Statement Of Comprehensive Income [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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||
| Profit (loss) |
–
GBP
|
–
GBP
|
–
GBP
|
230 0
GBP
|
–
GBP
|
–
GBP
|
230. 0
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
125 5
GBP
|
125,500,000
GBP
|
–
GBP
|
–
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — | — | — | — | — |
20,900,000
GBP
|
— | — | — | — |
18,200,000
GBP
|
— | — |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — | — | — | — | — |
23,000,000
GBP
|
— | — | — | — |
46,000,000
GBP
|
— | — |
| Other comprehensive income | — | — | — | — | — | — |
43,900,000
GBP
|
— | — | — | — |
64,200,000
GBP
|
— | — |
| Comprehensive income |
–
GBP
|
–
GBP
|
21,900,000
GBP
|
250 9
GBP
|
–
GBP
|
1,100,000
GBP
|
2 73.9
GBP
|
42,500,000
GBP
|
–
GBP
|
–
GBP
|
107 3
GBP
|
61,300,000
GBP
|
3,500,000
GBP
|
–
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
273,900,000
GBP
|
— | — | — | — |
61,300,000
GBP
|
— | — |