Quarterly report pursuant to Section 13 or 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
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Total trading liabilities, excluding derivative contracts
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, liabilities $ 3 $ (1) $ 1 $ (1)
Other Revenue, liabilities 0 0 0 0
Interest, liabilities 0 0 0 0
Total, liabilities 3 (1) 1 (1)
Corporate debt
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, liabilities   (1)   (1)
Other Revenue, liabilities   0   0
Interest, liabilities   0   0
Total, liabilities   (1)   (1)
Preferred stock
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, liabilities 0   (2)  
Other Revenue, liabilities 0   0  
Interest, liabilities 0   0  
Total, liabilities 0   (2)  
Municipals, money markets and other
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, liabilities 3   3  
Other Revenue, liabilities 0   0  
Interest, liabilities 0   0  
Total, liabilities 3   3  
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 0
Other Revenue, liabilities 1 (20) 0 2
Interest, liabilities 0 0 0 0
Total, liabilities 1 (20) 0 2
Long-term borrowings
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, liabilities 82 (10) (12) (102)
Other Revenue, liabilities 9 8 0 (27)
Interest, liabilities 0 0 0 0
Total, liabilities 91 (2) (12) (129)
Trading account assets, excluding derivative contracts
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets (108) (63) (4) 421
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets (108) (63) (4) 421
Equities
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets (6) (61) 1 (46)
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets (6) (61) 1 (46)
Convertible debentures
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets (2) 3 0 3
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets (2) 3 0 3
Non-U.S. governments and agencies
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets (25) 67 0 70
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets (25) 67 0 70
Corporate debt
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets (35) (44) 3 154
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets (35) (44) 3 154
Preferred stock
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets (1) 17 2 23
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets (1) 17 2 23
Mortgages, mortgage-backed, and asset-backed securities
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets (45) (42) (7) 201
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets (45) (42) (7) 201
Municipals and money markets
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets 6 (3) (3) 16
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets 6 (3) (3) 16
Derivative contracts, net
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets 173 344 (429) 269
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets 173 344 (429) 269
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   116   67
Interest, assets   0   0
Total, assets   116   67
Investment securities non-qualifying
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets 0 0 0 0
Other Revenue, assets 1 122 (10) 92
Interest, assets 0 0 0 0
Total, assets 1 122 (10) 92
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   (6)   (25)
Interest, assets   0   0
Total, assets   (6)   (25)
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   (6)   (25)
Interest, assets   0   0
Total, assets   (6)   (25)
Loans, notes and mortgages
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets 0 0 0 0
Other Revenue, assets 13 17 110 185
Interest, assets 0 0 0 0
Total, assets 13 17 110 185
Other assets
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets 0   0  
Other Revenue, assets (39)   (86)  
Interest, assets 0   0  
Total, assets $ (39)   $ (86)