Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2024-07-31 |
As at 2024-07-31 |
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As at 2024-07-31 |
As at 2024-07-31 |
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2023-08-01 to 2024-07-31 |
As at 2024-07-31 |
As at 2023-07-31 |
As at 2023-07-31 |
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As at 2023-07-31 |
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As at 2022-07-31 |
As at 2022-07-31 |
As at 2022-07-31 |
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As at 2022-07-31 |
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 | — | — | — | — | — | — | — | — | — |
14,080,800,000
GBP
|
— | — | — | — | — | — | — | — |
13,550,300,000
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 | — | — | — | — | — | — | — | — | — |
12,238,300,000
GBP
|
— | — | — | — | — | — | — | — |
11,905,400,000
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 |
38,000,000
GBP
|
1,634,400,000
GBP
|
1,842,500,000
GBP
|
33,800,000
GBP
|
5,300,000
GBP
|
13,000,000
GBP
|
1,400,000
GBP
|
197. 6
GBP
|
— |
1,842,500,000
GBP
|
38,000,000
GBP
|
1,608,500,000
GBP
|
2,700,000
GBP
|
—
GBP
|
1,300,000
GBP
|
32,000,000
GBP
|
34,400,000
GBP
|
1,644,900,000
GBP
|
1,644,900,000
GBP
|
38,000,000
GBP
|
1,628,400,000
GBP
|
1,657,500,000
GBP
|
—
GBP
|
29,200,000
GBP
|
100,000
GBP
|
1,500,000
GBP
|
1,657,500,000
GBP
|
21,700,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |