The fair value of loans held for investment purposes acquired during the period as of the balance sheet date.

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- Definition

The amount of other loans receivable that will be sold to other entities.

+ References

No definition available.

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- Definition

Pretax lease income allocated in proportionate amounts from unearned income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=7662751&loc=d3e45152-112736

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- Definition

The tax effect from the current year income from arrangements meeting the criteria for classification as a leveraged lease.

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- Definition

The face amount of loans that will be sold to other entities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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- Definition

The carrying amount of mortgage loans on real estate that were sold during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule IV)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 29

-Article 12

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule IV

-Article 5

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-Name Accounting Standards Codification

-Topic 948

-SubTopic 310

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-29.6)

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- Definition

The cash outflow associated with purchasing loans held for investment purposes during the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (a)

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- Definition

The carrying amount, as of the date of the latest financial statement presented, of loans receivable which are owned but transferred to serve as collateral for the payment of FHLB debt obligations, and for which the transferee is not permitted 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)

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- Definition

The carrying amount, as of the date of the latest financial statement presented, of loans receivable which are owned but transferred to serve as collateral for the payment of other debt obligations, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

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- Definition

The cash inflow from the securitization of loans held for investment. Securitization is the structured process whereby interests in loans and other receivables are packaged, underwritten, and sold in the form of asset-backed securities.

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585

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-SubTopic 10

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-Paragraph 26

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-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (a)

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LOANS AND LEASES - Narrative (Details) (USD $)	12 Months Ended			1 Months Ended
LOANS AND LEASES - Narrative (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for sale	$ 256,000,000	$ 176,000,000		$ 256,000,000
Other loans held for sale	25,000,000	1,078,000,000		25,000,000
Loans sold during period		0
Leveraged Leases, Income (Loss) [Abstract]
Pre-tax income on leveraged leases	2,000,000	3,000,000	3,000,000
Income tax on leveraged leases	1,000,000	1,000,000	1,000,000
Residential Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral for FHLB borrowed funds	22,000,000,000	19,000,000,000		22,000,000,000
Loans pledged as collateral to support the contingent ability to borrow at the FRB discount window	11,800,000,000	13,900,000,000		11,800,000,000
Residential Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for sale	256,000,000	176,000,000		256,000,000
Residential, including originated home equity products
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans purchased during period	1,900,000,000	912,000,000
Residential mortgage loans sold	126,000,000
Consumer Loans Auto Financing Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans purchased during period	1,700,000,000
Student
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans purchased during period	59,000,000
Residential mortgage loans sold	357,000,000
Student \| Purchase Commitment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans purchased during period				260,000,000
Commercial Loans, Oil and Natural Gas Industry
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal balance of loans held-for-investment acquired during period	417,000,000
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Residential mortgage loans sold	301,000,000
Disposed of by sale \| Illinois \| Retail branches
Accounts, Notes, Loans and Financing Receivable [Line Items]
Residential mortgage loans sold	$ 1,000,000,000