Loans and Allowance for Credit Losses, by Loan to Value Ratio, Consumer (Details) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Loans by Loan to Value, Excluding Purchased Credit Impaired Loans [Abstract]
Purchased Credit Impaired Loans, Carrying Value	$ 37,213	$ 41,430
Loans	760,106	757,267
Residential Mortgage [Member]
Loans by Loan to Value, Excluding Purchased Credit Impaired Loans [Abstract]
0-60%	61,893	62,622
60.01-80%	64,011	60,286
80.01-100%	58,542	63,752
100.01-120%	37,167	42,034
Greater than 120%	36,790	42,871
No LTV/CLTV Available	5,268	5,810
Government insured/guaranteed loans	17,689	15,514
Loans, excluding Purchased Credit Impaired Loans	281,360	292,889
Purchased Credit Impaired Loans, Carrying Value	30,662	33,495
Loans	312,022	326,384
Real estate 1-4 family first mortgage [Member]
Loans by Loan to Value, Excluding Purchased Credit Impaired Loans [Abstract]
0-60%	48,683	47,808
60.01-80%	47,440	42,542
80.01-100%	37,634	39,497
100.01-120%	20,997	24,147
Greater than 120%	18,227	24,243
No LTV/CLTV Available	2,642	3,239
Government insured/guaranteed loans	17,689	15,514
Loans, excluding Purchased Credit Impaired Loans	193,312	196,990
Purchased Credit Impaired Loans, Carrying Value	30,446	33,245
Loans	223,758	230,235
Real estate 1-4 family junior lien mortgage [Member]
Loans by Loan to Value, Excluding Purchased Credit Impaired Loans [Abstract]
0-60%	13,210	14,814
60.01-80%	16,571	17,744
80.01-100%	20,908	24,255
100.01-120%	16,170	17,887
Greater than 120%	18,563	18,628
No LTV/CLTV Available	2,626	2,571
Government insured/guaranteed loans	0	0
Loans, excluding Purchased Credit Impaired Loans	88,048	95,899
Purchased Credit Impaired Loans, Carrying Value	216	250
Loans	$ 88,264	$ 96,149

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

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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.

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Financing Receivables by Loan to Value, Excluding Acquired with Deteriorated Credit Quality.

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