
850,000,000
GBP
|
–
GBP
|
| Comprehensive income |
–
GBP
|
203,000,000
GBP
|
–
GBP
|
11,000,000
GBP
|
–
GBP
|
169,000,000
GBP
|
–
GBP
|
214,000,000
GBP
|
45,000,000
GBP
|
–
GBP
|
1,367,000,000
GBP
|
1,355,000,000
GBP
|
41,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
11,000,000
GBP
|
1,408,000,000
GBP
|
–
GBP
|