Profit Or Loss [Abstract]
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||||||||||
| Profit (loss) [abstract] | ||||||||||||||||||
| Cost of sales | — |
76,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
82,000,000
GBP
|
— | — | — | — | — | — |
| Finance costs | — |
25,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
29,000,000
GBP
|
— | — | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — |
1,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
5,000,000
GBP
|
— | — | — | — | — | — |
| Profit (loss) before tax | — |
6,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
612,000,000
GBP
|
— | — | — | — | — | — |
| Tax expense (income) | — |
18,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
66,000,000
GBP
|
— | — | — | — | — | — |
| 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
|
558,000,000
GBP
|
11,000,000
GBP
|
–
GBP
|
| Profit (loss), attributable to [abstract] | ||||||||||||||||||
| Profit (loss), attributable to owners of parent | — |
1,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
558,000,000
GBP
|
— | — | — | — | — | — |
| Profit (loss), attributable to non-controlling interests | — |
–
GBP
|
— | — | — | — | — | — | — | — | — |
1,000,000
GBP
|
— | — | — | — | — | — |
| Earnings per share [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Earnings per share [abstract] | ||||||||||||||||||
| Earnings per share [line items] | ||||||||||||||||||
| Basic earnings per share [abstract] | ||||||||||||||||||
| Basic earnings (loss) per share | — |
0.001
|
— | — | — | — | — | — | — | — | — |
26 .6
|
— | — | — | — | — | — |
| Diluted earnings per share [abstract] | ||||||||||||||||||
| Diluted earnings (loss) per share | — |
0.001
|
— | — | — | — | — | — | — | — | — |
0.266
|
— | — | — | — | — | — |