Disclosure Of Fair Value Measurement [Text Block]
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| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | ||||||||||||||||||||||||||||||||||||||||
| Assets | — | — | — |
3 , 5 5 8 .1
GBP
|
— | — | — | — | — | — | — | — | — | — |
3 , 6 11 . 9
GBP
|
— | — | — | — | — | — | — | — |
4 , 4 41.9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | ||||||||||||||||||||||||||||||||||||||||
| Liabilities | — | — | — |
2 , 4 2 7. 6
GBP
|
— | — | — | — | — | — | — | — | — | — |
2 ,5 5 0 .7
GBP
|
— | — | — | — | — | — | — | — |
3 ,16 4 . 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | ||||||||||||||||||||||||||||||||||||||||
| Equity |
1, 0 0 8 . 7
GBP
|
142 .1
GBP
|
2 2 7. 1
GBP
|
1,13 0 . 5
GBP
|
1,10 8 . 9
GBP
|
14 6 . 7
GBP
|
2 1. 6
GBP
|
38,500,000
GBP
|
962 .8
GBP
|
19 . 3
GBP
|
1, 0 41. 9
GBP
|
3 9. 4
GBP
|
24 8. 2
GBP
|
14 6 . 7
GBP
|
1 , 0 61. 2
GBP
|
141. 2
GBP
|
1 , 2 5 7. 4
GBP
|
40,000,000
GBP
|
20,300,000
GBP
|
19 0 . 4
GBP
|
1, 2 7 8 . 3
GBP
|
20,300,000
GBP
|
14 6 . 7
GBP
|
1, 2 7 7. 7
GBP
|
1 ,1 2 0 . 5
GBP
|
19 0 . 4
GBP
|
14 0 . 6
GBP
|
2 0 .9
GBP
|
40,000,000
GBP
|
2 0.9
GBP
|
–
GBP
|
2 0 .9
GBP
|
–
GBP
|
–
GBP
|
14 0 . 6
GBP
|
–
GBP
|
–
GBP
|
1, 2 9 8 . 6
GBP
|
14 6 . 7
GBP
|
1,1 41 . 4
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |