Quarterly report pursuant to Section 13 or 15(d)

Transactions with Bank of America (Details)

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Transactions with Bank of America (Details) (USD $)
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Jan. 06, 2013
Dec. 31, 2012
Receivables from Bank of America        
Total $ 37,539,000,000     $ 45,830,000,000
Payables to Bank of America        
Total 10,042,000,000     8,752,000,000
Net revenues related to transactions with Bank of America 6,317,000,000 4,765,000,000    
Non-interest expenses related to transactions with Bank of America 6,653,000,000 6,582,000,000    
Intercompany service fee revenue from Bank of America 240,000,000 167,000,000    
Intercompany service fee expense from Bank of America 444,000,000 394,000,000    
Outstanding Principal Balance of Residential Mortgage Loans Included in Settlement Agreement     6,600,000,000  
Bank of America
        
Receivables from Bank of America        
Cash and cash equivalents 8,484,000,000     9,446,000,000
Cash and securities segregated for regulatiory purposes 5,020,000,000     5,257,000,000
Receivables under resale agreements 10,756,000,000     13,090,000,000
Trading assets 299,000,000     409,000,000
Net intercompany funding receivable 11,016,000,000     16,473,000,000
Other receivables 1,964,000,000     1,155,000,000
Total 37,539,000,000     45,830,000,000
Payables to Bank of America        
Payables under repurchase agreements 335,000,000     556,000,000
Payables under securities loaned transactions 4,121,000,000     3,686,000,000
Short-term borrowings 865,000,000     925,000,000
Deposits 131,000,000     140,000,000
Trading liabilities 193,000,000     509,000,000
Other payables 3,296,000,000     1,780,000,000
Long-term borrowings 1,101,000,000     1,156,000,000
Total 10,042,000,000     8,752,000,000
Net revenues related to transactions with Bank of America 305,000,000 270,000,000    
Non-interest expenses related to transactions with Bank of America 562,000,000 426,000,000    
Extendible One-Year Revolving Credit Facility | Bank of America
        
Payables to Bank of America        
Line of Credit Receivable, Maximum Lending Capacity 50,000,000,000      
Line of Credit Receivable, Amount Outstanding 0     0
Number of Years by Which Credit Facility Receivable will be Automatically Extended 1 year      
Number of Days Prior to Maturity Date Required for Cancelation Notice, Minimum 45 days      
Short-term Revolving Credit Facility [Member] | Bank of America
        
Payables to Bank of America        
Line of Credit Receivable, Maximum Lending Capacity 25,000,000,000      
Line of Credit Receivable, Amount Outstanding $ 10,700,000,000     $ 16,200,000,000