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		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
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)	$ 14,027	$ 16,470	$ 3,329	$ 13,727
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)	13,298	3,844	13,428	3,796
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
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	(205)	(2,138)	(489)	(2,527)
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	(2,448)	(41,170)	(8,207)	(46,407)
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	428	(2,870)	840	(3,949)
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	0	0
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)	0	0	0	0
Loan [Member] \| Interest and fee income loans and leases [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)		16,091
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)	13,428	3,851
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)	(14,027)		4,031	12,880
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)			13,285	3,776
Investment securities [Member] \| Interest and fee income investment securities [Member]
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)				0
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	379	(702)	(847)
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)	0	0	0
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	(417)	2,922	(852)	3,831
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	0	0
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)	0	0	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	2,448	41,170	8,207	46,407
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	0	0
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)	(130)	(7)	143	20
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	205	2,138	489	2,527
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	0
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)	$ 0	$ 0	$ 0	$ 0

- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References + Details

- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References + Details

- Definition

Amount of unrealized gain (loss) included in earnings for the period related to the fair value of the hedged item in an interest rate fair value hedge, which was offset by the gain (loss) on the hedging instrument to the extent that the fair value hedge is determined to be effective.

+ References + Details