Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2024-12-31 |
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As at 2023-12-31 |
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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 | — | — | — |
1, 2 26 .7
GBP
|
— | — | — | — |
1 ,15 0 . 3
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 | — | — | — |
425,400,000
GBP
|
— | — | — | — |
41 6 .1
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 |
338,500,000
GBP
|
5 4 .1
GBP
|
4 02 .1
GBP
|
801 .3
GBP
|
6,600,000
GBP
|
300,000
GBP
|
6,000,000
GBP
|
303,800,000
GBP
|
734. 2
GBP
|
4 24 .1
GBP
|
70 0.8
GBP
|
300,000
GBP
|
6 .0
GBP
|
24 9. 8
GBP
|
444. 7
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |