Fair Value Measurements - Reconciliation (Details) - USD ($)
$ in Millions |
3 Months Ended |
9 Months Ended |
|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
Dec. 31, 2017 |
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
$ (1,588)
|
$ (1,803)
|
$ (1,714)
|
$ (1,313)
|
|
| Total Realized/Unrealized Gains/(Losses) |
(53)
|
(252)
|
203
|
(1,098)
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
23
|
150
|
371
|
558
|
|
| Sales |
(66)
|
(367)
|
(919)
|
(843)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
111
|
278
|
488
|
722
|
|
| Gross Transfers into Level 3 |
20
|
7
|
87
|
36
|
|
| Gross Transfers out of Level 3 |
983
|
(36)
|
914
|
(85)
|
|
| Balance, ending |
(570)
|
(2,023)
|
(570)
|
(2,023)
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(51)
|
(283)
|
(138)
|
(561)
|
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
|
|
|
|
|
| Derivative assets, gross |
337,300
|
|
337,300
|
|
$ 351,600
|
| Derivative liabilities, gross |
324,100
|
|
324,100
|
|
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 |
|
(135)
|
|
(359)
|
|
| Total Realized/Unrealized Gains/(Losses) |
|
0
|
|
(5)
|
|
| Gains (Losses) in OCI |
|
0
|
|
0
|
|
| Purchases |
|
0
|
|
0
|
|
| Sales |
|
0
|
|
0
|
|
| Issuances |
|
0
|
|
(12)
|
|
| Settlements |
|
135
|
|
171
|
|
| Gross Transfers into Level 3 |
|
0
|
|
(58)
|
|
| Gross Transfers out of Level 3 |
|
0
|
|
263
|
|
| Balance, ending |
|
0
|
|
0
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
|
0
|
|
(5)
|
|
| Corporate securities, trading loans and other |
|
|
|
|
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
(35)
|
(22)
|
(24)
|
(27)
|
|
| Total Realized/Unrealized Gains/(Losses) |
9
|
1
|
11
|
13
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
9
|
0
|
9
|
4
|
|
| Sales |
0
|
(3)
|
(11)
|
(13)
|
|
| Issuances |
0
|
(1)
|
(2)
|
(2)
|
|
| 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 |
(17)
|
(25)
|
(17)
|
(25)
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(6)
|
0
|
(7)
|
(1)
|
|
| Accrued expenses and other liabilities |
|
|
|
|
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
|
(9)
|
(8)
|
(9)
|
|
| Total Realized/Unrealized Gains/(Losses) |
|
0
|
0
|
0
|
|
| Gains (Losses) in OCI |
|
0
|
0
|
0
|
|
| Purchases |
|
0
|
0
|
0
|
|
| Sales |
|
0
|
0
|
0
|
|
| Issuances |
|
0
|
0
|
0
|
|
| Settlements |
|
0
|
8
|
0
|
|
| Gross Transfers into Level 3 |
|
0
|
0
|
0
|
|
| Gross Transfers out of Level 3 |
|
0
|
0
|
0
|
|
| Balance, ending |
0
|
(9)
|
0
|
(9)
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
|
0
|
0
|
0
|
|
| Long-term debt |
|
|
|
|
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
(1,225)
|
(1,646)
|
(1,863)
|
(1,514)
|
|
| Total Realized/Unrealized Gains/(Losses) |
11
|
(87)
|
97
|
(160)
|
|
| Gains (Losses) in OCI |
(1)
|
(7)
|
2
|
(18)
|
|
| Purchases |
0
|
63
|
9
|
81
|
|
| Sales |
0
|
0
|
0
|
0
|
|
| Issuances |
(11)
|
(129)
|
(131)
|
(279)
|
|
| Settlements |
106
|
115
|
429
|
398
|
|
| Gross Transfers into Level 3 |
(106)
|
(244)
|
(253)
|
(530)
|
|
| Gross Transfers out of Level 3 |
303
|
45
|
787
|
132
|
|
| Balance, ending |
(923)
|
(1,890)
|
(923)
|
(1,890)
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
13
|
(87)
|
87
|
(158)
|
|
| Level 3 | Recurring |
|
|
|
|
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
|
|
(1,714)
|
|
|
| Balance, ending |
(570)
|
|
(570)
|
|
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
|
|
|
|
|
| Derivative assets, gross |
4,380
|
3,900
|
4,380
|
3,900
|
4,067
|
| Derivative liabilities, gross |
4,950
|
5,900
|
4,950
|
5,900
|
$ 5,781
|
| Corporate securities, trading loans and other |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
1,638
|
1,777
|
1,864
|
2,777
|
|
| Total Realized/Unrealized Gains/(Losses) |
14
|
77
|
(14)
|
225
|
|
| Gains (Losses) in OCI |
0
|
0
|
(1)
|
0
|
|
| Purchases |
54
|
35
|
328
|
353
|
|
