$HBAN
HUNTINGTON BANCSHARES INC /MD/ Stock $hban

$hban Overview Financials Valuation SEC Filings Company Website

2014 Q4 Form 10-K Financial Statement

#000119312515049355 Filed on February 13, 2015

Income Statement

Concept	2014 Q4	2014	2013 Q4
Revenue	$507.6M	$1.976B	$469.8M
YoY Change	8.05%	6.23%	-1.91%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$93.80M	$332.8M	$71.20M
YoY Change	31.74%	18.22%	6.91%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$34.37M	$139.3M	$39.18M
YoY Change	-12.26%	-10.71%	-12.83%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$220.8M	$853.0M	$210.2M
YoY Change	5.03%	-1.82%	-5.94%
Income Tax	$57.15M	$220.6M	$52.03M
% Of Pretax Income	25.89%	25.86%	24.75%
Net Earnings	$163.6M	$632.4M	$158.2M
YoY Change	3.44%	-1.39%	-3.89%
Net Earnings / Revenue	32.23%	32.0%	33.67%
Basic Earnings Per Share	$0.19	$0.73	$0.18
Diluted Earnings Per Share	$0.19	$0.72	$0.18
COMMON SHARES
Basic Shares Outstanding	810.0M shares	819.9M shares
Diluted Shares Outstanding		833.1M shares

Balance Sheet

Concept	2014 Q4	2014	2013 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$1.221B		$1.001B
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$616.4M	$616.0M	$634.7M
YoY Change	-2.88%	-2.99%	2.82%
Goodwill	$522.5M		$444.3M
YoY Change	17.62%		0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$66.30B	$66.30B	$59.47B
YoY Change	11.49%	11.49%	5.9%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$1.172B	$1.172B	$913.0M
YoY Change	28.37%	28.37%	-21.02%
Deferred Revenue
YoY Change
Short-Term Debt	$2.397B	$1.072B	$2.352B
YoY Change	1.91%	94.2%	298.79%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.172B	$1.172B	$913.0M
YoY Change	28.37%	28.37%	-21.02%
LONG-TERM LIABILITIES
Long-Term Debt	$4.336B	$3.578B	$2.458B
YoY Change	76.4%	46.04%	81.27%
Other Long-Term Liabilities	$332.0M	$332.0M	$147.0M
YoY Change	125.85%	125.85%
Total Long-Term Liabilities	$4.668B	$3.910B	$2.605B
YoY Change	79.19%	50.56%	92.11%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.172B	$1.172B	$913.0M
Total Long-Term Liabilities	$4.668B	$3.910B	$2.605B
Total Liabilities	$59.97B	$59.97B	$53.38B
YoY Change	12.35%	12.35%	5.98%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.052B		-$1.479B
YoY Change	-28.86%		-22.87%
Common Stock	$8.131M		$8.322M
YoY Change	-2.3%		-1.41%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$13.38M		$9.643M
YoY Change	38.77%		-11.7%
Treasury Stock Shares	1.682M shares		1.254M shares
Shareholders Equity	$6.328B	$6.328B	$6.090B
YoY Change
Total Liabilities & Shareholders Equity	$66.30B	$66.30B	$59.47B
YoY Change	11.49%	11.49%	5.9%

Cashflow Statement

Concept	2014 Q4	2014	2013 Q4
OPERATING ACTIVITIES
Net Income	$163.6M	$632.4M	$158.2M
YoY Change	3.44%	-1.39%	-3.89%
Depreciation, Depletion And Amortization	$93.80M	$332.8M	$71.20M
YoY Change	31.74%	18.22%	6.91%
Cash From Operating Activities	$259.6M	$888.8M	$199.9M
YoY Change	29.86%	-12.28%	-38.94%
INVESTING ACTIVITIES
Capital Expenditures	-$27.30M	$58.86M	-$13.10M
YoY Change	108.4%	-42.41%	-71.95%
Acquisitions		-$691.6M
YoY Change
Other Investing Activities	-$1.444B	-$6.074M	-$3.014B
YoY Change	-52.1%	39.79%	-622.97%
Cash From Investing Activities	-$1.471B	-$5.005B	-$3.028B
YoY Change	-51.41%	18.03%	-671.77%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$331.8M
YoY Change		165.48%
Debt Paid & Issued, Net		$198.9M
YoY Change		94.86%
Cash From Financing Activities	1.552B	$4.335B	2.721B
YoY Change	-42.95%	46.2%	-794.51%
NET CHANGE
Cash From Operating Activities	259.6M	$888.8M	199.9M
Cash From Investing Activities	-1.471B	-$5.005B	-3.028B
Cash From Financing Activities	1.552B	$4.335B	2.721B
Net Change In Cash	340.7M	$219.4M	-106.5M
YoY Change	-419.91%	-183.86%	-122.9%
FREE CASH FLOW
Cash From Operating Activities	$259.6M	$888.8M	$199.9M
Capital Expenditures	-$27.30M	$58.86M	-$13.10M
Free Cash Flow	$286.9M	$829.9M	$213.0M
YoY Change	34.69%	-8.9%	-43.06%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2013	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	14400000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	2300000	USD
CY2014	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	3500000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	1800000	USD
CY2013Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	1001132000	USD
CY2014	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2014Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	810025677	shares
CY2014	dei	Amendment Flag AmendmentFlag	false
CY2014Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	1220565000	USD
CY2014	dei	Document Period End Date DocumentPeriodEndDate	2014-12-31
CY2014	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	852985000	USD
CY2012	us-gaap	Noninterest Income NoninterestIncome	1106321000	USD
CY2012	us-gaap	Noninterest Expense NoninterestExpense	1835876000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2965414000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	202291000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-63192000	USD
CY2014Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	64559000	USD
CY2014Q4	us-gaap	Loans Receivable Held For Sale Net LoansReceivableHeldForSaleNet	416327000	USD
CY2014Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	9384670000	USD
CY2014Q4	us-gaap	Loans Receivable Commercial And Industrial LoansReceivableCommercialAndIndustrial	19033146000	USD
CY2014Q4	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	5197403000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Consumer Home Equity LoansAndLeasesReceivableConsumerHomeEquity	8490915000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Consumer Mortgage LoansAndLeasesReceivableConsumerMortgage	5830609000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Consumer Other LoansAndLeasesReceivableConsumerOther	413751000	USD
CY2014Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	1718436000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	616407000	USD
CY2014Q4	us-gaap	Goodwill Goodwill	522541000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	74671000	USD
CY2014Q4	us-gaap	Other Assets OtherAssets	1807208000	USD
CY2014Q4	us-gaap	Assets Assets	66298010000	USD
CY2014Q4	us-gaap	Deposits Deposits	51732151000	USD
CY2014Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	2397101000	USD
CY2014Q4	us-gaap	Other Liabilities OtherLiabilities	1504626000	USD
CY2014Q4	us-gaap	Liabilities Liabilities	59969840000	USD
CY2014Q4	us-gaap	Common Stock Value CommonStockValue	8131000	USD
CY2014Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	7221745000	USD
CY2014Q4	us-gaap	Treasury Stock Value TreasuryStockValue	13382000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-222292000	USD
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1052324000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	66298010000	USD
CY2014Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	813136321	shares
CY2014Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	811454676	shares
CY2014Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1681645	shares
CY2014Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	1967071	shares
CY2014Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	398007	shares
CY2013Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	398007	shares
CY2013Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	1967071	shares
CY2013Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1253671	shares
CY2013Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	830963427	shares
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CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1479324000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-214009000	USD
CY2013Q4	us-gaap	Treasury Stock Value TreasuryStockValue	9643000	USD
CY2013Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	7398515000	USD
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	8322000	USD
CY2013Q4	us-gaap	Other Liabilities OtherLiabilities	1059888000	USD
CY2013Q4	us-gaap	Long Term Debt LongTermDebt	2458272000	USD
CY2013Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	2352143000	USD
CY2013Q4	us-gaap	Other Assets OtherAssets	1609876000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	93193000	USD
CY2013Q4	us-gaap	Goodwill Goodwill	444268000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	634657000	USD
CY2013Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	1647170000	USD
CY2013Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	7308753000	USD
CY2013Q4	us-gaap	Loans Receivable Held For Sale Net LoansReceivableHeldForSaleNet	326212000	USD
CY2013Q4	us-gaap	Trading Securities TradingSecurities	35573000	USD
CY2013Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	57043000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	6328170000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	6090153000	USD
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2014Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	6617808	shares
CY2013Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	6617808	shares
CY2014Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	354888000	USD
CY2013Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	278928000	USD
CY2014Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	50617000	USD
CY2014Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Liabilities VariableInterestEntityConsolidatedCarryingAmountLiabilities	0	USD
CY2013Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	52286000	USD
CY2013Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Liabilities VariableInterestEntityConsolidatedCarryingAmountLiabilities	0	USD
CY2014Q4	hban	Loans And Leases Receivable Automobile LoansAndLeasesReceivableAutomobile	8689902000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	47655726000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	605196000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	47050530000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	647870000	USD
CY2014Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2014Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	15393226000	USD
CY2014Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	35937873000	USD
CY2014Q4	us-gaap	Deposits Foreign DepositsForeign	401052000	USD
CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1500000000	shares
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1500000000	shares
CY2014Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	3379905000	USD
CY2013Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	3836667000	USD
CY2014Q4	us-gaap	Trading Securities TradingSecurities	42191000	USD
CY2014	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	1674563000	USD
CY2013	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	1629939000	USD
CY2012	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	1675295000	USD
CY2013	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	148557000	USD
CY2012	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	184340000	USD
CY2014	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	28965000	USD
CY2013	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	12678000	USD
CY2012	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	8999000	USD
CY2014	us-gaap	Interest And Dividend Income Securities Held To Maturity InterestAndDividendIncomeSecuritiesHeldToMaturity	88724000	USD
CY2013	us-gaap	Interest And Dividend Income Securities Held To Maturity InterestAndDividendIncomeSecuritiesHeldToMaturity	50214000	USD
CY2012	us-gaap	Interest And Dividend Income Securities Held To Maturity InterestAndDividendIncomeSecuritiesHeldToMaturity	24088000	USD
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CY2013	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	19249000	USD
CY2012	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	37541000	USD
CY2014	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1976462000	USD
CY2013	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1860637000	USD
CY2012	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1930263000	USD
CY2014	us-gaap	Interest Expense Deposits InterestExpenseDeposits	86453000	USD
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CY2012	us-gaap	Interest Expense Deposits InterestExpenseDeposits	162167000	USD
CY2014	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	2940000	USD
CY2013	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	700000	USD
CY2012	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	2048000	USD
CY2014	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	1011000	USD
CY2013	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	1077000	USD
CY2012	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	819000	USD
CY2014	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	48917000	USD
CY2013	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	38011000	USD
CY2012	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	54705000	USD
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CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	843974000	shares
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	22946000	USD
CY2013	us-gaap	Interest Expense InterestExpense	156029000	USD
CY2012	us-gaap	Interest Expense InterestExpense	219739000	USD
CY2014	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1837141000	USD
CY2013	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1704608000	USD
CY2012	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1710524000	USD
CY2014	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	80989000	USD
CY2013	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	90045000	USD
CY2014	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	1756152000	USD
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CY2014	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	126004000	USD
CY2013	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	138825000	USD
CY2012	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	137707000	USD
CY2014	us-gaap	Noninterest Income NoninterestIncome	979179000	USD
CY2013	us-gaap	Noninterest Income NoninterestIncome	1012196000	USD
CY2013	us-gaap	Other Noninterest Expense OtherNoninterestExpense	141385000	USD
CY2014	us-gaap	Other Noninterest Expense OtherNoninterestExpense	174810000	USD
CY2014	us-gaap	Noninterest Expense NoninterestExpense	1882346000	USD
CY2013	us-gaap	Noninterest Expense NoninterestExpense	1758003000	USD
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CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	227474000	USD
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CY2013	us-gaap	Net Income Loss NetIncomeLoss	641282000	USD
CY2014	us-gaap	Dividends Preferred Stock DividendsPreferredStock	31854000	USD
CY2013	us-gaap	Dividends Preferred Stock DividendsPreferredStock	31869000	USD
CY2012	us-gaap	Dividends Preferred Stock DividendsPreferredStock	31989000	USD
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CY2013	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	609413000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	599301000	USD
CY2014	hban	Impairment Losses On Investment Securities ImpairmentLossesOnInvestmentSecurities	0	USD
CY2013	hban	Impairment Losses On Investment Securities ImpairmentLossesOnInvestmentSecurities	1870000	USD
CY2012	hban	Impairment Losses On Investment Securities ImpairmentLossesOnInvestmentSecurities	1886000	USD
CY2014	hban	Noncredit Related Losses On Securities Not Expected To Be Sold NoncreditRelatedLossesOnSecuritiesNotExpectedToBeSold	0	USD
CY2013	hban	Noncredit Related Losses On Securities Not Expected To Be Sold NoncreditRelatedLossesOnSecuritiesNotExpectedToBeSold	68000	USD
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CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.73
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.73
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.7
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.72
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.72
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.69
CY2014	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.21
CY2013	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.19
CY2012	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.16
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	819917000	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	834205000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	857962000	shares
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	833081000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	863402000	shares
CY2014	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	273741000	USD
CY2014	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	115972000	USD
CY2014	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	105401000	USD
CY2013	hban	Capital Markets Fee Income CapitalMarketsFeeIncome	45220000	USD
CY2014	hban	Electronic Banking ElectronicBanking	84887000	USD
CY2014	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	21091000	USD
CY2014	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	57048000	USD
CY2014	hban	Capital Markets Fee Income CapitalMarketsFeeIncome	43731000	USD
CY2013	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	92591000	USD
CY2013	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	123007000	USD
CY2013	hban	Electronic Banking ElectronicBanking	126855000	USD
CY2013	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	18171000	USD
CY2013	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	56419000	USD
CY2013	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	271802000	USD
CY2012	hban	Electronic Banking ElectronicBanking	191092000	USD
CY2012	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	58182000	USD
CY2012	hban	Capital Markets Fee Income CapitalMarketsFeeIncome	48160000	USD
CY2012	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	82290000	USD
CY2012	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	121897000	USD
CY2012	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	56042000	USD
CY2012	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	262179000	USD
CY2012	us-gaap	Labor And Related Expense LaborAndRelatedExpense	988193000	USD
CY2012	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	190255000	USD
CY2012	us-gaap	Occupancy Net OccupancyNet	111160000	USD
CY2012	us-gaap	Equipment Expense EquipmentExpense	102947000	USD
CY2013	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1001637000	USD
CY2013	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	199547000	USD
CY2013	us-gaap	Occupancy Net OccupancyNet	125344000	USD
CY2013	us-gaap	Equipment Expense EquipmentExpense	106793000	USD
CY2014	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1048775000	USD
CY2014	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	212586000	USD
CY2014	us-gaap	Occupancy Net OccupancyNet	128076000	USD
CY2014	us-gaap	Equipment Expense EquipmentExpense	119663000	USD
CY2014	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	17554000	USD
CY2013	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	2220000	USD
CY2012	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	6388000	USD
CY2014	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0	USD
CY2013	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	1802000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	45783000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	6611000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-69457000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	624109000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	80176000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-77593000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-65928000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	578090000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	654236000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-51035000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	6186000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	55305000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Writedown Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax	12490000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Writedown Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax	153000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Writedown Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax	8780000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-8283000	USD
CY2014	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	171692000	USD
CY2014	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	15513000	USD
CY2014	us-gaap	Stockholders Equity Other StockholdersEquityOther	1557000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	43666000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1115968000	USD
CY2013	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	158194000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	37007000	USD
CY2013	us-gaap	Stockholders Equity Other StockholdersEquityOther	374000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	5778500000	USD
CY2012	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	136887000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	27873000	USD
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-1125000	USD
CY2010Q4	us-gaap	Stockholders Equity StockholdersEquity	5416121000	USD
CY2014	us-gaap	Depreciation And Amortization DepreciationAndAmortization	332832000	USD
CY2014	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	2419007000	USD
CY2014	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	2385596000	USD
CY2014	us-gaap	Proceeds From Payments For In Interest Bearing Deposits In Banks ProceedsFromPaymentsForInInterestBearingDepositsInBanks	-7516000	USD
CY2014	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1480505000	USD
CY2014	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	452785000	USD
CY2014	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	1152907000	USD
CY2014	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	4553857000	USD
CY2014	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
CY2014	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	353811000	USD
CY2014	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	4232350000	USD
CY2014	hban	Proceeds From Sale Of Operating Lease Assets ProceedsFromSaleOfOperatingLeaseAssets	17591000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	58862000	USD
CY2014	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	38479000	USD
CY2014	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-6074000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5004781000	USD
CY2014	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	2923928000	USD
CY2014	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	118698000	USD
CY2014	us-gaap	Maturities Of Subordinated Debt MaturitiesOfSubordinatedDebt	0	USD
CY2014	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	0	USD
CY2014	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	0	USD
CY2014	hban	Repurchase Of Warrant Convertible To Common Stock RepurchaseOfWarrantConvertibleToCommonStock	0	USD
CY2014	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	31854000	USD
CY2014	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	166935000	USD
CY2014	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	4635000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	219433000	USD
CY2014	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	0	USD
CY2014	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	2000000000	USD
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	139918000	USD
CY2014Q4	hban	Trust Preferred Securities Exchange TrustPreferredSecuritiesExchange	0	USD
CY2013	us-gaap	Depreciation And Amortization DepreciationAndAmortization	281545000	USD
CY2013	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	2845275000	USD
CY2013	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	3017430000	USD
CY2013	us-gaap	Proceeds From Payments For In Interest Bearing Deposits In Banks ProceedsFromPaymentsForInInterestBearingDepositsInBanks	146584000	USD
CY2013	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1414114000	USD
CY2013	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	278136000	USD
CY2013	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	410106000	USD
CY2013	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	1416795000	USD
CY2013	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	2081373000	USD
CY2013	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	459006000	USD
CY2013	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	3386753000	USD
CY2013	hban	Proceeds From Sale Of Operating Lease Assets ProceedsFromSaleOfOperatingLeaseAssets	10227000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	102208000	USD
CY2013	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	40448000	USD
CY2013	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-4345000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4240333000	USD
CY2013	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1258038000	USD
CY2013	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	854558000	USD
CY2013	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	0	USD
CY2013	us-gaap	Maturities Of Subordinated Debt MaturitiesOfSubordinatedDebt	0	USD
CY2013	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	0	USD
CY2013	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	0	USD
CY2013	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	1250000000	USD
CY2013	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	102086000	USD
CY2013	hban	Repurchase Of Warrant Convertible To Common Stock RepurchaseOfWarrantConvertibleToCommonStock	0	USD
CY2013	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	31869000	USD
CY2013	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	150608000	USD
CY2013	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-225000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-261674000	USD
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	109432000	USD
CY2013Q4	hban	Trust Preferred Securities Exchange TrustPreferredSecuritiesExchange	0	USD
CY2012	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1776594000	USD
CY2012	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	113576000	USD
CY2012	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	957930000	USD
CY2012	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	2384824000	USD
CY2012	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	941119000	USD
CY2012	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	3092643000	USD
CY2012	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	3287000000	USD
CY2012	hban	Proceeds From Sale Of Operating Lease Assets ProceedsFromSaleOfOperatingLeaseAssets	30322000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	129641000	USD
CY2012	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	56762000	USD
CY2012	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-4698000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1082978000	USD
CY2012	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	2262213000	USD
CY2012	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-939979000	USD
CY2012	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	0	USD
CY2012	us-gaap	Maturities Of Subordinated Debt MaturitiesOfSubordinatedDebt	0	USD
CY2012	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	0	USD
CY2012	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	0	USD
CY2012	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	2515000000	USD
CY2012	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	3290095000	USD
CY2012	hban	Repurchase Of Warrant Convertible To Common Stock RepurchaseOfWarrantConvertibleToCommonStock	0	USD
CY2012	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	31719000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	137616000	USD
CY2012	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-3237000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	227686000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	146838000	USD
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	6389000	USD
CY2011Q4	hban	Trust Preferred Securities Exchange TrustPreferredSecuritiesExchange	0	USD
CY2014Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	54143000	USD
CY2013Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	47898000	USD
CY2011Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	47312000	USD
CY2012	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	11217000	USD
CY2013	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	16170000	USD
CY2014	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	345039000	USD
CY2012	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	484157000	USD
CY2012	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	306261000	USD
CY2014	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	96643000	USD
CY2013	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	53360000	USD
CY2014	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	691637000	USD
CY2013	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2012	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	40258000	USD
CY2013	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-55632000	USD
CY2014	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	6618000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	27873000	USD
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	43666000	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	37007000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	106022000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	35174000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	159938000	USD
CY2012	hban	Gain On Sale Of Loans Held For Sale GainOnSaleOfLoansHeldForSale	60251000	USD
CY2014	hban	Gain On Sale Of Loans Held For Sale GainOnSaleOfLoansHeldForSale	25392000	USD
CY2013	hban	Gain On Sale Of Loans Held For Sale GainOnSaleOfLoansHeldForSale	44787000	USD
CY2014	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	0	USD
CY2013	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	0	USD
CY2013	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	2220000	USD
CY2014	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	17554000	USD
CY2012	hban	Accrued Income And Other Assets AccruedIncomeAndOtherAssets	-458328000	USD
CY2014	hban	Accrued Income And Other Assets AccruedIncomeAndOtherAssets	438366000	USD
CY2013	hban	Accrued Income And Other Assets AccruedIncomeAndOtherAssets	-10500000	USD
CY2013	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-335738000	USD
CY2012	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-491811000	USD
CY2012	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	-148881000	USD
CY2014	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	-334429000	USD
CY2013	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	-124995000	USD
CY2013	us-gaap	Interest Paid InterestPaid	155832000	USD
CY2014	us-gaap	Interest Paid InterestPaid	131488000	USD
CY2012	us-gaap	Interest Paid InterestPaid	231897000	USD
CY2014	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	45240000	USD
CY2013	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	307303000	USD
CY2012	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0	USD
CY2014Q4	hban	Transfer Of Portfolio Loans And Leases To Available For Sale Securities TransferOfPortfolioLoansAndLeasesToAvailableForSaleSecurities	0	USD
CY2013Q4	hban	Transfer Of Portfolio Loans And Leases To Available For Sale Securities TransferOfPortfolioLoansAndLeasesToAvailableForSaleSecurities	600435000	USD
CY2011Q4	hban	Transfer Of Portfolio Loans And Leases To Available For Sale Securities TransferOfPortfolioLoansAndLeasesToAvailableForSaleSecurities	0	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1220565000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1001132000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1262806000	USD
CY2012	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2013	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2014	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	3000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1013245000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1002130000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	178700000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	192900000	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Receivable Current CapitalLeasesFutureMinimumPaymentsReceivableCurrent	300000000	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Receivable In Two Years CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears	200000000	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Receivable In Three Years CapitalLeasesFutureMinimumPaymentsReceivableInThreeYears	200000000	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Receivable In Four Years CapitalLeasesFutureMinimumPaymentsReceivableInFourYears	100000000	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Receivable In Five Years CapitalLeasesFutureMinimumPaymentsReceivableInFiveYears	100000000	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Receivable Due Thereafter CapitalLeasesFutureMinimumPaymentsReceivableDueThereafter	200000000	USD
CY2014Q4	us-gaap	Capital Leases Future Minimum Payments Receivable CapitalLeasesFutureMinimumPaymentsReceivable	1100000000	USD
CY2014	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	20600000	USD
CY2013	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	23400000	USD
CY2012	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	40400000	USD
CY2012	hban	Loans And Leases Receivable Impaired Interest Lost On Troubled Debt Restructured Loans LoansAndLeasesReceivableImpairedInterestLostOnTroubledDebtRestructuredLoans	41200000	USD
CY2013	hban	Loans And Leases Receivable Impaired Interest Lost On Troubled Debt Restructured Loans LoansAndLeasesReceivableImpairedInterestLostOnTroubledDebtRestructuredLoans	43900000	USD
CY2014	hban	Loans And Leases Receivable Impaired Interest Lost On Troubled Debt Restructured Loans LoansAndLeasesReceivableImpairedInterestLostOnTroubledDebtRestructuredLoans	45000000	USD
CY2014	hban	Loans And Leases Receivable Interest Income Recorded On Nonaccrual Loans LoansAndLeasesReceivableInterestIncomeRecordedOnNonaccrualLoans	8400000	USD
CY2013	hban	Loans And Leases Receivable Interest Income Recorded On Nonaccrual Loans LoansAndLeasesReceivableInterestIncomeRecordedOnNonaccrualLoans	5000000	USD
CY2012	hban	Loans And Leases Receivable Interest Income Recorded On Nonaccrual Loans LoansAndLeasesReceivableInterestIncomeRecordedOnNonaccrualLoans	4800000	USD
CY2012	us-gaap	Loans And Leases Receivable Impaired Troubled Debt Interest Income LoansAndLeasesReceivableImpairedTroubledDebtInterestIncome	32200000	USD
CY2013	us-gaap	Loans And Leases Receivable Impaired Troubled Debt Interest Income LoansAndLeasesReceivableImpairedTroubledDebtInterestIncome	35700000	USD
CY2014	us-gaap	Loans And Leases Receivable Impaired Troubled Debt Interest Income LoansAndLeasesReceivableImpairedTroubledDebtInterestIncome	38600000	USD
CY2014Q4	hban	Amount Guaranteed By Government AmountGuaranteedByGovernment	55012000	USD
CY2013Q4	hban	Amount Guaranteed By Government AmountGuaranteedByGovernment	87985000	USD
CY2014	hban	Loans With Outstanding Balance Which Evaluated On Quarterly Basis For Impairment LoansWithOutstandingBalanceWhichEvaluatedOnQuarterlyBasisForImpairment	1000000	USD
CY2014	hban	Redefault Status Number Of Days RedefaultStatusNumberOfDays	90
CY2014Q4	us-gaap	Loans And Leases Receivable Collateral For Secured Borrowings LoansAndLeasesReceivableCollateralForSecuredBorrowings	18000000000	USD
CY2014Q4	us-gaap	Certain Loans Acquired In Transfer Accretable Yield CertainLoansAcquiredInTransferAccretableYield	0	USD
CY2014Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	19388000	USD
CY2013Q4	us-gaap	Certain Loans Acquired In Transfer Accretable Yield CertainLoansAcquiredInTransferAccretableYield	0	USD
CY2014	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	4878000	USD
CY2014Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount Net CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet	61031000	USD
CY2014Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	124091000	USD
CY2013Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount Net CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet	120226000	USD
CY2013Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	209567000	USD
CY2014	us-gaap	Financing Receivable Significant Purchases FinancingReceivableSignificantPurchases	345039000	USD
CY2013	us-gaap	Financing Receivable Significant Purchases FinancingReceivableSignificantPurchases	109723000	USD
CY2013	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	436031000	USD
CY2014	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	368101000	USD
CY2014Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	300244000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	322056000	USD
CY2013Q4	hban	Ulc Balance Beginning Of Period ULCBalanceBeginningOfPeriod	62899000	USD
CY2014	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	246601000	USD
CY2014	hban	Recoveries Of Loans Previously Chargedoff RecoveriesOfLoansPreviouslyChargedoff	121974000	USD
CY2014	hban	Provision For Loan And Lease Losse ProvisionForLoanAndLeaseLosse	83082000	USD
CY2014	hban	Allowance For Loans Sold Or Transferred To Loans Held For Sale AllowanceForLoansSoldOrTransferredToLoansHeldForSale	1129000	USD
CY2014	hban	Provision For Unfunded Loan Commitments And Letters Of Credit ProvisionForUnfundedLoanCommitmentsAndLettersOfCredit	-2093000	USD
CY2014Q4	hban	Aulc Balance End Of Period AulcBalanceEndOfPeriod	60806000	USD
CY2014Q4	hban	Acl Balance End Of Period AclBalanceEndOfPeriod	666002000	USD
CY2013	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	306316000	USD
CY2013	hban	Recoveries Of Loans Previously Chargedoff RecoveriesOfLoansPreviouslyChargedoff	117650000	USD
CY2013	hban	Provision For Loan And Lease Losse ProvisionForLoanAndLeaseLosse	67797000	USD
CY2013	hban	Allowance For Loans Sold Or Transferred To Loans Held For Sale AllowanceForLoansSoldOrTransferredToLoansHeldForSale	336000	USD
CY2013	hban	Provision For Unfunded Loan Commitments And Letters Of Credit ProvisionForUnfundedLoanCommitmentsAndLettersOfCredit	22248000	USD
CY2013Q4	hban	Aulc Balance End Of Period AulcBalanceEndOfPeriod	62899000	USD
CY2013Q4	hban	Acl Balance End Of Period AclBalanceEndOfPeriod	710769000	USD
CY2011Q4	hban	Ulc Balance Beginning Of Period ULCBalanceBeginningOfPeriod	40651000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	769075000	USD
CY2010Q4	hban	Ulc Balance Beginning Of Period ULCBalanceBeginningOfPeriod	48456000	USD
CY2012	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	455200000	USD
CY2012	hban	Recoveries Of Loans Previously Chargedoff RecoveriesOfLoansPreviouslyChargedoff	112738000	USD
CY2012	hban	Provision For Loan And Lease Losse ProvisionForLoanAndLeaseLosse	155193000	USD
CY2012	hban	Allowance For Loans Sold Or Transferred To Loans Held For Sale AllowanceForLoansSoldOrTransferredToLoansHeldForSale	8484000	USD
CY2012	hban	Provision For Unfunded Loan Commitments And Letters Of Credit ProvisionForUnfundedLoanCommitmentsAndLettersOfCredit	-7805000	USD
CY2011Q4	hban	Aulc Balance End Of Period AulcBalanceEndOfPeriod	40651000	USD
CY2011Q4	hban	Acl Balance End Of Period AclBalanceEndOfPeriod	809726000	USD
CY2010Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	964828000	USD
CY2014Q4	hban	Automobile Loans Including Hfs Securitization AutomobileLoansIncludingHFSSecuritization	8689902000	USD
CY2013Q4	hban	Automobile Loans Including Hfs Securitization AutomobileLoansIncludingHFSSecuritization	6638713000	USD
CY2014Q4	us-gaap	Financing Receivable Allowance For Credit Losses Acquired With Deteriorated Credit Quality FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality	4099000	USD
CY2014Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	526854000	USD
CY2014Q4	us-gaap	Financing Receivable Acquired With Deteriorated Credit Quality FinancingReceivableAcquiredWithDeterioratedCreditQuality	63562000	USD
CY2014Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	1148978000	USD
CY2014Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	46443186000	USD
CY2014Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	1063224000	USD
CY2014Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	149316000	USD
CY2014Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	1212540000	USD
CY2014	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	1366329000	USD
CY2014Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	78342000	USD
CY2014Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	74243000	USD
CY2013Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	584990000	USD
CY2013Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	41988553000	USD
CY2013Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	60440000	USD
CY2013Q4	us-gaap	Financing Receivable Allowance For Credit Losses Acquired With Deteriorated Credit Quality FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality	2440000	USD
CY2013Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	1011721000	USD
CY2013Q4	us-gaap	Financing Receivable Acquired With Deteriorated Credit Quality FinancingReceivableAcquiredWithDeterioratedCreditQuality	120226000	USD
CY2013Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	952003000	USD
CY2013Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	179944000	USD
CY2013Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	1131947000	USD
CY2013	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	1115320000	USD
CY2013Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	62880000	USD
CY2013Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	155400000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	355486000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	1047492000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	1517974000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	6090688000	USD
CY2014Q4	hban	Available For Sale Securities Non Marketable Equity Securities Amortized Cost AvailableForSaleSecuritiesNonMarketableEquitySecuritiesAmortizedCost	331559000	USD
CY2014Q4	hban	Available For Sale Securities Marketable Equity Securities Amortized Cost AvailableForSaleSecuritiesMarketableEquitySecuritiesAmortizedCost	16687000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	355465000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	1066041000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	1527195000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	6086980000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	1665644000	USD
CY2013Q4	hban	Available For Sale Securities Non Marketable Equity Securities Amortized Cost AvailableForSaleSecuritiesNonMarketableEquitySecuritiesAmortizedCost	320991000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	3662328000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	263366000	USD
CY2013Q4	hban	Available For Sale Securities Marketable Equity Securities Amortized Cost AvailableForSaleSecuritiesMarketableEquitySecuritiesAmortizedCost	16522000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	1440056000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	1697234000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	262752000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	3577502000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	1433303000	USD
CY2014Q4	hban	Available For Sale Securities Marketable Equity Securities Fair Value AvailableForSaleSecuritiesMarketableEquitySecuritiesFairValue	17430000	USD
CY2013Q4	hban	Available For Sale Securities Marketable Equity Securities Fair Value AvailableForSaleSecuritiesMarketableEquitySecuritiesFairValue	16971000	USD
CY2014	us-gaap	Available For Sale Securities Gross Unrealized Loss AvailableForSaleSecuritiesGrossUnrealizedLoss	-92770000	USD
CY2014Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	9359886000	USD
CY2013	us-gaap	Available For Sale Securities Gross Unrealized Loss AvailableForSaleSecuritiesGrossUnrealizedLoss	-152696000	USD
CY2013Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	7368907000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	1063142000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	2500502000	USD
CY2014	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	-79821000	USD
CY2014	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	-12949000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	1437360000	USD
CY2013Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	178956000	USD
CY2013Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	2901644000	USD
CY2013	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	-67184000	USD
CY2013	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	-85512000	USD
CY2013Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	2722688000	USD
CY2014	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	17729000	USD
CY2013	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	2932000	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	8612000	USD
CY2014	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	175000	USD
CY2013	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	712000	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	2224000	USD
CY2014	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	17554000	USD
CY2013	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	2220000	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	6388000	USD
CY2014Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	182924000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	124664000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	133240000	USD
CY2013Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	212968000	USD
CY2014Q4	hban	Available For Sale Securities Transferred To Held To Maturity Securities AvailableForSaleSecuritiesTransferredToHeldToMaturitySecurities	0	USD
CY2013Q4	hban	Available For Sale Securities Transferred To Held To Maturity Securities AvailableForSaleSecuritiesTransferredToHeldToMaturitySecurities	292200000	USD
CY2014	hban	Unrealized Net Losses Recognized In Oci At Time Of Transfer Of Available For Sale Securities Transferred To Held To Maturity Securities UnrealizedNetLossesRecognizedInOciAtTimeOfTransferOfAvailableForSaleSecuritiesTransferredToHeldToMaturitySecurities	0	USD
CY2013	hban	Unrealized Net Losses Recognized In Oci At Time Of Transfer Of Available For Sale Securities Transferred To Held To Maturity Securities UnrealizedNetLossesRecognizedInOciAtTimeOfTransferOfAvailableForSaleSecuritiesTransferredToHeldToMaturitySecurities	0	USD
CY2014Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	3382715000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	3760898000	USD
CY2014Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	26083000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	6349000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	-82118000	USD
CY2014Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	-23273000	USD
CY2014Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	-6135000	USD
CY2014Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	752484000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	3001774000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	-79766000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	22548000	USD
CY2014Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	693757000	USD
CY2014Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	-17138000	USD
CY2014Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	1446241000	USD
CY2014Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	-23273000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	-2352000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	3024322000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	-82118000	USD
CY2013Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	34236000	USD
CY2011Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	35202000	USD
CY2014	hban	Time Decay TimeDecay	2232000	USD
CY2013	hban	Time Decay TimeDecay	2648000	USD
CY2013	hban	Servicing Asset At Fair Value Payoffs ServicingAssetAtFairValuePayoffs	11851000	USD
CY2014	hban	Servicing Asset At Fair Value Payoffs ServicingAssetAtFairValuePayoffs	5814000	USD
CY2014	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-3404000	USD
CY2013	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	13533000	USD
CY2014Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	22786000	USD
CY2014	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of Other Than10 Or20 Percent Adverse Change In Prepayment Speed Percent SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOfOtherThan10Or20PercentAdverseChangeInPrepaymentSpeedPercent	0.156	pure
CY2014	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of Other Than10 Or20 Percent Adverse Change In Discount Rate Percent SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOfOtherThan10Or20PercentAdverseChangeInDiscountRatePercent	0.0546	pure
CY2014Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	-1176000	USD
CY2014Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	-2248000	USD
CY2014Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInDiscountRate	-699000	USD
CY2014Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInDiscountRate	-1355000	USD
CY2014Q4	hban	Core Deposit Intangible Related To Acquisition CoreDepositIntangibleRelatedToAcquisition	0	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	26329000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	12485000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	11371000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	9890000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	8873000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1367513000	USD
CY2014Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	751106000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	34212000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-97404000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-11750000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	3467000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-13164000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	36110000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Writedown Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesBeforeTax	13583000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-15559000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Writedown Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesBeforeTax	235000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	6211000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Writedown Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesBeforeTax	19215000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-4769000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	5446000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-2174000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	1669000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-10113000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-3100000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-3971000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-15188000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	14992000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	1390000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	5316000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-150817000	USD
CY2013	hban	Accumulated Other Comprehensive Income Period Change AccumulatedOtherComprehensiveIncomePeriodChange	-63192000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-5237000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-2581000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-9872000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	9755000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-8518000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	17558000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-9455000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	4588000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-13106000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	27013000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Writedown Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesTax	-4803000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Writedown Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesTax	-82000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Writedown Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesTax	-6725000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	4037000	USD
CY2014	hban	Accumulated Other Comprehensive Income Period Change AccumulatedOtherComprehensiveIncomePeriodChange	-8283000	USD
CY2014Q4	hban	Unrealized Losses Transferred From Available For Sale Securities Portfolio To Held To Maturity Securities UnrealizedLossesTransferredFromAvailableForSaleSecuritiesPortfolioToHeldToMaturitySecurities	200000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	73868000	USD
CY2014	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-82151000	USD
CY2010	hban	Term To Exercise Warrants Years TermToExerciseWarrantsYears	P10Y
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	600538000	USD
CY2014	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	1420000	shares
CY2014	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	11421000	shares
CY2013	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	1351000	shares
CY2013	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	8418000	shares
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	609413000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	599301000	USD
CY2012	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	1238000	shares
CY2012	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	4202000	shares
CY2014	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	13164000	shares
CY2013	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	9769000	shares
CY2012	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	5440000	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	1.71
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	1.78
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y6M
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0169	pure
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0261	pure
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	2.13
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.323	pure
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.35	pure
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0283	pure
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0079	pure
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.349	pure
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.011	pure
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0238	pure
CY2014	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	43666000	USD
CY2014	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	14779000	USD
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	37007000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	12472000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	27873000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	9298000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	23300000	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	19619000	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	1807000	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	14193000	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	4950000	shares
CY2012	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y11M
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P5Y5M
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y4M
CY2014Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	60311000	USD
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	17.2
CY2014	hban	Share Based Compensation Arrangement By Share Based Payment Award Option Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionExercisesInPeriodWeightedAverageExercisePrice	6.02
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	7.64
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	6.73
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.99
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	7.61
CY2014	hban	Share Based Compensation Arrangement By Share Based Payment Award Option Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionGrantsInPeriodWeightedAverageExercisePrice	9.22
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	14272000	USD
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	75794000	USD
CY2014	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	3528000	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	-2174000	shares
CY2014	hban	Award Vested As Of Grant Date AwardVestedAsOfGrantDate	1	pure
CY2014	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y6M
CY2014Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	19619000	shares
CY2014Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	6.99
CY2014Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	14193000	shares
CY2014Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	6.73
CY2014	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P4Y2M
CY2013	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	200000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	0	USD
CY2014Q4	hban	Current Federal Tax Expense Benefit Securities Transactions CurrentFederalTaxExpenseBenefitSecuritiesTransactions	0	USD
CY2013Q4	hban	Current Federal Tax Expense Benefit Securities Transactions CurrentFederalTaxExpenseBenefitSecuritiesTransactions	0	USD
CY2011Q4	hban	Current Federal Tax Expense Benefit Securities Transactions CurrentFederalTaxExpenseBenefitSecuritiesTransactions	1700000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	50100000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	0	USD
CY2014Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	96300000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Charitable Contribution Carryforwards DeferredTaxAssetsCharitableContributionCarryforwards	0	USD
CY2012	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	100000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	100000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	5400000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	52100000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	0	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	6246000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	5048000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	704000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	468000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1172000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	186436000	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	117174000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	35387000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	6966000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4278000	USD
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-1017000	USD
CY2014	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	185419000	USD
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	121452000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	42353000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	193211000	USD
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	112681000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	41167000	USD
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-5993000	USD
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-6659000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-33273000	USD
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	298545000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	304065000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	291753000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	15752000	USD
CY2013	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	34378000	USD
CY2014	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	17971000	USD
CY2014	hban	Effective Income Tax Reconciliation Tax Exempt Bank Owned Life Insurance Income EffectiveIncomeTaxReconciliationTaxExemptBankOwnedLifeInsuranceIncome	19967000	USD
CY2013	hban	Effective Income Tax Reconciliation Tax Exempt Bank Owned Life Insurance Income EffectiveIncomeTaxReconciliationTaxExemptBankOwnedLifeInsuranceIncome	19747000	USD
CY2012	hban	Effective Income Tax Reconciliation Tax Exempt Bank Owned Life Insurance Income EffectiveIncomeTaxReconciliationTaxExemptBankOwnedLifeInsuranceIncome	19151000	USD
CY2012	us-gaap	Income Tax Reconciliation Deductions Dividends IncomeTaxReconciliationDeductionsDividends	0	USD
CY2013	us-gaap	Income Tax Reconciliation Deductions Dividends IncomeTaxReconciliationDeductionsDividends	0	USD
CY2014	us-gaap	Income Tax Reconciliation Deductions Dividends IncomeTaxReconciliationDeductionsDividends	0	USD
CY2014	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	46047000	USD
CY2013	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	39868000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	49654000	USD
CY2012	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-21251000	USD
CY2013	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-6020000	USD
CY2014	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-7430000	USD
CY2014	us-gaap	Income Tax Reconciliation Disposition Of Assets IncomeTaxReconciliationDispositionOfAssets	-26948000	USD
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CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4152000	USD
CY2013	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4472000	USD
CY2014	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2873000	USD
CY2014	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	3786000	USD
CY2013	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	3060000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1998000	USD
CY2014	us-gaap	Income Tax Reconciliation Nondeductible Expense Amortization IncomeTaxReconciliationNondeductibleExpenseAmortization	33752000	USD
CY2013	us-gaap	Income Tax Reconciliation Nondeductible Expense Amortization IncomeTaxReconciliationNondeductibleExpenseAmortization	16851000	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense Amortization IncomeTaxReconciliationNondeductibleExpenseAmortization	28855000	USD
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CY2014Q4	us-gaap	Deferred Tax Assets Other Tax Carryforwards DeferredTaxAssetsOtherTaxCarryforwards	161548000	USD
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CY2013Q4	hban	Deferred Tax Assets Fair Value Adjustments DeferredTaxAssetsFairValueAdjustments	115874000	USD
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CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	39636000	USD
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CY2013Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	10437000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	9477000	USD
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CY2014Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	47748000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	5178000	USD
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CY2013Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	420908000	USD
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CY2014Q4	hban	Deferred Tax Assets Liabilities Net Before Valuation Allowance DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowance	190504000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	73057000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	111435000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	130570000	USD
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CY2014Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	202298000	USD
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CY2014Q4	hban	Deferred Tax Liabilities Purchase Accounting Adjustments DeferredTaxLiabilitiesPurchaseAccountingAdjustments	17299000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	50266000	USD
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CY2013Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	82345000	USD
CY2013Q4	hban	Deferred Tax Liabilities Purchase Accounting Adjustments DeferredTaxLiabilitiesPurchaseAccountingAdjustments	39578000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	46524000	USD
CY2013Q4	hban	Deferred Tax Liabilities Pension And Other Employee Benefits DeferredTaxLiabilitiesPensionAndOtherEmployeeBenefits	12608000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	33719000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	48007000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	11313000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	24123000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	13552000	USD
CY2014Q4	hban	Deferredtaxassetmarketdiscountonpurchasedcreditimpairedloans Deferredtaxassetmarketdiscountonpurchasedcreditimpairedloans	12215000	USD
CY2013Q4	hban	Deferredtaxassetmarketdiscountonpurchasedcreditimpairedloans Deferredtaxassetmarketdiscountonpurchasedcreditimpairedloans	20671000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	50137000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	30825000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	649020000	USD
CY2013Q4	hban	Fair Value Of Plan Assets Percentage FairValueOfPlanAssetsPercentage	1	pure
CY2014Q4	hban	Fair Value Of Plan Assets Percentage FairValueOfPlanAssetsPercentage	1	pure
CY2014Q4	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	198947000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	90842000	USD
CY2014	hban	Other Comprehensive Income Loss Reclassification Pension And Other Postretirement Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax	240197000	USD
CY2013	hban	Other Comprehensive Income Loss Reclassification Pension And Other Postretirement Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax	166078000	USD
CY2012	hban	Other Comprehensive Income Loss Reclassification Pension And Other Postretirement Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax	262187000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	25788000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	9855000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	14517000	USD
CY2014	hban	Base Pay Contributed To Plan Match BasePayContributedToPlanMatch	Matched participant contributions up to first 4%
CY2014	us-gaap	Defined Benefit Plan Future Amortization Of Prior Service Cost Credit DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit	2000000	USD
CY2014	us-gaap	Defined Benefit Plan Future Amortization Of Gain Loss DefinedBenefitPlanFutureAmortizationOfGainLoss	8400000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	185364000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	156223000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	225680000	USD
CY2013Q4	hban	Pension And Other Postretirement Benefit Plans Accumulated Other Comprehensive Income Loss Before Tax PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossBeforeTax	240345000	USD
CY2011Q4	hban	Pension And Other Postretirement Benefit Plans Accumulated Other Comprehensive Income Loss Before Tax PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossBeforeTax	285177000	USD
CY2013Q4	hban	Pension And Other Postretirement Benefit Plans Accumulated Other Comprehensive Income Loss Tax PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossTax	-84122000	USD
CY2011Q4	hban	Pension And Other Postretirement Benefit Plans Accumulated Other Comprehensive Income Loss Tax PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossTax	-99813000	USD
CY2014Q4	hban	Pension And Other Postretirement Benefit Plans Accumulated Other Comprehensive Income Loss Tax PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossTax	-121522000	USD
CY2014Q4	hban	Pension And Other Postretirement Benefit Plans Accumulated Other Comprehensive Income Loss Before Tax PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossBeforeTax	347202000	USD
CY2014	hban	Federal Agencies Mortgage Backed Securities Transferred To Held To Maturity Securities Portfolio FederalAgenciesMortgageBackedSecuritiesTransferredToHeldToMaturitySecuritiesPortfolio	292200000	USD
CY2014Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	12129100000	USD
CY2014Q4	us-gaap	Interest Rate Derivatives At Fair Value Net InterestRateDerivativesAtFairValueNet	40466000	USD
CY2014Q4	hban	Weighted Average Rate Receive WeightedAverageRateReceive	0.0102	pure
CY2014Q4	hban	Weighted Average Rate Pay WeightedAverageRatePay	0.0025	pure
CY2014Q4	hban	Notional Amount Of Interest Rate Derivatives1 NotionalAmountOfInterestRateDerivatives1	12129100000	USD
CY2014Q4	hban	Interest Rate Caps Sold Value InterestRateCapsSoldValue	0	USD
CY2014Q4	hban	Average Maturity Of Interest Rate Derivative In Years AverageMaturityOfInterestRateDerivativeInYears	2.2
CY2014	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	9192000	USD
CY2013	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-56056000	USD
CY2012	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-3569000	USD
CY2014	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	3971000	USD
CY2013	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	15188000	USD
CY2012	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	-14992000	USD
CY2014Q3	hban	Total Of Automobile Loans Transferred In Securitization Transaction TotalOfAutomobileLoansTransferredInSecuritizationTransaction	1300000000	USD
CY2014Q1	hban	Total Of Automobile Loans Transferred In Securitization Transaction TotalOfAutomobileLoansTransferredInSecuritizationTransaction	1000000000	USD
CY2013Q3	hban	Total Of Automobile Loans Transferred In Securitization Transaction TotalOfAutomobileLoansTransferredInSecuritizationTransaction	1000000000	USD
CY2014	hban	Maximum Year To Defer Payment Of Interest On Debenture MaximumYearToDeferPaymentOfInterestOnDebenture	not exceeding five years
CY2014Q4	hban	Commitments To Limited Partnership Interests CommitmentsToLimitedPartnershipInterests	556900000	USD
CY2013Q4	hban	Commitments To Limited Partnership Interests CommitmentsToLimitedPartnershipInterests	532100000	USD
CY2013Q4	hban	Funded Commitments To Limited Partnership Interests FundedCommitmentsToLimitedPartnershipInterests	380000000	USD
CY2014Q4	hban	Funded Commitments To Limited Partnership Interests FundedCommitmentsToLimitedPartnershipInterests	412500000	USD
CY2014Q4	us-gaap	Variable Interest Entity Nonconsolidated Carrying Amount Liabilities VariableInterestEntityNonconsolidatedCarryingAmountLiabilities	557696000	USD
CY2014Q4	us-gaap	Variable Interest Entity Entity Maximum Loss Exposure Amount VariableInterestEntityEntityMaximumLossExposureAmount	513594000	USD
CY2013Q4	us-gaap	Variable Interest Entity Entity Maximum Loss Exposure Amount VariableInterestEntityEntityMaximumLossExposureAmount	490617000	USD
CY2013Q4	us-gaap	Variable Interest Entity Nonconsolidated Carrying Amount Liabilities VariableInterestEntityNonconsolidatedCarryingAmountLiabilities	522270000	USD
CY2013Q4	us-gaap	Variable Interest Entity Nonconsolidated Carrying Amount Assets VariableInterestEntityNonconsolidatedCarryingAmountAssets	504381000	USD
CY2014Q4	us-gaap	Variable Interest Entity Nonconsolidated Carrying Amount Assets VariableInterestEntityNonconsolidatedCarryingAmountAssets	527513000	USD
CY2014Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	317075000	USD
CY2014	hban	Affordablehousingtaxcreditinvestmentstabletextblock Affordablehousingtaxcreditinvestmentstabletextblock	<div><table style='border-collapse:collapse;' ><tr style='height:12.75pt;' ><td style='width:6.75pt;text-align:center;border-color:Black;min-width:6.75pt;' ></td><td style='width:391.5pt;text-align:center;border-color:Black;min-width:391.5pt;' ></td><td style='width:6.75pt;text-align:center;border-color:Black;min-width:6.75pt;' ></td><td style='width:58.5pt;text-align:center;border-color:Black;min-width:58.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >December 31,</font></td><td style='width:11.25pt;text-align:center;border-color:Black;min-width:11.25pt;' ></td><td style='width:6.75pt;text-align:center;border-color:Black;min-width:6.75pt;' ></td><td style='width:58.5pt;text-align:center;border-color:Black;min-width:58.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >December 31,</font></td></tr><tr style='height:12.75pt;' ><td colspan='2' rowspan='1' style='width:398.25pt;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:398.25pt;' ><font style='font-family:Times New Roman;font-size:8pt;font-style:italic;color:#000000;' >(dollar amounts in thousands)</font></td><td style='width:6.75pt;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:58.5pt;border-bottom-style:solid;border-bottom-width:1;text-align:center;border-color:Black;min-width:58.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >2014</font></td><td style='width:11.25pt;border-bottom-style:solid;border-bottom-width:1;text-align:center;border-color:Black;min-width:11.25pt;' ></td><td style='width:6.75pt;border-bottom-style:solid;border-bottom-width:1;text-align:center;border-color:Black;min-width:6.75pt;' ></td><td style='width:58.5pt;border-bottom-style:solid;border-bottom-width:1;text-align:center;border-color:Black;min-width:58.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >2013</font></td></tr><tr style='height:12.75pt;' ><td colspan='2' rowspan='1' style='width:398.25pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:398.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Affordable housing tax credit investments</font></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:58.5pt;border-top-style:solid;border-top-width:1;text-align:right;border-color:Black;min-width:58.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >576,381</font></td><td style='width:11.25pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:11.25pt;' ></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:58.5pt;border-top-style:solid;border-top-width:1;text-align:right;border-color:Black;min-width:58.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >484,799</font></td></tr><tr style='height:12.75pt;' ><td colspan='2' rowspan='1' style='width:398.25pt;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:398.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Less: amortization</font></td><td style='width:6.75pt;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:58.5pt;border-bottom-style:solid;border-bottom-width:1;text-align:right;border-color:Black;min-width:58.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >(208,098)</font></td><td style='width:11.25pt;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:11.25pt;' ></td><td style='width:6.75pt;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:58.5pt;border-bottom-style:solid;border-bottom-width:1;text-align:right;border-color:Black;min-width:58.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >(167,573)</font></td></tr><tr style='height:12.75pt;' ><td colspan='2' rowspan='1' style='width:398.25pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:398.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Net affordable housing tax credit investments</font></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:58.5pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:right;border-color:#000000;min-width:58.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >368,283</font></td><td style='width:11.25pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:11.25pt;' ></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:58.5pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:right;border-color:#000000;min-width:58.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >317,226</font></td></tr><tr style='height:9pt;' ><td style='width:6.75pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:391.5pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:391.5pt;' ></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:58.5pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:58.5pt;' ></td><td style='width:11.25pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:11.25pt;' ></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:58.5pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:58.5pt;' ></td></tr><tr style='height:12.75pt;' ><td colspan='2' rowspan='1' style='width:398.25pt;text-align:left;border-color:Black;min-width:398.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Unfunded commitments </font></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:58.5pt;text-align:right;border-color:Black;min-width:58.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >154,861</font></td><td style='width:11.25pt;text-align:left;border-color:Black;min-width:11.25pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:58.5pt;text-align:right;border-color:Black;min-width:58.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >134,604</font></td></tr></table></div><p style='line-height:20pt;' /><div><table style='border-collapse:collapse;' ><tr style='height:12.75pt;' ><td style='width:13.5pt;text-align:left;border-color:Black;min-width:13.5pt;' ></td><td style='width:299.25pt;text-align:left;border-color:Black;min-width:299.25pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td colspan='7' rowspan='1' style='width:220.5pt;border-bottom-style:solid;border-bottom-width:1;text-align:center;border-color:Black;min-width:220.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Year Ended December 31,</font></td></tr><tr style='height:12.75pt;' ><td colspan='2' rowspan='1' style='width:312.75pt;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:312.75pt;' ><font style='font-family:Times New Roman;font-size:8pt;font-style:italic;color:#000000;' >(dollar amounts in thousands)</font></td><td style='width:6.75pt;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:center;border-color:Black;min-width:64.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >2014</font></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:center;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:center;border-color:Black;min-width:64.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >2013</font></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;border-top-style:solid;border-top-width:1;border-bottom-style:solid;border-bottom-width:1;text-align:center;border-color:Black;min-width:64.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >2012</font></td></tr><tr style='height:12.75pt;' ><td colspan='2' rowspan='1' style='width:312.75pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:312.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Tax credits and other tax benefits recognized</font></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:64.5pt;border-top-style:solid;border-top-width:1;text-align:right;border-color:Black;min-width:64.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >51,317</font></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:64.5pt;border-top-style:solid;border-top-width:1;text-align:right;border-color:Black;min-width:64.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >55,819</font></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;border-top-style:solid;border-top-width:1;text-align:left;border-color:Black;min-width:6.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:64.5pt;border-top-style:solid;border-top-width:1;text-align:right;border-color:Black;min-width:64.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >55,558</font></td></tr><tr style='height:6pt;' ><td style='width:13.5pt;text-align:left;border-color:Black;min-width:13.5pt;' ></td><td style='width:299.25pt;text-align:left;border-color:Black;min-width:299.25pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td></tr><tr style='height:12.75pt;' ><td colspan='2' rowspan='1' style='width:312.75pt;text-align:left;border-color:Black;min-width:312.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Proportional amortization method</font></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td></tr><tr style='height:12.75pt;' ><td style='width:13.5pt;text-align:left;border-color:Black;min-width:13.5pt;' ></td><td style='width:299.25pt;text-align:left;border-color:Black;min-width:299.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Tax credit amortization expense included in provision for income taxes</font></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:right;border-color:Black;min-width:64.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >39,021</font></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:right;border-color:Black;min-width:64.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >32,789</font></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:right;border-color:Black;min-width:64.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >32,337</font></td></tr><tr style='height:6pt;' ><td style='width:13.5pt;text-align:left;border-color:Black;min-width:13.5pt;' ></td><td style='width:299.25pt;text-align:left;border-color:Black;min-width:299.25pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td></tr><tr style='height:12.75pt;' ><td colspan='2' rowspan='1' style='width:312.75pt;text-align:left;border-color:Black;min-width:312.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Equity method </font></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td></tr><tr style='height:12.75pt;' ><td style='width:13.5pt;text-align:left;border-color:Black;min-width:13.5pt;' ></td><td style='width:299.25pt;text-align:left;border-color:Black;min-width:299.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Tax credit investment losses included in non-interest income</font></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:right;border-color:Black;min-width:64.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >434</font></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:right;border-color:Black;min-width:64.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >1,176</font></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:right;border-color:Black;min-width:64.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >676</font></td></tr><tr style='height:3pt;' ><td style='width:13.5pt;text-align:left;border-color:Black;min-width:13.5pt;' ></td><td style='width:299.25pt;text-align:left;border-color:Black;min-width:299.25pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:6.75pt;text-align:left;border-color:Black;min-width:6.75pt;' ></td><td style='width:64.5pt;text-align:left;border-color:Black;min-width:64.5pt;' ></td></tr></table></div>
CY2014Q4	us-gaap	Deferred Revenue DeferredRevenue	4400000	USD
CY2013Q4	us-gaap	Deferred Revenue DeferredRevenue	2100000	USD
CY2014Q4	hban	Commitments To Sell Residential Real Estate Loans CommitmentsToSellResidentialRealEstateLoans	545000000	USD
CY2013Q4	hban	Commitments To Sell Residential Real Estate Loans CommitmentsToSellResidentialRealEstateLoans	452600000	USD
CY2014	hban	Maturity Period Of Forward Contracts Relating Mortgage Banking Business MaturityPeriodOfForwardContractsRelatingMortgageBankingBusiness	less than one year
CY2014Q4	us-gaap	Loss Contingency Range Of Possible Loss Minimum LossContingencyRangeOfPossibleLossMinimum	0	USD
CY2014Q4	us-gaap	Loss Contingency Range Of Possible Loss Maximum LossContingencyRangeOfPossibleLossMaximum	130000000	USD
CY2014Q4	hban	Recovery From Bank As Form Of Unjust Enrichment RecoveryFromBankAsFormOfUnjustEnrichment	0	USD
CY2014Q4	hban	Direct Damage Claimed By Plantiffs DirectDamageClaimedByPlantiffs	0	USD
CY2014Q4	hban	Bankruptcy Trustee Alleging For Amount BankruptcyTrusteeAllegingForAmount	70000000	USD
CY2014Q4	hban	Preferential Transfer Alleged Bybankruptcy Trustee PreferentialTransferAllegedBybankruptcyTrustee	1200000	USD
CY2014Q4	hban	Fraudulent Transfers Alleged By Bankruptcy Trustee FraudulentTransfersAllegedByBankruptcyTrustee	73000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	50900000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	47700000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	44400000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	41200000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	37900000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	237100000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	459200000	USD
CY2014Q4	hban	Operating Leases Sublease Rentals Current OperatingLeasesSubleaseRentalsCurrent	4000000	USD
CY2014Q4	hban	Operating Leases Sublease Rentals Two Years OperatingLeasesSubleaseRentalsTwoYears	2000000	USD
CY2014Q4	hban	Operating Leases Sublease Rentals Three Years OperatingLeasesSubleaseRentalsThreeYears	1000000	USD
CY2014Q4	hban	Operating Leases Sublease Rentals Four Years OperatingLeasesSubleaseRentalsFourYears	600000	USD
CY2014Q4	hban	Operating Leases Sublease Rentals Five Years OperatingLeasesSubleaseRentalsFiveYears	300000	USD
CY2014Q4	hban	Operating Leases Sublease Rentals Thereafter OperatingLeasesSubleaseRentalsThereafter	500000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	8400000	USD
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	57200000	USD
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	55300000	USD
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	54700000	USD
CY2014Q4	hban	Credit Related To Recoveries In Preference Actions Filed CreditRelatedToRecoveriesInPreferenceActionsFiled	4000000	USD
CY2014Q4	hban	Bankruptcy Trustee Unable To Recover BankruptcyTrusteeUnableToRecover	900000	USD
CY2014Q4	hban	Bankruptcy Court Recommended Judgment Amount Principal BankruptcyCourtRecommendedJudgmentAmountPrincipal	71800000	USD
CY2014Q4	hban	Bankruptcy Court Recommended Judgment Amount Interest BankruptcyCourtRecommendedJudgmentAmountInterest	8800000	USD
CY2014Q4	hban	Amount Bank Could Lend To Single Affiliate AmountBankCouldLendToSingleAffiliate	695600000	USD
CY2014Q4	hban	Average Cash Reserve Deposit Required And Made Federal Reserve Banks AverageCashReserveDepositRequiredAndMadeFederalReserveBanks	200000000	USD
CY2013Q4	hban	Average Cash Reserve Deposit Required And Made Federal Reserve Banks AverageCashReserveDepositRequiredAndMadeFederalReserveBanks	300000000	USD
CY2014Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.04	pure
CY2014Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.08	pure
CY2014Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.04	pure
CY2014Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.06	pure
CY2014Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.1	pure
CY2014Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.05	pure
CY2012	us-gaap	Payments Of Dividends PaymentsOfDividends	169335000	USD
CY2014	hban	Number Of Reporting Segments NumberOfReportingSegments	5
CY2014	hban	Number Of Regional And Commercial Banking Markets NumberOfRegionalAndCommercialBankingMarkets	11
CY2014Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	507625000	USD
CY2014Q4	us-gaap	Interest Expense InterestExpense	34373000	USD
CY2014Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	473252000	USD
CY2014Q4	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2494000	USD
CY2014Q4	us-gaap	Noninterest Income NoninterestIncome	233278000	USD
CY2014Q4	us-gaap	Noninterest Expense NoninterestExpense	483271000	USD
CY2014Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	220765000	USD
CY2014Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	57151000	USD
CY2014Q4	us-gaap	Net Income Loss NetIncomeLoss	163614000	USD
CY2014Q4	us-gaap	Dividends Preferred Stock DividendsPreferredStock	7963000	USD
CY2014Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	155651000	USD
CY2014Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2014Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.19
CY2014Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	501060000	USD
CY2014Q3	us-gaap	Interest Expense InterestExpense	34725000	USD
CY2014Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	466335000	USD
CY2014Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	24480000	USD
CY2014Q3	us-gaap	Noninterest Income NoninterestIncome	247349000	USD
CY2014Q3	us-gaap	Noninterest Expense NoninterestExpense	480318000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	208886000	USD
CY2014Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	53870000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	155016000	USD
CY2014Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	7964000	USD
CY2014Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	147052000	USD
CY2014Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.18
CY2014Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.18
CY2014Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	495322000	USD
CY2014Q2	us-gaap	Interest Expense InterestExpense	35274000	USD
CY2014Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	460048000	USD
CY2014Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	29385000	USD
CY2014Q2	us-gaap	Noninterest Income NoninterestIncome	250067000	USD
CY2014Q2	us-gaap	Noninterest Expense NoninterestExpense	458636000	USD
CY2014Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	222094000	USD
CY2014Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	57475000	USD
CY2014Q2	us-gaap	Net Income Loss NetIncomeLoss	164619000	USD
CY2014Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	7963000	USD
CY2014Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	156656000	USD
CY2014Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2014Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.19
CY2014Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	472455000	USD
CY2014Q1	us-gaap	Interest Expense InterestExpense	34949000	USD
CY2014Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	437506000	USD
CY2014Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	24630000	USD
CY2014Q1	us-gaap	Noninterest Income NoninterestIncome	248485000	USD
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CY2013Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	7967000	USD
CY2013Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	170869000	USD
CY2013Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.21
CY2013Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.2
CY2013Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	462582000	USD
CY2013Q2	us-gaap	Interest Expense InterestExpense	37645000	USD
CY2013Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	424937000	USD
CY2013Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	24722000	USD
CY2013Q2	us-gaap	Noninterest Income NoninterestIncome	251919000	USD
CY2013Q2	us-gaap	Noninterest Expense NoninterestExpense	445865000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	206269000	USD
CY2013Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55269000	USD
CY2013Q2	us-gaap	Net Income Loss NetIncomeLoss	151000000	USD
CY2013Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	7967000	USD
CY2013Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	143033000	USD
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CY2013Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	424170000	USD
CY2013Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	29592000	USD
CY2013Q1	us-gaap	Noninterest Income NoninterestIncome	256618000	USD
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CY2013Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	208403000	USD
CY2013Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55129000	USD
CY2013Q1	us-gaap	Net Income Loss NetIncomeLoss	153274000	USD
CY2013Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	7970000	USD
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CY2013Q4	us-gaap	Loans Receivable Commercial And Industrial LoansReceivableCommercialAndIndustrial	17594276000	USD
CY2013Q4	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	4850094000	USD
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CY2013Q4	us-gaap	Loans And Leases Receivable Consumer Home Equity LoansAndLeasesReceivableConsumerHomeEquity	8336318000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Consumer Mortgage LoansAndLeasesReceivableConsumerMortgage	5321088000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Consumer Other LoansAndLeasesReceivableConsumerOther	380011000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	43120500000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	42472630000	USD
CY2013Q4	us-gaap	Assets Assets	59467174000	USD
CY2013Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	13650468000	USD
CY2013Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	33540545000	USD
CY2013Q4	us-gaap	Deposits Foreign DepositsForeign	315705000	USD
CY2013Q4	us-gaap	Deposits Deposits	47506718000	USD
CY2013Q4	us-gaap	Liabilities Liabilities	53377021000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	59467174000	USD
CY2014Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	653013000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	631290000	USD
CY2012	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	147388000	USD
CY2012	us-gaap	Depreciation And Amortization DepreciationAndAmortization	274572000	USD
CY2012	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	3814572000	USD
CY2012	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	3731465000	USD
CY2012	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	6388000	USD
CY2012	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	1619000	USD
CY2012	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	45306000	USD
CY2014	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	282074000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	888786000	USD
CY2014	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	198922000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	4335428000	USD
CY2014	us-gaap	Transfer Of Investments TransferOfInvestments	0	USD
CY2013	us-gaap	Transfer Of Investments TransferOfInvestments	292164000	USD
CY2012	us-gaap	Transfer Of Investments TransferOfInvestments	278748000	USD
CY2012	us-gaap	Proceeds From Payments For In Interest Bearing Deposits In Banks ProceedsFromPaymentsForInInterestBearingDepositsInBanks	70980000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	141000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1703009000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	750100000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	526744000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	576085000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	724645000	USD
CY2014Q4	us-gaap	Long Term Debt LongTermDebt	4335962000	USD
CY2014	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	35700000	shares
CY2014	hban	Common Stock Repurchased And Retired Average Cost Per Share CommonStockRepurchasedAndRetiredAverageCostPerShare	9.37
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	25700000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	13700000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	9100000	USD
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	9.09
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	7.12
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.69
CY2014	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	21200000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	300000	USD
CY2014Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	61100000	USD
CY2014	hban	Increase Decrease To Net Interest Income Due To Derivative Adjustment IncreaseDecreaseToNetInterestIncomeDueToDerivativeAdjustment	97600000	USD
CY2013	hban	Increase Decrease To Net Interest Income Due To Derivative Adjustment IncreaseDecreaseToNetInterestIncomeDueToDerivativeAdjustment	95400000	USD
CY2012	hban	Increase Decrease To Net Interest Income Due To Derivative Adjustment IncreaseDecreaseToNetInterestIncomeDueToDerivativeAdjustment	107500000	USD
CY2014Q4	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	21100000	USD
CY2013Q4	hban	Derivative Financial Instruments Used By Company On Behalf Of Customers Including Offsetting Derivatives Notional Value DerivativeFinancialInstrumentsUsedByCompanyOnBehalfOfCustomersIncludingOffsettingDerivativesNotionalValue	14300000	USD
CY2014Q4	hban	Derivative Financial Instruments Used By Company On Behalf Of Customers Including Offsetting Derivatives Notional Value DerivativeFinancialInstrumentsUsedByCompanyOnBehalfOfCustomersIncludingOffsettingDerivativesNotionalValue	14400000	USD
CY2013Q4	hban	Credit Risks From Interest Rate Swaps Used For Trading Purposes CreditRisksFromInterestRateSwapsUsedForTradingPurposes	160400000	USD
CY2014Q4	hban	Credit Risks From Interest Rate Swaps Used For Trading Purposes CreditRisksFromInterestRateSwapsUsedForTradingPurposes	219300000	USD
CY2013Q4	hban	Aggregate Credit Risk Net Of Collateral AggregateCreditRiskNetOfCollateral	15200000	USD
CY2014Q4	hban	Aggregate Credit Risk Net Of Collateral AggregateCreditRiskNetOfCollateral	19500000	USD
CY2014	us-gaap	Defined Benefit Plan Amortization Of Net Transition Asset Obligation DefinedBenefitPlanAmortizationOfNetTransitionAssetObligation	0	USD
CY2014Q4	hban	Notional Amount Corresponds To Trading Assets Fair Value NotionalAmountCorrespondsToTradingAssetsFairValue	3000000	USD
CY2014Q4	hban	Notional Amount Corresponds To Trading Liabilities Fair Value NotionalAmountCorrespondsToTradingLiabilitiesFairValue	0	USD
CY2014Q4	hban	Investment Securities And Cash Collateral Pledged To Company InvestmentSecuritiesAndCashCollateralPledgedToCompany	0	USD
CY2014Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	0	USD
CY2014	hban	Gains Losses Related To Derivative Instruments Included In Mortgage Securities GainsLossesRelatedToDerivativeInstrumentsIncludedInMortgageSecurities	0	USD
CY2013	hban	Gains Losses Related To Derivative Instruments Included In Mortgage Securities GainsLossesRelatedToDerivativeInstrumentsIncludedInMortgageSecurities	-100000	USD
CY2014	hban	Options Acquired OptionsAcquired	214	shares
CY2014Q4	us-gaap	Business Acquisition Equity Interest Issued Or Issuable Value Assigned BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned	91664000	USD
CY2014	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	2597000	USD
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	15300000	shares
CY2014Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Other Debt Facilities PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForOtherDebtFacilities	3600000000	USD
CY2014	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2597000	USD
CY2013	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2014	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	946000	USD
CY2013	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	0	USD
CY2012	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	0	USD
CY2014	hban	Incrementalcommonsharesattributabletoother Incrementalcommonsharesattributabletoother	323000	shares
CY2013	hban	Incrementalcommonsharesattributabletoother Incrementalcommonsharesattributabletoother	0	shares
CY2012	hban	Incrementalcommonsharesattributabletoother Incrementalcommonsharesattributabletoother	0	shares
CY2014	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	68277000	USD
CY2014	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	65473000	USD
CY2013	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	69624000	USD
CY2013	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	69264000	USD
CY2012	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	72684000	USD
CY2012	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	71319000	USD
CY2014	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	49044000	USD
CY2013	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	50161000	USD
CY2012	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	68330000	USD
CY2014	us-gaap	Professional Fees ProfessionalFees	59555000	USD
CY2013	us-gaap	Professional Fees ProfessionalFees	40587000	USD
CY2012	us-gaap	Professional Fees ProfessionalFees	65758000	USD
CY2014	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	50560000	USD
CY2013	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	51185000	USD
CY2012	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	64263000	USD
CY2014	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	39277000	USD
CY2013	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	41364000	USD
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	46549000	USD
CY2014Q4	hban	Mortgagesheldforinvestmentfairvaluedisclosure Mortgagesheldforinvestmentfairvaluedisclosure	40027000	USD
CY2014	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	39066000	USD
CY2013	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	34372000	USD
CY2012	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	56762000	USD
CY2014	dei	Entity Central Index Key EntityCentralIndexKey	0000049196
CY2014	dei	Document Type DocumentType	10-K
CY2014	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2014	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2014	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2014	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2014	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2014Q4	dei	Entity Public Float EntityPublicFloat	7626169000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	236399000	USD
CY2012Q4	hban	Pension And Other Postretirement Benefit Plans Accumulated Other Comprehensive Income Loss Before Tax PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossBeforeTax	363691000	USD
CY2012Q4	hban	Pension And Other Postretirement Benefit Plans Accumulated Other Comprehensive Income Loss Tax PensionAndOtherPostretirementBenefitPlansAccumulatedOtherComprehensiveIncomeLossTax	-127292000	USD
CY2014	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	17710000	USD
CY2013	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	12601000	USD
CY2012	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-48839000	USD
CY2013	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-14353000	USD
CY2014	hban	Basepaycontributedtoplanprofitsharing Basepaycontributedtoplanprofitsharing	Profit-sharing contribution equal to first 1%
CY2014Q4	hban	Market Value Amount Of Huntington Common Stock MarketValueAmountOfHuntingtonCommonStock	135533000	USD
CY2013Q4	hban	Market Value Amount Of Huntington Common Stock MarketValueAmountOfHuntingtonCommonStock	131476000	USD
CY2013Q4	hban	Shares Of Huntington Stock SharesOfHuntingtonStock	13624429	shares
CY2014Q4	hban	Shares Of Huntington Stock SharesOfHuntingtonStock	12883333	shares
CY2013Q4	hban	Dividends On Huntington Stock DividendsOnHuntingtonStock	2567000	USD
CY2014Q4	hban	Dividends On Huntington Stock DividendsOnHuntingtonStock	2694000	USD
CY2014	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	31110000	USD
CY2013	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	18238000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	16926000	USD
CY2014	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2013	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2012	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	798000	USD

Files In Submission

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$HBAN
HUNTINGTON BANCSHARES INC /MD/ Stock $hban

2014 Q4 Form 10-K Financial Statement

#000119312515049355 Filed on February 13, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HBAN HUNTINGTON BANCSHARES INC /MD/ Stock $hban

2014 Q4 Form 10-K Financial Statement

#000119312515049355 Filed on February 13, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HBAN
HUNTINGTON BANCSHARES INC /MD/ Stock $hban