Fair Value Measurements - Reconciliation (Details) - USD ($)
$ in Millions |
3 Months Ended |
6 Months Ended |
|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Dec. 31, 2017 |
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
$ (1,138)
|
$ (1,665)
|
$ (1,714)
|
$ (1,313)
|
|
| Total Realized/Unrealized Gains/(Losses) |
(239)
|
(372)
|
256
|
(846)
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
195
|
208
|
348
|
408
|
|
| Sales |
(591)
|
(229)
|
(853)
|
(476)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
175
|
274
|
377
|
444
|
|
| Gross Transfers into Level 3 |
(4)
|
0
|
67
|
29
|
|
| Gross Transfers out of Level 3 |
14
|
(19)
|
(69)
|
(49)
|
|
| Balance, ending |
(1,588)
|
(1,803)
|
(1,588)
|
(1,803)
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(251)
|
(368)
|
325
|
(773)
|
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
|
|
|
|
|
| Gross Derivative Assets |
360,600
|
|
360,600
|
|
$ 351,600
|
| Gross Derivative Liabilities |
343,800
|
|
343,800
|
|
346,000
|
| 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 |
|
(226)
|
|
(359)
|
|
| Total Realized/Unrealized Gains/(Losses) |
|
(6)
|
|
(5)
|
|
| Gains (Losses) in OCI |
|
0
|
|
0
|
|
| Purchases |
|
0
|
|
0
|
|
| Sales |
|
0
|
|
0
|
|
| Issuances |
|
(10)
|
|
(12)
|
|
| Settlements |
|
8
|
|
36
|
|
| Gross Transfers into Level 3 |
|
(58)
|
|
(58)
|
|
| Gross Transfers out of Level 3 |
|
157
|
|
263
|
|
| Balance, ending |
|
(135)
|
|
(135)
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
|
(6)
|
|
(3)
|
|
| Corporate securities, trading loans and other |
|
|
|
|
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
(26)
|
(35)
|
(24)
|
(27)
|
|
| Total Realized/Unrealized Gains/(Losses) |
1
|
10
|
2
|
12
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
0
|
4
|
0
|
4
|
|
| Sales |
(9)
|
0
|
(11)
|
(10)
|
|
| Issuances |
(1)
|
(1)
|
(2)
|
(1)
|
|
| Settlements |
0
|
0
|
0
|
0
|
|
| Gross Transfers into Level 3 |
0
|
0
|
0
|
0
|
|
| Gross Transfers out of Level 3 |
0
|
0
|
0
|
0
|
|
| Balance, ending |
(35)
|
(22)
|
(35)
|
(22)
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
1
|
(1)
|
1
|
(1)
|
|
| Accrued expenses and other liabilities |
|
|
|
|
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
(8)
|
(9)
|
(8)
|
(9)
|
|
| Total Realized/Unrealized Gains/(Losses) |
0
|
0
|
0
|
0
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
0
|
0
|
0
|
0
|
|
| Sales |
0
|
0
|
0
|
0
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
8
|
0
|
8
|
0
|
|
| Gross Transfers into Level 3 |
0
|
0
|
0
|
0
|
|
| Gross Transfers out of Level 3 |
0
|
0
|
0
|
0
|
|
| Balance, ending |
0
|
(9)
|
0
|
(9)
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
0
|
0
|
0
|
0
|
|
| Long-term debt |
|
|
|
|
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
(1,351)
|
(1,660)
|
(1,863)
|
(1,514)
|
|
| Total Realized/Unrealized Gains/(Losses) |
63
|
10
|
86
|
(73)
|
|
| Gains (Losses) in OCI |
2
|
(18)
|
3
|
(11)
|
|
| Purchases |
4
|
7
|
9
|
18
|
|
| Sales |
0
|
0
|
0
|
0
|
|
| Issuances |
(53)
|
(20)
|
(120)
|
(150)
|
|
| Settlements |
151
|
124
|
323
|
283
|
|
| Gross Transfers into Level 3 |
(114)
|
(108)
|
(147)
|
(286)
|
|
| Gross Transfers out of Level 3 |
73
|
19
|
484
|
87
|
|
| Balance, ending |
(1,225)
|
(1,646)
|
(1,225)
|
(1,646)
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
66
|
10
|
51
|
(38)
|
|
| Level 3 | Recurring |
|
|
|
|
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
|
|
(1,714)
|
|
|
| Balance, ending |
(1,588)
|
|
(1,588)
|
|
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
|
|
|
|
|
| Gross Derivative Assets |
4,511
|
4,000
|
4,511
|
4,000
|
4,067
|
| Gross Derivative Liabilities |
6,099
|
5,800
|
6,099
|
5,800
|
$ 5,781
|
| Corporate securities, trading loans and other |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
1,716
|
2,029
|
1,864
|
2,777
|
|
| Total Realized/Unrealized Gains/(Losses) |
(37)
|
64
|
(28)
|
148
|
|
| Gains (Losses) in OCI |
(1)
|
0
|
(1)
|
0
|
|
| Purchases |
81
|
119
|
274
|
318
|
|
| Sales |
(75)
|
(120)
|
(211)
|
(600)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(74)
|
(108)
|
(213)
|
(235)
|
|
| Gross Transfers into Level 3 |
145
|
143
|
248
|
218
|
|
| Gross Transfers out of Level 3 |
(117)
|
(350)
|
(295)
|
(849)
|
|
| Balance, ending |
1,638
|
1,777
|
1,638
|
1,777
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(67)
|
30
|
(76)
|
57
|
|
| Equity securities |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
212
|
288
|
235
|
281
|
|
| Total Realized/Unrealized Gains/(Losses) |
1
|
3
|
9
|
15
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
2
|
22
|
8
|
42
|
|
| Sales |
(4)
|
(47)
|
(11)
|
(64)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(4)
|
0
|
(4)
|
(10)
|
|
| Gross Transfers into Level 3 |
29
|
30
|
30
|
102
|
|
| Gross Transfers out of Level 3 |
(8)
|
(67)
|
(39)
|
(137)
|
|
| Balance, ending |
228
|
229
|
228
|
229
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(3)
|
0
|
9
|
(1)
|
|
| Non-U.S. sovereign debt |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
401
|
527
|
556
|
510
|
|
| Total Realized/Unrealized Gains/(Losses) |
13
|
12
|
29
|
31
|
|
| Gains (Losses) in OCI |
(44)
|
(16)
|
(42)
|
(6)
|
|
| Purchases |
7
|
26
|
7
|
26
|
|
| Sales |
0
|
(50)
|
(50)
|
(59)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
0
|
(62)
|
(8)
|
(68)
|
|
| Gross Transfers into Level 3 |
8
|
69
|
8
|
72
|
|
| Gross Transfers out of Level 3 |
(17)
|
0
|
(132)
|
0
|
|
| Balance, ending |
368
|
506
|
368
|
506
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
13
|
12
|
28
|
27
|
|
| Mortgage trading loans, ABS and other MBS |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
1,372
|
1,215
|
1,498
|
1,211
|
|
| Total Realized/Unrealized Gains/(Losses) |
42
|
78
|
141
|
185
|
|
| Gains (Losses) in OCI |
0
|
(1)
|
3
|
(1)
|
|
| Purchases |
192
|
258
|
317
|
597
|
|
| Sales |
(256)
|
(314)
|
(576)
|
(689)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(38)
|
(69)
|
(107)
|
(123)
|
|
| Gross Transfers into Level 3 |
256
|
76
|
350
|
104
|
|
| Gross Transfers out of Level 3 |
(45)
|
(11)
|
(103)
|
(52)
|
|
| Balance, ending |
1,523
|
1,232
|
1,523
|
1,232
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
32
|
53
|
81
|
117
|
|
| Trading Securities |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
3,701
|
4,059
|
4,153
|
4,779
|
|
| Total Realized/Unrealized Gains/(Losses) |
19
|
157
|
151
|
379
|
|
| Gains (Losses) in OCI |
(45)
|
(17)
|
(40)
|
(7)
|
|
| Purchases |
282
|
425
|
606
|
983
|
|
| Sales |
(335)
|
(531)
|
(848)
|
(1,412)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(116)
|
(239)
|
(332)
|
(436)
|
|
| Gross Transfers into Level 3 |
438
|
318
|
636
|
496
|
|
| Gross Transfers out of Level 3 |
(187)
|
(428)
|
(569)
|
(1,038)
|
|
| Balance, ending |
3,757
|
3,744
|
3,757
|
3,744
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(25)
|
95
|
42
|
200
|
|
| Non-agency residential MBS |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
0
|
|
0
|
|
|
| Total Realized/Unrealized Gains/(Losses) |
8
|
|
8
|
|
|
| Gains (Losses) in OCI |
(14)
|
|
(14)
|
|
|
| Purchases |
0
|
|
0
|
|
|
| Sales |
0
|
|
0
|
|
|
| Issuances |
0
|
|
0
|
|
|
| Settlements |
0
|
|
0
|
|
|
| Gross Transfers into Level 3 |
459
|
|
459
|
|
|
| Gross Transfers out of Level 3 |
0
|
|
0
|
|
|
| Balance, ending |
453
|
|
453
|
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
0
|
|
0
|
|
|
| Non-U.S. securities |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
23
|
207
|
25
|
229
|
|
| Total Realized/Unrealized Gains/(Losses) |
0
|
1
|
0
|
1
|
|
| Gains (Losses) in OCI |
(1)
|
9
|
(1)
|
12
|
|
| Purchases |
0
|
22
|
0
|
42
|
|
| Sales |
(10)
|
0
|
(10)
|
0
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(12)
|
(100)
|
(14)
|
(145)
|
|
| Gross Transfers into Level 3 |
3
|
0
|
3
|
0
|
|
| Gross Transfers out of Level 3 |
0
|
0
|
0
|
0
|
|
| Balance, ending |
3
|
139
|
3
|
139
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
0
|
0
|
0
|
0
|
|
| Other taxable securities |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
43
|
579
|
509
|
594
|
|
| Total Realized/Unrealized Gains/(Losses) |
1
|
0
|
2
|
3
|
|
| Gains (Losses) in OCI |
(2)
|
1
|
(2)
|
5
|
|
| Purchases |
0
|
5
|
0
|
5
|
|
| Sales |
0
|
0
|
0
|
0
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(3)
|
(8)
|
(10)
|
(30)
|
|
| Gross Transfers into Level 3 |
60
|
0
|
60
|
0
|
|
| Gross Transfers out of Level 3 |
0
|
(94)
|
(460)
|
(94)
|
|
| Balance, ending |
99
|
483
|
99
|
483
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
0
|
0
|
0
|
0
|
|
| Tax-exempt securities |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
0
|
520
|
469
|
542
|
|
| Total Realized/Unrealized Gains/(Losses) |
0
|
0
|
0
|
0
|
|
| Gains (Losses) in OCI |
0
|
(2)
|
0
|
0
|
|
| Purchases |
0
|
0
|
0
|
0
|
|
| Sales |
0
|
0
|
0
|
(56)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
0
|
0
|
0
|
(3)
|
|
| Gross Transfers into Level 3 |
1
|
0
|
1
|
35
|
|
| Gross Transfers out of Level 3 |
0
|
0
|
(469)
|
0
|
|
| Balance, ending |
1
|
518
|
1
|
518
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
0
|
0
|
0
|
0
|
|
| Available-for-sale Securities |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
66
|
1,306
|
1,003
|
1,365
|
|
| Total Realized/Unrealized Gains/(Losses) |
9
|
1
|
10
|
4
|
|
| Gains (Losses) in OCI |
(17)
|
8
|
(17)
|
17
|
|
| Purchases |
0
|
27
|
0
|
47
|
|
| Sales |
(10)
|
0
|
(10)
|
(56)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(15)
|
(108)
|
(24)
|
(178)
|
|
| Gross Transfers into Level 3 |
523
|
0
|
523
|
35
|
|
| Gross Transfers out of Level 3 |
0
|
(94)
|
(929)
|
(94)
|
|
| Balance, ending |
556
|
1,140
|
556
|
1,140
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
0
|
0
|
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 |
0
|
24
|
0
|
25
|
|
| Total Realized/Unrealized Gains/(Losses) |
(4)
|
0
|
(4)
|
(1)
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
0
|
0
|
0
|
0
|
|
| Sales |
(7)
|
0
|
(7)
|
0
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
0
|
(1)
|
0
|
(1)
|
|
| Gross Transfers into Level 3 |
298
|
0
|
298
|
0
|
|
| Gross Transfers out of Level 3 |
0
|
0
|
0
|
0
|
|
| Balance, ending |
287
|
23
|
287
|
23
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
5
|
0
|
5
|
0
|
|
| Loans and leases |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
526
|
702
|
571
|
720
|
|
| Total Realized/Unrealized Gains/(Losses) |
(4)
|
6
|
(20)
|
18
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
0
|
0
|
0
|
0
|
|
| Sales |
(5)
|
0
|
(9)
|
0
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(24)
|
(34)
|
(49)
|
(64)
|
|
| Gross Transfers into Level 3 |
0
|
0
|
0
|
0
|
|
| Gross Transfers out of Level 3 |
0
|
(7)
|
0
|
(7)
|
|
| Balance, ending |
493
|
667
|
493
|
667
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(4)
|
6
|
(19)
|
16
|
|
| Loans Held-for-Sale |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
685
|
792
|
690
|
656
|
|
| Total Realized/Unrealized Gains/(Losses) |
(12)
|
42
|
12
|
71
|
|
| Gains (Losses) in OCI |
(27)
|
(9)
|
(27)
|
(3)
|
|
| Purchases |
0
|
2
|
12
|
2
|
|
| Sales |
0
|
(19)
|
0
|
(155)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(37)
|
(128)
|
(78)
|
(188)
|
|
| Gross Transfers into Level 3 |
0
|
100
|
0
|
415
|
|
| Gross Transfers out of Level 3 |
(32)
|
(14)
|
(32)
|
(32)
|
|
| Balance, ending |
577
|
766
|
577
|
766
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(16)
|
26
|
5
|
71
|
|
| Other assets |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
3,295
|
2,841
|
2,425
|
2,986
|
|
| Total Realized/Unrealized Gains/(Losses) |
76
|
2
|
268
|
(31)
|
|
| Gains (Losses) in OCI |
0
|
12
|
0
|
12
|
|
| Purchases |
2
|
2
|
2
|
2
|
|
| Sales |
(8)
|
1
|
(46)
|
6
|
|
| Issuances |
23
|
63
|
52
|
138
|
|
| Settlements |
(169)
|
(190)
|
(411)
|
(382)
|
|
| Gross Transfers into Level 3 |
0
|
64
|
929
|
64
|
|
| Gross Transfers out of Level 3 |
(35)
|
0
|
(35)
|
0
|
|
| Balance, ending |
3,184
|
2,795
|
3,184
|
2,795
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
$ 8
|
$ (71)
|
$ 145
|
$ (194)
|
|