Disclosure Of Fair Value Measurement [Text Block]
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As at 2022-12-31 |
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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 | — | — | — | — | — | — | — | — |
5,638,000,000
GBP
|
7,139,000,000
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 | — | — | — | — | — | — | — | — |
4,164,000,000
GBP
|
5,519,000,000
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 |
145,000,000
GBP
|
1,020,000,000
GBP
|
147,000,000
GBP
|
40,000,000
GBP
|
95,000,000
GBP
|
1,379,000,000
GBP
|
285,000,000
GBP
|
312,000,000
GBP
|
1,474,000,000
GBP
|
1,620,000,000
GBP
|
940,000,000
GBP
|
143,000,000
GBP
|
63,000,000
GBP
|
99,000,000
GBP
|
147,000,000
GBP
|
42,000,000
GBP
|
312,000,000
GBP
|
1,521,000,000
GBP
|
1,567,000,000
GBP
|
69,000,000
GBP
|
34,000,000
GBP
|
147,000,000
GBP
|
143,000,000
GBP
|
820,000,000
GBP
|
38,000,000
GBP
|
1,533,000,000
GBP
|
316,000,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |