Disclosure Of Fair Value Measurement [Text Block]
| Concept |
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 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 |
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| 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 |
191, 560
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
2 1 9 ,1 3 4
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 |
18 8,7 30
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
21 3 ,78 9
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, 830
GBP
|
— |
11 , 6 1 3
GBP
|
48,000,000
GBP
|
370,000,000
GBP
|
14 ,02 3
GBP
|
47,000,000
GBP
|
119,000,000
GBP
|
2,782,000,000
GBP
|
7 0
GBP
|
1,000,000
GBP
|
16, 550
GBP
|
93,000,000
GBP
|
1 1 , 6 6 0
GBP
|
5 ,345
GBP
|
5, 296
GBP
|
49,000,000
GBP
|
3 70
GBP
|
130,000,000
GBP
|
117,000,000
GBP
|
16, 85 3
GBP
|
8,000,000
GBP
|
5,57 7
GBP
|
13 0
GBP
|
1,000,000
GBP
|
11 , 6 5 8
GBP
|
370,000,000
GBP
|
5,585,000,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |