Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2024-12-31 |
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2024-01-01 to 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] | — | — | — |
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— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — |
2,79 1.3
GBP
|
2 , 82 6 .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 | — | — | — | — | — | — |
1,415 .3
GBP
|
1,4 03 .0
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 |
318,800,000
GBP
|
4 7 9. 4
GBP
|
1 6 7. 1
GBP
|
— |
4. 5
GBP
|
415. 2
GBP
|
1,37 6.0
GBP
|
1 , 42 3 .9
GBP
|
3 6 9.1
GBP
|
4 7 9. 4
GBP
|
1 6 7. 1
GBP
|
415. 3
GBP
|
7. 0
GBP
|
1,482,200,000
GBP
|
4 7 9. 4
GBP
|
4 3 0 .1
GBP
|
1 6 7. 1
GBP
|
416. 7
GBP
|
11 .1
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |