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 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 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 $ 1 $ 2 $ 3 $ 1
Other Revenue, liabilities 0 0 0 0
Interest, liabilities 0 0 0 0
Total, liabilities 1 2 3 1
Corporate debt
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, liabilities   1   0
Other Revenue, liabilities   0   0
Interest, liabilities   0   0
Total, liabilities   1   0
Preferred stock
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, liabilities   2   2
Other Revenue, liabilities   0   0
Interest, liabilities   0   0
Total, liabilities   2   2
Municipals, money markets and other
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, liabilities 1 (1) 3 (1)
Other Revenue, liabilities 0 0 0 0
Interest, liabilities 0 0 0 0
Total, liabilities 1 (1) 3 (1)
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 (2) (1) 0 1
Interest, liabilities 0 0 0 0
Total, liabilities (2) (1) 0 1
Long-term borrowings
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, liabilities (46) 331 (105) 229
Other Revenue, liabilities (3) 18 (37) (9)
Interest, liabilities 0 0 0 0
Total, liabilities (49) 349 (142) 220
Trading account assets, excluding derivative contracts
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets 136 (325) 123 96
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets 136 (325) 123 96
Equities
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets (6) (9) (4) (55)
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets (6) (9) (4) (55)
Convertible debentures
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets 1 0 1 3
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets 1 0 1 3
Non-U.S. governments and agencies
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets 8 16 16 86
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets 8 16 16 86
Corporate debt
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets 27 (206) (8) (52)
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets 27 (206) (8) (52)
Preferred stock
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets 17 (11) 23 12
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets 17 (11) 23 12
Mortgages, mortgage-backed, and asset-backed securities
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets 88 (116) 95 85
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets 88 (116) 95 85
Municipals and money markets
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets 1 1 0 17
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets 1 1 0 17
Derivative contracts, net
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets (764) 875 (1,253) 1,144
Other Revenue, assets 0 0 0 0
Interest, assets 0 0 0 0
Total, assets (764) 875 (1,253) 1,144
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   (65)   2
Interest, assets   0   0
Total, assets   (65)   2
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) (54) (28) 38
Interest, assets 0 0 0 0
Total, assets (1) (54) (28) 38
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   (11)   (36)
Interest, assets   0   0
Total, assets   (11)   (36)
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   (5)   (30)
Interest, assets   0   0
Total, assets   (5)   (30)
Corporate/Agency bonds
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets   0   0
Other Revenue, assets   (6)   (6)
Interest, assets   0   0
Total, assets   (6)   (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 0
Other Revenue, assets 66 (61) 129 124
Interest, assets 0 0 0 0
Total, assets 66 (61) 129 124
Other assets
        
Fair Value Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]        
Principal Transactions, assets 0   0  
Other Revenue, assets 0   (86)  
Interest, assets 0   0  
Total, assets $ 0   $ (86)