v2.4.0.6
Fair Value Disclosures (Financial Instruments Not Carried at FV) (Details) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Financial Liabilities    
Securities sold under agreement to repurchase $ 363,000,000 $ 348,000,000
Level 1
   
Financial Assets:    
Cash and due from banks 20,878,000,000  
Interest bearing deposits with banks 26,026,000,000  
Cash deposited with clearing organizations or segregated under federal and other regulations or requirements 30,970,000,000  
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 133,035,000,000  
Securities borrowed 121,691,000,000  
Receivables: Customers 46,197,000,000 [1]  
Receivables: Brokers, dealers and clearing organizations 7,335,000,000 [1]  
Receivables: Fees, interest and other 0 [1]  
Loans 5,307,000,000 [2]  
Financial Liabilities    
Deposits 81,781,000,000  
Commercial paper and other short-term borrowings 1,107,000,000  
Securities sold under agreement to repurchase 111,722,000,000  
Securities loaned 35,978,000,000  
Other secured financings 3,649,000,000  
Payables: Customers 122,540,000,000 [1]  
Payables: Brokers, dealers and clearing organizations 2,497,000,000 [1]  
Long-term borrowings 116,511,000,000  
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 757,000,000  
Securities borrowed 14,000,000  
Receivables: Customers 0 [1]  
Receivables: Brokers, dealers and clearing organizations 0 [1]  
Receivables: Fees, interest and other 6,102,000,000 [1]  
Loans 21,956,000,000 [2]  
Financial Liabilities    
Deposits 0  
Commercial paper and other short-term borrowings 306,000,000  
Securities sold under agreement to repurchase 10,667,000,000  
Securities loaned 1,185,000,000  
Other secured financings 2,627,000,000  
Payables: Customers 0 [1]  
Payables: Brokers, dealers and clearing organizations 0 [1]  
Long-term borrowings 10,172,000,000  
Carrying Value
   
Financial Assets:    
Cash and due from banks 20,878,000,000  
Interest bearing deposits with banks 26,026,000,000  
Cash deposited with clearing organizations or segregated under federal and other regulations or requirements 30,970,000,000  
Federal funds sold and securities purchased under agreements to resell 133,791,000,000  
Securities borrowed 121,701,000,000  
Receivables: Customers 46,197,000,000 [1]  
Receivables: Brokers, dealers and clearing organizations 7,335,000,000 [1]  
Receivables: Fees, interest and other 6,170,000,000 [1]  
Loans 29,046,000,000 [2]  
Financial Liabilities    
Deposits 81,781,000,000  
Commercial paper and other short-term borrowings 1,413,000,000  
Securities sold under agreement to repurchase 122,311,000,000  
Securities loaned 36,849,000,000  
Other secured financings 6,261,000,000  
Payables: Customers 122,540,000,000 [1]  
Payables: Brokers, dealers and clearing organizations 2,497,000,000 [1]  
Long-term borrowings 125,527,000,000  
Lending commitments if fully funded 50,000,000,000  
Fair Value
   
Financial Assets:    
Cash and due from banks 20,878,000,000  
Interest bearing deposits with banks 26,026,000,000  
Cash deposited with clearing organizations or segregated under federal and other regulations or requirements 30,970,000,000  
Federal funds sold and securities purchased under agreements to resell 133,792,000,000  
Securities borrowed 121,705,000,000  
Receivables: Customers 46,197,000,000 [1]  
Receivables: Brokers, dealers and clearing organizations 7,335,000,000 [1]  
Receivables: Fees, interest and other 6,102,000,000 [1]  
Loans 27,263,000,000 [2]  
Financial Liabilities    
Deposits 81,781,000,000  
Commercial paper and other short-term borrowings 1,413,000,000  
Securities sold under agreement to repurchase 122,389,000,000  
Securities loaned 37,163,000,000  
Other secured financings 6,276,000,000  
Payables: Customers 122,540,000,000 [1]  
Payables: Brokers, dealers and clearing organizations 2,497,000,000 [1]  
Long-term borrowings 126,683,000,000  
Unfunded lending commitments 755,000,000  
Fair Value | Level 2
   
Financial Liabilities    
Unfunded lending commitments 543,000,000  
Fair Value | Level 3
   
Financial Liabilities    
Unfunded lending commitments $ 212,000,000  
[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.