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

Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

FAIR VALUES OF ASSETS AND LIABILITIES - Fair Value Option (Details)

v3.8.0.1

FAIR VALUES OF ASSETS AND LIABILITIES - Fair Value Option (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Fair Value, Option, Quantitative Disclosures [Line Items]
Automobile loans, fair value	$ 93,000	$ 82,000
Fair Value, Measurements, Recurring [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Loans held for sale	413,000	438,000
Fair Value, Measurements, Recurring [Member] \| Mortgages Held For Sale [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Loans held for sale, aggregate unpaid principle	400,000	434,000
Aggregate difference	(13,000)	(4,000)
Loans held for sale	413,000	438,000
Fair Value, Measurements, Recurring [Member] \| Mortgages Held To Maturity [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Loans held for investment, aggregate unpaid principle	102,000	92,000
Automobile loans, fair value	93,000	82,000
Aggregate difference	(9,000)	(10,000)
Fair Value, Measurements, Recurring [Member] \| 90 or more days \| Mortgages Held For Sale [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Loans held for sale, aggregate unpaid principle	1,000	0
Aggregate difference	0	0
Loans held for sale	1,000	0
Fair Value, Measurements, Recurring [Member] \| 90 or more days \| Mortgages Held To Maturity [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Loans held for investment, aggregate unpaid principle	11,000	11,000
Automobile loans, fair value	10,000	8,000
Aggregate difference	$ (1,000)	$ (3,000)

- Definition

For mortgages held for sale for which the fair value option has been elected, this item represents the aggregate unpaid principal balance.

+ References

No definition available.

+ Details

Name:	hban_MortgagesHeldForSaleUnpaidPrincipal
Namespace Prefix:	hban_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Mortgages Held To Maturity Unpaid Principal

+ References

No definition available.

+ Details

Name:	hban_MortgagesHeldToMaturityUnpaidPrincipal
Namespace Prefix:	hban_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans and long-term receivables (other than securities categorized as trading, available-for-sale or held-to-maturity) that have contractual principal amounts and for which the fair value option has been elected.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_FairValueOptionQuantitativeDisclosuresLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

+ References

No definition available.

+ Details

Name:	us-gaap_LoansHeldForSaleFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-URI http://asc.fasb.org/subtopic&trid=2196772

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_FinancialInstrumentAxis=hban_MortgagesHeldForSaleMember
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Balance Type:
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- Details

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