Fair Value Measurements - Level 3 Reconciliation (Details) - USD ($) $ in Millions |
12 Months Ended |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
$ (41)
|
$ 3
|
$ (105)
|
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
Balance, beginning |
(2,538)
|
(935)
|
(1,714)
|
Total realized and unrealized gains (losses) included in Net Income |
(235)
|
(37)
|
106
|
Gains (losses) in OCI |
0
|
0
|
0
|
Purchases |
120
|
298
|
531
|
Sales |
(646)
|
(837)
|
(1,179)
|
Issuances |
0
|
0
|
0
|
Settlements |
(112)
|
(97)
|
778
|
Gross Transfers into Level 3 |
(235)
|
147
|
39
|
Gross Transfers out of Level 3 |
178
|
(1,077)
|
504
|
Balance, ending |
(3,468)
|
(2,538)
|
(935)
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
(953)
|
228
|
(116)
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Derivative assets, gross |
434,600
|
344,800
|
|
Derivative liabilities, gross |
434,000
|
337,100
|
|
Gains (losses) in OCI |
(41)
|
3
|
(105)
|
Level 3 | Recurring |
|
|
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Derivative assets, gross |
2,751
|
2,226
|
3,500
|
Derivative liabilities, gross |
6,219
|
4,764
|
4,400
|
Trading account liabilities – Equity securities |
|
|
|
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
0
|
(2)
|
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
(2)
|
0
|
|
Total realized and unrealized gains (losses) included in Net Income |
1
|
(2)
|
|
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 |
1
|
0
|
|
Balance, ending |
0
|
(2)
|
0
|
Trading account liabilities – Corporate securities and other |
|
|
|
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
0
|
0
|
(7)
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
(15)
|
(18)
|
(24)
|
Total realized and unrealized gains (losses) included in Net Income |
8
|
8
|
11
|
Gains (losses) in OCI |
0
|
0
|
0
|
Purchases |
(7)
|
(1)
|
9
|
Sales |
(3)
|
(3)
|
(12)
|
Issuances |
0
|
(1)
|
(2)
|
Settlements |
1
|
0
|
0
|
Gross Transfers into Level 3 |
0
|
0
|
0
|
Gross Transfers out of Level 3 |
0
|
0
|
0
|
Balance, ending |
(16)
|
(15)
|
(18)
|
Accrued expenses and other liabilities |
|
|
|
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
|
|
0
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
|
0
|
(8)
|
Total realized and unrealized gains (losses) included in Net Income |
|
|
0
|
Gains (losses) in OCI |
|
|
0
|
Purchases |
|
|
0
|
Sales |
|
|
0
|
Issuances |
|
|
0
|
Settlements |
|
|
8
|
Gross Transfers into Level 3 |
|
|
0
|
Gross Transfers out of Level 3 |
|
|
0
|
Balance, ending |
|
|
0
|
Long-term debt |
|
|
|
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
(5)
|
(55)
|
95
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
(1,149)
|
(817)
|
(1,863)
|
Total realized and unrealized gains (losses) included in Net Income |
(46)
|
(59)
|
103
|
Gains (losses) in OCI |
2
|
(64)
|
4
|
Purchases |
(104)
|
0
|
9
|
Sales |
0
|
0
|
0
|
Issuances |
(47)
|
(40)
|
(141)
|
Settlements |
218
|
180
|
486
|
Gross Transfers into Level 3 |
(52)
|
(350)
|
(262)
|
Gross Transfers out of Level 3 |
14
|
1
|
847
|
Balance, ending |
(1,164)
|
(1,149)
|
(817)
|
Transfers into long term debt |
1,400
|
|
|
Corporate securities, trading loans and other |
|
|
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
1,507
|
1,558
|
1,864
|
Total realized and unrealized gains (losses) included in Net Income |
(138)
|
105
|
(32)
|
Gains (losses) in OCI |
(1)
|
0
|
(1)
|
Purchases |
430
|
534
|
436
|
Sales |
(242)
|
(390)
|
(403)
|
Issuances |
10
|
18
|
5
|
Settlements |
(282)
|
(578)
|
(568)
|
Gross Transfers into Level 3 |
639
|
699
|
804
|
Gross Transfers out of Level 3 |
(564)
|
(439)
|
(547)
|
Balance, ending |
1,359
|
1,507
|
1,558
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
(102)
|
29
|
(117)
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
(1)
|
0
|
(1)
|
Equity securities |
|
|
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
239
|
276
|
235
|
Total realized and unrealized gains (losses) included in Net Income |
