Huntington Bancshares Incorporated Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entities (Consolidated and Unconsolidated) (Details)

Variable Interest Entities (Consolidated and Unconsolidated) (Details) (USD $)	3 Months Ended					12 Months Ended
	Mar. 31, 2015	Dec. 31, 2012	Mar. 31, 2012	Sep. 30, 2011	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013
Assets
Cash	$ 899,876,000us-gaap_CashAndDueFromBanks					$ 1,220,565,000us-gaap_CashAndDueFromBanks
Loans and leases	47,695,632,000					47,655,726,000
Allowance for loan and lease losses	(605,126,000)				(631,918,000)	(605,196,000)	(647,870,000)
Net loans and leases	47,090,506,000					47,050,530,000
Accrued income and other assets	1,927,324,000us-gaap_OtherAssets					1,807,208,000us-gaap_OtherAssets
Total assets	68,002,661,000us-gaap_Assets					66,298,010,000us-gaap_Assets
Liabilities
Long-term borrowings	5,158,836,000us-gaap_LongTermDebt					4,335,962,000us-gaap_LongTermDebt
Accrued interest and other liabilities	1,541,940,000us-gaap_OtherLiabilities					1,504,626,000us-gaap_OtherLiabilities
Total liabilities	61,540,707,000us-gaap_Liabilities					59,969,840,000us-gaap_Liabilities
Variable Interest Entities (Textuals) [Abstract]
Maximum year to defer payment of interest on debenture	not exceeding five years
Total of automobile loans transferred in securitization transactions		1,000,000,000	1,300,000,000	1,000,000,000
Impairment Losses On Tax Credit Investments	0				0
Consolidated Trusts [Member]
Assets
Cash	0					0
Loans and leases	297,566,000					0
Allowance for loan and lease losses	0					0
Net loans and leases	297,566,000					0
Accrued income and other assets	234,000					243,000
Total assets	297,800,000					243,000
Liabilities
Long-term borrowings	254,784,000					0
Accrued interest and other liabilities	234,000					243,000
Total liabilities	255,018,000					243,000
Equity
Beneficial interest owned by third party	42,782,000					0
Franklin 2009 Trust [Member]
Assets
Cash	0					0
Loans and leases	0					0
Allowance for loan and lease losses	0					0
Net loans and leases	0					0
Accrued income and other assets	234,000					243,000
Total assets	234,000					243,000
Liabilities
Long-term borrowings	0					0
Accrued interest and other liabilities	234,000					243,000
Total liabilities	234,000					243,000
Equity
Beneficial interest owned by third party	0					0
Macquarie Equipment Funding Trust Series 2012A [Member]
Assets
Cash	0
Loans and leases	62,265,000
Allowance for loan and lease losses	0
Net loans and leases	62,265,000
Accrued income and other assets	0
Total assets	62,265,000
Liabilities
Long-term borrowings	51,251,000
Accrued interest and other liabilities	0
Total liabilities	51,251,000
Equity
Beneficial interest owned by third party	11,014,000
Macquarie Equipment Funding Trust Series 2014A [Member]
Assets
Cash	0
Loans and leases	235,301,000
Allowance for loan and lease losses	0
Net loans and leases	235,301,000
Accrued income and other assets	0
Total assets	235,301,000
Liabilities
Long-term borrowings	203,533,000
Accrued interest and other liabilities	0
Total liabilities	203,533,000
Equity
Beneficial interest owned by third party	31,768,000
Unconsolidated Trusts [Member]
Carrying amount and classification of unconsolidated trusts assets and liabilities
Total assets	508,377,000					527,513,000
Total liabilities	541,426,000					557,696,000
Maximum exposure to loss	494,458,000					513,594,000
Trust Preferred Securities Total [Member]
Carrying amount and classification of unconsolidated trusts assets and liabilities
Total assets	13,919,000					13,919,000
Total liabilities	317,082,000					317,075,000
Maximum exposure to loss	0					0
2012-2 Automobile Trust [Member]
Carrying amount and classification of unconsolidated trusts assets and liabilities
Total assets	2,489,000					3,220,000
Total liabilities	0					0
Maximum exposure to loss	2,489,000					3,220,000
2012-1 Automobile Trust [Member]
Carrying amount and classification of unconsolidated trusts assets and liabilities
Total assets	1,465,000					2,136,000
Total liabilities	0					0
Maximum exposure to loss	1,465,000					2,136,000
2011 Automobile Trust [Member]
Carrying amount and classification of unconsolidated trusts assets and liabilities
Total assets	630,000					944,000
Total liabilities	0					0
Maximum exposure to loss	630,000					944,000
Tower Hill Securities [Member]
Carrying amount and classification of unconsolidated trusts assets and liabilities
Total assets	49,516,000					55,611,000
Total liabilities	65,000,000					65,000,000
Maximum exposure to loss	49,516,000					55,611,000
Low Income Housing Tax Credit Partnerships [Member]
Carrying amount and classification of unconsolidated trusts assets and liabilities
Total assets	358,015,000					368,283,000
Total liabilities	138,483,000					154,861,000
Maximum exposure to loss	358,015,000					368,283,000
Affortable Housing Tax Credit Investments [Abstract]
Affordable housing tax credit investments	576,817,000					576,381,000
Amortization	218,802,000					208,098,000
Net affordable housing tax credit investments	358,015,000					368,283,000
Unfunded commitments	138,483,000					154,861,000
Tax credits and other tax benefits recognized	15,747,000				14,316,000
Proportional Amortization Method [Member]
Affortable Housing Tax Credit Investments [Abstract]
Tax Credit Amortization Expense	11,074,000				9,360,000
Equity Method [Member]
Affortable Housing Tax Credit Investments [Abstract]
Tax Credit Investment Losses	147,000				223,000
Other investments
Carrying amount and classification of unconsolidated trusts assets and liabilities
Total assets	82,343,000					83,400,000
Total liabilities	20,861,000					20,760,000
Maximum exposure to loss	$ 82,343,000					$ 83,400,000