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 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2021-03-31 |
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 |
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 |
2020-04-01 to 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Foreign exchange gain (loss) [abstract] | ||||||||||||||||||||
| Foreign exchange gain (loss) | — | — | — | — | — | — | — |
16,000,000
GBP
|
— | — | — | — | — | — | — | — |
17,000,000
GBP
|
— | — | — |
| Reserve of exchange differences on translation | — | — | — | — | — | — | — | — |
6,000,000
GBP
|
— |
5,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — |
13 , 5 7 0
GBP
|
— |
10 , 07 7
GBP
|
— | — | — | — | — | — | — | — | — |
| Current assets | — | — | — | — | — | — | — | — |
378,000,000
GBP
|
— |
257,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — | — |
870,000,000
GBP
|
— |
1, 0 8 6
GBP
|
— | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — | — |
324,000,000
GBP
|
— |
8 4
GBP
|
— | — | — | — | — | — | — | — | — |
| Revenue | — | — | — | — | — | — | — |
4,079,000,000
GBP
|
— | — | — | — | — | — | — | — |
1, 9 3 1
GBP
|
— | — | — |
| Profit (loss) |
–
GBP
|
3 , 5 47
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
466,000,000
GBP
|
–
GBP
|
4 , 0 13
GBP
|
— |
–
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
1, 7 0 7
GBP
|
–
GBP
|
1, 8 5 5
GBP
|
–
GBP
|
–
GBP
|
14 8
GBP
|
| Other comprehensive income | — | — | — | — | — | — | — |
1,000,000
GBP
|
— | — | — | — | — | — | — | — |
12 9
GBP
|
— | — | — |
| Comprehensive income |
–
GBP
|
3,5 49
GBP
|
–
GBP
|
–
GBP
|
1,000,000
GBP
|
466,000,000
GBP
|
–
GBP
|
4 , 0 14
GBP
|
— |
–
GBP
|
— |
–
GBP
|
3,000,000
GBP
|
–
GBP
|
1, 5 8 1
GBP
|
–
GBP
|
1,7 2 6
GBP
|
–
GBP
|
–
GBP
|
14 8
GBP
|