Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues:
Rental and related revenue	$ 201,996	$ 204,780	$ 416,611	$ 413,426
General contractor and service fee revenue	23,901	69,512	76,722	125,332
Revenues, total	225,897	274,292	493,333	538,758
Expenses:
Rental expenses	30,094	32,221	66,218	74,262
Real estate taxes	27,747	28,652	58,526	57,855
General contractor and other services expenses	21,738	63,857	68,762	111,128
Depreciation and amortization	78,334	88,500	160,237	176,798
Costs and expenses, total	157,913	213,230	353,743	420,043
Other operating activities:
Equity in earnings (loss) of unconsolidated companies	15,123	60,826	21,369	63,147
Gain on sale of properties	107,410	70,318	130,894	86,171
Gain on land sales	17,012	3,889	22,437	4,041
Other operating expenses	(1,555)	(1,987)	(3,112)	(4,203)
Asset Impairment Charges	(5,470)	(2,523)	(5,470)	(2,523)
General and administrative expenses	(19,238)	(10,365)	(36,242)	(25,059)
Other Operating Activities, Net	113,282	120,158	129,876	121,574
Operating income	181,266	181,220	269,466	240,289
Other income (expenses):
Interest and other income, net	1,375	229	1,713	580
Interest expense	(42,976)	(51,448)	(92,567)	(103,306)
Gains (Losses) on Extinguishment of Debt	(82,653)	(139)	(82,653)	(139)
Acquisition-related activity	(1,305)	(747)	(1,333)	(761)
Income from continuing operations before income taxes	55,707	129,115	94,626	136,663
Income Tax Benefit (Expense)	2,288	(364)	804	(3,038)
Income (loss) from continuing operations	57,995	128,751	95,430	133,625
Discontinued operations:
Income (loss) before gain on sales	36	5,471	10,195	9,393
Gain on sale of depreciable properties, net of tax	396,134	2,305	414,509	19,080
Income (loss) from discontinued operations	396,170	7,776	424,704	28,473
Net income (loss)	454,165	136,527	520,134	162,098
Dividends on preferred shares/units	0	(7,046)	0	(14,083)
Adjustments for redemption of preferred shares/units	0	0	0	483
Net (income) loss attributable to noncontrolling interests	(4,785)	(1,793)	(5,510)	(2,127)
Net income (loss) attributable to common shareholders/unitholders	$ 449,380	$ 127,688	$ 514,624	$ 146,371
Basic net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.16	$ 0.36	$ 0.27	$ 0.35
Discontinued operations attributable to common shareholders/unitholders	1.14	0.02	1.22	0.09
Total	1.30	0.38	1.49	0.44
Diluted net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	0.16	0.36	0.27	0.35
Discontinued operations attributable to common shareholders/unitholders	1.14	0.02	1.22	0.09
Total	$ 1.30	$ 0.38	$ 1.49	$ 0.44
Weighted average number of common shares/units outstanding	345,098	331,753	344,849	329,442
Weighted average number of common shares/units and potential dilutive securities	349,161	336,414	348,945	334,102
Comprehensive income (loss):
Net income (loss)	$ 454,165	$ 136,527	$ 520,134	$ 162,098
Other comprehensive loss:
Amortization of interest contracts	(276)	(287)	(563)	(574)
Other Comprehensive Income, Other, Net of Tax	(123)	55	(123)	55
Total other comprehensive loss	(399)	(232)	(686)	(519)
Comprehensive income (loss)	453,766	136,295	519,448	161,579
Duke Realty Limited Partnership [Member]
Revenues:
Rental and related revenue	201,996	204,780	416,611	413,426
General contractor and service fee revenue	23,901	69,512	76,722	125,332
Revenues, total	225,897	274,292	493,333	538,758
Expenses:
Rental expenses	30,094	32,221	66,218	74,262
Real estate taxes	27,747	28,652	58,526	57,855
General contractor and other services expenses	21,738	63,857	68,762	111,128
Depreciation and amortization	78,334	88,500	160,237	176,798
Costs and expenses, total	157,913	213,230	353,743	420,043
Other operating activities:
Equity in earnings (loss) of unconsolidated companies	15,123	60,826	21,369	63,147
Gain on sale of properties	107,410	70,318	130,894	86,171
Gain on land sales	17,012	3,889	22,437	4,041
Other operating expenses	(1,555)	(1,987)	(3,112)	(4,203)
Asset Impairment Charges	(5,470)	(2,523)	(5,470)	(2,523)
General and administrative expenses	(19,238)	(10,365)	(36,242)	(25,059)
Other Operating Activities, Net	113,282	120,158	129,876	121,574
Operating income	181,266	181,220	269,466	240,289
Other income (expenses):
Interest and other income, net	1,375	229	1,713	580
Interest expense	(42,976)	(51,448)	(92,567)	(103,306)
Gains (Losses) on Extinguishment of Debt	(82,653)	(139)	(82,653)	(139)
Acquisition-related activity	(1,305)	(747)	(1,333)	(761)
Income from continuing operations before income taxes	55,707	129,115	94,626	136,663
Income Tax Benefit (Expense)	2,288	(364)	804	(3,038)
Income (loss) from continuing operations	57,995	128,751	95,430	133,625
Discontinued operations:
Income (loss) before gain on sales	36	5,471	10,195	9,393
Gain on sale of depreciable properties, net of tax	396,134	2,305	414,509	19,080
Income (loss) from discontinued operations	396,170	7,776	424,704	28,473
Net income (loss)	454,165	136,527	520,134	162,098
Dividends on preferred shares/units	0	(7,046)	0	(14,083)
Adjustments for redemption of preferred shares/units	0	0	0	483
Noncontrolling Interest in Net Income (Loss) Joint Venture Partners, NonRedeemable	(23)	(100)	(49)	(184)
Net income (loss) attributable to common shareholders/unitholders	$ 454,142	$ 129,381	$ 520,085	$ 148,314
Basic net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.16	$ 0.36	$ 0.27	$ 0.35
Discontinued operations attributable to common shareholders/unitholders	1.14	0.02	1.22	0.09
Total	1.30	0.38	1.49	0.44
Diluted net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	0.16	0.36	0.27	0.35
Discontinued operations attributable to common shareholders/unitholders	1.14	0.02	1.22	0.09
Total	$ 1.30	$ 0.38	$ 1.49	$ 0.44
Weighted average number of common shares/units outstanding	348,728	336,139	348,511	333,828
Weighted average number of common shares/units and potential dilutive securities	349,161	336,414	348,945	334,102
Comprehensive income (loss):
Net income (loss)	$ 454,165	$ 136,527	$ 520,134	$ 162,098
Other comprehensive loss:
Amortization of interest contracts	(276)	(287)	(563)	(574)
Other Comprehensive Income, Other, Net of Tax	(123)	55	(123)	55
Total other comprehensive loss	(399)	(232)	(686)	(519)
Comprehensive income (loss)	$ 453,766	$ 136,295	$ 519,448	$ 161,579