Disclosure Of Fair Value Measurement [Text Block]
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As at 2022-12-31 |
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As at 2020-12-31 |
As at 2020-12-31 |
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As at 2020-12-31 |
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As at 2019-12-31 |
As at 2019-12-31 |
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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 |
34,815,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
34,451,000,000
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 |
18,358,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
7,971,000,000
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 |
16,457,000,000
GBP
|
11,537,000,000
GBP
|
126,000,000
GBP
|
–
GBP
|
26,730,000,000
GBP
|
92,000,000
GBP
|
1,046,000,000
GBP
|
16,331,000,000
GBP
|
37,538,000,000
GBP
|
11,632,000,000
GBP
|
26,480,000,000
GBP
|
26,355,000,000
GBP
|
125,000,000
GBP
|
–
GBP
|
448,000,000
GBP
|
1,000,000
GBP
|
37,281,000,000
GBP
|
111,000,000
GBP
|
26,112,000,000
GBP
|
1,000,000
GBP
|
482,000,000
GBP
|
11,652,000,000
GBP
|
–
GBP
|
26,223,000,000
GBP
|
27,321,000,000
GBP
|
91,000,000
GBP
|
1,372,000,000
GBP
|
652,000,000
GBP
|
27,412,000,000
GBP
|
20,842,000,000
GBP
|
4,454,000,000
GBP
|
1,000,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |