Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-29 to 2024-01-27 |
2023-01-29 to 2024-01-27 |
2023-01-29 to 2024-01-27 |
2023-01-29 to 2024-01-27 |
2023-01-29 to 2024-01-27 |
2023-01-29 to 2024-01-27 |
2023-01-29 to 2024-01-27 |
2023-01-29 to 2024-01-27 |
2023-01-29 to 2024-01-27 |
2023-01-29 to 2024-01-27 |
2023-01-29 to 2024-01-27 |
2023-01-29 to 2024-01-27 |
As at 2024-01-27 |
As at 2024-01-27 |
As at 2024-01-27 |
As at 2024-01-27 |
As at 2024-01-27 |
As at 2024-01-27 |
As at 2024-01-27 |
As at 2024-01-27 |
As at 2024-01-27 |
As at 2024-01-27 |
As at 2024-01-27 |
As at 2024-01-27 |
As at 2023-01-28 |
As at 2023-01-28 |
As at 2023-01-28 |
As at 2023-01-28 |
As at 2023-01-28 |
As at 2023-01-28 |
As at 2023-01-28 |
As at 2023-01-28 |
As at 2023-01-28 |
As at 2023-01-28 |
2022-01-30 to 2023-01-28 |
2022-01-30 to 2023-01-28 |
2022-01-30 to 2023-01-28 |
2022-01-30 to 2023-01-28 |
2022-01-30 to 2023-01-28 |
2022-01-30 to 2023-01-28 |
2022-01-30 to 2023-01-28 |
2022-01-30 to 2023-01-28 |
2022-01-30 to 2023-01-28 |
As at 2023-01-28 |
As at 2023-01-28 |
2022-01-30 to 2023-01-28 |
2022-01-30 to 2023-01-28 |
2022-01-30 to 2023-01-28 |
As at 2022-01-29 |
As at 2022-01-29 |
As at 2022-01-29 |
As at 2022-01-29 |
As at 2022-01-29 |
As at 2022-01-29 |
As at 2022-01-29 |
As at 2022-01-29 |
As at 2022-01-29 |
As at 2022-01-29 |
As at 2022-01-29 |
As at 2022-01-29 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — | — | — | — | — | — | — | — | — | — | — | — |
1,638,800,000
GBP
|
126,900,000
GBP
|
3,271,300,000
GBP
|
1,443,800,000
GBP
|
1,511,900,000
GBP
|
4,700,000
GBP
|
387,300,000
GBP
|
7,500,000
GBP
|
300,000
GBP
|
12,700,000
GBP
|
17,300,000
GBP
|
54,200,000
GBP
|
3,700,000
GBP
|
4,600,000
GBP
|
900,000
GBP
|
1,165,100,000
GBP
|
2,984,800,000
GBP
|
1,443,800,000
GBP
|
11,300,000
GBP
|
396,700,000
GBP
|
400,000
GBP
|
17,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
1,160,500,000
GBP
|
12,900,000
GBP
|
— | — | — |
1,010,000,000
GBP
|
4,900,000
GBP
|
13,300,000
GBP
|
16,600,000
GBP
|
900,000
GBP
|
27,900,000
GBP
|
331,700,000
GBP
|
1,443,800,000
GBP
|
2,731,000,000
GBP
|
1,010,000,000
GBP
|
–
GBP
|
700,000
GBP
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
802,300,000
GBP
|
–
GBP
|
1,800,000
GBP
|
802,300,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
800,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
711,700,000
GBP
|
–
GBP
|
1,000,000
GBP
|
711,700,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
710,700,000
GBP
|
— | — |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
77,700,000
GBP
|
–
GBP
|
–
GBP
|
80,900,000
GBP
|
1,300,000
GBP
|
–
GBP
|
3,800,000
GBP
|
700,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
80,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
500,000
GBP
|
–
GBP
|
–
GBP
|
60,800,000
GBP
|
59,400,000
GBP
|
–
GBP
|
1,200,000
GBP
|
300,000
GBP
|
60,800,000
GBP
|
— | — |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
724,600,000
GBP
|
–
GBP
|
1,800,000
GBP
|
721,400,000
GBP
|
1,300,000
GBP
|
–
GBP
|
3,800,000
GBP
|
700,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
719,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
712,200,000
GBP
|
–
GBP
|
1,000,000
GBP
|
772,500,000
GBP
|
59,400,000
GBP
|
–
GBP
|
1,200,000
GBP
|
300,000
GBP
|
771,500,000
GBP
|
— | — |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity |
–
GBP
|
–
GBP
|
–
GBP
|
53,400,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
53,300,000
GBP
|
100,000
GBP
|
53,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
248,300,000
GBP
|
–
GBP
|
–
GBP
|
248,300,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
248,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
237,100,000
GBP
|
–
GBP
|
–
GBP
|
237,100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
237,100,000
GBP
|
— | — |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
31,900,000
GBP
|
–
GBP
|
–
GBP
|
31,900,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
31,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
24,300,000
GBP
|
–
GBP
|
–
GBP
|
24,300,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
24,300,000
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 |
–
GBP
|
–
GBP
|
–
GBP
|
7,100,000
GBP
|
7,100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
7,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
128,700,000
GBP
|
128,700,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
128,700,000
GBP
|
— | — |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |