Disclosure Of Effect Of Changes In Foreign Exchange Rates [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 effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when currency is not exchangeable into another currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when foreign operation’s functional currency is not exchangeable into presentation currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [abstract] | ||||||||||||||||||||
| Disclosure of summarised financial information about foreign operation [line items] | ||||||||||||||||||||
| Non-current assets | — | — | — | — | — | — | — | — |
8,404,000,000
GBP
|
— |
8,312,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Current assets | — | — | — | — | — | — | — | — |
3,948,000,000
GBP
|
— |
3,957,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — | — |
2,458,000,000
GBP
|
— |
2,515,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — | — |
3,116,000,000
GBP
|
— |
3,183,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Revenue | — | — | — | — | — |
13,183,000,000
GBP
|
–
GBP
|
13,183,000,000
GBP
|
— | — | — |
12,343,000,000
GBP
|
— | — | — |
12,343,000,000
GBP
|
–
GBP
|
— | — | — |
| Profit (loss) |
–
GBP
|
–
GBP
|
–
GBP
|
843,000,000
GBP
|
–
GBP
|
843,000,000
GBP
|
106,000,000
GBP
|
737,000,000
GBP
|
— |
–
GBP
|
— |
592,000,000
GBP
|
–
GBP
|
–
GBP
|
592,000,000
GBP
|
604,000,000
GBP
|
12,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
| Other comprehensive income |
179,000,000
GBP
|
–
GBP
|
–
GBP
|
16,000,000
GBP
|
–
GBP
|
163,000,000
GBP
|
— | — | — |
–
GBP
|
— |
166,000,000
GBP
|
–
GBP
|
–
GBP
|
44,000,000
GBP
|
— | — |
–
GBP
|
122,000,000
GBP
|
–
GBP
|
| Comprehensive income |
179,000,000
GBP
|
–
GBP
|
–
GBP
|
859,000,000
GBP
|
–
GBP
|
680,000,000
GBP
|
— | — | — |
–
GBP
|
— |
758,000,000
GBP
|
–
GBP
|
–
GBP
|
636,000,000
GBP
|
— | — |
–
GBP
|
122,000,000
GBP
|
–
GBP
|