(43)
|
(12)
|
(17)
|
Gains (losses) in OCI |
0
|
0
|
0
|
Purchases |
78
|
38
|
44
|
Sales |
(53)
|
(87)
|
(11)
|
Issuances |
0
|
0
|
0
|
Settlements |
(3)
|
(9)
|
(4)
|
Gross Transfers into Level 3 |
58
|
79
|
78
|
Gross Transfers out of Level 3 |
(49)
|
(46)
|
(49)
|
Balance, ending |
227
|
239
|
276
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
(31)
|
(18)
|
(22)
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
0
|
0
|
0
|
Non-U.S. sovereign debt |
|
|
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
482
|
465
|
556
|
Total realized and unrealized gains (losses) included in Net Income |
45
|
46
|
47
|
Gains (losses) in OCI |
(46)
|
(12)
|
(44)
|
Purchases |
76
|
1
|
13
|
Sales |
(61)
|
0
|
(57)
|
Issuances |
0
|
0
|
0
|
Settlements |
(39)
|
(51)
|
(30)
|
Gross Transfers into Level 3 |
150
|
39
|
117
|
Gross Transfers out of Level 3 |
(253)
|
(6)
|
(137)
|
Balance, ending |
354
|
482
|
465
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
47
|
47
|
48
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
(46)
|
(12)
|
(44)
|
Mortgage trading loans, ABS and other MBS |
|
|
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
1,553
|
1,635
|
1,498
|
Total realized and unrealized gains (losses) included in Net Income |
(120)
|
99
|
148
|
Gains (losses) in OCI |
(3)
|
(2)
|
3
|
Purchases |
577
|
662
|
585
|
Sales |
(746)
|
(899)
|
(910)
|
Issuances |
11
|
0
|
0
|
Settlements |
(96)
|
(175)
|
(158)
|
Gross Transfers into Level 3 |
757
|
738
|
705
|
Gross Transfers out of Level 3 |
(493)
|
(505)
|
(236)
|
Balance, ending |
1,440
|
1,553
|
1,635
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
(92)
|
26
|
97
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
(3)
|
(2)
|
3
|
Total trading account assets |
|
|
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
3,781
|
3,934
|
4,153
|
Total realized and unrealized gains (losses) included in Net Income |
(256)
|
238
|
146
|
Gains (losses) in OCI |
(50)
|
(14)
|
(42)
|
Purchases |
1,161
|
1,235
|
1,078
|
Sales |
(1,102)
|
(1,376)
|
(1,381)
|
Issuances |
21
|
18
|
5
|
Settlements |
(420)
|
(813)
|
(760)
|
Gross Transfers into Level 3 |
1,604
|
1,555
|
1,704
|
Gross Transfers out of Level 3 |
(1,359)
|
(996)
|
(969)
|
Balance, ending |
3,380
|
3,781
|
3,934
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
(178)
|
84
|
6
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
(50)
|
(14)
|
(42)
|
Non-agency residential MBS |
|
|
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
424
|
597
|
0
|
Total realized and unrealized gains (losses) included in Net Income |
(2)
|
13
|
27
|
Gains (losses) in OCI |
3
|
64
|
(33)
|
Purchases |
23
|
0
|
0
|
Sales |
(54)
|
(73)
|
(71)
|
Issuances |
0
|
0
|
0
|
Settlements |
(44)
|
(40)
|
(25)
|
Gross Transfers into Level 3 |
158
|
206
|
774
|
Gross Transfers out of Level 3 |
(130)
|
(343)
|
(75)
|
Balance, ending |
378
|
424
|
597
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
(2)
|
0
|
0
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
3
|
64
|
(33)
|
Non-U.S. securities |
|
|
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
2
|
2
|
25
|
Total realized and unrealized gains (losses) included in Net Income |
1
|
0
|
0
|
Gains (losses) in OCI |
0
|
0
|
(1)
|
Purchases |
0
|
0
|
0
|
Sales |
(1)
|
0
|
(10)
|
Issuances |
0
|
0
|
0
|
Settlements |
(1)
|
0
|
(15)
|
Gross Transfers into Level 3 |
17
|
0
|
3
|
Gross Transfers out of Level 3 |
0
|
0
|
0
|
Balance, ending |
18
|
2
|
2
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
1
|
0
|
0
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
0
|
0
|
(1)
|
Other taxable securities |
|
|
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
65
|
7
|
509
|
Total realized and unrealized gains (losses) included in Net Income |
0
|
2
|
1
|
Gains (losses) in OCI |
0
|
0
|
(3)
|
Purchases |
9
|
0
|
0
|
Sales |
(4)
|
0
|
(23)
|
Issuances |
0
|
0
|
0
|
Settlements |
0
|
(5)
|
(11)
|
Gross Transfers into Level 3 |
