Disclosure Of Fair Value Measurement [Text Block]
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As at 2022-12-31 |
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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 | — | — | — | — | — | — |
346,300,000
GBP
|
451,300,000
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 | — | — | — | — | — | — |
260,400,000
GBP
|
213,800,000
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 |
1,600,000
GBP
|
52,200,000
GBP
|
133,700,000
GBP
|
18,900,000
GBP
|
16,500,000
GBP
|
400,000
GBP
|
85,900,000
GBP
|
237 .5
GBP
|
93,400,000
GBP
|
1,600,000
GBP
|
133,700,000
GBP
|
18. 9
GBP
|
13. 0
GBP
|
2 .9
GBP
|
223. 7
GBP
|
24,300,000
GBP
|
1,600,000
GBP
|
185,300,000
GBP
|
9 .4
GBP
|
800,000
GBP
|
3. 9
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |