Consolidated Balance Sheets (USD $)	Sep. 30, 2014	Dec. 31, 2013
Real estate, at cost:
Land	$ 4,137,278,000	$ 4,066,837,000
Buildings and improvements	12,609,463,000	12,466,244,000
Development costs and construction in progress	1,680,202,000	1,353,103,000
Leasehold improvements and equipment	128,982,000	132,483,000
Total	18,555,925,000	18,018,667,000
Less accumulated depreciation and amortization	(3,613,098,000)	(3,372,207,000)
Real estate, net	14,942,827,000	14,646,460,000
Cash and cash equivalents	1,683,142,000	583,290,000
Restricted cash	160,848,000	262,440,000
Marketable securities	184,154,000	191,917,000
Tenant and other receivables, net of allowance for doubtful accounts of $18,307 and $21,869	118,636,000	115,862,000
Real Estate Fund investments	495,392,000	667,710,000
Mortgage and mezzanine loans receivable, net of allowance of $5,811 and $5,845	17,085,000	170,972,000
Receivable arising from the straight-lining of rents, net of allowance of $3,396 and $4,355	873,901,000	817,314,000
Deferred leasing and financing costs, net of accumulated amortization of $299,542 and $264,421	483,902,000	411,922,000
Identified intangible assets, net of accumulated amortization of $223,786 and $277,998	280,207,000	311,963,000
Assets related to discontinued operations	0	316,219,000
Other assets	492,355,000	351,488,000
Assets	21,000,515,000	20,097,224,000
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY
Mortgages payable	9,273,212,000	8,331,993,000
Senior unsecured notes	1,791,987,000	1,350,855,000
Revolving credit facility debt	88,138,000	295,870,000
Accounts payable and accrued expenses	498,565,000	422,276,000
Deferred revenue	489,250,000	529,048,000
Deferred compensation plan	113,549,000	116,515,000
Liabilities related to discontinued operations	0	13,950,000
Other liabilities	380,843,000	438,353,000
Total liabilities	12,635,544,000	11,498,860,000
Commitments and contingencies
Redeemable noncontrolling interests:
Class A units - 11,395,068 and 11,292,038 units outstanding	1,139,052,000	1,002,620,000
Series D cumulative redeemable preferred unit - 1 unit outstanding	1,000,000	1,000,000
Total redeemable noncontrolling interests	1,140,052,000	1,003,620,000
Vornado shareholders' equity:
Preferred shares of beneficial interest: no par value per share; authorized 110,000,000 shares; issued and outstanding 52,678,939 and 52,682,807 shares	1,277,026,000	1,277,225,000
Common shares of beneficial interest: $.04 par value per share; authorized 250,000,000 shares; issued and outstanding 187,735,229 and 187,284,688 shares	7,487,000	7,469,000
Additional capital	7,040,538,000	7,143,840,000
Earnings less than distributions	(1,878,125,000)	(1,734,839,000)
Accumulated other comprehensive income	69,580,000	71,537,000
Total Vornado shareholders' equity	6,516,506,000	6,765,232,000
Noncontrolling interests in consolidated subsidiaries	708,413,000	829,512,000
Total equity	7,224,919,000	7,594,744,000
Total liabilities, redeemable noncontrolling interests and equity	21,000,515,000	20,097,224,000
Toys R Us [Member]
Real estate, at cost:
Investments in partially owned entities	0	83,224,000
All Equity Method Investees Excluding Toys [Member]
Real estate, at cost:
Investments in partially owned entities	$ 1,268,066,000	$ 1,166,443,000