Consolidated Statements of Operations and Comprehensive Income (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues:
Rental and related revenue	$ 233,518,000	$ 215,308,000	$ 470,868,000	$ 425,187,000
General contractor and service fee revenue	69,512,000	50,793,000	125,332,000	98,197,000
Revenues, total	303,030,000	266,101,000	596,200,000	523,384,000
Expenses:
Rental expenses	39,938,000	37,431,000	90,205,000	76,291,000
Real estate taxes	31,964,000	29,569,000	64,431,000	58,609,000
General contractor and other services expenses	63,857,000	45,192,000	111,128,000	83,533,000
Depreciation and amortization	97,641,000	95,322,000	195,700,000	188,316,000
Costs and expenses, total	233,400,000	207,514,000	461,464,000	406,749,000
Other operating activities:
Equity in earnings (loss) of unconsolidated companies	60,826,000	1,091,000	63,147,000	50,469,000
Gain on sale of properties	70,318,000	940,000	86,171,000	1,108,000
Earnings from sales of land	3,889,000	0	4,041,000	0
Undeveloped land carrying costs	(1,858,000)	(2,531,000)	(3,982,000)	(4,729,000)
Asset Impairment Charges	(2,523,000)	(3,777,000)	(2,523,000)	(3,777,000)
Other Operating Income (Expense), Net	(129,000)	(35,000)	(221,000)	(103,000)
General and administrative expenses	(10,365,000)	(9,707,000)	(25,059,000)	(22,852,000)
Other Operating Activities, Net	120,158,000	(14,019,000)	121,574,000	20,116,000
Operating income	189,788,000	44,568,000	256,310,000	136,751,000
Other income (expenses):
Interest and other income, net	229,000	921,000	580,000	1,074,000
Interest expense	(54,872,000)	(57,019,000)	(110,129,000)	(114,343,000)
Gains (Losses) on Extinguishment of Debt	(139,000)	0	(139,000)	0
Acquisition-related activity	(747,000)	(2,423,000)	(761,000)	(1,780,000)
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	134,259,000	(13,953,000)	145,861,000	21,702,000
Income Tax Expense (Benefit)	(364,000)	0	(3,038,000)	0
Income (loss) from continuing operations	133,895,000	(13,953,000)	142,823,000	21,702,000
Discontinued operations:
Income (loss) before gain on sales	327,000	128,000	195,000	(358,000)
Gain on sale of depreciable properties	2,305,000	83,657,000	19,080,000	92,611,000
Income (loss) from discontinued operations	2,632,000	83,785,000	19,275,000	92,253,000
Net income (loss)	136,527,000	69,832,000	162,098,000	113,955,000
Dividends on preferred shares/units	(7,046,000)	(7,355,000)	(14,083,000)	(16,905,000)
Adjustments for redemption of preferred shares/units	0	0	483,000	(5,932,000)
Net (income) loss attributable to noncontrolling interests	(1,793,000)	(983,000)	(2,127,000)	(1,581,000)
Net income (loss) attributable to common shareholders/unitholders	127,688,000	61,494,000	146,371,000	89,537,000
Basic net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.37	$ (0.07)	$ 0.38	$ (0.01)
Discontinued operations attributable to common shareholders/unitholders	$ 0.01	$ 0.26	$ 0.06	$ 0.29
Total	$ 0.38	$ 0.19	$ 0.44	$ 0.28
Diluted net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.37	$ (0.07)	$ 0.38	$ (0.01)
Discontinued operations attributable to common shareholders/unitholders	$ 0.01	$ 0.26	$ 0.06	$ 0.29
Total	$ 0.38	$ 0.19	$ 0.44	$ 0.28
Weighted average number of common shares/units outstanding	331,753	322,489	329,442	318,733
Weighted average number of common shares/units and potential dilutive securities	336,414	327,098	334,102	323,350
Comprehensive income (loss):
Net income (loss)	136,527,000	69,832,000	162,098,000	113,955,000
Other comprehensive income:
Amortization of interest contracts	(287,000)	226,000	(574,000)	683,000
Other	55,000	496,000	55,000	576,000
Total other comprehensive income	(232,000)	722,000	(519,000)	1,259,000
Comprehensive income (loss)	136,295,000	70,554,000	161,579,000	115,214,000
