Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2024-12-31 |
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 |
As at 2023-12-31 |
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As at 2022-12-31 |
As at 2022-12-31 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of fair value measurement [text block] | — | — | — | — | — | — |
Fair values of financial assets and financial liabilities
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — |
993,000,000
GBP
|
978,800,000
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 | — | — | — | — | — | — | — | — | — |
350,000,000
GBP
|
342,200,000
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 |
1,100,000
GBP
|
431,900,000
GBP
|
93,600,000
GBP
|
200,000
GBP
|
200,000
GBP
|
–
GBP
|
— |
116,500,000
GBP
|
100,000
GBP
|
643,000,000
GBP
|
636,600,000
GBP
|
425,200,000
GBP
|
1,100,000
GBP
|
116,500,000
GBP
|
93,600,000
GBP
|
200,000
GBP
|
100,000
GBP
|
–
GBP
|
100,000
GBP
|
627,100,000
GBP
|
116,500,000
GBP
|
93,600,000
GBP
|
1,100,000
GBP
|
415,700,000
GBP
|
–
GBP
|
200,000
GBP
|
–
GBP
|
–
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |