Loans By FICO Score, Consumer (Details) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Loans by FICO, Excluding Purchased Credit Impaired Loans [Abstract]
Purchased Credit Impaired Loans, Carrying Value	$ 38,693	$ 41,430
Loans	751,921	757,267
Total Consumer [Member] \| Loans Excluding Certain Loans Acquired In Transfer With Evidence Of Credit Deterioration [Member]
Loans by FICO, Excluding Purchased Credit Impaired Loans [Abstract]
Less than 600	43,395	48,817
600-639	22,746	23,353
640-679	34,597	35,529
680-719	50,779	53,310
720-759	58,876	63,026
760-799	85,348	87,044
Greater than 800	38,249	36,812
No FICO available	18,383	16,724
FICO not required	5,187	4,132
Financing Receivable, Government Issued or Guaranteed	31,995	32,967
Loans, excluding Purchased Credit Impaired Loans	389,555	401,714
Purchased Credit Impaired Loans, Carrying Value	31,677	33,495
Loans	421,232	435,209
Real estate 1-4 family junior lien mortgage [Member] \| Loans Excluding Certain Loans Acquired In Transfer With Evidence Of Credit Deterioration [Member]
Loans by FICO, Excluding Purchased Credit Impaired Loans [Abstract]
Less than 600	8,026	9,126
600-639	4,157	4,457
640-679	7,107	7,678
680-719	12,359	13,759
720-759	17,928	20,334
760-799	25,576	27,222
Greater than 800	10,963	10,607
No FICO available	3,602	2,716
FICO not required	0	0
Financing Receivable, Government Issued or Guaranteed	0	0
Loans, excluding Purchased Credit Impaired Loans	89,718	95,899
Purchased Credit Impaired Loans, Carrying Value	229	250
Loans	89,947	96,149
Other revolving credit and installment [Member] \| Loans Excluding Certain Loans Acquired In Transfer With Evidence Of Credit Deterioration [Member]
Loans by FICO, Excluding Purchased Credit Impaired Loans [Abstract]
Less than 600	9,560	10,806
600-639	5,847	5,965
640-679	8,760	8,344
680-719	9,837	9,480
720-759	9,014	8,808
760-799	9,576	9,357
Greater than 800	4,850	4,692
No FICO available	8,318	7,528
FICO not required	5,187	4,132
Financing Receivable, Government Issued or Guaranteed	16,271	17,453
Loans, excluding Purchased Credit Impaired Loans	87,220	86,565
Purchased Credit Impaired Loans, Carrying Value	0	0
Loans	87,220	86,565
Real estate 1-4 family first mortgage [Member] \| Loans Excluding Certain Loans Acquired In Transfer With Evidence Of Credit Deterioration [Member]
Loans by FICO, Excluding Purchased Credit Impaired Loans [Abstract]
Less than 600	23,444	26,013
600-639	11,020	11,105
640-679	15,584	16,202
680-719	24,184	25,549
720-759	27,527	29,443
760-799	47,007	47,250
Greater than 800	20,690	19,719
No FICO available	6,246	6,195
FICO not required	0	0
Financing Receivable, Government Issued or Guaranteed	15,724	15,514
Loans, excluding Purchased Credit Impaired Loans	191,426	196,990
Purchased Credit Impaired Loans, Carrying Value	31,448	33,245
Loans	222,874	230,235
Credit Card Receivable [Member] \| Loans Excluding Certain Loans Acquired In Transfer With Evidence Of Credit Deterioration [Member]
Loans by FICO, Excluding Purchased Credit Impaired Loans [Abstract]
Less than 600	2,365	2,872
600-639	1,722	1,826
640-679	3,146	3,305
680-719	4,399	4,522
720-759	4,407	4,441
760-799	3,189	3,215
Greater than 800	1,746	1,794
No FICO available	217	285
FICO not required	0	0
Financing Receivable, Government Issued or Guaranteed	0	0
Loans, excluding Purchased Credit Impaired Loans	21,191	22,260
Purchased Credit Impaired Loans, Carrying Value	0	0
Loans	21,191	22,260
Real estate 1-4 family first mortgage [Member]
Loans by FICO, Excluding Purchased Credit Impaired Loans [Abstract]
Less than 600	19,365	22,334
600-639	7,671	7,563
640-679	6,554	6,185
680-719	3,907	3,949
720-759	1,957	2,057
760-799	997	1,087
Greater than 800	221	232
Loans, excluding Purchased Credit Impaired Loans	191,426	196,990
Purchased Credit Impaired Loans, Carrying Value	31,448	33,245
Loans	222,874	230,235
Real estate 1-4 family junior lien mortgage [Member]
Loans by FICO, Excluding Purchased Credit Impaired Loans [Abstract]
Less than 600	241	363
600-639	85	109
640-679	85	96
680-719	49	60
720-759	15	17
760-799	6	7
Greater than 800	2	2
Loans, excluding Purchased Credit Impaired Loans	89,718	95,899
Purchased Credit Impaired Loans, Carrying Value	229	250
Loans	89,947	96,149
Credit Card Receivable [Member]
Loans by FICO, Excluding Purchased Credit Impaired Loans [Abstract]
Loans	21,191	22,260
Other revolving credit and installment [Member]
Loans by FICO, Excluding Purchased Credit Impaired Loans [Abstract]
Purchased Credit Impaired Loans, Carrying Value	0	0
Loans	87,220	86,565
Total Consumer [Member]
Loans by FICO, Excluding Purchased Credit Impaired Loans [Abstract]
Purchased Credit Impaired Loans, Carrying Value	31,677	33,495
Loans	$ 421,232	$ 435,209

The balance of financing receivables that were acquired with deteriorated credit quality.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
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Reflects the aggregate gross carrying amount of all categories of loans and leases held in portfolio, after deducting deferred income, but before deducting the allowance for losses on loans and leases.

+ References

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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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Reflects the net carrying amount of loans and leases held in portfolio, not otherwise defined in the taxonomy, after deducting deferred income, but before deducting the allowance for losses on such loans and leases.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Financing receivable government issued or guaranteed.

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Financing receivables with FICO score less than 720 but more than 679.

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Financing receivables with FICO score less than 760 but more than 719.

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Financing Receivables by FICO, Excluding Acquired with Deteriorated Credit Quality.

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