Annual report pursuant to Section 13 and 15(d)

Cover Page Cover

v3.19.3.a.u2
Cover Page Cover - USD ($)
 12 Months Ended
Dec. 31, 2019
Jun. 30, 2019
Entity Information [Line Items]    
Document Type 10-K  
Document Annual Report true  
Document Period End Date Dec. 31, 2019  
Entity File Number 1-34073  
Entity Incorporation, State or Country Code MD  
Entity Tax Identification Number 31-0724920  
Entity Address, Address Line One 41 South High Street  
Entity Address, City or Town Columbus,  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 43287  
City Area Code 614  
Local Phone Number 480-2265  
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 Common Stock, Shares Outstanding 1,019,194,130  
Entity Registrant Name HUNTINGTON BANCSHARES INC/MD  
Entity Central Index Key 0000049196  
Document Transition Report false  
Amendment Flag false  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus FY  
Current Fiscal Year End Date --12-31  
Entity Public Float   $ 14,582,832,960
Documents Incorporated by Reference
Part III of this Form 10-K incorporates by reference certain information from the registrant’s definitive Proxy Statement for the 2020 Annual Shareholders’ Meeting.
 
5.875% Series C Non-Cumulative, perpetual preferred stock    
Entity Information [Line Items]    
Title of 12(b) Security Depositary Shares (each representing a 1/40th interest in a share of 5.875% Series C Non-Cumulative, perpetual preferred stock)  
Trading Symbol HBANN  
Security Exchange Name NASDAQ  
6.250% Series D Non-Cumulative, perpetual preferred stock    
Entity Information [Line Items]    
Title of 12(b) Security Depositary Shares (each representing a 1/40th interest in a share of 6.250% Series D Non-Cumulative, perpetual preferred stock)  
Trading Symbol HBANO  
Security Exchange Name NASDAQ  
Common Stock-Par Value $0.01 per share    
Entity Information [Line Items]    
Title of 12(b) Security Common Stock—Par Value $0.01 per Share  
Trading Symbol HBAN  
Security Exchange Name NASDAQ