Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
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As at 2023-12-31 |
As at 2023-12-31 |
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As at 2023-12-31 |
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As at 2022-12-31 |
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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 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
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As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
1 ,022.0
GBP
|
— | — | — | — | — | — | — | — |
1, 3 5 3 . 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 |
5 13 . 2
GBP
|
— | — | — | — | — | — | — | — |
549,800,000
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 |
508,800,000
GBP
|
9 0 7. 5
GBP
|
1. 2
GBP
|
—
GBP
|
8 .1
GBP
|
13 . 2
GBP
|
51. 5
GBP
|
1, 2 8 8 . 5
GBP
|
18 3 . 2
GBP
|
8 0 4 .1
GBP
|
—
GBP
|
—
GBP
|
18 3 .2
GBP
|
60 4.5
GBP
|
66 . 0
GBP
|
9,300,000
GBP
|
6 .4
GBP
|
1 ,2 88.5
GBP
|
—
GBP
|
1, 4 0 8 .7
GBP
|
—
GBP
|
1, 0 7 3 .7
GBP
|
1 ,288.5
GBP
|
1 ,01 3.0
GBP
|
18 3 .2
GBP
|
11 . 6
GBP
|
9,300,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |