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

Annual report pursuant to Section 13 and 15(d)

Benefit Plans (Details 3)

Benefit Plans (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Amounts Recognized in Other Comprehensive Income (Loss) Before Tax
Pretax, Balance, Beginning of Period	$ 240,345	$ 363,691	$ 285,177
Net actuarial gains (losses)		(13,106)	27,013
Pretax, Balance, End of Period	347,202	240,345	363,691
Net actuarial gains (losses)		(13,106)	27,013
Amounts Recognized in Other Comprehensive Income (Loss), Tax
Tax (expense) Benefit, Balance, Beginning of Period	(84,122)	(127,292)	(99,813)
Net Actuarial (loss) gain
Amoritization included in net periodic benefit costs		4,588	(9,455)
Transition Obligation
Amoritization included in net periodic benefit costs		4,588	(9,455)
Tax (expense) Benefit, Balance, End of Period	(121,522)	(84,122)	(127,292)
Amounts Recognized in Other Comprehensive Income (Loss), after Tax [Abstract]
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossAfterTax	156,223	236,399	185,364
Net actuarial (loss) gain
Amortization included in net periodic benefit costs		(8,518)	17,558
Prior Service Cost
Amortization included in net periodic benefts costs	(14,517)	(9,855)	(25,788)
Transition Obligation
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossAfterTax	225,680	156,223	236,399
Transition Obligation [Member]
Amounts Recognized in Other Comprehensive Income (Loss) Before Tax
Net actuarial gains (losses)	0	0	2
Net actuarial gains (losses)	0	0	2
Net Actuarial (loss) gain
Amoritization included in net periodic benefit costs	0	0	0
Transition Obligation
Amoritization included in net periodic benefit costs	0	0	0
Transition Obligation
Amortization included in net periodic benefit costs	0	0	2
Prior Service Cost [Member]
Amounts Recognized in Other Comprehensive Income (Loss) Before Tax
Amounts Arising During the Year	8,781	0	0
Net actuarial gains (losses)	1,609	24,514	6,865
Amounts Arising During the Year	8,781	0	0
Net actuarial gains (losses)	1,609	24,514	6,865
Prior Service Cost
Amounts Arising During the Year	3,073	0	0
Amoritization included in net periodic benefit costs	(563)	(8,580)	(2,403)
Prior Service Cost
Net prior service cost arising during the period	(5,708)	0	0
Amortization included in net periodic benefts costs	1,046	15,934	4,462
Net Actuarial (loss) gain [Member]
Amounts Recognized in Other Comprehensive Income (Loss) Before Tax
Amounts Arising During the Year	(133,085)	118,666	(105,527)
Net actuarial gains (losses)	(19,056)	(29,194)	(33,880)
Amounts Arising During the Year	(133,085)	118,666	(105,527)
Net actuarial gains (losses)	(19,056)	(29,194)	(33,880)
Net Actuarial (loss) gain
Amounts Arising During the Year	(46,580)	41,532	(36,934)
Amoritization included in net periodic benefit costs	(6,670)	(10,218)	(11,858)
Transition Obligation
Amoritization included in net periodic benefit costs	(6,670)	(10,218)	(11,858)
Net actuarial (loss) gain
Amount arising during the period	(86,505)	77,134	(68,593)
Amortization included in net periodic benefit costs	$ (12,386)	$ (18,976)	$ (22,022)