Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of fair value measurement [text block] | — | — | — | — | — |
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— | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 |
431,300,000
GBP
|
1,400,000
GBP
|
398,200,000
GBP
|
174,600,000
GBP
|
157,100,000
GBP
|
— |
1,162,600,000
GBP
|
570,600,000
GBP
|
1,125,200,000
GBP
|
237,600,000
GBP
|
159,500,000
GBP
|
157,100,000
GBP
|
400,000
GBP
|
154,700,000
GBP
|
722,600,000
GBP
|
161,700,000
GBP
|
235,500,000
GBP
|
1,274,600,000
GBP
|
100,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |