Disclosure Of Entity's Operating Segments [Text Block]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of entity's operating segments [text block] |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [abstract] | ||||||||||||||||||||
| Disclosure of operating segments [line items] | ||||||||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method |
1,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
5,000,000
GBP
|
— | — | — | — | — | — | — |
| Tax expense (income) |
18,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
66,000,000
GBP
|
— | — | — | — | — | — | — |
| Profit (loss) before tax |
6,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
612,000,000
GBP
|
— | — | — | — | — | — | — |
| Profit (loss) |
12,000,000
GBP
|
–
GBP
|
11,000,000
GBP
|
— |
–
GBP
|
1,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
546,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
11,000,000
GBP
|
558,000,000
GBP
|
–
GBP
|
558,000,000
GBP
|
–
GBP
|
| Assets | — | — | — |
8,031,000,000
GBP
|
— | — | — | — | — | — |
9,212,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — |
229,000,000
GBP
|
— | — | — | — | — | — |
232,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
2,941,000,000
GBP
|
— | — | — | — | — | — |
3,370,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) operating activities |
221,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
110,000,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities |
542,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
86,000,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities |
711,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
761,000,000
GBP
|
— | — | — | — | — | — | — |
| Disclosure of geographical areas [text block] |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |