| Document and Entity Information Document | Jul. 29, 2020 |
| Entity Information [Line Items] | |
| Document Type | 8-K |
| Entity Registrant Name | DUKE REALTY CORPORATION |
| Entity Tax Identification Number | 35-1740409 |
| Entity Incorporation, State or Country Code | IN |
| Entity File Number | 1-9044 |
| Document Period End Date | Jul. 29, 2020 |
| Title of 12(g) Security | Common Stock, par value $0.01 per share |
| Entity Address, Address Line One | 8711 River Crossing Blvd. |
| 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 |
| Entity Central Index Key | 0000783280 |
| Amendment Flag | false |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Trading Symbol | DRE |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Duke Realty Limited Partnership [Member] | |
| Entity Information [Line Items] | |
| Entity Registrant Name | DUKE REALTY LIMITED PARTNERSHIP |
| Entity Tax Identification Number | 35-1898425 |
| Entity Incorporation, State or Country Code | IN |
| Entity File Number | 0-20625 |
