Disclosure Of Income Tax [Text Block]
| Concept |
2021-02-01 to 2022-01-31 |
2021-02-01 to 2022-01-31 |
2021-02-01 to 2022-01-31 |
2021-02-01 to 2022-01-31 |
2021-02-01 to 2022-01-31 |
2021-02-01 to 2022-01-31 |
2021-02-01 to 2022-01-31 |
2021-02-01 to 2022-01-31 |
As at 2022-01-31 |
2021-02-01 to 2022-01-31 |
As at 2021-01-31 |
2020-02-01 to 2021-01-31 |
2020-02-01 to 2021-01-31 |
2020-02-01 to 2021-01-31 |
2020-02-01 to 2021-01-31 |
2020-02-01 to 2021-01-31 |
2020-02-01 to 2021-01-31 |
2020-02-01 to 2021-01-31 |
2020-02-01 to 2021-01-31 |
2020-02-01 to 2021-01-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of income tax [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Major components of tax expense (income) [abstract] | ||||||||||||||||||||
| Tax expense (income) | — | — | — | — | — |
164,000,000
GBP
|
48,000,000
GBP
|
212,000,000
GBP
|
— | — | — |
164,000,000
GBP
|
— | — | — |
182,000,000
GBP
|
18,000,000
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 |
2,000,000
GBP
|
–
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
3,000,000
GBP
|
— | — | — |
–
GBP
|
— |
3,000,000
GBP
|
–
GBP
|
–
GBP
|
1,000,000
GBP
|
— | — |
–
GBP
|
2,000,000
GBP
|
–
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 | — | — | — | — | — | — | — | — |
10,000,000
GBP
|
— |
15,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — | — | — |
276,000,000
GBP
|
— |
232,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] |