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

Derivative Financial Instruments (Cash flow hedges) (Details 2)

Derivative Financial Instruments (Cash flow hedges) (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flow hedging [Member]
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)	$ 1,823	$ (10,339)
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)	2,892	4,026
Hedged Other long term debt [Member] \| Interest expense subordinated notes and other long term debt [Member]
Increase or (decrease) to interest expense for derivatives designated as fair value hedges
Increase or (decrease) to interest expense for derivatives designated as fair value hedges	6,474	397
Hedged Subordinated notes [Member] \| Interest expense subordinated notes and other long term debt [Member]
Increase or (decrease) to interest expense for derivatives designated as fair value hedges
Increase or (decrease) to interest expense for derivatives designated as fair value hedges	(1,066)	8,121
Hedged Deposits [Member] \| Interest expense deposits [Member]
Increase or (decrease) to interest expense for derivatives designated as fair value hedges
Increase or (decrease) to interest expense for derivatives designated as fair value hedges	266	1,748
FHLB Advances [Member] \| Interest expense other borrowings [Member] \| Cash flow hedging [Member]
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)	0	0
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)	0	0
Loan [Member] \| Interest and fee income loans and leases [Member] \| Cash flow hedging [Member]
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)	1,823	(10,339)
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)	2,892	3,916
Investment securities [Member] \| Interest and fee income investment securities [Member] \| Cash flow hedging [Member]
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)	0	0
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)	0	110
Deposits [Member] \| Interest expense deposits [Member]
Increase or (decrease) to interest expense for derivatives designated as fair value hedges
Increase or (decrease) to interest expense for derivatives designated as fair value hedges	(267)	(1,754)
Deposits [Member] \| Interest expense deposits [Member] \| Cash flow hedging [Member]
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)	0	0
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)	0	0
Subordinated notes \| Interest expense subordinated notes and other long term debt [Member]
Increase or (decrease) to interest expense for derivatives designated as fair value hedges
Increase or (decrease) to interest expense for derivatives designated as fair value hedges	1,066	(8,121)
Subordinated notes \| Interest expense subordinated notes and other long term debt [Member] \| Cash flow hedging [Member]
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)	0	0
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)	0	0
Other long-term debt \| Interest expense subordinated notes and other long term debt [Member]
Increase or (decrease) to interest expense for derivatives designated as fair value hedges
Increase or (decrease) to interest expense for derivatives designated as fair value hedges	(4,051)	(397)
Other long-term debt \| Interest expense subordinated notes and other long term debt [Member] \| Cash flow hedging [Member]
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)	0	0
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)	$ 0	$ 0