INCOME TAXES (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2014	Sep. 30, 2015 USD ($) property item	Sep. 30, 2014	Nov. 06, 2011 USD ($)
Operating Loss Carryforwards [Line Items]
Unrecognized tax benefits, excluding interest	$ 184.2		$ 184.2
Effective tax rate (as a percent)	10.50%	1.30%	19.70%	(896.50%)
General Growth Properties
Operating Loss Carryforwards [Line Items]
Number of subsidiaries involved in dispute with IRS | item			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