Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues:
Rental and related revenue	$ 200,938	$ 202,067	$ 617,549	$ 615,493
General contractor and service fee revenue	33,599	59,739	110,320	185,072
Revenues, total	234,537	261,806	727,869	800,565
Expenses:
Rental expenses	30,137	29,829	96,355	104,090
Real estate taxes	27,702	29,501	86,228	87,355
General contractor and other services expenses	29,694	52,528	98,455	163,657
Depreciation and amortization	79,898	85,772	240,135	262,570
Costs and expenses, total	167,431	197,630	521,173	617,672
Other operating activities:
Equity in earnings (loss) of unconsolidated companies	(5,088)	19,178	16,281	82,325
Gain on sale of properties	71,259	47,143	202,153	133,617
Gain on land sales	1,659	3,167	24,096	7,208
Other operating expenses	(1,467)	(1,829)	(4,579)	(6,032)
Asset Impairment Charges	(2,426)	(6,368)	(7,896)	(8,891)
General and administrative expenses	(11,340)	(10,573)	(47,582)	(35,632)
Other Operating Activities, Net	52,597	50,718	182,473	172,595
Operating income	119,703	114,894	389,169	355,488
Other income (expenses):
Interest and other income, net	1,343	356	3,056	936
Interest expense	(41,615)	(47,421)	(134,576)	(145,628)
Gains (Losses) on Extinguishment of Debt	64	0	(82,589)	(139)
Acquisition-related activity	(5,660)	(110)	(6,993)	(871)
Income from continuing operations before income taxes	73,835	67,719	168,067	209,786
Income Tax Benefit (Expense)	3,305	442	4,109	(2,595)
Income from continuing operations	77,140	68,161	172,176	207,191
Discontinued operations:
Income (loss) before gain on sales	(43)	2,277	10,546	6,569
Gain on sale of depreciable properties, net of tax	111	1,119	414,620	19,895
Income from discontinued operations	68	3,396	425,166	26,464
Net income	77,208	71,557	597,342	233,655
Dividends on preferred shares/units	0	(6,072)	0	(20,155)
Adjustments for redemption of preferred shares/units	0	(3,196)	0	(2,713)
Net (income) loss attributable to noncontrolling interests	(774)	(756)	(6,284)	(2,883)
Net income attributable to common shareholders	$ 76,434	$ 61,533	$ 591,058	$ 207,904
Basic net income per common share:
Continuing operations attributable to common shareholders/unitholders	$ 0.22	$ 0.17	$ 0.49	$ 0.54
Discontinued operations attributable to common shareholders/unitholders	0.00	0.01	1.22	0.08
Total	0.22	0.18	1.71	0.62
Diluted net income per common share:
Continuing operations attributable to common shareholders/unitholders	0.22	0.17	0.49	0.54
Discontinued operations attributable to common shareholders/unitholders	0.00	0.01	1.21	0.08
Total	$ 0.22	$ 0.18	$ 1.70	$ 0.62
Weighted average number of common shares/units outstanding	345,256	341,165	344,986	333,393
Weighted average number of common shares/units and potential dilutive securities	352,150	345,826	352,013	338,057
Comprehensive income:
Net income	$ 77,208	$ 71,557	$ 597,342	$ 233,655
Other comprehensive loss:
Amortization of interest contracts	(274)	(287)	(837)	(861)
Other Comprehensive Income, Other, Net of Tax	0	0	(123)	55
Total other comprehensive loss	(274)	(287)	(960)	(806)
Comprehensive income	76,934	71,270	596,382	232,849
Duke Realty Limited Partnership [Member]
Revenues:
Rental and related revenue	200,938	202,067	617,549	615,493
General contractor and service fee revenue	33,599	59,739	110,320	185,072
Revenues, total	234,537	261,806	727,869	800,565
Expenses:
Rental expenses	30,137	29,829	96,355	104,090
Real estate taxes	27,702	29,501	86,228	87,355
General contractor and other services expenses	29,694	52,528	98,455	163,657
Depreciation and amortization	79,898	85,772	240,135	262,570
Costs and expenses, total	167,431	197,630	521,173	617,672
Other operating activities:
Equity in earnings (loss) of unconsolidated companies	(5,088)	19,178	16,281	82,325
Gain on sale of properties	71,259	47,143	202,153	133,617
Gain on land sales	1,659	3,167	24,096	7,208
Other operating expenses	(1,467)	(1,829)	(4,579)	(6,032)
Asset Impairment Charges	(2,426)	(6,368)	(7,896)	(8,891)
General and administrative expenses	(11,340)	(10,573)	(47,582)	(35,632)
Other Operating Activities, Net	52,597	50,718	182,473	172,595
Operating income	119,703	114,894	389,169	355,488
Other income (expenses):
Interest and other income, net	1,343	356	3,056	936
Interest expense	(41,615)	(47,421)	(134,576)	(145,628)
Gains (Losses) on Extinguishment of Debt	64	0	(82,589)	(139)
Acquisition-related activity	(5,660)	(110)	(6,993)	(871)
Income from continuing operations before income taxes	73,835	67,719	168,067	209,786
Income Tax Benefit (Expense)	3,305	442	4,109	(2,595)
Income from continuing operations	77,140	68,161	172,176	207,191
Discontinued operations:
Income (loss) before gain on sales	(43)	2,277	10,546	6,569
Gain on sale of depreciable properties, net of tax	111	1,119	414,620	19,895
Income from discontinued operations	68	3,396	425,166	26,464
Net income	77,208	71,557	597,342	233,655
Dividends on preferred shares/units	0	(6,072)	0	(20,155)
Adjustments for redemption of preferred shares/units	0	(3,196)	0	(2,713)
Noncontrolling Interest in Net Income (Loss) Joint Venture Partners, NonRedeemable	(23)	39	(72)	(145)
Net income attributable to common shareholders	$ 77,185	$ 62,328	$ 597,270	$ 210,642
Basic net income per common share:
Continuing operations attributable to common shareholders/unitholders	$ 0.22	$ 0.17	$ 0.49	$ 0.54
Discontinued operations attributable to common shareholders/unitholders	0.00	0.01	1.22	0.08
Total	0.22	0.18	1.71	0.62
Diluted net income per common share:
Continuing operations attributable to common shareholders/unitholders	0.22	0.17	0.49	0.54
Discontinued operations attributable to common shareholders/unitholders	0.00	0.01	1.21	0.08
Total	$ 0.22	$ 0.18	$ 1.70	$ 0.62
Weighted average number of common shares/units outstanding	348,760	345,545	348,595	337,777
Weighted average number of common shares/units and potential dilutive securities	352,150	345,826	352,013	338,057
Comprehensive income:
Net income	$ 77,208	$ 71,557	$ 597,342	$ 233,655
Other comprehensive loss:
Amortization of interest contracts	(274)	(287)	(837)	(861)
Other Comprehensive Income, Other, Net of Tax	0	0	(123)	55
Total other comprehensive loss	(274)	(287)	(960)	(806)
Comprehensive income	$ 76,934	$ 71,270	$ 596,382	$ 232,849