| Sales |
(87)
|
(79)
|
(298)
|
(679)
|
|
| Issuances |
0
|
5
|
0
|
5
|
|
| Settlements |
(175)
|
(208)
|
(388)
|
(443)
|
|
| Gross Transfers into Level 3 |
269
|
288
|
517
|
506
|
|
| Gross Transfers out of Level 3 |
(179)
|
(153)
|
(474)
|
(1,002)
|
|
| Balance, ending |
1,534
|
1,742
|
1,534
|
1,742
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(14)
|
35
|
(88)
|
72
|
|
| Equity securities |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
228
|
229
|
235
|
281
|
|
| Total Realized/Unrealized Gains/(Losses) |
8
|
8
|
17
|
23
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
21
|
3
|
29
|
45
|
|
| Sales |
0
|
(3)
|
(11)
|
(67)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
0
|
0
|
(4)
|
(10)
|
|
| Gross Transfers into Level 3 |
43
|
17
|
73
|
119
|
|
| Gross Transfers out of Level 3 |
(10)
|
(10)
|
(49)
|
(147)
|
|
| Balance, ending |
290
|
244
|
290
|
244
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
8
|
10
|
17
|
11
|
|
| Non-U.S. sovereign debt |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
368
|
506
|
556
|
510
|
|
| Total Realized/Unrealized Gains/(Losses) |
10
|
33
|
39
|
64
|
|
| Gains (Losses) in OCI |
(13)
|
18
|
(55)
|
12
|
|
| Purchases |
0
|
0
|
7
|
26
|
|
| Sales |
0
|
0
|
(50)
|
(59)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
0
|
(5)
|
(8)
|
(73)
|
|
| Gross Transfers into Level 3 |
109
|
0
|
117
|
72
|
|
| Gross Transfers out of Level 3 |
(5)
|
0
|
(137)
|
0
|
|
| Balance, ending |
469
|
552
|
469
|
552
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
11
|
33
|
40
|
60
|
|
| Mortgage trading loans, ABS and other MBS |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
1,523
|
1,232
|
1,498
|
1,211
|
|
| Total Realized/Unrealized Gains/(Losses) |
16
|
10
|
157
|
195
|
|
| Gains (Losses) in OCI |
(1)
|
(1)
|
2
|
(2)
|
|
| Purchases |
75
|
150
|
392
|
747
|
|
| Sales |
(184)
|
(157)
|
(760)
|
(846)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(29)
|
(46)
|
(136)
|
(169)
|
|
| Gross Transfers into Level 3 |
191
|
83
|
541
|
187
|
|
| Gross Transfers out of Level 3 |
(112)
|
(19)
|
(215)
|
(71)
|
|
| Balance, ending |
1,479
|
1,252
|
1,479
|
1,252
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
8
|
(2)
|
92
|
107
|
|
| Trading Securities |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
3,757
|
3,744
|
4,153
|
4,779
|
|
| Total Realized/Unrealized Gains/(Losses) |
48
|
128
|
199
|
507
|
|
| Gains (Losses) in OCI |
(14)
|
17
|
(54)
|
10
|
|
| Purchases |
150
|
188
|
756
|
1,171
|
|
| Sales |
(271)
|
(239)
|
(1,119)
|
(1,651)
|
|
| Issuances |
0
|
5
|
0
|
5
|
|
| Settlements |
(204)
|
(259)
|
(536)
|
(695)
|
|
| Gross Transfers into Level 3 |
612
|
388
|
1,248
|
884
|
|
| Gross Transfers out of Level 3 |
(306)
|
(182)
|
(875)
|
(1,220)
|
|
| Balance, ending |
3,772
|
3,790
|
3,772
|
3,790
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
13
|
76
|
61
|
250
|
|
| Non-agency residential MBS |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
453
|
|
0
|
|
|
| Total Realized/Unrealized Gains/(Losses) |
31
|
|
39
|
|
|
| Gains (Losses) in OCI |
(28)
|
|
(42)
|
|
|
| Purchases |
0
|
|
0
|
|
|
| Sales |
(72)
|
|
(72)
|
|
|
| Issuances |
0
|
|
0
|
|
|
| Settlements |
0
|
|
0
|
|
|
| Gross Transfers into Level 3 |
235
|
|
694
|
|
|
| Gross Transfers out of Level 3 |
(75)
|
|
(75)
|
|
|
| Balance, ending |
544
|
|
544
|
|
|
| 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 |
3
|
139
|
25
|
229
|
|
| Total Realized/Unrealized Gains/(Losses) |
0
|
1
|
0
|
2
|
|
| Gains (Losses) in OCI |
0
|
4
|
(1)
|
16
|
|
| Purchases |
0
|
7
|
0
|
49
|
|
| Sales |
0
|
0
|
(10)
|
0
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
0
|
(115)
|
(14)
|
(260)
|
|
| Gross Transfers into Level 3 |
0
|
0
|
3
|
0
|
|
| Gross Transfers out of Level 3 |
0
|
0
|
0
|
0
|
|
| Balance, ending |
3
|
36
|
3
|
36
|
|
| 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 |
99
|
483
|
509
|
594
|
|
| Total Realized/Unrealized Gains/(Losses) |
(1)
|
0
|
1
|
3
|
|
| Gains (Losses) in OCI |
(3)
|
1
|
(5)
|
6
|
|
| Purchases |
0
|
0
|
0
|
5
|
|
| Sales |
(22)
|
0
|
(22)
|
0
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
0
|
(1)
|
(10)
|
(31)
|
|
| Gross Transfers into Level 3 |
0
|
0
|
60
|
0
|
|
| Gross Transfers out of Level 3 |
(66)
|
0
|
(526)
|
(94)
|
|
| Balance, ending |
7
|
483
|
7
|
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 |
1
|
518
|
469
|
542
|
|
| Total Realized/Unrealized Gains/(Losses) |
0
|
0
|
0
|
0
|
|
| Gains (Losses) in OCI |
0
|
1
|
0
|
1
|
|
| Purchases |
0
|
0
|
0
|
0
|
|
| Sales |
0
|
0
|
0
|
(56)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
0
|
(7)
|
0
|
(10)
|
|
| Gross Transfers into Level 3 |
0
|
0
|
1
|
35
|
|
| Gross Transfers out of Level 3 |
0
|
(45)
|
(469)
|
(45)
|
|
| Balance, ending |
1
|
467
|
1
|
467
|
|
| 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 |
556
|
1,140
|
1,003
|
1,365
|
|
| Total Realized/Unrealized Gains/(Losses) |
30
|
1
|
40
|
5
|
|
| Gains (Losses) in OCI |
(31)
|
6
|
(48)
|
23
|
|
| Purchases |
0
|
7
|
0
|
54
|
|
| Sales |
(94)
|
0
|
(104)
|
(56)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
0
|
(123)
|
(24)
|
(301)
|
|
| Gross Transfers into Level 3 |
235
|
0
|
758
|
35
|
|
| Gross Transfers out of Level 3 |
(141)
|
(45)
|
(1,070)
|
(139)
|
|
| Balance, ending |
555
|
986
|
555
|
986
|
|
| 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 |
287
|
23
|
0
|
25
|
|
| Total Realized/Unrealized Gains/(Losses) |
(23)
|
0
|
(27)
|
(1)
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
0
|
0
|
0
|
0
|
|
| Sales |
0
|
0
|
(7)
|
0
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
0
|
(1)
|
0
|
(2)
|
|
| Gross Transfers into Level 3 |
60
|
0
|
358
|
0
|
|
| Gross Transfers out of Level 3 |
(28)
|
0
|
(28)
|
0
|
|
| Balance, ending |
296
|
22
|
296
|
22
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(10)
|
0
|
(5)
|
0
|
|
| Loans and leases |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
493
|
667
|
571
|
720
|
|
| Total Realized/Unrealized Gains/(Losses) |
0
|
2
|
(20)
|
20
|
|
| Gains (Losses) in OCI |
0
|
0
|
0
|
0
|
|
| Purchases |
0
|
2
|
0
|
2
|
|
| Sales |
(62)
|
(24)
|
(71)
|
(24)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(21)
|
(29)
|
(70)
|
(93)
|
|
| Gross Transfers into Level 3 |
0
|
0
|
0
|
0
|
|
| Gross Transfers out of Level 3 |
0
|
0
|
0
|
(7)
|
|
| Balance, ending |
410
|
618
|
410
|
618
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
(1)
|
2
|
(17)
|
18
|
|
| Loans Held-for-Sale |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
577
|
766
|
690
|
656
|
|
| Total Realized/Unrealized Gains/(Losses) |
12
|
38
|
24
|
109
|
|
| Gains (Losses) in OCI |
(4)
|
10
|
(31)
|
7
|
|
| Purchases |
39
|
0
|
51
|
2
|
|
| Sales |
0
|
(4)
|
0
|
(159)
|
|
| Issuances |
0
|
0
|
0
|
0
|
|
| Settlements |
(82)
|
(93)
|
(160)
|
(281)
|
|
| Gross Transfers into Level 3 |
12
|
58
|
12
|
473
|
|
| Gross Transfers out of Level 3 |
(28)
|
0
|
(60)
|
(32)
|
|
| Balance, ending |
526
|
775
|
526
|
775
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
9
|
27
|
18
|
60
|
|
| Other assets |
|
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
|
| Balance, beginning |
3,184
|
2,795
|
2,425
|
2,986
|
|
| Total Realized/Unrealized Gains/(Losses) |
121
|
124
|
389
|
93
|
|
| Gains (Losses) in OCI |
0
|
(43)
|
0
|
(31)
|
|
| Purchases |
0
|
0
|
2
|
2
|
|
| Sales |
(22)
|
(80)
|
(68)
|
(74)
|
|
| Issuances |
31
|
69
|
83
|
207
|
|
| Settlements |
(174)
|
(191)
|
(585)
|
(573)
|
|
| Gross Transfers into Level 3 |
0
|
0
|
929
|
64
|
|
| Gross Transfers out of Level 3 |
0
|
0
|
(35)
|
0
|
|
| Balance, ending |
3,140
|
2,674
|
3,140
|
2,674
|
|
| Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held |
$ 55
|
$ 8
|
$ 188
|
$ (181)
|
|