Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
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As at 2020-12-31 |
As at 2020-12-31 |
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As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
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As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
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As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — |
5 0 ,74 0
GBP
|
— | — | — | — | — | — | — | — | — | — |
6 7, 3 7 2
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 | — | — | — |
49, 0 01
GBP
|
— | — | — | — | — | — | — | — | — | — |
6 5,494
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 |
1,4 8 2
GBP
|
17,000,000
GBP
|
1,000,000
GBP
|
1,7 39
GBP
|
25,000,000
GBP
|
58,000,000
GBP
|
42,000,000
GBP
|
116,000,000
GBP
|
1, 4 9 5
GBP
|
12 5
GBP
|
14 9
GBP
|
1,000,000
GBP
|
58,000,000
GBP
|
42,000,000
GBP
|
1 ,878
GBP
|
8,000,000
GBP
|
1,000,000
GBP
|
58,000,000
GBP
|
14 9
GBP
|
2 ,071
GBP
|
1,6 8 5
GBP
|
45,000,000
GBP
|
–
GBP
|
13 3
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |