Statement Of Changes In Equity [Abstract]
| Concept |
2021-04-05 to 2022-04-04 |
2021-04-05 to 2022-04-04 |
2021-04-05 to 2022-04-04 |
2021-04-05 to 2022-04-04 |
2021-04-05 to 2022-04-04 |
2021-04-05 to 2022-04-04 |
2021-04-05 to 2022-04-04 |
2021-04-05 to 2022-04-04 |
2020-04-05 to 2021-04-04 |
2020-04-05 to 2021-04-04 |
2020-04-05 to 2021-04-04 |
2020-04-05 to 2021-04-04 |
2020-04-05 to 2021-04-04 |
2020-04-05 to 2021-04-04 |
2020-04-05 to 2021-04-04 |
2020-04-05 to 2021-04-04 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||
| Increase (decrease) through transfer between revaluation surplus and retained earnings, equity |
4,000,000
GBP
|
3,000,000
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
1,000,000
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
4,000,000
GBP
|
-
GBP
|
10,000,000
GBP
|
6,000,000
GBP
|
-
GBP
|