Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Reconciliation (Details)

v3.7.0.1
Fair Value Measurements - Reconciliation (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]      
Balance, beginning $ (1,313) $ (441)  
Total Realized/Unrealized Gains/(Losses) (474) 403  
Gains (Losses) in OCI 0 0  
Purchases 200 89  
Sales (247) (175)  
Issuances 0 0  
Settlements 170 12  
Gross Transfers into Level 3 29 (116)  
Gross Transfers out of Level 3 (30) (87)  
Balance, ending (1,665) (315)  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held (489) 257  
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Gross derivative assets 533,500   $ 631,100
Gross derivative liabilities 533,800   628,300
Recurring      
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Mortgage servicing rights 2,610   2,747
Level 3 | Recurring      
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]      
Balance, beginning (1,313)    
Balance, ending (1,665)    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Gross derivative assets 4,152 5,500 3,931
Gross derivative liabilities 5,817 5,800 5,244
Mortgage servicing rights 2,610   $ 2,747
Federal funds purchased and securities loaned or sold under agreements to repurchase      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (359) (335)  
Total Realized/Unrealized Gains/(Losses) 1 (3)  
Gains (Losses) in OCI 0 0  
Purchases 0 0  
Sales 0 0  
Issuances (2) (14)  
Settlements 28 7  
Gross Transfers into Level 3 0 0  
Gross Transfers out of Level 3 106 0  
Balance, ending (226) (345)  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 1 (9)  
Corporate securities, trading loans and other      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (27) (21)  
Total Realized/Unrealized Gains/(Losses) 2 1  
Gains (Losses) in OCI 0 0  
Purchases 0 0  
Sales (10) (8)  
Issuances 0 0  
Settlements 0 0  
Gross Transfers into Level 3 0 0  
Gross Transfers out of Level 3 0 0  
Balance, ending (35) (28)  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 2 1  
Short-term borrowings      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   (30)  
Total Realized/Unrealized Gains/(Losses)   1  
Gains (Losses) in OCI   0  
Purchases   0  
Sales   0  
Issuances   0  
Settlements   29  
Gross Transfers into Level 3   0  
Gross Transfers out of Level 3   0  
Balance, ending   0  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held   0  
Accrued expenses and other liabilities      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (9) (9)  
Total Realized/Unrealized Gains/(Losses) 0 0  
Gains (Losses) in OCI 0 0  
Purchases 0 0  
Sales 0 0  
Issuances 0 0  
Settlements 0 0  
Gross Transfers into Level 3 0 0  
Gross Transfers out of Level 3 0 0  
Balance, ending (9) (9)  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 0 0  
Long-term debt      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (1,514) (1,513)  
Total Realized/Unrealized Gains/(Losses) (83) (91)  
Gains (Losses) in OCI 7 (7)  
Purchases 11 9  
Sales 0 0  
Issuances (130) (169)  
Settlements 159 56  
Gross Transfers into Level 3 (178) (186)  
Gross Transfers out of Level 3 68 87  
Balance, ending (1,660) (1,814)  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held (83) (93)  
Operating Segments | Consumer Banking      
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Mortgage servicing rights 1,900 1,800  
Operating Segments | Global Markets      
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Mortgage servicing rights 481 479  
All Other      
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Mortgage servicing rights 208 343  
Corporate securities, trading loans and other      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 2,777 2,838  
Total Realized/Unrealized Gains/(Losses) 84 50  
Gains (Losses) in OCI 0 1  
Purchases 199 227  
Sales (480) (147)  
Issuances 0 0  
Settlements (127) (148)  
Gross Transfers into Level 3 75 158  
Gross Transfers out of Level 3 (499) (25)  
Balance, ending 2,029 2,954  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 56 33  
Equity securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 281 407  
Total Realized/Unrealized Gains/(Losses) 12 60  
Gains (Losses) in OCI 0 0  
Purchases 20 10  
Sales (17) (2)  
Issuances 0 0  
Settlements (10) (62)  
Gross Transfers into Level 3 72 4  
Gross Transfers out of Level 3 (70) 0  
Balance, ending 288 417  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 8 7  
Non-U.S. sovereign debt      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 510 521  
Total Realized/Unrealized Gains/(Losses) 19 42  
Gains (Losses) in OCI 10 49  
Purchases 0 3  
Sales (9) (1)  
Issuances 0 0  
Settlements (6) (42)  
Gross Transfers into Level 3 3 0  
Gross Transfers out of Level 3 0 0  
Balance, ending 527 572  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 19 41  
Mortgage trading loans, ABS and other MBS      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 1,211 1,868  
Total Realized/Unrealized Gains/(Losses) 107 28  
Gains (Losses) in OCI 0 (2)  
Purchases 339 194  
Sales (375) (404)  
Issuances 0 0  
Settlements (54) (73)  
Gross Transfers into Level 3 28 31  
Gross Transfers out of Level 3 (41) (28)  
Balance, ending 1,215 1,614  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 74 4  
Trading Securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 4,779 5,634  
Total Realized/Unrealized Gains/(Losses) 222 180  
Gains (Losses) in OCI 10 48  
Purchases 558 434  
Sales (881) (554)  
Issuances 0 0  
Settlements (197) (325)  
Gross Transfers into Level 3 178 193  
Gross Transfers out of Level 3 (610) (53)  
Balance, ending 4,059 5,557  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 157 85  
Non-agency residential MBS      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   106  
Total Realized/Unrealized Gains/(Losses)   0  
Gains (Losses) in OCI   5  
Purchases   135  
Sales   (92)  
Issuances   0  
Settlements   (4)  
Gross Transfers into Level 3   0  
Gross Transfers out of Level 3   0  
Balance, ending   150  
Change in Unrealized Gains/(Losses) 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 229    
Total Realized/Unrealized Gains/(Losses) 0    
Gains (Losses) in OCI 3    
Purchases 20    
Sales 0    
Issuances 0    
Settlements (45)    
Gross Transfers into Level 3 0    
Gross Transfers out of Level 3 0    
Balance, ending 207    
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 0    
Other taxable securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 594 757  
Total Realized/Unrealized Gains/(Losses) 3 1  
Gains (Losses) in OCI 4 (3)  
Purchases 0 0  
Sales 0 0  
Issuances 0 0  
Settlements (22) (16)  
Gross Transfers into Level 3 0 0  
Gross Transfers out of Level 3 0 0  
Balance, ending 579 739  
Change in Unrealized Gains/(Losses) 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 542 569  
Total Realized/Unrealized Gains/(Losses) 0 0  
Gains (Losses) in OCI 2 (7)  
Purchases 0 1  
Sales (56) 0  
Issuances 0 0  
Settlements (3) (1)  
Gross Transfers into Level 3 35 0  
Gross Transfers out of Level 3 0 0  
Balance, ending 520 562  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 0 0  
Available-for-sale Securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 1,365 1,432  
Total Realized/Unrealized Gains/(Losses) 3 1  
Gains (Losses) in OCI 9 (5)  
Purchases 20 136  
Sales (56) (92)  
Issuances 0 0  
Settlements (70) (21)  
Gross Transfers into Level 3 35 0  
Gross Transfers out of Level 3 0 0  
Balance, ending 1,306 1,451  
Change in Unrealized Gains/(Losses) 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 25 30  
Total Realized/Unrealized Gains/(Losses) (1) (1)  
Gains (Losses) in OCI 0 0  
Purchases 0 0  
Sales 0 0  
Issuances 0 0  
Settlements 0 0  
Gross Transfers into Level 3 0 0  
Gross Transfers out of Level 3 0 0  
Balance, ending 24 29  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 0 0  
Loans and leases      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 720 1,620  
Total Realized/Unrealized Gains/(Losses) 12 43  
Gains (Losses) in OCI 0 0  
Purchases 0 69  
Sales   0  
Issuances 0 25  
Settlements (30) (35)  
Gross Transfers into Level 3 0 5  
Gross Transfers out of Level 3 0 (30)  
Balance, ending 702 1,697  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 12 48  
Mortgage servicing rights      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 2,747 3,087  
Total Realized/Unrealized Gains/(Losses) (27) (380)  
Gains (Losses) in OCI 0 0  
Purchases 0 0  
Sales 5 (1)  
Issuances 75 136  
Settlements (190) (211)  
Gross Transfers into Level 3 0 0  
Gross Transfers out of Level 3 0 0  
Balance, ending 2,610 2,631  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held (117) (437)  
Loans Held-for-Sale      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 656 787  
Total Realized/Unrealized Gains/(Losses) 29 73  
Gains (Losses) in OCI 6 27  
Purchases 0 20  
Sales (136) (163)  
Issuances 0 0  
Settlements (60) (34)  
Gross Transfers into Level 3 315 13  
Gross Transfers out of Level 3 (18) (63)  
Balance, ending 792 660  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 22 58  
Other assets      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 239 374  
Total Realized/Unrealized Gains/(Losses) (6) (25)  
Gains (Losses) in OCI 0 0  
Purchases 0 34  
Sales 0 0  
Issuances 0 0  
Settlements (2) (10)  
Gross Transfers into Level 3 0 2  
Gross Transfers out of Level 3 0 0  
Balance, ending 231 375  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held $ (6) $ (22)