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

Annual report pursuant to Section 13 and 15(d)

Loans and Leases and Allowance For Credit Losses (Textuals) (Details)

Loans and Leases and Allowance For Credit Losses (Textuals) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014 D	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Loans and Leases (Textuals)
Amount of security for borrowing and advances	$ 18,000,000,000
All loans with an outstanding balance which evaluated on quarterly basis for impairment	1,000,000
Amount guaranteed by U.S. Government	55,012,000hban_AmountGuaranteedByGovernment	87,985,000hban_AmountGuaranteedByGovernment
Redefault status number of days	90hban_RedefaultStatusNumberOfDays
Amount of NAL foregone interest	20,600,000	23,400,000	40,400,000
Amount of TDR foregone interest	45,000,000	43,900,000	41,200,000
Amount of interest recorded to interest income on NALs	8,400,000	5,000,000	4,800,000
Amount of interest recorded to interest income on TDRs	38,600,000	35,700,000	32,200,000
Aggregate amount of net unamortized deferred loan origination fees and net unearned income	178,700,000	192,900,000
Loans transfered to available-for-sale securities	0	600,435,000		0
Lease Financing Receivables Textuals [Abstract]
Capital Leases, Future Minimum Payments Receivable	1,100,000,000
Capital Leases, Future Minimum Payments Receivable, Current	300,000,000
Capital Leases, Future Minimum Payments, Receivable in Two Years	200,000,000
Capital Leases, Future Minimum Payments, Receivable in Three Years	200,000,000
Capital Leases, Future Minimum Payments, Receivable in Four Years	100,000,000
Capital Leases, Future Minimum Payments, Receivable in Five Years	100,000,000
Capital Leases, Future Minimum Payments, Receivable Due Thereafter	$ 200,000,000
Home equity secured by first-lien other [Member]
Loans and Leases (Textuals)
Nonaccrual status number of days past due	150
Loans charged off or written down past due	150
Home equity secured by junior-lien [Member]
Loans and Leases (Textuals)
Nonaccrual status number of days past due	120
Loans charged off or written down past due	120
Residential Mortgage [Member]
Loans and Leases (Textuals)
Nonaccrual status number of days past due	150
Loans charged off or written down past due	150
Commercial and Industrial and Commercial Real Estate [Member]
Loans and Leases (Textuals)
Nonaccrual status number of days past due	90
Loans charged off or written down past due	90
Automobile and other consumer loans [Member]
Loans and Leases (Textuals)
Loans charged off or written down past due	120