Analysis Of Income And Expense [Abstract]
| Concept |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
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 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||
| Revenue | — | — | — |
824,000,000
GBP
|
58,000,000
GBP
|
766,000,000
GBP
|
— | — | — | — | — | — | — |
726,000,000
GBP
|
— | — |
65,000,000
GBP
|
791,000,000
GBP
|
| Material income and expense [abstract] | ||||||||||||||||||
| Gains (losses) on disposals of investment properties [abstract] | ||||||||||||||||||
| Gains (losses) on disposals of investment properties | — | — | — |
16,000,000
GBP
|
16,000,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — |
–
GBP
|
— | — |
144,000,000
GBP
|
144,000,000
GBP
|
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||||
| Share of profit (loss) of joint ventures accounted for using equity method | — | — | — |
2,000,000
GBP
|
19,000,000
GBP
|
21,000,000
GBP
|
— | — | — | — | — | — | — |
29,000,000
GBP
|
— | — |
30,000,000
GBP
|
1,000,000
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income |
22,000,000
GBP
|
–
GBP
|
321,000,000
GBP
|
343,000,000
GBP
|
— | — |
–
GBP
|
–
GBP
|
321,000,000
GBP
|
629,000,000
GBP
|
629,000,000
GBP
|
–
GBP
|
3,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
— |
632,000,000
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
321,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
629,000,000
GBP
|
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — |
22,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
3,000,000
GBP
|