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 |
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 |
2020-04-01 to 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||
| Profit (loss) |
–
GBP
|
3 , 5 47
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
466,000,000
GBP
|
–
GBP
|
4 , 0 13
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
14 8
GBP
|
1, 8 5 5
GBP
|
–
GBP
|
1, 7 0 7
GBP
|
–
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||||
| 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
|
3,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
14 8
GBP
|
1,7 2 6
GBP
|
–
GBP
|
1, 5 8 1
GBP
|
–
GBP
|