Disclosure Of Fair Value Measurement [Text Block]
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As at 2022-07-31 |
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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 | — | — | — | — | — |
4,232,000,000
GBP
|
— | — | — | — | — | — | — | — |
4,381,000,000
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 | — | — | — | — | — |
1,980,000,000
GBP
|
— | — | — | — | — | — | — | — |
1,975,000,000
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 |
184,000,000
GBP
|
495,000,000
GBP
|
1,306,000,000
GBP
|
2,230,000,000
GBP
|
353,000,000
GBP
|
2,252,000,000
GBP
|
22,000,000
GBP
|
260,000,000
GBP
|
188,000,000
GBP
|
1,431,000,000
GBP
|
496,000,000
GBP
|
386,000,000
GBP
|
2,384,000,000
GBP
|
22,000,000
GBP
|
2,406,000,000
GBP
|
259,000,000
GBP
|
1,659,000,000
GBP
|
501,000,000
GBP
|
202,000,000
GBP
|
2,721,000,000
GBP
|
487,000,000
GBP
|
2,699,000,000
GBP
|
22,000,000
GBP
|
254,000,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |