v2.4.0.6
Fair Value Disclosures (Financial Instruments Not Carried at FV) (Details) (USD $)
Jun. 30, 2012
Dec. 31, 2011
Financial Liabilities    
Securities sold under agreement to repurchase $ 346,000,000 $ 348,000,000
Level 1
   
Financial Assets:    
Cash and due from banks 12,408,000,000  
Interest bearing deposits with banks 29,598,000,000  
Cash deposited with clearing organizations or segregated under federal and other regulations or requirements 29,418,000,000  
Federal funds sold and securities purchased under agreements to resell 0  
Securities borrowed 0  
Receivables: Customers 0 [1]  
Receivables: Brokers, dealers and clearing organizations 0 [1]  
Receivables: Fees, interest and other 0 [1]  
Loans 0 [2]  
Financial Liabilities    
Deposits 0  
Commercial paper and other short-term borrowings 0  
Securities sold under agreement to repurchase 0  
Securities loaned 0  
Other secured financings 0  
Payables: Customers 0 [1]  
Payables: Brokers, dealers and clearing organizations 0 [1]  
Long-term borrowings 0  
Level 2
   
Financial Assets:    
Cash and due from banks 0  
Interest bearing deposits with banks 0  
Cash deposited with clearing organizations or segregated under federal and other regulations or requirements 0  
Federal funds sold and securities purchased under agreements to resell 145,704,000,000  
Securities borrowed 134,252,000,000  
Receivables: Customers 37,666,000,000 [1]  
Receivables: Brokers, dealers and clearing organizations 9,107,000,000 [1]  
Receivables: Fees, interest and other 0 [1]  
Loans 2,808,000,000 [2]  
Financial Liabilities    
Deposits 66,413,000,000  
Commercial paper and other short-term borrowings 860,000,000  
Securities sold under agreement to repurchase 100,698,000,000  
Securities loaned 28,890,000,000  
Other secured financings 6,342,000,000  
Payables: Customers 119,455,000,000 [1]  
Payables: Brokers, dealers and clearing organizations 4,158,000,000 [1]  
Long-term borrowings 105,971,000,000  
Level 3
   
Financial Assets:    
Cash and due from banks 0  
Interest bearing deposits with banks 0  
Cash deposited with clearing organizations or segregated under federal and other regulations or requirements 0  
Federal funds sold and securities purchased under agreements to resell 1,684,000,000  
Securities borrowed 9,000,000  
Receivables: Customers 0 [1]  
Receivables: Brokers, dealers and clearing organizations 0 [1]  
Receivables: Fees, interest and other 6,074,000,000 [1]  
Loans 18,638,000,000 [2]  
Financial Liabilities    
Deposits 0  
Commercial paper and other short-term borrowings 288,000,000  
Securities sold under agreement to repurchase 7,699,000,000  
Securities loaned 1,006,000,000  
Other secured financings 1,621,000,000  
Payables: Customers 0 [1]  
Payables: Brokers, dealers and clearing organizations 0 [1]  
Long-term borrowings 11,727,000,000  
Carrying Value
   
Financial Assets:    
Cash and due from banks 12,408,000,000  
Interest bearing deposits with banks 29,598,000,000  
Cash deposited with clearing organizations or segregated under federal and other regulations or requirements 29,418,000,000  
Federal funds sold and securities purchased under agreements to resell 147,366,000,000  
Securities borrowed 134,263,000,000  
Receivables: Customers 37,666,000,000 [1]  
Receivables: Brokers, dealers and clearing organizations 9,107,000,000 [1]  
Receivables: Fees, interest and other 6,256,000,000 [1]  
Loans 21,394,000,000 [2]  
Financial Liabilities    
Deposits 66,287,000,000  
Commercial paper and other short-term borrowings 1,148,000,000  
Securities sold under agreement to repurchase 108,332,000,000  
Securities loaned 30,762,000,000  
Other secured financings 8,087,000,000  
Payables: Customers 119,455,000,000 [1]  
Payables: Brokers, dealers and clearing organizations 4,158,000,000 [1]  
Long-term borrowings 125,346,000,000  
Lending commitments if fully funded 39,500,000,000  
Estimated Fair Value
   
Financial Assets:    
Cash and due from banks 12,408,000,000  
Interest bearing deposits with banks 29,598,000,000  
Cash deposited with clearing organizations or segregated under federal and other regulations or requirements 29,418,000,000  
Federal funds sold and securities purchased under agreements to resell 147,388,000,000  
Securities borrowed 134,261,000,000  
Receivables: Customers 37,666,000,000 [1]  
Receivables: Brokers, dealers and clearing organizations 9,107,000,000 [1]  
Receivables: Fees, interest and other 6,074,000,000 [1]  
Loans 21,446,000,000 [2]  
Financial Liabilities    
Deposits 66,413,000,000  
Commercial paper and other short-term borrowings 1,148,000,000  
Securities sold under agreement to repurchase 108,397,000,000  
Securities loaned 29,896,000,000  
Other secured financings 7,963,000,000  
Payables: Customers 119,455,000,000 [1]  
Payables: Brokers, dealers and clearing organizations 4,158,000,000 [1]  
Long-term borrowings 117,698,000,000  
Unfunded lending commitments 747,000,000  
Estimated Fair Value | Level 2
   
Financial Liabilities    
Unfunded lending commitments 560,000,000  
Estimated Fair Value | Level 3
   
Financial Liabilities    
Unfunded lending commitments $ 187,000,000  
[1] Accrued interest, fees and dividend receivables and payables where carrying value approximates fair value have been excluded.
[2] Includes all loans measured at fair value on a non-recurring basis.