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Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2019
Jan. 31, 2020
Jun. 28, 2019
Cover page.      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2019    
Document Transition Report false    
Entity File Number 1-1063    
Entity Registrant Name Dana Inc    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 26-1531856    
Entity Address, Address Line One 3939 Technology Drive,    
Entity Address, City or Town Maumee,    
Entity Address, State or Province OH    
Entity Address, Postal Zip Code 43537    
City Area Code 419    
Local Phone Number 887-3000    
Title of 12(b) Security Common stock, par value $0.01 per share    
Trading Symbol DAN    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 2,851,347,359
Entity Common Stock, Shares Outstanding   143,942,539  
Documents Incorporated by Reference
Portions of the definitive Proxy Statement to be delivered to stockholders in connection with the Annual Meeting of Shareholders to be held on April 22, 2020 are incorporated by reference into Part III.
    
Amendment Flag false    
Entity Central Index Key 0000026780    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY