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 | — | — | — | — | — | — | — | — | — |
25 ,76 1 . 4
GBP
|
— | — | — | — | — | — | — |
2 1 , 591 . 6
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 | — | — | — | — | — | — | — | — | — |
1 6 , 5 8 7. 6
GBP
|
— | — | — | — | — | — | — |
14 ,9 10. 5
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 |
49. 2
GBP
|
9, 1 33 . 2
GBP
|
536. 5
GBP
|
6,600,000
GBP
|
835. 1
GBP
|
7 7. 5
GBP
|
6 , 57 7. 3
GBP
|
8, 08 2.2
GBP
|
1 ,051 .0
GBP
|
9, 17 3 . 8
GBP
|
40 .6
GBP
|
49. 2
GBP
|
6,68 1 . 1
GBP
|
1 , 47 2 . 4
GBP
|
1 33.6
GBP
|
3 ,921 . 1
GBP
|
5, 208.7
GBP
|
6 ,681 . 1
GBP
|
524. 5
GBP
|
8 47. 1
GBP
|
–
GBP
|
400,000
GBP
|
1 , 169.7
GBP
|
111,100,000
GBP
|
3,750,400,000
GBP
|
4,92 0. 1
GBP
|
6,400,000
GBP
|
49. 2
GBP
|
875,600,000
GBP
|
523. 1
GBP
|
2 , 4 07. 2
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |