Document and Entity Information	6 Months Ended
	Jun. 30, 2012	Aug. 03, 2012
Entity Information [Line Items]
Entity Registrant Name	DUKE REALTY CORP
Entity Central Index Key	0000783280
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Jun. 30, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		269,694,573
Subsidiary of Common Parent [Member]
Entity Information [Line Items]
Entity Registrant Name	DUKE REALTY LIMITED PARTNERSHIP/
Entity Central Index Key	0001003410
Current Fiscal Year End Date	--12-31