INCOME TAXES (Details) $ in Millions		3 Months Ended		6 Months Ended
	May. 06, 2011 USD ($) item	Jun. 30, 2015 USD ($)	Jun. 30, 2014	Jun. 30, 2015 USD ($) property item	Jun. 30, 2014	Dec. 31, 2014 USD ($)
Operating Loss Carryforwards [Line Items]
Unrecognized tax benefits, excluding interest		$ 184.2		$ 184.2		$ 184.2
Effective tax rate (as a percent)		7.80%	149.60%	(13.40%)	(95.20%)
General Growth Properties
Operating Loss Carryforwards [Line Items]
Number of subsidiaries involved in dispute with IRS | item	2			2
Percentage of certain taxes indemnified by related party				93.75%
Amount of combined deficiencies determined by the IRS sought to be overturned by the petition filed	$ 144.1
Proceeds From Settlement Of Tax Indemnity Receivable				$ 138.0
Number Of Office Properties Received From Settlement Of Tax Indemnity Receivable | property				6
Value Of Buildings Received From Settlement Of Tax Indemnity Receivable				$ 130.0
General Growth Properties | Maximum
Operating Loss Carryforwards [Line Items]
Amount of certain taxes indemnified by related party				$ 303.8