Huntington Bancshares Incorporated Annual report pursuant to Section 13 and 15(d)

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)	(748,687)
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	82,296	78,601	76,170
Rental Income Credited To Occupancy Expense	11,556	12,542	11,519
Land and Land Improvements [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Property, Plant and Equipment, Gross	137,702	129,543
Building [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Property, Plant and Equipment, Gross	367,225	356,555
Leaseholds and Leasehold Improvements [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Property, Plant and Equipment, Gross	235,279	227,764
Equipment [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Property, Plant and Equipment, Gross	$ 627,307	$ 669,482