Consolidated Statements of Operations and Comprehensive Income (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Rental and related revenue	$ 231,322,000	$ 221,655,000	$ 702,190,000	$ 646,842,000
General contractor and service fee revenue	59,739,000	62,807,000	185,072,000	161,004,000
Revenues, total	291,061,000	284,462,000	887,262,000	807,846,000
Expenses:
Rental expenses	38,317,000	41,159,000	128,522,000	117,450,000
Real estate taxes	32,861,000	29,433,000	97,292,000	88,042,000
General contractor and other services expenses	52,528,000	59,392,000	163,657,000	142,925,000
Depreciation and amortization	95,000,000	101,191,000	290,700,000	289,508,000
Costs and expenses, total	218,706,000	231,175,000	680,171,000	637,925,000
Other operating activities:
Equity in earnings (loss) of unconsolidated companies	19,178,000	(27,000)	82,325,000	50,442,000
Gain on sale of properties	47,143,000	0	133,617,000	1,108,000
Earnings from sales of land	3,167,000	3,365,000	7,208,000	3,365,000
Undeveloped land carrying costs	(1,773,000)	(2,108,000)	(5,755,000)	(6,837,000)
Asset Impairment Charges	(6,368,000)	0	(8,891,000)	(3,777,000)
Other Operating Income (Expense), Net	(56,000)	(47,000)	(277,000)	(150,000)
General and administrative expenses	(10,573,000)	(10,373,000)	(35,632,000)	(33,225,000)
Other Operating Activities, Net	50,718,000	(9,190,000)	172,595,000	10,926,000
Operating income	123,073,000	44,097,000	379,686,000	180,847,000
Other income (expenses):
Interest and other income, net	356,000	145,000	936,000	1,219,000
Interest expense	(53,343,000)	(56,618,000)	(163,479,000)	(171,365,000)
Gains (Losses) on Extinguishment of Debt	0	0	(139,000)	0
Acquisition-related activity	(110,000)	(726,000)	(871,000)	(2,506,000)
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	69,976,000	(13,102,000)	216,133,000	8,195,000
Income Tax Benefit (Expense)	442,000	4,500,000	(2,595,000)	4,500,000
Income (loss) from continuing operations	70,418,000	(8,602,000)	213,538,000	12,695,000
Discontinued operations:
Income (loss) before gain on sales	20,000	1,498,000	222,000	1,545,000
Gain on sale of depreciable properties	1,119,000	8,441,000	19,895,000	101,052,000
Income (loss) from discontinued operations	1,139,000	9,939,000	20,117,000	102,597,000
Net income (loss)	71,557,000	1,337,000	233,655,000	115,292,000
Dividends on preferred shares/units	(6,072,000)	(7,356,000)	(20,155,000)	(24,261,000)
Adjustments for redemption of preferred shares/units	(3,196,000)	0	(2,713,000)	(5,932,000)
Net (income) loss attributable to noncontrolling interests	(756,000)	(48,000)	(2,883,000)	(1,629,000)
Net income (loss) attributable to common shareholders/unitholders	61,533,000	(6,067,000)	207,904,000	83,470,000
Basic net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.18	$ (0.05)	$ 0.56	$ (0.06)
Discontinued operations attributable to common shareholders/unitholders	$ 0.00	$ 0.03	$ 0.06	$ 0.31
Total	$ 0.18	$ (0.02)	$ 0.62	$ 0.25
Diluted net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.18	$ (0.05)	$ 0.56	$ (0.06)
Discontinued operations attributable to common shareholders/unitholders	$ 0.00	$ 0.03	$ 0.06	$ 0.31
Total	$ 0.18	$ (0.02)	$ 0.62	$ 0.25
Weighted average number of common shares/units outstanding	341,165	324,895	333,393	320,810
Weighted average number of common shares/units and potential dilutive securities	345,826	324,895	338,057	325,380
Comprehensive income (loss):
Net income (loss)	71,557,000	1,337,000	233,655,000	115,292,000
Other comprehensive income:
Amortization of interest contracts	(287,000)	(116,000)	(861,000)	567,000
Other	0	(54,000)	55,000	522,000
Total other comprehensive income	(287,000)	(170,000)	(806,000)	1,089,000
Comprehensive income (loss)	71,270,000	1,167,000	232,849,000	116,381,000
Duke Realty Limited Partnership [Member]
Revenues:
Rental and related revenue	231,322,000	221,655,000	702,190,000	646,842,000
General contractor and service fee revenue	59,739,000	62,807,000	185,072,000	161,004,000
Revenues, total	291,061,000	284,462,000	887,262,000	807,846,000
Expenses:
Rental expenses	38,317,000	41,159,000	128,522,000	117,450,000
Real estate taxes	32,861,000	29,433,000	97,292,000	88,042,000
General contractor and other services expenses	52,528,000	59,392,000	163,657,000	142,925,000
Depreciation and amortization	95,000,000	101,191,000	290,700,000	289,508,000
Costs and expenses, total	218,706,000	231,175,000	680,171,000	637,925,000
Other operating activities:
Equity in earnings (loss) of unconsolidated companies	19,178,000	(27,000)	82,325,000	50,442,000
Gain on sale of properties	47,143,000	0	133,617,000	1,108,000
Earnings from sales of land	3,167,000	3,365,000	7,208,000	3,365,000
Undeveloped land carrying costs	(1,773,000)	(2,108,000)	(5,755,000)	(6,837,000)
Asset Impairment Charges	(6,368,000)	0	(8,891,000)	(3,777,000)
Other Operating Income (Expense), Net	(56,000)	(47,000)	(277,000)	(150,000)
General and administrative expenses	(10,573,000)	(10,373,000)	(35,632,000)	(33,225,000)
Other Operating Activities, Net	50,718,000	(9,190,000)	172,595,000	10,926,000
Operating income	123,073,000	44,097,000	379,686,000	180,847,000
Other income (expenses):
Interest and other income, net	356,000	145,000	936,000	1,219,000
Interest expense	(53,343,000)	(56,618,000)	(163,479,000)	(171,365,000)
Gains (Losses) on Extinguishment of Debt	0	0	(139,000)	0
Acquisition-related activity	(110,000)	(726,000)	(871,000)	(2,506,000)
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	69,976,000	(13,102,000)	216,133,000	8,195,000
Income Tax Benefit (Expense)	442,000	4,500,000	(2,595,000)	4,500,000
Income (loss) from continuing operations	70,418,000	(8,602,000)	213,538,000	12,695,000
Discontinued operations:
Income (loss) before gain on sales	20,000	1,498,000	222,000	1,545,000
Gain on sale of depreciable properties	1,119,000	8,441,000	19,895,000	101,052,000
Income (loss) from discontinued operations	1,139,000	9,939,000	20,117,000	102,597,000
Net income (loss)	71,557,000	1,337,000	233,655,000	115,292,000
Dividends on preferred shares/units	(6,072,000)	(7,356,000)	(20,155,000)	(24,261,000)
Adjustments for redemption of preferred shares/units	(3,196,000)	0	(2,713,000)	(5,932,000)
Noncontrolling Interest in Net Income (Loss) Joint Venture Partners, NonRedeemable	39,000	(140,000)	(145,000)	(487,000)
Net income (loss) attributable to common shareholders/unitholders	62,328,000	(6,159,000)	210,642,000	84,612,000
Basic net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.18	$ (0.05)	$ 0.56	$ (0.06)
Discontinued operations attributable to common shareholders/unitholders	$ 0.00	$ 0.03	$ 0.06	$ 0.31
Total	$ 0.18	$ (0.02)	$ 0.62	$ 0.25
Diluted net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.18	$ (0.05)	$ 0.56	$ (0.06)
Discontinued operations attributable to common shareholders/unitholders	$ 0.00	$ 0.03	$ 0.06	$ 0.31
Total	$ 0.18	$ (0.02)	$ 0.62	$ 0.25
Weighted average number of common shares/units outstanding	345,545	329,283	337,777	325,203
Weighted average number of common shares/units and potential dilutive securities	345,826	329,283	338,057	325,380
Comprehensive income (loss):
Net income (loss)	71,557,000	1,337,000	233,655,000	115,292,000
Other comprehensive income:
Amortization of interest contracts	(287,000)	(116,000)	(861,000)	567,000
Other	0	(54,000)	55,000	522,000
Total other comprehensive income	(287,000)	(170,000)	(806,000)	1,089,000
Comprehensive income (loss)	$ 71,270,000	$ 1,167,000	$ 232,849,000	$ 116,381,000