Annual report pursuant to Section 13 and 15(d)

Long term Debt Maturities

v2.4.1.9
Long term Debt Maturities (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Long Term Debt By Maturity [Line Items]  
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months $ 141us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
Long-term Debt, Maturities, Repayments of Principal in Year Two 1,703,009us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
Long-term Debt, Maturities, Repayments of Principal in Year Three 750,100us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
Long-term Debt, Maturities, Repayments of Principal in Year Four 526,744us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
Long-term Debt, Maturities, Repayments of Principal in Year Five 576,085us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
Long-term Debt, Maturities, Repayments of Principal after Year Five 724,645us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
SeniorNotesMember  
Long Term Debt By Maturity [Line Items]  
Long-term Debt, Maturities, Repayments of Principal in Year Two 850,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
Long-term Debt, Maturities, Repayments of Principal in Year Three 750,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
Long-term Debt, Maturities, Repayments of Principal in Year Four 400,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
Long-term Debt, Maturities, Repayments of Principal in Year Five 500,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
Long-term Debt, Maturities, Repayments of Principal after Year Five 35,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
JuniorSubordinatedDebtMember  
Long Term Debt By Maturity [Line Items]  
Long-term Debt, Maturities, Repayments of Principal in Year Two 103,009us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember
Long-term Debt, Maturities, Repayments of Principal in Year Four 125,539us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember
Long-term Debt, Maturities, Repayments of Principal in Year Five 75,716us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember
Long-term Debt, Maturities, Repayments of Principal after Year Five 618,049us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember
Securitization Trust and Franklin Trust Other Debt [Member]  
Long Term Debt By Maturity [Line Items]  
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 141us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
/ us-gaap_LongtermDebtTypeAxis
= hban_SecuritizationTrustAndFranklinTrustOtherDebtMember
Class B Preferred Securities Of Subsidiary No Maturity [Member]  
Long Term Debt By Maturity [Line Items]  
Long-term Debt, Maturities, Repayments of Principal after Year Five 65,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
/ us-gaap_LongtermDebtTypeAxis
= hban_ClassBPreferredSecuritiesOfSubsidiaryNoMaturityMember
FederalHomeLoanBankAdvancesMember  
Long Term Debt By Maturity [Line Items]  
Long-term Debt, Maturities, Repayments of Principal in Year Two 750,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_FederalHomeLoanBankAdvancesMember
Long-term Debt, Maturities, Repayments of Principal in Year Three 100us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_FederalHomeLoanBankAdvancesMember
Long-term Debt, Maturities, Repayments of Principal in Year Four 1,205us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_FederalHomeLoanBankAdvancesMember
Long-term Debt, Maturities, Repayments of Principal in Year Five 369us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_FederalHomeLoanBankAdvancesMember
Long-term Debt, Maturities, Repayments of Principal after Year Five $ 6,596us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_FederalHomeLoanBankAdvancesMember