Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
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As at 2022-12-31 |
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As at 2022-12-31 |
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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 |
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As at 2021-12-31 |
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As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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, 3 5 3 . 9
GBP
|
— | — | — | — | — | — | — | — | — |
1, 5 7 0 . 0
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 |
549,800,000
GBP
|
— | — | — | — | — | — | — | — | — |
4 9 6 . 3
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 |
8 0 4 .1
GBP
|
—
GBP
|
18 3 . 2
GBP
|
60 4 .5
GBP
|
66 .0
GBP
|
9,300,000
GBP
|
6. 4
GBP
|
1,2 8 8 . 5
GBP
|
—
GBP
|
1, 4 0 8 .7
GBP
|
1, 07 3 .7
GBP
|
1 ,288. 5
GBP
|
1 ,01 3.0
GBP
|
18 3 . 2
GBP
|
11. 6
GBP
|
9,300,000
GBP
|
1 ,13 5 . 7
GBP
|
7,100,000
GBP
|
1,15 3 . 5
GBP
|
3 .1
GBP
|
—
GBP
|
—
GBP
|
15 3 . 3
GBP
|
17 5 .1
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |