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)
|
|