Duke Realty Limited Partnership [Member]
Revenues:
Rental and related revenue	233,518,000	215,308,000	470,868,000	425,187,000
General contractor and service fee revenue	69,512,000	50,793,000	125,332,000	98,197,000
Revenues, total	303,030,000	266,101,000	596,200,000	523,384,000
Expenses:
Rental expenses	39,938,000	37,431,000	90,205,000	76,291,000
Real estate taxes	31,964,000	29,569,000	64,431,000	58,609,000
General contractor and other services expenses	63,857,000	45,192,000	111,128,000	83,533,000
Depreciation and amortization	97,641,000	95,322,000	195,700,000	188,316,000
Costs and expenses, total	233,400,000	207,514,000	461,464,000	406,749,000
Other operating activities:
Equity in earnings (loss) of unconsolidated companies	60,826,000	1,091,000	63,147,000	50,469,000
Gain on sale of properties	70,318,000	940,000	86,171,000	1,108,000
Earnings from sales of land	3,889,000	0	4,041,000	0
Undeveloped land carrying costs	(1,858,000)	(2,531,000)	(3,982,000)	(4,729,000)
Asset Impairment Charges	(2,523,000)	(3,777,000)	(2,523,000)	(3,777,000)
Other Operating Income (Expense), Net	(129,000)	(35,000)	(221,000)	(103,000)
General and administrative expenses	(10,365,000)	(9,707,000)	(25,059,000)	(22,852,000)
Other Operating Activities, Net	120,158,000	(14,019,000)	121,574,000	20,116,000
Operating income	189,788,000	44,568,000	256,310,000	136,751,000
Other income (expenses):
Interest and other income, net	229,000	921,000	580,000	1,074,000
Interest expense	(54,872,000)	(57,019,000)	(110,129,000)	(114,343,000)
Gains (Losses) on Extinguishment of Debt	(139,000)	0	(139,000)	0
Acquisition-related activity	(747,000)	(2,423,000)	(761,000)	(1,780,000)
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	134,259,000	(13,953,000)	145,861,000	21,702,000
Income Tax Expense (Benefit)	(364,000)	0	(3,038,000)	0
Income (loss) from continuing operations	133,895,000	(13,953,000)	142,823,000	21,702,000
Discontinued operations:
Income (loss) before gain on sales	327,000	128,000	195,000	(358,000)
Gain on sale of depreciable properties	2,305,000	83,657,000	19,080,000	92,611,000
Income (loss) from discontinued operations	2,632,000	83,785,000	19,275,000	92,253,000
Net income (loss)	136,527,000	69,832,000	162,098,000	113,955,000
Dividends on preferred shares/units	(7,046,000)	(7,355,000)	(14,083,000)	(16,905,000)
Adjustments for redemption of preferred shares/units	0	0	483,000	(5,932,000)
Noncontrolling Interest in Net Income (Loss) Joint Venture Partners, NonRedeemable	(100,000)	(141,000)	(184,000)	(347,000)
Net income (loss) attributable to common shareholders/unitholders	129,381,000	62,336,000	148,314,000	90,771,000
Basic net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.37	$ (0.07)	$ 0.38	$ (0.01)
Discontinued operations attributable to common shareholders/unitholders	$ 0.01	$ 0.26	$ 0.06	$ 0.29
Total	$ 0.38	$ 0.19	$ 0.44	$ 0.28
Diluted net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.37	$ (0.07)	$ 0.38	$ (0.01)
Discontinued operations attributable to common shareholders/unitholders	$ 0.01	$ 0.26	$ 0.06	$ 0.29
Total	$ 0.38	$ 0.19	$ 0.44	$ 0.28
Weighted average number of common shares/units outstanding	336,139	326,877	333,828	323,130
Weighted average number of common shares/units and potential dilutive securities	336,414	327,098	334,102	323,350
Comprehensive income (loss):
Net income (loss)	136,527,000	69,832,000	162,098,000	113,955,000
Other comprehensive income:
Amortization of interest contracts	(287,000)	226,000	(574,000)	683,000
Other	55,000	496,000	55,000	576,000
Total other comprehensive income	(232,000)	722,000	(519,000)	1,259,000
Comprehensive income (loss)	$ 136,295,000	$ 70,554,000	$ 161,579,000	$ 115,214,000