Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets (Details Textuals)

v2.4.1.9
Goodwill and Other Intangible Assets (Details Textuals) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Business Acquisition Line Items    
Goodwill $ 678,369us-gaap_Goodwill $ 522,541us-gaap_Goodwill
Other intangible assets 72,665us-gaap_FiniteLivedIntangibleAssetsNet 74,671us-gaap_FiniteLivedIntangibleAssetsNet
Macquarie Equipment Finance, Inc [Member]    
Business Acquisition Line Items    
Goodwill 155,800us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= hban_MacquarieEquipmentFinanceIncMember
 
Other intangible assets $ 8,200us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_BusinessAcquisitionAxis
= hban_MacquarieEquipmentFinanceIncMember