Loans by Delinquency Status, Consumer (Details) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Financing Receivable, Recorded Investment, Aging [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]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	319,921	328,210
1-29 DPD	17,204	17,265
30-59 DPD	6,033	6,956
60-89 DPD	2,842	3,364
90-119 DPD	1,776	2,236
120-179 DPD	2,426	3,226
180+ DPD	7,358	7,490
Government insured/guaranteed loans	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]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	83,423	89,408
1-29 DPD	3,524	3,104
30-59 DPD	770	917
60-89 DPD	510	608
90-119 DPD	359	476
120-179 DPD	587	764
180+ DPD	545	622
Government insured/guaranteed loans	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]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	62,689	59,295
1-29 DPD	6,930	7,834
30-59 DPD	884	1,261
60-89 DPD	268	376
90-119 DPD	127	171
120-179 DPD	42	58
180+ DPD	9	117
Government insured/guaranteed loans	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]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	153,943	158,961
1-29 DPD	6,105	5,597
30-59 DPD	4,181	4,516
60-89 DPD	1,916	2,173
90-119 DPD	1,169	1,399
120-179 DPD	1,585	2,080
180+ DPD	6,803	6,750
Government insured/guaranteed loans	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]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	19,866	20,546
1-29 DPD	645	730
30-59 DPD	198	262
60-89 DPD	148	207
90-119 DPD	121	190
120-179 DPD	212	324
180+ DPD	1	1
Government insured/guaranteed loans	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
Other revolving credit and installment [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Purchased Credit Impaired Loans, Carrying Value	0	0
Loans	87,220	86,565
Real estate 1-4 family first mortgage [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	27,778	29,253
1-29 DPD	39	44
30-59 DPD	3,403	3,586
60-89 DPD	1,360	1,364
90-119 DPD	696	881
120-179 DPD	1,072	1,346
180+ DPD	6,638	7,214
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]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	222	357
1-29 DPD	72	79
30-59 DPD	19	30
60-89 DPD	9	17
90-119 DPD	8	13
120-179 DPD	12	19
180+ DPD	168	220
Loans, excluding Purchased Credit Impaired Loans	89,718	95,899
Purchased Credit Impaired Loans, Carrying Value	229	250
Loans	89,947	96,149
Total Consumer [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Purchased Credit Impaired Loans, Carrying Value	31,677	33,495
Loans	421,232	435,209
Credit Card Receivable [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Loans	$ 21,191	$ 22,260

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953423-111524
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Financing receivables that are less than 30 days past due.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Paragraph 13
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher OTS
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-Chapter V
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Financing receivable government issued or guaranteed.

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