1
|
61
|
60
|
Gross Transfers out of Level 3 |
0
|
0
|
(526)
|
Balance, ending |
71
|
65
|
7
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
0
|
0
|
0
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
0
|
0
|
(3)
|
Tax-exempt securities |
|
|
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
108
|
0
|
469
|
Total realized and unrealized gains (losses) included in Net Income |
(21)
|
0
|
0
|
Gains (losses) in OCI |
3
|
0
|
0
|
Purchases |
0
|
0
|
0
|
Sales |
0
|
0
|
0
|
Issuances |
0
|
0
|
0
|
Settlements |
(169)
|
0
|
(1)
|
Gross Transfers into Level 3 |
265
|
108
|
1
|
Gross Transfers out of Level 3 |
(10)
|
0
|
(469)
|
Balance, ending |
176
|
108
|
0
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
(20)
|
0
|
0
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
3
|
0
|
0
|
Total AFS debt securities |
|
|
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
599
|
606
|
1,003
|
Total realized and unrealized gains (losses) included in Net Income |
(22)
|
15
|
28
|
Gains (losses) in OCI |
6
|
64
|
(37)
|
Purchases |
32
|
0
|
0
|
Sales |
(59)
|
(73)
|
(104)
|
Issuances |
0
|
0
|
0
|
Settlements |
(214)
|
(45)
|
(52)
|
Gross Transfers into Level 3 |
441
|
375
|
838
|
Gross Transfers out of Level 3 |
(140)
|
(343)
|
(1,070)
|
Balance, ending |
643
|
599
|
606
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
(21)
|
0
|
0
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
6
|
64
|
(37)
|
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 |
299
|
172
|
0
|
Total realized and unrealized gains (losses) included in Net Income |
26
|
36
|
(18)
|
Gains (losses) in OCI |
0
|
0
|
0
|
Purchases |
0
|
0
|
0
|
Sales |
(180)
|
0
|
(8)
|
Issuances |
0
|
0
|
0
|
Settlements |
(24)
|
(17)
|
(34)
|
Gross Transfers into Level 3 |
190
|
155
|
365
|
Gross Transfers out of Level 3 |
(44)
|
(47)
|
(133)
|
Balance, ending |
267
|
299
|
172
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
3
|
38
|
(18)
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
0
|
0
|
0
|
Loans and leases |
|
|
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
693
|
338
|
571
|
Total realized and unrealized gains (losses) included in Net Income |
(4)
|
0
|
(16)
|
Gains (losses) in OCI |
0
|
0
|
0
|
Purchases |
145
|
230
|
0
|
Sales |
(76)
|
(35)
|
(134)
|
Issuances |
22
|
217
|
0
|
Settlements |
(161)
|
(57)
|
(83)
|
Gross Transfers into Level 3 |
98
|
0
|
0
|
Gross Transfers out of Level 3 |
0
|
0
|
0
|
Balance, ending |
717
|
693
|
338
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
9
|
(1)
|
(9)
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
0
|
0
|
0
|
Loans held-for-sale |
|
|
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
375
|
542
|
690
|
Total realized and unrealized gains (losses) included in Net Income |
26
|
48
|
44
|
Gains (losses) in OCI |
(28)
|
(6)
|
(26)
|
Purchases |
0
|
12
|
71
|
Sales |
(489)
|
(71)
|
0
|
Issuances |
691
|
36
|
1
|
Settlements |
(119)
|
(245)
|
(201)
|
Gross Transfers into Level 3 |
93
|
59
|
23
|
Gross Transfers out of Level 3 |
(313)
|
0
|
(60)
|
Balance, ending |
236
|
375
|
542
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
(5)
|
22
|
31
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
(28)
|
(6)
|
(26)
|
Other assets |
|
|
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Balance, beginning |
2,360
|
2,932
|
2,425
|
Total realized and unrealized gains (losses) included in Net Income |
(288)
|
(81)
|
414
|
Gains (losses) in OCI |
3
|
19
|
(38)
|
Purchases |
178
|
0
|
2
|
Sales |
(4)
|
(10)
|
(69)
|
Issuances |
224
|
179
|
96
|
Settlements |
(506)
|
(683)
|
(792)
|
Gross Transfers into Level 3 |
5
|
5
|
929
|
Gross Transfers out of Level 3 |
(2)
|
(1)
|
(35)
|
Balance, ending |
1,970
|
2,360
|
2,932
|
Change in unrealized gains/(losses) In net income related to financial instruments still held |
(374)
|
(267)
|
149
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
Gains (losses) in OCI |
$ 3
|
$ 19
|
$ (38)
|