Document and Entity Information	3 Months Ended
	Mar. 31, 2013	May 03, 2013
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	Mar. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		321,669,024
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
Entity Filer Category	Non-accelerated Filer