Asset Backed Securities, Average Remaining Term

No definition available.

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- Definition

Disclosure regarding factors used to determine that the impairment of securities categorized as held-to-maturity or available-for-sale where cost exceeds fair value is not an other than temporary impairment (OTTI). This item contains disclosure of the number of investment positions in the held-to-maturity and available-for-sale investments determined to be temporarily impaired.

+ References

No definition available.

+ Details

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- Definition

Available-for-sale securities transferred to held-to-maturity at carrying value

+ References

No definition available.

+ Details

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- Definition

Available-for-sale Securities, Transferred to Held-to-maturity, Unrealized Gain (Loss)

+ References

No definition available.

+ Details

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- Definition

Collective Credit Support Percentage Minimum

+ References

No definition available.

+ Details

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- Definition

Federal Government Credit Support Guarantee Percentage Minimum

+ References

No definition available.

+ Details

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- Definition

Impairment associated with adverse changes in timing of expected future cash flows

+ References

No definition available.

+ Details

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- Definition

Number of peripheral european countries.

+ References

No definition available.

+ Details

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- Definition

Percentage change in additional house price declines.

+ References

No definition available.

+ Details

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- Definition

Maximum amount of loss due to credit risk that, based on the gross fair value of the financial instrument, the entity would incur if parties to the financial instruments that make up the concentration failed completely to perform according to the terms of the contracts and the collateral or other security, if any, for the amount due proved to be of no value to the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13537-108611

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- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 35
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e25351-111560

+ Details

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- References

No definition available.

+ Details

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- Definition

This item represents the total unrealized gain (loss) included in earnings for the period as a result of holding marketable securities categorized as trading, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27405-111563

+ Details

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- Definition

Sum of the carrying amounts as of the date of the latest financial statement presented of securities which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, 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)
-URI http://asc.fasb.org/extlink&oid=55761124&loc=SL6224234-111729

+ Details

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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.

+ Details

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- Details

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Investment Securities - Narrative (Details)	3 Months Ended	12 Months Ended
Investment Securities - Narrative (Details)	Dec. 31, 2015 USD ($) country	Dec. 31, 2015 USD ($) security country	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Investments, Debt and Equity Securities [Abstract]
Pledged securities not separately reported	$ 34,180,000,000	$ 34,180,000,000	$ 44,020,000,000
AFS transferred to HTM at carrying value	7,100,000,000	7,100,000,000
Unrealized gain (loss) on AFS transferred to HTM	$ 89,000,000
Schedule of Available-for-sale Securities [Line Items]
OTTI on investments		1,000,000	11,000,000	$ 23,000,000
Impairment associated with adverse changes in timing of expected future cash flows		$ 1,000,000	1,000,000	6,000,000
Peripheral European countries \| country	4	4
Unrealized gain (loss), excluding OTTI		$ (841,000,000)
Number of securities in loss position \| security		1,289
Minimum
Schedule of Available-for-sale Securities [Line Items]
Additional house price declines, percent		3.00%
Maximum
Schedule of Available-for-sale Securities [Line Items]
Additional house price declines, percent		17.00%
Agency Securities
Schedule of Available-for-sale Securities [Line Items]
OTTI on investments		$ 0	0	0
Federal family education loan program
Schedule of Available-for-sale Securities [Line Items]
Federal government credit support guarantee, percentage minimum		97.00%
Collective credit support minimum percent		100.00%
Average term on asset backed securities		4 years 3 months 18 days
OTTI on investments		$ 0	0	0
Asset-backed securities, student loans
Schedule of Available-for-sale Securities [Line Items]
Less than maximum credit exposure		300,000,000
OTTI on investments		0	0	0
Non-U.S. debt securities, mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
OTTI on investments		1,000,000	1,000,000	6,000,000
Impairment associated with adverse changes in timing of expected future cash flows				6,000,000
State and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
OTTI on investments		0	0	0
U.S. Non-Agency Residential Mortgage-Backed Securities
Schedule of Available-for-sale Securities [Line Items]
OTTI on investments		0	0	0
Collateralized mortgage obligations
Schedule of Available-for-sale Securities [Line Items]
OTTI on investments		$ 0	$ 10,000,000	$ 11,000,000