Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues:
Rental and related revenue	$ 206,848	$ 200,938	$ 609,171	$ 617,549
General contractor and service fee revenue	19,351	33,599	68,546	110,320
Revenues, total	226,199	234,537	677,717	727,869
Expenses:
Rental expenses	26,084	30,137	81,092	96,355
Real estate taxes	31,313	27,702	90,888	86,228
General contractor and other services expenses	17,182	29,694	60,330	98,455
Depreciation and amortization	80,688	79,898	238,647	240,135
Costs and expenses, total	155,267	167,431	470,957	521,173
Other operating activities:
Equity in earnings (loss) of unconsolidated companies	12,010	(5,088)	37,404	16,281
Gain on dissolution of unconsolidated company	0	0	30,697	0
Promote income	2,212	0	26,299	0
Gain on sale of properties	82,698	71,259	137,589	202,153
Gain on land sales	1,601	1,659	2,438	24,096
Other operating expenses	(1,424)	(1,467)	(3,496)	(4,579)
Impairment charges	(3,042)	(2,426)	(15,098)	(7,896)
General and administrative expenses	(12,534)	(11,340)	(42,216)	(47,582)
Other Operating Activities, Net	81,521	52,597	173,617	182,473
Operating income	152,453	119,703	380,377	389,169
Other income (expenses):
Interest and other income, net	507	1,343	3,597	3,056
Interest expense	(34,606)	(41,615)	(109,520)	(134,576)
Loss on debt extinguishment	(6,243)	64	(8,673)	(82,589)
Acquisition-related activity	(7)	(5,660)	(82)	(6,993)
Income from continuing operations before income taxes	112,104	73,835	265,699	168,067
Income tax benefit	359	3,305	173	4,109
Income from continuing operations	112,463	77,140	265,872	172,176
Discontinued operations:
Income (loss) before gain on sales	377	(43)	741	10,546
Gain on sale of depreciable properties, net of tax	319	111	485	414,620
Income from discontinued operations	696	68	1,226	425,166
Net income	113,159	77,208	267,098	597,342
Net income attributable to noncontrolling interests	(1,145)	(774)	(2,710)	(6,284)
Net income attributable to common shareholders	$ 112,014	$ 76,434	$ 264,388	$ 591,058
Basic net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.32	$ 0.22	$ 0.75	$ 0.49
Discontinued operations attributable to common shareholders/unitholders	0.00	0.00	0.00	1.22
Total	0.32	0.22	0.75	1.71
Diluted net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	0.32	0.22	0.75	0.49
Discontinued operations attributable to common shareholders/unitholders	0.00	0.00	0.00	1.21
Total	$ 0.32	$ 0.22	$ 0.75	$ 1.70
Weighted average number of common shares/units outstanding	351,856	345,256	348,341	344,986
Weighted average number of common shares/units and potential dilutive securities	358,981	352,150	355,405	352,013
Comprehensive income:
Net income	$ 113,159	$ 77,208	$ 267,098	$ 597,342
Other comprehensive loss:
Amortization of interest contracts	(255)	(274)	(845)	(837)
Other Comprehensive Income, Other, Net of Tax	(23)	0	(23)	(123)
Total other comprehensive loss	(278)	(274)	(868)	(960)
Comprehensive income	112,881	76,934	266,230	596,382
Duke Realty Limited Partnership [Member]
Revenues:
Rental and related revenue	206,848	200,938	609,171	617,549
General contractor and service fee revenue	19,351	33,599	68,546	110,320
Revenues, total	226,199	234,537	677,717	727,869
Expenses:
Rental expenses	26,084	30,137	81,092	96,355
Real estate taxes	31,313	27,702	90,888	86,228
General contractor and other services expenses	17,182	29,694	60,330	98,455
Depreciation and amortization	80,688	79,898	238,647	240,135
Costs and expenses, total	155,267	167,431	470,957	521,173
Other operating activities:
Equity in earnings (loss) of unconsolidated companies	12,010	(5,088)	37,404	16,281
Gain on dissolution of unconsolidated company	0	0	30,697	0
Promote income	2,212	0	26,299	0
Gain on sale of properties	82,698	71,259	137,589	202,153
Gain on land sales	1,601	1,659	2,438	24,096
Other operating expenses	(1,424)	(1,467)	(3,496)	(4,579)
Impairment charges	(3,042)	(2,426)	(15,098)	(7,896)
General and administrative expenses	(12,534)	(11,340)	(42,216)	(47,582)
Other Operating Activities, Net	81,521	52,597	173,617	182,473
Operating income	152,453	119,703	380,377	389,169
Other income (expenses):
Interest and other income, net	507	1,343	3,597	3,056
Interest expense	(34,606)	(41,615)	(109,520)	(134,576)
Loss on debt extinguishment	(6,243)	64	(8,673)	(82,589)
Acquisition-related activity	(7)	(5,660)	(82)	(6,993)
Income from continuing operations before income taxes	112,104	73,835	265,699	168,067
Income tax benefit	359	3,305	173	4,109
Income from continuing operations	112,463	77,140	265,872	172,176
Discontinued operations:
Income (loss) before gain on sales	377	(43)	741	10,546
Gain on sale of depreciable properties, net of tax	319	111	485	414,620
Income from discontinued operations	696	68	1,226	425,166
Net income	113,159	77,208	267,098	597,342
Noncontrolling Interest in Net Income (Loss) Joint Venture Partners, NonRedeemable	(14)	(23)	(40)	(72)
Net income attributable to common shareholders	$ 113,145	$ 77,185	$ 267,058	$ 597,270
Basic net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.32	$ 0.22	$ 0.75	$ 0.49
Discontinued operations attributable to common shareholders/unitholders	0.00	0.00	0.00	1.22
Total	0.32	0.22	0.75	1.71
Diluted net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	0.32	0.22	0.75	0.49
Discontinued operations attributable to common shareholders/unitholders	0.00	0.00	0.00	1.21
Total	$ 0.32	$ 0.22	$ 0.75	$ 1.70
Weighted average number of common shares/units outstanding	355,351	348,760	351,840	348,595
Weighted average number of common shares/units and potential dilutive securities	358,981	352,150	355,405	352,013
Comprehensive income:
Net income	$ 113,159	$ 77,208	$ 267,098	$ 597,342
Other comprehensive loss:
Amortization of interest contracts	(255)	(274)	(845)	(837)
Other Comprehensive Income, Other, Net of Tax	(23)	0	(23)	(123)
Total other comprehensive loss	(278)	(274)	(868)	(960)
Comprehensive income	$ 112,881	$ 76,934	$ 266,230	$ 596,382