Loans - By Portfolio Segment (Details) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Loan balances by portfolio segment:
Retained	$ 804,293	$ 747,508	$ 735,304
Held-for-sale	2,029	7,217
At fair value	3,135	2,611
Total	809,457	757,336
Net deferred loan costs	628	1,300
Consumer, excluding credit card
Loan balances by portfolio segment:
Retained	331,732	294,979	288,379
Held-for-sale	237	395
At fair value	0	0
Total	331,969	295,374
Credit card
Loan balances by portfolio segment:
Retained	125,634	128,027	126,564
Held-for-sale	1,345	3,021
At fair value	0	0
Total	126,979	131,048
Wholesale
Loan balances by portfolio segment:
Retained	346,927	324,502	$ 320,361
Held-for-sale	447	3,801
At fair value	3,135	2,611
Total	$ 350,509	$ 330,914

Reflects the amount of cumulative deferred costs.

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- Definition

The aggregate carrying amount of loans receivable that that the entity has elected to carry at fair value. Mortgage loans exclude mortgage-backed securities which are considered a debt security (other loan).

+ References

No definition available.

+ Details

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- Definition

Originated or purchased loans held-for-investment, other than PCI loans, are measured at the principal amount outstanding, net of the following: allowance for loan losses; net charge-offs; interest applied to principal (for loans accounted for on the cost recovery method); unamortized discounts and premiums; and net deferred loan fees or costs.

+ References

No definition available.

+ Details

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- Definition

The aggregate carrying amount of loans receivable that will be sold to other entities, excluding loans that the entity has elected to carry at fair value. Includes mortgage and all other loans (collectively, loans) not classified as held for investment. Such loans are stated at the lower of cost or market. Mortgage loans exclude mortgage-backed securities which are considered a debt security (other loan).

+ References

No definition available.

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- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ 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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5074-111524

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- References

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