Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 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 2022-12-31 |
As at 2022-12-31 |
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 |
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 |
As at 2021-12-31 |
As at 2021-12-31 |
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 |
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 |
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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 |
5, 863
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
5 ,450
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 |
3,70 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3 ,472
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 |
2, 161
GBP
|
–
GBP
|
— |
5,000,000
GBP
|
18,000,000
GBP
|
–
GBP
|
2, 800
GBP
|
22,000,000
GBP
|
197,000,000
GBP
|
–
GBP
|
2, 143
GBP
|
94 6
GBP
|
109,000,000
GBP
|
2 6
GBP
|
2 ,7 6 9
GBP
|
5,000,000
GBP
|
946,000,000
GBP
|
–
GBP
|
38,000,000
GBP
|
1,9 7 8
GBP
|
–
GBP
|
1 ,9 6 1
GBP
|
–
GBP
|
197,000,000
GBP
|
17,000,000
GBP
|
–
GBP
|
41,000,000
GBP
|
1, 182
GBP
|
4,000,000
GBP
|
1, 38 3
GBP
|
19,000,000
GBP
|
1,67 9
GBP
|
141,000,000
GBP
|
1, 3 8 4
GBP
|
27,000,000
GBP
|
17,000,000
GBP
|
1,6 9 8
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |