Analysis Of Income And Expense [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||||||||
| Revenue | — | — | — | — | — | — | — |
1 4 , 741
GBP
|
14 ,84 5
GBP
|
— | — | — | — | — | — | — | — | — | — |
1 4, 429
GBP
|
— | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||||||||||
| Selling, general and administrative expense [abstract] | ||||||||||||||||||||||||
| General and administrative expense | — | — | — | — | — | — | — |
1 ,12 6
GBP
|
1,9 8 8
GBP
|
— | — | — | — | — | — | — | — | — | — |
1 ,18 1
GBP
|
— | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||||||||||
| Share of profit (loss) of associates accounted for using equity method | — | — | — | — | — | — | — |
36,000,000
GBP
|
70,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
60,000,000
GBP
|
— | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax [abstract] | ||||||||||||||||||||||||
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax | — | — | — | — | — | — | — |
–
GBP
|
1,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
51,000,000
GBP
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||||||||
| Comprehensive income |
–
GBP
|
58,000,000
GBP
|
482,000,000
GBP
|
–
GBP
|
–
GBP
|
5 40
GBP
|
85,000,000
GBP
|
567,000,000
GBP
|
13 2
GBP
|
–
GBP
|
196,000,000
GBP
|
296,000,000
GBP
|
64,000,000
GBP
|
100,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
299,000,000
GBP
|
1,096,000,000
GBP
|
689,000,000
GBP
|
108,000,000
GBP
|
98 8
GBP
|
–
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — |
482,000,000
GBP
|
19 6
GBP
|
— | — | — | — | — | — | — | — | — | — |
98 8
GBP
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — |
85,000,000
GBP
|
64,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
108,000,000
GBP
|
— | — | — | — |