Statement Of Changes In Equity [Abstract]
| Concept |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||
| Statement of changes in equity [line items] | |||||||
| Dividends recognised as distributions to non-controlling interests |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
4,000,000
GBP
|
–
GBP
|
4,000,000
GBP
|
| Increase (decrease) through transactions with owners, equity |
283,000,000
GBP
|
–
GBP
|
4,000,000
GBP
|
1,000,000
GBP
|
–
GBP
|
288,000,000
GBP
|
283,000,000
GBP
|