| Document and Entity Information Document | Jul. 24, 2019 |
| Cover page. | |
| Document Type | 8-K |
| Entity Central Index Key | 0000028823 |
| Title of 12(b) Security | Common shares, $1.25 par value per share |
| Entity Incorporation, State or Country Code | OH |
| Entity File Number | 1-4879 |
| Entity Tax Identification Number | 34-0183970 |
| Entity Address, Address Line One | 5995 Mayfair Road, P.O. Box 3077, |
| Entity Address, City or Town | North Canton, |
| Entity Address, State or Province | OH |
| Entity Address, Postal Zip Code | 44720-8077 |
| Trading Symbol | DBD |
| Security Exchange Name | NYSE |
| Amendment Flag | false |
| Document Period End Date | Jul. 24, 2019 |
| Entity Registrant Name | Diebold Nixdorf, Incorporated |
| City Area Code | 330 |
| Local Phone Number | 490-4000 |
| Entity Information, Former Legal or Registered Name | Not Applicable |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
