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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
8,938,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
8,359,700,000
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 |
7,983,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
6,951,200,000
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 |
955,400,000
GBP
|
— |
1,200,000
GBP
|
13,100,000
GBP
|
1,114,500,000
GBP
|
300,000
GBP
|
11,100,000
GBP
|
954,200,000
GBP
|
205,900,000
GBP
|
21,100,000
GBP
|
1,348,800,000
GBP
|
1,408,500,000
GBP
|
3,000,000
GBP
|
36,700,000
GBP
|
1,406,200,000
GBP
|
2,300,000
GBP
|
13,100,000
GBP
|
4,300,000
GBP
|
300,000
GBP
|
1,004,400,000
GBP
|
10,700,000
GBP
|
3,600,000
GBP
|
1,112,700,000
GBP
|
300,000
GBP
|
13,100,000
GBP
|
13,100,000
GBP
|
1,123,400,000
GBP
|
85,400,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |