Disclosure Of Fair Value Measurement [Text Block]

Hammerson PLC - Filing #1872278

Concept	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31
Disclosure of fair value measurement [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of assets [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of assets [abstract]
Disclosure of fair value measurement of assets [line items]
Assets	4,536,400,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4,913,900,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Reconciliation of changes in fair value measurement, assets [abstract]
Disclosure of fair value measurement of liabilities [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of liabilities [abstract]
Disclosure of fair value measurement of liabilities [line items]
Liabilities	1,950,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2,167,900,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Reconciliation of changes in fair value measurement, liabilities [abstract]
Disclosure of fair value measurement of equity [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of equity [abstract]
Disclosure of fair value measurement of equity [line items]
Equity	2,586,400,000 GBP	135,400,000 GBP	– GBP	1,563,700,000 GBP	– GBP	646,000,000 GBP	8,800,000 GBP	250,100,000 GBP	– GBP	2,586,400,000 GBP	– GBP	374,100,000 GBP	2,745,900,000 GBP	252,900,000 GBP	1,593,200,000 GBP	221,000,000 GBP	100,000 GBP	243,500,000 GBP	110,000,000 GBP	3,500,000 GBP	2,746,000,000 GBP	110,000,000 GBP	221,000,000 GBP	100,000 GBP	2,746,000,000 GBP	1,593,200,000 GBP	2,745,900,000 GBP	374,100,000 GBP	198,200,000 GBP	– GBP	– GBP	– GBP	9,400,000 GBP	– GBP	– GBP	207,600,000 GBP	– GBP	– GBP	3,500,000 GBP	9,400,000 GBP	3,500,000 GBP	243,500,000 GBP	207,600,000 GBP	110,000,000 GBP	2,746,000,000 GBP	374,100,000 GBP	2,745,900,000 GBP	1,593,200,000 GBP	100,000 GBP	221,000,000 GBP	663,000,000 GBP	100,000 GBP	3,208,800,000 GBP	202,900,000 GBP	374,100,000 GBP	1,611,900,000 GBP	150,200,000 GBP	400,000 GBP	3,208,900,000 GBP	207,100,000 GBP
Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract]