Fair Value Measurements - Reconciliation (Details) - USD ($)
$ in Millions |
3 Months Ended |
9 Months Ended |
|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
Dec. 31, 2016 |
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
$ (1,803)
|
$ (648)
|
$ (1,313)
|
$ (441)
|
|
| Total Realized/Unrealized Gains/(Losses) |
(252)
|
(131)
|
(1,098)
|
356
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
150
|
114
|
558
|
313
|
|
| Sales |
(367)
|
(346)
|
(843)
|
(965)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
278
|
118
|
722
|
7
|
|
| Gross Transfers into Level 3 |
7
|
(53)
|
36
|
(177)
|
|
| Gross Transfers out of Level 3 |
(36)
|
(41)
|
(85)
|
(80)
|
|
| Balance, ending |
(2,023)
|
(987)
|
(2,023)
|
(987)
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(283)
|
(198)
|
(561)
|
(108)
|
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
|
|
|
|
|
| Gross derivative assets |
370,700
|
|
370,700
|
|
$ 631,100
|
| Gross derivative liabilities |
362,400
|
|
362,400
|
|
628,300
|
| 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 |
(135)
|
(313)
|
(359)
|
(335)
|
|
| Total Realized/Unrealized Gains/(Losses) |
0
|
(17)
|
(5)
|
12
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
0
|
0
|
0
|
0
|
|
| Sales |
0
|
0
|
0
|
0
|
|
| Issuances |
0
|
0
|
(12)
|
(14)
|
|
| Settlements |
135
|
10
|
171
|
17
|
|
| Gross Transfers into Level 3 |
0
|
(19)
|
(58)
|
(19)
|
|
| Gross Transfers out of Level 3 |
0
|
1
|
263
|
1
|
|
| Balance, ending |
0
|
(338)
|
0
|
(338)
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
0
|
(17)
|
(5)
|
(21)
|
|
| Corporate securities, trading loans and other |
|
|
|
|
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
(22)
|
(26)
|
(27)
|
(21)
|
|
| Total Realized/Unrealized Gains/(Losses) |
1
|
2
|
13
|
4
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
0
|
0
|
4
|
1
|
|
| Sales |
(3)
|
(2)
|
(13)
|
(10)
|
|
| Issuances |
(1)
|
0
|
(2)
|
0
|
|
| 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 |
(25)
|
(26)
|
(25)
|
(26)
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
0
|
1
|
(1)
|
3
|
|
| 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
|
|
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)
|
(9)
|
(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 |
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 |
(9)
|
(9)
|
(9)
|
(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 |
(1,646)
|
(2,156)
|
(1,514)
|
(1,513)
|
|
| Total Realized/Unrealized Gains/(Losses) |
(87)
|
(22)
|
(160)
|
(192)
|
|
| Gains (Losses) in OCI |
(7)
|
(23)
|
(18)
|
(41)
|
|
| Purchases |
63
|
15
|
81
|
44
|
|
| Sales |
0
|
0
|
0
|
0
|
|
| Issuances |
(129)
|
(3)
|
(279)
|
(326)
|
|
| Settlements |
115
|
363
|
398
|
496
|
|
| Gross Transfers into Level 3 |
(244)
|
(206)
|
(530)
|
(751)
|
|
| Gross Transfers out of Level 3 |
45
|
98
|
132
|
349
|
|
| Balance, ending |
(1,890)
|
(1,934)
|
(1,890)
|
(1,934)
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(87)
|
(24)
|
(158)
|
(208)
|
|
| Level 3 | Recurring |
|
|
|
|
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
|
|
(1,313)
|
|
|
| Balance, ending |
(2,023)
|
|
(2,023)
|
|
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
|
|
|
|
|
| Gross derivative assets |
3,878
|
4,900
|
3,878
|
4,900
|
3,931
|
| Gross derivative liabilities |
5,901
|
5,900
|
5,901
|
5,900
|
$ 5,244
|
| Corporate securities, trading loans and other |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
1,777
|
2,654
|
2,777
|
2,838
|
|
| Total Realized/Unrealized Gains/(Losses) |
77
|
57
|
225
|
118
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
2
|
|
| Purchases |
35
|
226
|
353
|
925
|
|
| Sales |
(79)
|
(245)
|
(679)
|
(638)
|
|
| Issuances |
5
|
0
|
5
|
0
|
|
| Settlements |
(208)
|
(134)
|
(443)
|
(479)
|
|
| Gross Transfers into Level 3 |
288
|
202
|
506
|
432
|
|
| Gross Transfers out of Level 3 |
(153)
|
(198)
|
(1,002)
|
(636)
|
|
| Balance, ending |
1,742
|
2,562
|
1,742
|
2,562
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
35
|
20
|
72
|
11
|
|
| Equity securities |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
229
|
455
|
281
|
407
|
|
| Total Realized/Unrealized Gains/(Losses) |
8
|
11
|
23
|
93
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
3
|
10
|
45
|
53
|
|
| Sales |
(3)
|
(98)
|
(67)
|
(135)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
0
|
0
|
(10)
|
(72)
|
|
| Gross Transfers into Level 3 |
17
|
27
|
119
|
60
|
|
| Gross Transfers out of Level 3 |
(10)
|
(39)
|
(147)
|
(40)
|
|
| Balance, ending |
244
|
366
|
244
|
366
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
10
|
5
|
11
|
(19)
|
|
| Non-U.S. sovereign debt |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
506
|
630
|
510
|
521
|
|
| Total Realized/Unrealized Gains/(Losses) |
33
|
20
|
64
|
112
|
|
| Gains (Losses) in OCI |
18
|
(7)
|
12
|
91
|
|
| Purchases |
0
|
0
|
26
|
3
|
|
| Sales |
0
|
0
|
(59)
|
(1)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(5)
|
(4)
|
(73)
|
(87)
|
|
| Gross Transfers into Level 3 |
0
|
0
|
72
|
0
|
|
| Gross Transfers out of Level 3 |
0
|
0
|
0
|
0
|
|
| Balance, ending |
552
|
639
|
552
|
639
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
33
|
19
|
60
|
110
|
|
| Mortgage trading loans, ABS and other MBS |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
1,232
|
1,286
|
1,211
|
1,868
|
|
| Total Realized/Unrealized Gains/(Losses) |
10
|
102
|
195
|
197
|
|
| Gains (Losses) in OCI |
(1)
|
0
|
(2)
|
(2)
|
|
| Purchases |
150
|
331
|
747
|
681
|
|
| Sales |
(157)
|
(441)
|
(846)
|
(1,264)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(46)
|
(103)
|
(169)
|
(270)
|
|
| Gross Transfers into Level 3 |
83
|
15
|
187
|
91
|
|
| Gross Transfers out of Level 3 |
(19)
|
(24)
|
(71)
|
(135)
|
|
| Balance, ending |
1,252
|
1,166
|
1,252
|
1,166
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(2)
|
62
|
107
|
110
|
|
| Trading Securities |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
3,744
|
5,025
|
4,779
|
5,634
|
|
| Total Realized/Unrealized Gains/(Losses) |
128
|
190
|
507
|
520
|
|
| Gains (Losses) in OCI |
17
|
(7)
|
10
|
91
|
|
| Purchases |
188
|
567
|
1,171
|
1,662
|
|
| Sales |
(239)
|
(784)
|
(1,651)
|
(2,038)
|
|
| Issuances |
5
|
0
|
5
|
0
|
|
| Settlements |
(259)
|
(241)
|
(695)
|
(908)
|
|
| Gross Transfers into Level 3 |
388
|
244
|
884
|
583
|
|
| Gross Transfers out of Level 3 |
(182)
|
(261)
|
(1,220)
|
(811)
|
|
| Balance, ending |
3,790
|
4,733
|
3,790
|
4,733
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
76
|
106
|
250
|
212
|
|
| Non-agency residential MBS |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
|
134
|
|
106
|
|
| Total Realized/Unrealized Gains/(Losses) |
|
0
|
|
0
|
|
| Gains (Losses) in OCI |
|
0
|
|
3
|
|
| Purchases |
|
189
|
|
385
|
|
| Sales |
|
0
|
|
(92)
|
|
| Issuances |
|
0
|
|
0
|
|
| Settlements |
|
(102)
|
|
(181)
|
|
| Gross Transfers into Level 3 |
|
6
|
|
6
|
|
| Gross Transfers out of Level 3 |
|
0
|
|
0
|
|
| Balance, ending |
|
227
|
|
227
|
|
| 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 |
139
|
|
229
|
|
|
| Total Realized/Unrealized Gains/(Losses) |
1
|
|
2
|
|
|
| Gains (Losses) in OCI |
4
|
|
16
|
|
|
| Purchases |
7
|
|
49
|
|
|
| Sales |
0
|
|
0
|
|
|
| Issuances |
0
|
|
0
|
|
|
| Settlements |
(115)
|
|
(260)
|
|
|
| Gross Transfers into Level 3 |
0
|
|
0
|
|
|
| Gross Transfers out of Level 3 |
0
|
|
0
|
|
|
| Balance, ending |
36
|
|
36
|
|
|
| Change in Unrealized Gains/(Losses) 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 |
483
|
717
|
594
|
757
|
|
| Total Realized/Unrealized Gains/(Losses) |
0
|
1
|
3
|
3
|
|
| Gains (Losses) in OCI |
1
|
(1)
|
6
|
(7)
|
|
| Purchases |
0
|
0
|
5
|
0
|
|
| Sales |
0
|
0
|
0
|
0
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(1)
|
(30)
|
(31)
|
(66)
|
|
| Gross Transfers into Level 3 |
0
|
0
|
0
|
0
|
|
| Gross Transfers out of Level 3 |
0
|
0
|
(94)
|
0
|
|
| Balance, ending |
483
|
687
|
483
|
687
|
|
| 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 |
518
|
559
|
542
|
569
|
|
| Total Realized/Unrealized Gains/(Losses) |
0
|
0
|
0
|
0
|
|
| Gains (Losses) in OCI |
1
|
2
|
1
|
(8)
|
|
| Purchases |
0
|
0
|
0
|
1
|
|
| Sales |
0
|
0
|
(56)
|
0
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(7)
|
0
|
(10)
|
(1)
|
|
| Gross Transfers into Level 3 |
0
|
10
|
35
|
10
|
|
| Gross Transfers out of Level 3 |
(45)
|
0
|
(45)
|
0
|
|
| Balance, ending |
467
|
571
|
467
|
571
|
|
| 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 |
1,140
|
1,410
|
1,365
|
1,432
|
|
| Total Realized/Unrealized Gains/(Losses) |
1
|
1
|
5
|
3
|
|
| Gains (Losses) in OCI |
6
|
1
|
23
|
(12)
|
|
| Purchases |
7
|
189
|
54
|
386
|
|
| Sales |
0
|
0
|
(56)
|
(92)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(123)
|
(132)
|
(301)
|
(248)
|
|
| Gross Transfers into Level 3 |
0
|
16
|
35
|
16
|
|
| Gross Transfers out of Level 3 |
(45)
|
0
|
(139)
|
0
|
|
| Balance, ending |
986
|
1,485
|
986
|
1,485
|
|
| 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 |
23
|
28
|
25
|
30
|
|
| Total Realized/Unrealized Gains/(Losses) |
0
|
(2)
|
(1)
|
(4)
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
0
|
0
|
0
|
0
|
|
| Sales |
0
|
0
|
0
|
0
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(1)
|
0
|
(2)
|
0
|
|
| Gross Transfers into Level 3 |
0
|
0
|
0
|
0
|
|
| Gross Transfers out of Level 3 |
0
|
0
|
0
|
0
|
|
| Balance, ending |
22
|
26
|
22
|
26
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
0
|
0
|
0
|
0
|
|
| Loans and leases |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
667
|
1,459
|
720
|
1,620
|
|
| Total Realized/Unrealized Gains/(Losses) |
2
|
(9)
|
20
|
(13)
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
2
|
0
|
2
|
69
|
|
| Sales |
(24)
|
0
|
(24)
|
0
|
|
| Issuances |
0
|
0
|
0
|
50
|
|
| Settlements |
(29)
|
(54)
|
(93)
|
(143)
|
|
| Gross Transfers into Level 3 |
0
|
0
|
0
|
6
|
|
| Gross Transfers out of Level 3 |
0
|
(41)
|
(7)
|
(234)
|
|
| Balance, ending |
618
|
1,355
|
618
|
1,355
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
2
|
(8)
|
18
|
(3)
|
|
| Mortgage servicing rights |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
2,501
|
2,269
|
2,747
|
3,087
|
|
| Total Realized/Unrealized Gains/(Losses) |
54
|
313
|
40
|
(295)
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
0
|
0
|
0
|
0
|
|
| Sales |
(28)
|
0
|
(22)
|
0
|
|
| Issuances |
69
|
101
|
207
|
307
|
|
| Settlements |
(189)
|
(206)
|
(565)
|
(622)
|
|
| Gross Transfers into Level 3 |
0
|
0
|
0
|
0
|
|
| Gross Transfers out of Level 3 |
0
|
0
|
0
|
0
|
|
| Balance, ending |
2,407
|
2,477
|
2,407
|
2,477
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(20)
|
262
|
(202)
|
(457)
|
|
| Loans Held-for-Sale |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
766
|
690
|
656
|
787
|
|
| Total Realized/Unrealized Gains/(Losses) |
38
|
13
|
109
|
97
|
|
| Gains (Losses) in OCI |
10
|
(4)
|
7
|
51
|
|
| Purchases |
0
|
0
|
2
|
20
|
|
| Sales |
(4)
|
(56)
|
(159)
|
(236)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(93)
|
(25)
|
(281)
|
(77)
|
|
| Gross Transfers into Level 3 |
58
|
4
|
473
|
43
|
|
| Gross Transfers out of Level 3 |
0
|
(35)
|
(32)
|
(98)
|
|
| Balance, ending |
775
|
587
|
775
|
587
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
27
|
10
|
60
|
76
|
|
| Other assets |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
294
|
348
|
239
|
374
|
|
| Total Realized/Unrealized Gains/(Losses) |
70
|
11
|
53
|
(27)
|
|
| Gains (Losses) in OCI |
(43)
|
0
|
(31)
|
0
|
|
| Purchases |
0
|
4
|
2
|
38
|
|
| Sales |
(52)
|
0
|
(52)
|
0
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(2)
|
0
|
(8)
|
(24)
|
|
| Gross Transfers into Level 3 |
0
|
0
|
64
|
2
|
|
| Gross Transfers out of Level 3 |
0
|
0
|
0
|
0
|
|
| Balance, ending |
267
|
363
|
267
|
363
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
$ 28
|
$ 17
|
$ 21
|
$ (15)
|
|