Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated Net Income	$ 1,679,457	$ 1,175,534
Adjustments to reconcile consolidated net income to net cash provided by operating activities -
Depreciation and amortization	920,689	973,634
Loss on debt extinguishment		127,573
Gain upon acquisition of controlling interests and sale or disposal of assets and interests in unconsolidated entities, net	(223,266)	(154,484)
Gain on sale of marketable securities	(80,187)
Straight-line rent	(39,627)	(36,952)
Equity in income of unconsolidated entities	(203,289)	(169,125)
Distributions of income from unconsolidated entities	191,886	148,502
Changes in assets and liabilities -
Tenant receivables and accrued revenue, net	55,676	45,362
Deferred costs and other assets	(87,403)	(54,622)
Accounts payable, accrued expenses, intangibles, deferred revenues and other liabilities	4,892	(123,200)
Net cash provided by operating activities	2,218,828	1,932,222
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions	(1,410,881)	(85,459)
Funding of loans to related parties		(42,685)
Repayments of loans to related parties		105,175
Capital expenditures, net	(772,850)	(467,084)
Cash impact from the consolidation of properties		5,402
Investments in unconsolidated entities	(233,416)	(155,815)
Purchase of marketable and non-marketable securities	(49,157)	(323,508)
Proceeds from sale of marketable and non-marketable securities	454,012
Distributions of capital from unconsolidated entities and other	739,845	372,560
Net cash used in investing activities	(1,272,447)	(591,414)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of units	(3,547)	(122)
Cash impact of Washington Prime spin-off		(33,776)
Redemption of limited partner units		(14,435)
Purchase of preferred stock, limited partner units and treasury stock	505,691
Purchase of noncontrolling interest in consolidated properties and other		(172,652)
Distributions to noncontrolling interest holders in properties	(6,026)	(19,486)
Contributions from noncontrolling interest holders in properties	777	686
Partnership distributions	(1,616,522)	(1,402,916)
Loss on debt extinguishment		(127,573)
Mortgage and unsecured indebtedness proceeds, net of transaction costs	6,346,923	2,685,376
Mortgage and unsecured indebtedness principal payments	(4,917,716)	(4,157,910)
Proceeds from issuance of debt related to Washington Prime properties, net		1,003,135
Net cash used in financing activities	(701,802)	(2,239,673)
INCREASE/(DECREASE) IN CASH AND CASH EQUIVALENTS	244,579	(898,865)
CASH AND CASH EQUIVALENTS, beginning of period	612,282	1,716,863
CASH AND CASH EQUIVALENTS, end of period	$ 856,861	$ 817,998