Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenues:
Rental and related revenue	$ 200,520	$ 201,996	$ 402,323	$ 416,611
General contractor and service fee revenue	26,044	23,901	49,195	76,722
Revenues, total	226,564	225,897	451,518	493,333
Expenses:
Rental expenses	25,729	30,094	55,008	66,218
Real estate taxes	29,948	27,747	59,575	58,526
General contractor and other services expenses	22,228	21,738	43,148	68,762
Depreciation and amortization	80,161	78,334	157,959	160,237
Costs and expenses, total	158,066	157,913	315,690	353,743
Other operating activities:
Equity in earnings of unconsolidated companies	3,534	15,123	25,394	21,369
Gain on dissolution of unconsolidated company	30,697	0	30,697	0
Promote income	24,087	0	24,087	0
Gain on sale of properties	39,314	107,410	54,891	130,894
Gain on land sales	707	17,012	837	22,437
Other operating expenses	(836)	(1,555)	(2,072)	(3,112)
Impairment charges	(5,651)	(5,470)	(12,056)	(5,470)
General and administrative expenses	(11,584)	(19,238)	(29,682)	(36,242)
Other Operating Activities, Net	80,268	113,282	92,096	129,876
Operating income	148,766	181,266	227,924	269,466
Other income (expenses):
Interest and other income, net	567	1,375	3,090	1,713
Interest expense	(37,184)	(42,976)	(74,914)	(92,567)
Gains (Losses) on Extinguishment of Debt	(2,430)	(82,653)	(2,430)	(82,653)
Acquisition-related activity	(72)	(1,305)	(75)	(1,333)
Income from continuing operations before income taxes	109,647	55,707	153,595	94,626
Income tax benefit (expense)	157	2,288	(186)	804
Income from continuing operations	109,804	57,995	153,409	95,430
Discontinued operations:
Income before gain on sales	127	36	364	10,195
Gain on sale of depreciable properties, net of tax	252	396,134	166	414,509
Income from discontinued operations	379	396,170	530	424,704
Net income	110,183	454,165	153,939	520,134
Net income attributable to noncontrolling interests	(1,116)	(4,785)	(1,565)	(5,510)
Net income attributable to common shareholders	$ 109,067	$ 449,380	$ 152,374	$ 514,624
Basic net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.31	$ 0.16	$ 0.44	$ 0.27
Discontinued operations attributable to common shareholders/unitholders	0.00	1.14	0.00	1.22
Total	0.31	1.30	0.44	1.49
Diluted net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	0.31	0.16	0.44	0.27
Discontinued operations attributable to common shareholders/unitholders	0.00	1.14	0.00	1.22
Total	$ 0.31	$ 1.30	$ 0.44	$ 1.49
Weighted average number of common shares/units outstanding	347,464	345,098	346,564	344,849
Weighted average number of common shares/units and potential dilutive securities	354,433	349,161	352,227	348,945
Comprehensive income:
Net income	$ 110,183	$ 454,165	$ 153,939	$ 520,134
Other comprehensive loss:
Amortization of interest contracts	(295)	(276)	(590)	(563)
Other Comprehensive Income, Other, Net of Tax	0	(123)	0	(123)
Total other comprehensive loss	(295)	(399)	(590)	(686)
Comprehensive income	109,888	453,766	153,349	519,448
Duke Realty Limited Partnership [Member]
Revenues:
Rental and related revenue	200,520	201,996	402,323	416,611
General contractor and service fee revenue	26,044	23,901	49,195	76,722
Revenues, total	226,564	225,897	451,518	493,333
Expenses:
Rental expenses	25,729	30,094	55,008	66,218
Real estate taxes	29,948	27,747	59,575	58,526
General contractor and other services expenses	22,228	21,738	43,148	68,762
Depreciation and amortization	80,161	78,334	157,959	160,237
Costs and expenses, total	158,066	157,913	315,690	353,743
Other operating activities:
Equity in earnings of unconsolidated companies	3,534	15,123	25,394	21,369
Gain on dissolution of unconsolidated company	30,697	0	30,697	0
Promote income	24,087	0	24,087	0
Gain on sale of properties	39,314	107,410	54,891	130,894
Gain on land sales	707	17,012	837	22,437
Other operating expenses	(836)	(1,555)	(2,072)	(3,112)
Impairment charges	(5,651)	(5,470)	(12,056)	(5,470)
General and administrative expenses	(11,584)	(19,238)	(29,682)	(36,242)
Other Operating Activities, Net	80,268	113,282	92,096	129,876
Operating income	148,766	181,266	227,924	269,466
Other income (expenses):
Interest and other income, net	567	1,375	3,090	1,713
Interest expense	(37,184)	(42,976)	(74,914)	(92,567)
Gains (Losses) on Extinguishment of Debt	(2,430)	(82,653)	(2,430)	(82,653)
Acquisition-related activity	(72)	(1,305)	(75)	(1,333)
Income from continuing operations before income taxes	109,647	55,707	153,595	94,626
Income tax benefit (expense)	157	2,288	(186)	804
Income from continuing operations	109,804	57,995	153,409	95,430
Discontinued operations:
Income before gain on sales	127	36	364	10,195
Gain on sale of depreciable properties, net of tax	252	396,134	166	414,509
Income from discontinued operations	379	396,170	530	424,704
Net income	110,183	454,165	153,939	520,134
Noncontrolling Interest in Net Income (Loss) Joint Venture Partners, NonRedeemable	(15)	(23)	(26)	(49)
Net income attributable to common shareholders	$ 110,168	$ 454,142	$ 153,913	$ 520,085
Basic net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.31	$ 0.16	$ 0.44	$ 0.27
Discontinued operations attributable to common shareholders/unitholders	0.00	1.14	0.00	1.22
Total	0.31	1.30	0.44	1.49
Diluted net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	0.31	0.16	0.44	0.27
Discontinued operations attributable to common shareholders/unitholders	0.00	1.14	0.00	1.22
Total	$ 0.31	$ 1.30	$ 0.44	$ 1.49
Weighted average number of common shares/units outstanding	350,968	348,728	350,065	348,511
Weighted average number of common shares/units and potential dilutive securities	354,433	349,161	352,227	348,945
Comprehensive income:
Net income	$ 110,183	$ 454,165	$ 153,939	$ 520,134
Other comprehensive loss:
Amortization of interest contracts	(295)	(276)	(590)	(563)
Other Comprehensive Income, Other, Net of Tax	0	(123)	0	(123)
Total other comprehensive loss	(295)	(399)	(590)	(686)
Comprehensive income	$ 109,888	$ 453,766	$ 153,349	$ 519,448