Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2020	Oct. 27, 2020
Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2020
Document Transition Report	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Entity File Number	1-9044
Entity Registrant Name	DUKE REALTY CORPORATION
Entity Central Index Key	0000783280
Entity Incorporation, State or Country Code	IN
Entity Tax Identification Number	35-1740409
Entity Address, Address Line One	8711 River Crossing Boulevard
Entity Address, City or Town	Indianapolis,
Entity Address, State or Province	IN
Entity Address, Postal Zip Code	46240
City Area Code	(317)
Local Phone Number	808-6000
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	DRE
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Shell Company	false
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		371,951,171
Duke Realty Limited Partnership [Member]
Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Entity Registrant Name	DUKE REALTY LIMITED PARTNERSHIP
Entity Central Index Key	0001003410
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false