Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2024-01-31 |
As at 2024-01-31 |
As at 2024-01-31 |
As at 2024-01-31 |
As at 2024-01-31 |
As at 2024-01-31 |
As at 2024-01-31 |
As at 2024-01-31 |
2023-02-01 to 2024-01-31 |
As at 2023-01-31 |
As at 2023-01-31 |
As at 2023-01-31 |
As at 2023-01-31 |
As at 2023-01-31 |
As at 2023-01-31 |
As at 2023-01-31 |
As at 2023-01-31 |
As at 2022-02-01 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
As at 2022-01-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — |
c) Fair values
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — |
1,882,800,000
GBP
|
— | — |
1,949,300,000
GBP
|
— | — | — | — | — | — | — |
2,266,900,000
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 | — | — | — | — | — | — |
1,659,300,000
GBP
|
— | — |
1,583,900,000
GBP
|
— | — | — | — | — | — | — |
1,615,500,000
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 |
1,200,000
GBP
|
10,500,000
GBP
|
2,900,000
GBP
|
648,300,000
GBP
|
21,300,000
GBP
|
–
GBP
|
223,500,000
GBP
|
452,500,000
GBP
|
— |
365,400,000
GBP
|
8,900,000
GBP
|
–
GBP
|
–
GBP
|
648,300,000
GBP
|
21,100,000
GBP
|
3,200,000
GBP
|
309,700,000
GBP
|
651,400,000
GBP
|
–
GBP
|
648,300,000
GBP
|
–
GBP
|
648,300,000
GBP
|
–
GBP
|
700,000
GBP
|
7,400,000
GBP
|
21,100,000
GBP
|
22,400,000
GBP
|
–
GBP
|
2,300,000
GBP
|
21,100,000
GBP
|
800,000
GBP
|
651,400,000
GBP
|
24,700,000
GBP
|
1,500,000
GBP
|
7,400,000
GBP
|
–
GBP
|
652,900,000
GBP
|
–
GBP
|
–
GBP
|
800,000
GBP
|
–
GBP
|
700,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |