Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — |
2,130,600,000
GBP
|
— | — | — | — |
2,030,200,000
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 | — | — | — |
1,483,400,000
GBP
|
— | — | — | — |
1,462,100,000
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 |
578,200,000
GBP
|
65,700,000
GBP
|
900,000
GBP
|
647,200,000
GBP
|
2,400,000
GBP
|
56,000,000
GBP
|
2,400,000
GBP
|
508,400,000
GBP
|
568,100,000
GBP
|
1,300,000
GBP
|
496,200,000
GBP
|
55,900,000
GBP
|
2,400,000
GBP
|
436,800,000
GBP
|
1,100,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |