Analysis Of Income And Expense [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 |
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 |
2022-01-30 to 2023-01-28 |
2022-01-30 to 2023-01-28 |
2022-01-30 to 2023-01-28 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||||||||
| Revenue | — | — | — | — | — | — | — | — | — | — | — |
5,491,000,000
GBP
|
— | — | — | — | — | — | — | — |
5,034,000,000
GBP
|
— | — | — |
| Material income and expense [abstract] | ||||||||||||||||||||||||
| Impairment loss (reversal of impairment loss) on trade receivables [abstract] | ||||||||||||||||||||||||
| Impairment loss (reversal of impairment loss) recognised in profit or loss, trade receivables | — | — | — | — | — | — | — | — | — | — | — |
36,000,000
GBP
|
— | — | — | — | — | — | — | — |
31,000,000
GBP
|
— | — | — |
| Trading income (expense) [abstract] | ||||||||||||||||||||||||
| Trading income (expense) | — | — | — | — | — | — | — | — | — | — | — |
981,000,000
GBP
|
— | — | — | — | — | — | — | — |
927,200,000
GBP
|
— | — | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations | — | — | — | — | — | — | — | — | — | — | — |
3,800,000
GBP
|
— | — | — | — | — | — | — | — |
1,200,000
GBP
|
— | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — | — | — | — | — | — | — | — | — |
6,900,000
GBP
|
— | — | — | — | — | — | — | — |
14,300,000
GBP
|
— | — | — |
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — | — | — | — | — | — | — | — | — | — |
200,000
GBP
|
— | — | — | — | — | — | — | — |
19,700,000
GBP
|
— | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||||||||
| 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
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | — |
721,400,000
GBP
|
— | — | — | — | — | — | — | — |
772,500,000
GBP
|
— | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — | — | — | — | — |
1,800,000
GBP
|
— | — | — | — | — | — | — | — |
1,000,000
GBP
|
— | — | — |