Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
3, 235
GBP
|
— | — | — | — | — | — | — | — |
2, 852
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
1, 4 2 5
GBP
|
— | — | — | — | — | — | — | — |
1, 0 91
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Investment property |
63,000,000
GBP
|
— | — | — | — | — | — | — | — |
67,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
787,000,000
GBP
|
— | — | — | — | — | — | — | — |
55 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax assets |
133,000,000
GBP
|
— | — | — | — | — | — | — | — |
71,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
338,000,000
GBP
|
— | — | — | — | — | — | — | — |
622,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
3 ,1 0 7
GBP
|
— | — | — | — | — | — | — | — |
2 , 9 17
GBP
|
— | — | — | — | — | — | — | — | — | — |
2,6 67
GBP
|
| Assets |
31, 4 62
GBP
|
— | — | — | — | — | — | — | — |
2 7, 13 5
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
82,000,000
GBP
|
— | — | — | — | — | — | — | — |
85,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
2, 930
GBP
|
— | — | — | — | — | — | — | — |
212,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Share premium |
1,252,000,000
GBP
|
— | — | — | — | — | — | — | — |
1, 25 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
6 , 9 51
GBP
|
— | — | — | — | — | — | — | — |
5,8 87
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
11 , 21 5
GBP
|
— | — | — | — | — | — | — | — |
7, 43 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
185,000,000
GBP
|
— | — | — | — | — | — | — | — |
232,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
1 1 ,400
GBP
|
6, 9 51
GBP
|
185,000,000
GBP
|
1,252,000,000
GBP
|
2 ,930
GBP
|
82,000,000
GBP
|
11 , 2 1 5
GBP
|
212,000,000
GBP
|
5,8 87
GBP
|
7, 6 6 8
GBP
|
7, 43 6
GBP
|
1, 25 2
GBP
|
232,000,000
GBP
|
85,000,000
GBP
|
2 ,6 1 6
GBP
|
278,000,000
GBP
|
4,6 43
GBP
|
87,000,000
GBP
|
5,92 3
GBP
|
1, 24 9
GBP
|
4 , 921
GBP
|
| Liabilities [abstract] | |||||||||||||||||||||
| Current tax liabilities |
1 0 3
GBP
|
— | — | — | — | — | — | — | — |
27,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
5,000,000
GBP
|
— | — | — | — | — | — | — | — |
77,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
20,062,000,000
GBP
|
— | — | — | — | — | — | — | — |
19 , 4 6 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — |