Huntington Bancshares Incorporated Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

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

AVAILABLE-FOR-SALE AND OTHER SECURITIES - Narrative (Details)

v3.5.0.2

AVAILABLE-FOR-SALE AND OTHER SECURITIES - Narrative (Details) $ in Millions		3 Months Ended		9 Months Ended
	Jan. 14, 2014 agency	Sep. 30, 2016 USD ($) pool	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) pool	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Pledged investment securities to secure public and trust deposits, trading account liabilities, US Treasury demand notes and security repurchase agreements		$ 6,000		$ 6,000
Non-marketable equity securities
Schedule of Available-for-sale Securities [Line Items]
Stock issued by Federal Reserve Banks included in other securities		$ 243		$ 243		$ 176
Collateralized Debt Obligations
Schedule of Available-for-sale Securities [Line Items]
Number of federal agencies \| agency	5
Number of pools of trust preferred securities \| pool		7		7
Number of pools of trust preferred securities included in the no-exclusive list \| pool		6		6
Federal Home Loan Bank of Cincinnati \| Non-marketable equity securities
Schedule of Available-for-sale Securities [Line Items]
Stock issued by the Federal Home Loan Bank included in other securities		$ 249		$ 249		$ 157
Commercial
Schedule of Available-for-sale Securities [Line Items]
Contractually Specified Servicing Fees, Late Fees, and Ancillary Fees Earned in Exchange for Servicing Financial Assets		$ 2	$ 2	$ 7	$ 6

- Definition

Number of Federal Agencies

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- Definition

Number of Pools of Trust Preferred Securities

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- Definition

The total amount of contractually specified servicing fees, late fees, and ancillary fees earned for each period for which results of operations are presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122596-111746

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- Definition

Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 325
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6478792&loc=d3e63345-112809

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- Definition

The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for debt facilities other than FHLB loans, repurchase agreements and letter of credit arrangements, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 50
-Paragraph 1A
-Subparagraph (b)(1)(i)
-URI http://asc.fasb.org/extlink&oid=64858031&loc=SL6224234-111729

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- 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.

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