Quarterly report pursuant to Section 13 or 15(d)

Cover Page

v3.21.2
Cover Page
 9 Months Ended
Sep. 30, 2021
shares
Entity Information [Line Items]  
Document Type 10-Q
Document Quarterly Report true
Document Period End Date Sep. 30, 2021
Document Transition Report false
Entity Registrant Name Huntington Bancshares Incorporated
Entity Incorporation, State or Country Code MD
Entity File Number 1-34073
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 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 (in shares) 1,446,461,249
Entity Central Index Key 0000049196
Amendment Flag false
Document Fiscal Year Focus 2021
Document Fiscal Period Focus Q3
Current Fiscal Year End Date --12-31
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
Series H Preferred Stock  
Entity Information [Line Items]  
Title of 12(b) Security Depositary Shares (each representing a 1/40th interest in a share of 4.500% Series H Non-Cumulative, perpetual preferred stock)
Trading Symbol HBANP
Security Exchange Name NASDAQ
Series I Preferred Stock  
Entity Information [Line Items]  
Title of 12(b) Security Depositary Shares (each representing a 1/100th interest in a share of 5.70% Series I Non-Cumulative, perpetual preferred stock)
Trading Symbol HBANM
Security Exchange Name NASDAQ