Annual report pursuant to Section 13 and 15(d)

Premises and Equipment (Details)

v2.4.1.9
Premises and Equipment (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Property, Plant and Equipment, Net, by Type [Abstract]      
Property, Plant and Equipment, Gross $ 1,367,513us-gaap_PropertyPlantAndEquipmentGross $ 1,383,344us-gaap_PropertyPlantAndEquipmentGross  
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment (751,106)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (748,687)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment  
Property, Plant and Equipment, Net 616,407us-gaap_PropertyPlantAndEquipmentNet 634,657us-gaap_PropertyPlantAndEquipmentNet  
Property Plant and Equipment Income Statement Disclosures [Abstract]      
Total Depreciation And Amotization Of Premises And Equipment 82,296hban_TotalDepreciationAndAmotizationOfPremisesAndEquipment 78,601hban_TotalDepreciationAndAmotizationOfPremisesAndEquipment 76,170hban_TotalDepreciationAndAmotizationOfPremisesAndEquipment
Rental Income Credited To Occupancy Expense 11,556hban_RentalIncomeCreditedToOccupancyExpense 12,542hban_RentalIncomeCreditedToOccupancyExpense 11,519hban_RentalIncomeCreditedToOccupancyExpense
Land and Land Improvements [Member]      
Property, Plant and Equipment, Net, by Type [Abstract]      
Property, Plant and Equipment, Gross 137,702us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandAndLandImprovementsMember
129,543us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandAndLandImprovementsMember
 
Building [Member]      
Property, Plant and Equipment, Net, by Type [Abstract]      
Property, Plant and Equipment, Gross 367,225us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingMember
356,555us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingMember
 
Leaseholds and Leasehold Improvements [Member]      
Property, Plant and Equipment, Net, by Type [Abstract]      
Property, Plant and Equipment, Gross 235,279us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdsAndLeaseholdImprovementsMember
227,764us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdsAndLeaseholdImprovementsMember
 
Equipment [Member]      
Property, Plant and Equipment, Net, by Type [Abstract]      
Property, Plant and Equipment, Gross $ 627,307us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember
$ 669,482us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember