Statement Of Changes In Equity [Abstract]
| Concept |
As at 2025-03-27 |
As at 2025-03-27 |
As at 2025-03-27 |
2024-03-29 to 2025-03-27 |
As at 2025-03-27 |
As at 2025-03-27 |
2024-03-29 to 2025-03-27 |
2024-03-29 to 2025-03-27 |
2024-03-29 to 2025-03-27 |
2024-03-29 to 2025-03-27 |
2024-03-29 to 2025-03-27 |
2024-03-29 to 2025-03-27 |
2024-03-29 to 2025-03-27 |
As at 2025-03-27 |
As at 2025-03-27 |
2024-03-29 to 2025-03-27 |
2024-03-29 to 2025-03-27 |
As at 2025-03-27 |
2023-03-31 to 2024-03-28 |
2023-03-31 to 2024-03-28 |
2023-03-31 to 2024-03-28 |
As at 2024-03-28 |
As at 2024-03-28 |
As at 2024-03-28 |
As at 2024-03-28 |
As at 2024-03-28 |
As at 2024-03-28 |
As at 2024-03-28 |
As at 2024-03-28 |
2023-03-31 to 2024-03-28 |
2023-03-31 to 2024-03-28 |
2023-03-31 to 2024-03-28 |
2023-03-31 to 2024-03-28 |
2023-03-31 to 2024-03-28 |
2023-03-31 to 2024-03-28 |
2023-03-31 to 2024-03-28 |
As at 2023-03-30 |
As at 2023-03-30 |
As at 2023-03-30 |
As at 2023-03-30 |
As at 2023-03-30 |
As at 2023-03-30 |
As at 2023-03-30 |
As at 2023-03-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||
| Equity |
1, 248. 2
GBP
|
0. 4
GBP
|
4,600,000
GBP
|
— |
113. 3
GBP
|
37 2 .0
GBP
|
— | — | — | — | — | — | — |
0 .1
GBP
|
1 . 2
GBP
|
— | — |
993. 2
GBP
|
— | — | — |
98 8. 5
GBP
|
0. 5
GBP
|
113. 3
GBP
|
0. 3
GBP
|
100,000
GBP
|
372 .0
GBP
|
4,700,000
GBP
|
1 ,242 .8
GBP
|
— | — | — | — | — | — | — |
4,800,000
GBP
|
113 . 3
GBP
|
37 2 .0
GBP
|
1 ,02 5.1
GBP
|
100,000
GBP
|
1 . 6
GBP
|
1, 280.5
GBP
|
200,000
GBP
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — |
88. 2
GBP
|
— | — |
–
GBP
|
–
GBP
|
88. 2
GBP
|
–
GBP
|
–
GBP
|
9 7. 5
GBP
|
9. 3
GBP
|
— | — |
–
GBP
|
–
GBP
|
— |
7 9. 2
GBP
|
9 8 .9
GBP
|
1 9. 7
GBP
|
— | — | — | — | — | — | — | — |
7 9. 2
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — |
–
GBP
|
— | — |
700,000
GBP
|
–
GBP
|
700,000
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — |
–
GBP
|
–
GBP
|
— |
4,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
–
GBP
|
4,300,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — |
88,200,000
GBP
|
— | — |
700,000
GBP
|
–
GBP
|
88. 9
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — |
–
GBP
|
–
GBP
|
— |
83,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
7 9. 2
GBP
|
4,300,000
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — |
5 9. 7
GBP
|
— | — |
–
GBP
|
–
GBP
|
5 9. 7
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — |
–
GBP
|
–
GBP
|
— |
6 0 .7
GBP
|
— | — | — | — | — | — | — | — | — | — |
6 0. 7
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
5 .9
GBP
|
— | — | — | — | — | — | — | — | — | — |
5 .9
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
| Amount removed from reserve of cash flow hedges and included in initial cost or other carrying amount of non-financial asset (liability) or firm commitment for which fair value hedge accounting is applied | — | — | — |
5 .9
GBP
|
— | — |
–
GBP
|
–
GBP
|
5 .9
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — |
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |