Annual report pursuant to Section 13 and 15(d)

Fair Value Disclosures - Gains and Losses (Details)

v2.4.0.6
Fair Value Disclosures - Gains and Losses (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets   $ 0 [1]  
Other Revenue, assets   (229) [1]  
Total, assets   (229) [1]  
Total trading liabilities, excluding derivative contracts
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, liabilities 4 3 52
Other Revenue, liabilities 0 0 0
Interest, liabilities     0
Total, liabilities 4 3 52
Non-U.S. governments and agencies
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, liabilities     52
Other Revenue, liabilities     0
Interest, liabilities     0
Total, liabilities     52
Corporate debt
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, liabilities   1  
Other Revenue, liabilities   0  
Total, liabilities   1  
Preferred stock
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, liabilities   4  
Other Revenue, liabilities   0  
Total, liabilities   4  
Municipals, money markets and other
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, liabilities 4 (2)  
Other Revenue, liabilities 0 0  
Total, liabilities 4 (2)  
Other payables - interest and other
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, liabilities 0 0 0
Other Revenue, liabilities (2) (2) 42
Interest, liabilities     0
Total, liabilities (2) (2) 42
Long-term borrowings
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, liabilities (136) (107) 585
Other Revenue, liabilities (53) (55) 43
Interest, liabilities     0
Total, liabilities (189) (162) 628
Trading account assets, excluding derivative contracts
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets 67 67 151
Other Revenue, assets 0 0 0
Interest, assets     0
Total, assets 67 67 151
Equities
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets (5) (66) (29)
Other Revenue, assets 0 0 0
Interest, assets     0
Total, assets (5) (66) (29)
Convertible debentures
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets (6) (2)  
Other Revenue, assets 0 0  
Total, assets (6) (2)  
Non-U.S. governments and agencies
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets 20 101 (144)
Other Revenue, assets 0 0 0
Interest, assets     0
Total, assets 20 101 (144)
Corporate debt
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets (2) (35) 136
Other Revenue, assets 0 0 0
Interest, assets     0
Total, assets (2) (35) 136
Preferred stock
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets 19 6 (36)
Other Revenue, assets 0 0 0
Interest, assets     0
Total, assets 19 6 (36)
Mortgages, mortgage-backed, and asset-backed securities
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets 40 41 136
Other Revenue, assets 0 0 0
Interest, assets     0
Total, assets 40 41 136
Municipals and money markets
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets 1 22 88
Other Revenue, assets 0 0 0
Interest, assets     0
Total, assets 1 22 88
Derivative contracts, net
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets (1,411) 932 (770)
Other Revenue, assets 0 0 0
Interest, assets     0
Total, assets (1,411) 932 (770)
Total investment securities
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets   0 0
Other Revenue, assets   (137) (27)
Interest, assets     31
Total, assets   (137) 4
Investment securities non-qualifying
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets 0 0 0
Other Revenue, assets (32) (101) 20
Interest, assets     0
Total, assets (32) (101) 20
Total investment securities available-for-sale
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets   0 0
Other Revenue, assets   (36) (47)
Interest, assets     31
Total, assets   (36) (16)
Mortgage-backed securities - non-agency MBSs
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets   0 0
Other Revenue, assets   (30) (47)
Interest, assets     31
Total, assets   (30) (16)
Corporate/Agency bonds
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets   0  
Other Revenue, assets   (6)  
Total, assets   (6)  
Loans, notes and mortgages
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets 0 0 0
Other Revenue, assets 158 14 199
Interest, assets     0
Total, assets 158 14 199
Other assets
      
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]      
Principal Transactions, assets 0    
Other Revenue, assets (85)    
Total, assets $ (85)    
[1] Includes unrealized losses related to net monoline exposure from certain derivative contracts subsequent to their reclassification to other assets in the third quarter of 2011.