Disclosure Of Fair Value Measurement [Text Block]
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2023-01-01 to 2023-12-31 |
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As at 2021-12-31 |
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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 | — |
1, 872 . 8
GBP
|
— | — | — | — | — | — | — | — | — |
1,7 85 . 8
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 | — |
76 2 .1
GBP
|
— | — | — | — | — | — | — | — | — |
742 .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 | — |
1 ,11 0. 7
GBP
|
1 , 030 .0
GBP
|
300,000
GBP
|
700,000
GBP
|
3,400,000
GBP
|
3,700,000
GBP
|
80. 5
GBP
|
1,1 10 . 4
GBP
|
0 . 5
GBP
|
–
GBP
|
1 ,043 . 8
GBP
|
300,000
GBP
|
–
GBP
|
4 8 8 .0
GBP
|
–
GBP
|
400,000
GBP
|
1,043,500,000
GBP
|
–
GBP
|
100,000
GBP
|
555,000,000
GBP
|
5 53 .0
GBP
|
405,200,000
GBP
|
949. 8
GBP
|
1,200,000
GBP
|
–
GBP
|
9 49.6
GBP
|
0. 2
GBP
|
–
GBP
|
9 . 8
GBP
|
–
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |