Disclosure Of Interests In Other Entities [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 interests in other entities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of interests in subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [abstract] | ||||||||||||||||||||
| Disclosure of subsidiaries [line items] | ||||||||||||||||||||
| Current assets | — | — | — | — | — | — | — | — |
3,948,000,000
GBP
|
— |
3,957,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — | — | — |
8,404,000,000
GBP
|
— |
8,312,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — | — |
3,116,000,000
GBP
|
— |
3,183,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — | — |
2,458,000,000
GBP
|
— |
2,515,000,000
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
|
| 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
|
| Disclosure of interests in associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [abstract] | ||||||||||||||||||||
| Disclosure of associates [line items] | ||||||||||||||||||||
| 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
|
| Investments accounted for using equity method | — | — | — | — | — | — | — | — |
17,000,000
GBP
|
— |
20,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Disclosure of interests in joint arrangements [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of joint ventures [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of joint ventures [abstract] | ||||||||||||||||||||
| Disclosure of joint ventures [line items] | ||||||||||||||||||||
| Cash and cash equivalents | — | — | — | — | — | — | — | — |
823,000,000
GBP
|
— |
1,142,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| 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
|
— | — | — |