Valuation adjustments for loans held for sale and portfolio loans.

No definition available.

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eflects the adjusted carrying amount of loans for which it is probable, based on current facts and circumstances, that a creditor will not initially be able to collect all amounts due according to the contractual terms of the loan agreement, or will not recover the previously reported carrying amount of the loan.

+ References

No definition available.

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- Definition

Net losses on operating lease equipment during the period

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- Definition

Nonrecurring losses included as charge-offs on loans transferred to OREO

+ References

No definition available.

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- Definition

Sensitivity Analysis of Decrease in Fair Value of Derivatives, Impact of 50 Basis Point Increase in the Interest Rate

+ References

No definition available.

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- Definition

Sensitivity Analysis of Decrease in Fair Value of Derivatives, Impact of 25 Basis Point Increase in the Interest Rate

+ References

No definition available.

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- Definition

Sensitivity Analysis of Increase in Fair Value of Derivatives, Impact of 50 Basis Point Decrease in the Interest Rate

+ References

No definition available.

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- Definition

Sensitivity Analysis of Increase in Fair Value of Derivatives, Impact of 10% Changes in the Assumed Loan Closing Rates

+ References

No definition available.

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- Definition

Sensitivity Analysis of Increase in Fair Value of Derivatives, Impact of 20% Changes in the Assumed Loan Closing Rates

+ References

No definition available.

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- Definition

Sensitivity Analysis of Increase in Fair Value of Derivatives, Impact of 25 Basis Point Decrease in the Interest Rate

+ References

No definition available.

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- Definition

Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties.

+ References

No definition available.

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- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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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.

+ References

No definition available.

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- Definition

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
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- Definition

This item represents the estimated amount of gains or losses included in earnings during the period attributable to changes in instrument-specific credit risk arising from loans and other receivables held as assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (c)(1)
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- Definition

The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.3(a))
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- Definition

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

+ References

No definition available.

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- Definition

This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 5.M)
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- Definition

The hypothetical financial impact of a 10 percent adverse change of the specified assumption on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
-Paragraph 4
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The hypothetical financial impact of a 20 percent adverse change of the specified assumption on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date.

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- Definition

Value of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions.

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-Publisher FASB
-Name Accounting Standards Codification
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Fair Value Measurements (Fair Value Measurements - Additional Information) (Detail) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Net fair value of the interest rate lock commitments	$ 11
Change in the fair value of the interest rate lock commitments, due to decrease in current interest rates of 25 bp	5
Change in the fair value of the interest rate lock commitments, due to decrease in current interest rates of 50 bp	9
Change in the fair value of the interest rate lock commitments, due to increase in current interest rates of 25 bp	6
Change in the fair value of the interest rate lock commitments, due to increase in current interest rates of 50 bp	13
Change in fair value of interest rate lock commitments, due to 10% adverse changes in the assumed loan closing rates	1
Change in fair value of interest rate lock commitments, due to 20% adverse changes in the assumed loan closing rates	2
Change in fair value of interest rate lock commitments, due to 10% favorable changes in the assumed loan closing rates	1
Change in fair value of interest rate lock commitments, due to 20% favorable changes in the assumed loan closing rates	2
Portfolio loans to loans held for sale	64	$ 5
Existing loans held for sale, further adjusted	650		$ 399
Fair value changes included in earnings for instruments for which the fair value option was elected	12	22
Net Losses On Operating Lease Equipment	2	20
Larger commercial loans, subject to impairment review	1
Commercial Loans Held For Sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Portfolio loans to loans held for sale	1	18
Existing loans held for sale, further adjusted	1
Gain Loss On Sales Of Loans Net		2
Fair value adjustment		17
Other Real Estate Owned
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Net impact related to fair value adjustments	2	2
Nonrecurring Losses Included As Charge-Offs	1	$ 2
Residential Mortgage Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of loans	2		$ 2
Fair value measurements nonrecurring \| Private Equity Investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
OTTI	6
Positive fair value adjustment, observable price changes \| Private Equity Investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value adjustment	35
Fair value adjustment, impairment \| Private Equity Investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value adjustment	$ 10