Disclosure Of Fair Value Measurement [Text Block]
| Concept |
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 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 |
12,145,700,000
GBP
|
— | — | — | — | — | — | — | — | — |
10,197,600,000
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 |
4,679,400,000
GBP
|
— | — | — | — | — | — | — | — | — |
4,151,700,000
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 |
7,466,300,000
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
|
1,807,300,000
GBP
|
177,000,000
GBP
|
5,451,000,000
GBP
|
1,500,000
GBP
|
210,400,000
GBP
|
1,973,800,000
GBP
|
1,878,800,000
GBP
|
5,628,000,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |