Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.1.9
Derivative Financial Instruments (Cash flow hedges) (Details 2) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Cash flow hedging [Member]    
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges    
Amount of gain or (loss) recognized in OCI on derivatives (effective portion) $ 18,294us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
$ 1,823us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion) 123us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
2,892us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
Hedged Other long term debt [Member] | Interest expense subordinated notes and other long term debt [Member]    
Increase or (decrease) to interest expense for derivatives designated as fair value hedges    
Increase or (decrease) to interest expense for derivatives designated as fair value hedges (19,645)us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_HedgedOtherLongTermDebtMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
6,474us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_HedgedOtherLongTermDebtMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
Hedged Subordinated notes [Member] | Interest expense subordinated notes and other long term debt [Member]    
Increase or (decrease) to interest expense for derivatives designated as fair value hedges    
Increase or (decrease) to interest expense for derivatives designated as fair value hedges (3,231)us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_HedgedSubordinatedNotesMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
(1,066)us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_HedgedSubordinatedNotesMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
Hedged Deposits [Member] | Interest expense deposits [Member]    
Increase or (decrease) to interest expense for derivatives designated as fair value hedges    
Increase or (decrease) to interest expense for derivatives designated as fair value hedges 214us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_HedgedDepositsMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseDepositsMember
266us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_HedgedDepositsMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseDepositsMember
FHLB Advances [Member] | Interest expense other borrowings [Member] | Cash flow hedging [Member]    
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges    
Amount of gain or (loss) recognized in OCI on derivatives (effective portion) 0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_FhlbAdvancesMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseOtherBorrowingsMember
0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_FhlbAdvancesMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseOtherBorrowingsMember
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion) 0us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_FhlbAdvancesMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseOtherBorrowingsMember
0us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_FhlbAdvancesMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseOtherBorrowingsMember
Loan [Member] | Interest and fee income loans and leases [Member] | Cash flow hedging [Member]    
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges    
Amount of gain or (loss) recognized in OCI on derivatives (effective portion) 18,294us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_LoansPayableMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestAndFeeIncomeLoansAndLeasesMember
1,823us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_LoansPayableMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestAndFeeIncomeLoansAndLeasesMember
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion) 133us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_LoansPayableMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestAndFeeIncomeLoansAndLeasesMember
2,892us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_LoansPayableMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestAndFeeIncomeLoansAndLeasesMember
Investment securities [Member] | Interest and fee income investment securities [Member] | Cash flow hedging [Member]    
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges    
Amount of gain or (loss) recognized in OCI on derivatives (effective portion) 0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_SecuritiesInvestmentMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestAndFeeIncomeInvestmentSecuritiesMember
0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_SecuritiesInvestmentMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestAndFeeIncomeInvestmentSecuritiesMember
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion) (10)us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_SecuritiesInvestmentMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestAndFeeIncomeInvestmentSecuritiesMember
0us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_SecuritiesInvestmentMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestAndFeeIncomeInvestmentSecuritiesMember
Deposits [Member] | Interest expense deposits [Member]    
Increase or (decrease) to interest expense for derivatives designated as fair value hedges    
Increase or (decrease) to interest expense for derivatives designated as fair value hedges (213)us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_DepositsMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseDepositsMember
(267)us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_DepositsMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseDepositsMember
Deposits [Member] | Interest expense deposits [Member] | Cash flow hedging [Member]    
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges    
Amount of gain or (loss) recognized in OCI on derivatives (effective portion) 0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_DepositsMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseDepositsMember
0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_DepositsMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseDepositsMember
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion) 0us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_DepositsMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseDepositsMember
0us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_DepositsMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseDepositsMember
Subordinated notes | Interest expense subordinated notes and other long term debt [Member]    
Increase or (decrease) to interest expense for derivatives designated as fair value hedges    
Increase or (decrease) to interest expense for derivatives designated as fair value hedges 3,231us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_SubordinatedNotesMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
1,066us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_SubordinatedNotesMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
Subordinated notes | Interest expense subordinated notes and other long term debt [Member] | Cash flow hedging [Member]    
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges    
Amount of gain or (loss) recognized in OCI on derivatives (effective portion) 0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_SubordinatedNotesMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_SubordinatedNotesMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion) 0us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_SubordinatedNotesMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
0us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_SubordinatedNotesMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
Other long-term debt | Interest expense subordinated notes and other long term debt [Member]    
Increase or (decrease) to interest expense for derivatives designated as fair value hedges    
Increase or (decrease) to interest expense for derivatives designated as fair value hedges 20,025us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_OtherLongTermDebtMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
(4,051)us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_OtherLongTermDebtMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
Other long-term debt | Interest expense subordinated notes and other long term debt [Member] | Cash flow hedging [Member]    
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges    
Amount of gain or (loss) recognized in OCI on derivatives (effective portion) 0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_OtherLongTermDebtMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_OtherLongTermDebtMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion) $ 0us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_OtherLongTermDebtMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember
$ 0us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentRiskAxis
= hban_OtherLongTermDebtMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= hban_InterestExpenseSubordinatedNotesAndOtherLongTermDebtMember