Consumer asset specific allowance for loan losses on residential real estate restructured loans.

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Cumulative Effect Of Change In Accounting Principles Allowance For Loan Losses.

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Impaired collateral-dependent loans.

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Impairment methodology.

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Reflects the carrying amount of impaired collateral dependent loans at fair value less cost to sell.

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Loans by impairment methodology.

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The gross carrying amount of loans held for investment, after deducting deferred income, but before deducting the allowance for loan and lease losses.

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Reflects the net amount of other additions and reductions in the reserve for credit losses.

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Reflects the amount charged against earnings during the period as bad debt expense, net of recoveries of previously expensed credit losses.

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Reflects the amount of loans and leases that have been removed, or charged off, from both loan receivables and the reserve for credit losses, typically because they are considered to be not salvageable or have been purchased by unconsolidated collection entities.

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The undiscounted sum of all amounts, including amounts deemed principal, interest, fees, penalties, and other under the loan, owed to the investor at the reporting date, whether or not currently due and whether or not any such amounts have been written or charged off by the investor. This relates to consumer loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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For loans and debt securities, 1) for which at acquisition it was probable that the investor would be unable to collect all contractually required payments receivable, and 2) for which it is further probable that the investor will not be able to collect all cash flows expected at acquisition (plus any additional cash flows expected due to changes in estimate after acquisition), the allowance for credit losses recorded to reflect the impairment since acquisition.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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The valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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The allowance for loan and lease losses represents the reserve to cover probable credit losses related to specifically identified loans and leases, as well as probable credit losses inherent in the remainder of the loan portfolio as of the balance sheet date. For banks, include currently required allocated transfer risk reserves. Include carryover of or adjustments to the allowance for loan losses in connection with business combinations determined to be appropriate.

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Amount of the cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

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The sum of the periodic provision charged to operations, based on an assessment of the uncollectibility of the loan and lease portfolio, the offset to which is either added to or deducted from the allowance account for the purpose of reducing loan receivable and leases to an amount that approximates their net realizable value (the amount expected to be collected).

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Total of recoveries of amounts due the Entity that had previously been written off as uncollectible using allowances (the valuation accounts that are netted against the cost of an asset to value it at its carrying value) and total of reestablishments of reserves (liabilities established to represent expected future costs) that had previously been utilized.

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Allowance for Credit Losses (Details) (USD $) In Millions	9 Months Ended			9 Months Ended
Allowance for Credit Losses (Details) (USD $) In Millions	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010	Sep. 30, 2011 Allowance for Loans and Leases Receivable [Member]	Sep. 30, 2010 Allowance for Loans and Leases Receivable [Member]	Sep. 30, 2011 Allowance for Loans and Leases Receivable [Member] Wholesale	Sep. 30, 2010 Allowance for Loans and Leases Receivable [Member] Wholesale	Sep. 30, 2011 Allowance for Loans and Leases Receivable [Member] Consumer Portfolio Segment	Sep. 30, 2010 Allowance for Loans and Leases Receivable [Member] Consumer Portfolio Segment	Sep. 30, 2011 Allowance for Loans and Leases Receivable [Member] Credit Card	Sep. 30, 2010 Allowance for Loans and Leases Receivable [Member] Credit Card	Sep. 30, 2011 Impaired collateral dependent loans [Member]	Sep. 30, 2010 Impaired collateral dependent loans [Member]	Sep. 30, 2011 Impaired collateral dependent loans [Member] Wholesale	Sep. 30, 2010 Impaired collateral dependent loans [Member] Wholesale	Sep. 30, 2011 Impaired collateral dependent loans [Member] Consumer Portfolio Segment	Sep. 30, 2010 Impaired collateral dependent loans [Member] Consumer Portfolio Segment	Sep. 30, 2011 Impaired collateral dependent loans [Member] Credit Card	Sep. 30, 2010 Impaired collateral dependent loans [Member] Credit Card	Sep. 30, 2011 Wholesale	Sep. 30, 2010 Wholesale	Sep. 30, 2011 Consumer Portfolio Segment	Sep. 30, 2010 Consumer Portfolio Segment	Sep. 30, 2011 Credit Card	Sep. 30, 2010 Credit Card	Dec. 31, 2009 V I E Program Type Three [Member]	Dec. 31, 2009 Firm Sponsored Credit Card Securitization Trusts [Member]	Dec. 31, 2009 Firm Administered Multi Seller Conduits Member
Allowance for loan losses [Abstract]
Allowance for loan losses at January 1	$ 32,266	$ 31,602																		$ 4,761	$ 7,145	$ 16,471	$ 14,785	$ 11,034	$ 9,672
Cumulative effect of changes in accounting principles				0	7,494	0	14	0	127	0	7,353
Gross charge-offs	11,121	20,111										152	747	73	473	79	274	0	0	485	1,575	4,109	6,106	6,527	12,430
Gross (recoveries)	(1,791)	(1,542)																		(391)	(119)	(408)	(359)	(992)	(1,064)
Net charge-offs	9,330	18,569																		94	1,456	3,701	5,747	5,535	11,366
Provision for loan losses	5,419	13,615																		(347)	(750)	3,731	6,999	2,035	7,366
Other	(5)	19																		(18)	10	19	5	(6)	4
Ending balance at March 31	28,350	34,161																		4,302	4,963	16,520	16,169	7,528	13,029
Allowance for loan losses by impairment methodology:
Asset-specific, allowance	4,738	6,907																		670	1,246	1,016	1,088	3,052	4,573
Formula-based	18,671	24,443																		3,632	3,717	10,563	12,270	4,476	8,456
Purchased Credit Impaired	4,941	2,811																		0	0	4,941	2,811	0	0
Total allowance for loan losses	28,350	34,161																		4,302	4,963	16,520	16,169	7,528	13,029
Loans by impairment methodology:
Asset-specific	19,969	22,276																		3,053	5,689	9,096	6,025	7,820	10,562
Formula-based	605,814	589,944																		252,713	211,816	233,880	252,254	119,221	125,874
Purchased credit-impaired	67,161	74,829																		33	77	67,128	74,752	0	0
Retained loans	692,944	687,049	685,498																	255,799	217,582	310,104	333,031	127,041	136,436
Impaired collateral-dependent loans:
Loans measured at fair value of collateral less cost to sell	1,844	2,631																		997	1,798	847	833	0	0
Cumulative effect of change in accounting principles on the Allowance for loan losses																										127	7,400	14
Asset-specific consumer excluding credit card allowance for loan losses included in troubled-debt restructurings	$ 930	$ 980