Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Level 3 Reconciliation (Details)

v3.19.1
Fair Value Measurements - Level 3 Reconciliation (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (Losses) in OCI $ 96    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]      
Balance, beginning (935) $ (1,714)  
Total Realized/Unrealized Gains/(Losses) in Net Income (25) 495  
Gains (Losses) in OCI 0 0  
Purchases 111 153  
Sales (245) (262)  
Issuances 0 0  
Settlements (55) 202  
Gross Transfers into Level 3 122 71  
Gross Transfers out of Level 3 9 (83)  
Balance, ending (1,018) (1,138)  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held (25) 517  
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Derivative assets, gross 328,200   $ 328,800
Derivative liabilities, gross 318,200   317,800
Trading account liabilities – Corporate securities and other      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (18) (24)  
Total Realized/Unrealized Gains/(Losses) in Net Income 0 1  
Gains (Losses) in OCI 0 0  
Purchases 0 0  
Sales (3) (2)  
Issuances 0 (1)  
Settlements 0 0  
Gross Transfers into Level 3 0 0  
Gross Transfers out of Level 3 0 0  
Balance, ending (21) (26)  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 0 1  
Accrued expenses and other liabilities      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   (8)  
Total Realized/Unrealized Gains/(Losses) in Net Income   0  
Gains (Losses) in OCI   0  
Purchases   0  
Sales   0  
Issuances   0  
Settlements   0  
Gross Transfers into Level 3   0  
Gross Transfers out of Level 3   0  
Balance, ending   (8)  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held   0  
Long-term debt      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (817) (1,863)  
Total Realized/Unrealized Gains/(Losses) in Net Income (46) 23  
Gains (Losses) in OCI (1) 1  
Purchases 0 5  
Sales 0 0  
Issuances (3) (67)  
Settlements 38 172  
Gross Transfers into Level 3 (61) (33)  
Gross Transfers out of Level 3 0 411  
Balance, ending (890) (1,351)  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held (46) 26  
Level 3 | Recurring      
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Derivative assets, gross 3,473 4,500 3,466
Derivative liabilities, gross 4,491 5,700 $ 4,401
Corporate securities, trading loans and other      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 1,558 1,864  
Total Realized/Unrealized Gains/(Losses) in Net Income 3 9  
Gains (Losses) in OCI 0 0  
Purchases 54 193  
Sales (73) (136)  
Issuances 0 0  
Settlements (60) (139)  
Gross Transfers into Level 3 139 103  
Gross Transfers out of Level 3 (193) (178)  
Balance, ending 1,428 1,716  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held (8) (15)  
Equity securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 276 235  
Total Realized/Unrealized Gains/(Losses) in Net Income 2 8  
Gains (Losses) in OCI 0 0  
Purchases 18 6  
Sales (1) (7)  
Issuances 0 0  
Settlements (3) 0  
Gross Transfers into Level 3 2 1  
Gross Transfers out of Level 3 (6) (31)  
Balance, ending 288 212  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 2 8  
Non-U.S. sovereign debt      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 465 556  
Total Realized/Unrealized Gains/(Losses) in Net Income 8 16  
Gains (Losses) in OCI (1) 2  
Purchases 0 0  
Sales 0 (50)  
Issuances 0 0  
Settlements 0 (8)  
Gross Transfers into Level 3 0 0  
Gross Transfers out of Level 3 0 (115)  
Balance, ending 472 401  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 8 16  
Mortgage trading loans, ABS and other MBS      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 1,635 1,498  
Total Realized/Unrealized Gains/(Losses) in Net Income 38 99  
Gains (Losses) in OCI (1) 3  
Purchases 230 125  
Sales (337) (320)  
Issuances 0 0  
Settlements (9) (69)  
Gross Transfers into Level 3 89 94  
Gross Transfers out of Level 3 (135) (58)  
Balance, ending 1,510 1,372  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 27 83  
Trading account assets      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 3,934 4,153  
Total Realized/Unrealized Gains/(Losses) in Net Income 51 132  
Gains (Losses) in OCI (2) 5  
Purchases 302 324  
Sales (411) (513)  
Issuances 0 0  
Settlements (72) (216)  
Gross Transfers into Level 3 230 198  
Gross Transfers out of Level 3 (334) (382)  
Balance, ending 3,698 3,701  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 29 92  
Non-agency residential MBS      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 597    
Total Realized/Unrealized Gains/(Losses) in Net Income 0    
Gains (Losses) in OCI 93    
Purchases 0    
Sales 0    
Issuances 0    
Settlements (7)    
Gross Transfers into Level 3 159    
Gross Transfers out of Level 3 (261)    
Balance, ending 581    
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 0    
Non-U.S. securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 2 25  
Total Realized/Unrealized Gains/(Losses) in Net Income 0 0  
Gains (Losses) in OCI 0 0  
Purchases 0 0  
Sales 0 0  
Issuances 0 0  
Settlements 0 (2)  
Gross Transfers into Level 3 0 0  
Gross Transfers out of Level 3 0 0  
Balance, ending 2 23  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 0 0  
Other taxable securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 7 509  
Total Realized/Unrealized Gains/(Losses) in Net Income 0 1  
Gains (Losses) in OCI 0 0  
Purchases 0 0  
Sales 0 0  
Issuances 0 0  
Settlements (4) (7)  
Gross Transfers into Level 3 0 0  
Gross Transfers out of Level 3 0 (460)  
Balance, ending 3 43  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 0 0  
Tax-exempt securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   469  
Total Realized/Unrealized Gains/(Losses) in Net Income   0  
Gains (Losses) in OCI   0  
Purchases   0  
Sales   0  
Issuances   0  
Settlements   0  
Gross Transfers into Level 3   0  
Gross Transfers out of Level 3   (469)  
Balance, ending   0  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held   0  
Available-for-sale Securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 606 1,003  
Total Realized/Unrealized Gains/(Losses) in Net Income 0 1  
Gains (Losses) in OCI 93 0  
Purchases 0 0  
Sales 0 0  
Issuances 0 0  
Settlements (11) (9)  
Gross Transfers into Level 3 159 0  
Gross Transfers out of Level 3 (261) (929)  
Balance, ending 586 66  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 0 0  
Other debt securities carried at fair value – Non-agency residential MBS      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 172    
Total Realized/Unrealized Gains/(Losses) in Net Income 47    
Gains (Losses) in OCI 0    
Purchases 0    
Sales 0    
Issuances 0    
Settlements (1)    
Gross Transfers into Level 3 38    
Gross Transfers out of Level 3 (32)    
Balance, ending 224    
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 47    
Loans and leases      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 338 571  
Total Realized/Unrealized Gains/(Losses) in Net Income 4 (16)  
Gains (Losses) in OCI 0 0  
Purchases 0 0  
Sales (15) (4)  
Issuances 0 0  
Settlements (10) (25)  
Gross Transfers into Level 3 0 0  
Gross Transfers out of Level 3 0 0  
Balance, ending 317 526  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 4 (16)  
Loans held-for-sale      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 542 690  
Total Realized/Unrealized Gains/(Losses) in Net Income 12 24  
Gains (Losses) in OCI (2) 0  
Purchases 10 12  
Sales (21) 0  
Issuances 11 0  
Settlements (53) (41)  
Gross Transfers into Level 3 59 0  
Gross Transfers out of Level 3 0 0  
Balance, ending 558 685  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 4 21  
Other assets      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 2,932 2,425  
Total Realized/Unrealized Gains/(Losses) in Net Income (74) 192  
Gains (Losses) in OCI 8 0  
Purchases 0 0  
Sales 0 (38)  
Issuances 41 29  
Settlements (158) (242)  
Gross Transfers into Level 3 0 929  
Gross Transfers out of Level 3 0 0  
Balance, ending 2,749 3,295  
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held $ (128) $ 120