Disclosure Of Fair Value Measurement [Text Block]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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 |
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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 | — |
11,524,200,000
GBP
|
— | — | — | — | — | — | — |
12,145,700,000
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 | — |
4,339,600,000
GBP
|
— | — | — | — | — | — | — |
4,679,400,000
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 | — |
7,184,600,000
GBP
|
2,853,500,000
GBP
|
2,090,600,000
GBP
|
436,100,000
GBP
|
1,878,600,000
GBP
|
1,400,000
GBP
|
75,600,000
GBP
|
6,748,500,000
GBP
|
7,466,300,000
GBP
|
1,928,200,000
GBP
|
314,200,000
GBP
|
1,878,600,000
GBP
|
3,168,400,000
GBP
|
1,400,000
GBP
|
175,500,000
GBP
|
7,152,100,000
GBP
|
2,057,700,000
GBP
|
2,028,000,000
GBP
|
6,045,900,000
GBP
|
5,757,800,000
GBP
|
1,878,600,000
GBP
|
288,100,000
GBP
|
208,000,000
GBP
|
1,500,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |