Statement Of Cash Flows [Abstract]
| Concept |
2023-04-01 to 2024-03-31 |
2022-04-01 to 2023-03-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) investing activities [abstract] | ||
| Dividends received from joint ventures, classified as investing activities |
17,000,000
GBP
|
14,000,000
GBP
|
| Purchase of investment property |
137,000,000
GBP
|
94,000,000
GBP
|
| Proceeds from sales of investment property |
176,000,000
GBP
|
1,269,000,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to non-controlling interests, classified as financing activities |
–
GBP
|
4,000,000
GBP
|