Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
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| Disclosure of fair value measurement [text block] | — |
A7
|
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| 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 |
30,363 .6
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
28, 270 . 2
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 |
17 ,670.8
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
16 ,4 67 . 1
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 |
12,69 2.8
GBP
|
— |
628 .8
GBP
|
52 .6
GBP
|
81 2. 6
GBP
|
555,600,000
GBP
|
8, 336.7
GBP
|
1 ,8 82 .4
GBP
|
10, 181 .6
GBP
|
12 ,06 4.0
GBP
|
432 .7
GBP
|
8,600,000
GBP
|
7,540,000,000
GBP
|
554. 9
GBP
|
820. 1
GBP
|
5 48. 1
GBP
|
52,600,000
GBP
|
11,803 .1
GBP
|
1 , 882 .4
GBP
|
9,365. 8
GBP
|
407 .6
GBP
|
11 , 248. 2
GBP
|
2 .6
GBP
|
1 1,0 83. 2
GBP
|
82 1. 2
GBP
|
547 .0
GBP
|
52,600,000
GBP
|
10,629,100,000
GBP
|
1 ,882 .4
GBP
|
441 .2
GBP
|
8,746,700,000
GBP
|
454 .1
GBP
|
6 ,852 .6
GBP
|
32,100,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |