Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2022-05-01 |
As at 2022-05-01 |
As at 2022-05-01 |
As at 2022-05-01 |
As at 2022-05-01 |
As at 2022-05-01 |
As at 2022-05-01 |
As at 2021-05-02 |
As at 2021-05-02 |
As at 2021-05-02 |
As at 2021-05-02 |
As at 2021-05-02 |
As at 2021-05-02 |
As at 2021-05-02 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — |
1,235,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
1,030,000,000
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 | — |
765,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
668,700,000
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 |
147,100,000
GBP
|
469,300,000
GBP
|
337,000,000
GBP
|
2,800,000
GBP
|
3,000,000
GBP
|
2,200,000
GBP
|
18,400,000
GBP
|
3,000,000
GBP
|
2,200,000
GBP
|
147,100,000
GBP
|
214,300,000
GBP
|
6,700,000
GBP
|
5,800,000
GBP
|
361,300,000
GBP
|
2,200,000
GBP
|
147,100,000
GBP
|
–
GBP
|
4,000,000
GBP
|
3,000,000
GBP
|
106,400,000
GBP
|
250,300,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |