Analysis Of Income And Expense [Abstract]
| 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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||
| Revenue [abstract] | ||||||||||||||||
| Revenue | — | — | — | — | — | — |
908 . 3
GBP
|
— | — | — | — | — | — | — | — |
773,000,000
GBP
|
| Material income and expense [abstract] | ||||||||||||||||
| Selling, general and administrative expense [abstract] | ||||||||||||||||
| Selling, general and administrative expense | — | — | — | — | — | — |
3 49. 5
GBP
|
— | — | — | — | — | — | — | — |
3 59. 2
GBP
|
| Expenses by nature [abstract] | ||||||||||||||||
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||||
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss | — | — | — | — | — | — |
3 3 .7
GBP
|
— | — | — | — | — | — | — | — |
31 .1
GBP
|
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations | — | — | — | — | — | — |
4 .3
GBP
|
— | — | — | — | — | — | — | — |
7. 4
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income |
4. 3
GBP
|
18 1 . 2
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
185 .5
GBP
|
–
GBP
|
1 . 6
GBP
|
–
GBP
|
7. 4
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
3 4.7
GBP
|
25 .7
GBP
|