Statement Of Financial Position [Abstract]
| Concept |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
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 |
As at 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 2023-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — |
42,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
7,000,000
GBP
|
— | — | — | — | — | — | — |
| Investment property | — |
1 0,0 3 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
9, 3 3 0
GBP
|
— | — | — | — | — | — | — |
| Trade and other non-current receivables | — |
229,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
1 59
GBP
|
— | — | — | — | — | — | — |
| Non-current assets | — |
1 0,9 0 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
10,0 9 0
GBP
|
— | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories | — |
81,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
10 0
GBP
|
— | — | — | — | — | — | — |
| Trade and other current receivables | — |
4 67
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
37 9
GBP
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — |
39,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
78,000,000
GBP
|
— |
41,000,000
GBP
|
— | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners | — |
110,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — |
| Current assets | — |
721,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
5 74
GBP
|
— | — | — | — | — | — | — |
| Assets | — |
1 1 ,621
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
10,6 6 4
GBP
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — |
80,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
80,000,000
GBP
|
— | — | — | — | — | — | — |
| Retained earnings | — |
6,0 8 5
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
5 ,9 8 0
GBP
|
— | — | — | — | — | — | — |
| Share premium | — |
3 19
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
3 19
GBP
|
— | — | — | — | — | — | — |
| Other reserves | — |
30,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
23,000,000
GBP
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent | — |
6,5 1 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
6,4 02
GBP
|
— | — | — | — | — | — | — |
| Non-controlling interests | — |
18,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
45,000,000
GBP
|
— | — | — | — | — | — | — |
| Equity |
30,000,000
GBP
|
6,5 32
GBP
|
18,000,000
GBP
|
3 19
GBP
|
80,000,000
GBP
|
6 ,0 8 5
GBP
|
6 ,51 4
GBP
|
23,000,000
GBP
|
6,4 02
GBP
|
5 ,9 8 0
GBP
|
45,000,000
GBP
|
3 19
GBP
|
80,000,000
GBP
|
6, 4 47
GBP
|
7, 0 0 5
GBP
|
7,072,000,000
GBP
|
318,000,000
GBP
|
80,000,000
GBP
|
67,000,000
GBP
|
6,594,000,000
GBP
|
13,000,000
GBP
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions | — |
30,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
42,000,000
GBP
|
— | — | — | — | — | — | — |
| Trade and other non-current payables | — |
4 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
4,000,000
GBP
|
— | — | — | — | — | — | — |
| Non-current liabilities | — |
3,8 8 1
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
2,8 6 4
GBP
|
— | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||
| Current provisions | — |
4 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
30,000,000
GBP
|
— | — | — | — | — | — | — |
| Trade and other current payables | — |
4 0 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
3 4 8
GBP
|
— | — | — | — | — | — | — |
| Current liabilities | — |
1 ,2 0 8
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
1, 3 5 3
GBP
|
— | — | — | — | — | — | — |
| Liabilities | — |
5 ,0 89
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
4 , 21 7
GBP
|
— | — | — | — | — | — | — |