Disclosure Of Effect Of Changes In Foreign Exchange Rates [Text Block]
| Concept |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
As at 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — |
2,482,000,000
GBP
|
— | — | — | — |
2,870,000,000
GBP
|
— | — |
| Current assets | — | — | — | — | — | — |
4,184,000,000
GBP
|
— | — | — | — |
4,874,000,000
GBP
|
— | — |
| Non-current liabilities | — | — | — | — | — | — |
1,073,000,000
GBP
|
— | — | — | — |
1,461,000,000
GBP
|
— | — |
| Current liabilities | — | — | — | — | — | — |
3,152,000,000
GBP
|
— | — | — | — |
3,598,000,000
GBP
|
— | — |
| Revenue | — | — | — | — | — |
16,025,000,000
GBP
|
— | — | — | — | — | — | — |
15,435,000,000
GBP
|
| Profit (loss) from continuing operations | — | — | — | — | — |
116,000,000
GBP
|
— | — | — | — | — | — | — |
194,000,000
GBP
|
| Profit (loss) from discontinued operations | — | — | — | — | — |
217,000,000
GBP
|
— | — | — | — | — | — | — |
11,000,000
GBP
|
| Profit (loss) |
–
GBP
|
–
GBP
|
101,000,000
GBP
|
–
GBP
|
–
GBP
|
101,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
205,000,000
GBP
|
205,000,000
GBP
|
| Other comprehensive income | — | — | — | — | — |
189,000,000
GBP
|
— | — | — | — | — | — | — |
255,000,000
GBP
|
| Comprehensive income |
–
GBP
|
–
GBP
|
41,000,000
GBP
|
47,000,000
GBP
|
–
GBP
|
88,000,000
GBP
|
— |
–
GBP
|
1 42
GBP
|
–
GBP
|
–
GBP
|
— |
92,000,000
GBP
|
50,000,000
GBP
|