Disclosure Of Income Tax [Text Block]
| Concept |
2021-01-31 to 2022-01-29 |
2021-01-31 to 2022-01-29 |
2021-01-31 to 2022-01-29 |
2021-01-31 to 2022-01-29 |
2021-01-31 to 2022-01-29 |
2021-01-31 to 2022-01-29 |
2021-01-31 to 2022-01-29 |
2021-01-31 to 2022-01-29 |
2021-01-31 to 2022-01-29 |
2021-01-31 to 2022-01-29 |
As at 2022-01-29 |
As at 2021-01-30 |
2020-01-26 to 2021-01-30 |
2020-01-26 to 2021-01-30 |
2020-01-26 to 2021-01-30 |
2020-01-26 to 2021-01-30 |
2020-01-26 to 2021-01-30 |
2020-01-26 to 2021-01-30 |
2020-01-26 to 2021-01-30 |
2020-01-26 to 2021-01-30 |
2020-01-26 to 2021-01-30 |
2020-01-26 to 2021-01-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of income tax [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Major components of tax expense (income) [abstract] | ||||||||||||||||||||||
| Tax expense (income) | — | — | — | — | — | — |
145,600,000
GBP
|
— | — | — | — | — | — | — | — | — |
55,700,000
GBP
|
— | — | — | — | — |
| Current and deferred tax relating to items charged or credited directly to equity [abstract] | ||||||||||||||||||||||
| Current and deferred tax relating to items credited (charged) directly to equity |
7,100,000
GBP
|
–
GBP
|
4,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
3,100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
–
GBP
|
7,700,000
GBP
|
–
GBP
|
4,700,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
3,000,000
GBP
|
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — | — | — | — | — | — |
13,800,000
GBP
|
— | — | — | — | — | — | — | — | — |
10,800,000
GBP
|
— | — | — | — | — |
| Disclosure of temporary difference, unused tax losses and unused tax credits [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of temporary difference, unused tax losses and unused tax credits [abstract] | ||||||||||||||||||||||
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] | ||||||||||||||||||||||
| Deferred tax assets and liabilities [abstract] | ||||||||||||||||||||||
| Deferred tax assets | — | — | — | — | — | — | — | — | — | — |
34,000,000
GBP
|
70,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] |