Statement Of Financial Position [Abstract]

Land Securities Group PLC - Filing #5467934

Concept	As at 2024-03-31	As at 2024-03-31	As at 2024-03-31	As at 2024-03-31	As at 2024-03-31	As at 2024-03-31	As at 2024-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2022-03-31	As at 2022-03-31	As at 2022-03-31	As at 2022-03-31	As at 2022-03-31	As at 2022-03-31	As at 2022-03-31
Statement of financial position [abstract]
Assets [abstract]
Investment property	—	—	—	—	—	—	9,330,000,000 GBP	—	9,658,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	—	—	78,000,000 GBP	—	41,000,000 GBP	—	—	—	—	—	—	—	—	—	146,000,000 GBP	—	—
Assets	—	—	—	—	—	—	10,664,000,000 GBP	—	10,966,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	—	—	—	80,000,000 GBP	—	80,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Retained earnings	—	—	—	—	—	—	5,980,000,000 GBP	—	6,594,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Share premium	—	—	—	—	—	—	319,000,000 GBP	—	318,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Other reserves	—	—	—	—	—	—	23,000,000 GBP	—	13,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Equity attributable to owners of parent	—	—	—	—	—	—	6,402,000,000 GBP	—	7,005,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Non-controlling interests	—	—	—	—	—	—	45,000,000 GBP	—	67,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Equity	23,000,000 GBP	6,402,000,000 GBP	5,980,000,000 GBP	45,000,000 GBP	319,000,000 GBP	80,000,000 GBP	6,447,000,000 GBP	7,005,000,000 GBP	7,072,000,000 GBP	318,000,000 GBP	80,000,000 GBP	67,000,000 GBP	6,594,000,000 GBP	13,000,000 GBP	7,917,000,000 GBP	80,000,000 GBP	7,511,000,000 GBP	317,000,000 GBP	7,991,000,000 GBP	74,000,000 GBP	9,000,000 GBP
Liabilities [abstract]
Liabilities	—	—	—	—	—	—	4,217,000,000 GBP	—	3,894,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—