Fair Value Measurements - Recurring Fair Value (Details) - USD ($)
$ in Millions |
Jun. 30, 2020 |
Dec. 31, 2019 |
Jun. 30, 2019 |
| Assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
$ 46,139
|
$ 50,364
|
|
| Trading account assets |
226,465
|
229,826
|
|
| Derivative assets, gross |
432,000
|
344,800
|
|
| Derivative assets |
45,184
|
40,485
|
|
| Total available-for-sale debt securities |
190,432
|
245,639
|
|
| Other debt securities carried at fair value |
12,480
|
10,828
|
|
| Loans and leases |
9,176
|
8,335
|
|
| Loans held-for-sale |
3,244
|
3,709
|
|
| Other assets |
10,785
|
15,518
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
594
|
508
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
21,516
|
16,008
|
|
| Derivative liabilities, gross |
431,400
|
337,100
|
|
| Derivative liabilities |
42,511
|
38,229
|
|
| Short-term borrowings |
2,651
|
3,941
|
|
| Long-term debt |
33,825
|
34,975
|
|
| U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
52,664
|
68,528
|
|
| Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
78,999
|
122,528
|
|
| Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
6,295
|
4,641
|
|
| Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
991
|
1,077
|
|
| Commercial |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
15,921
|
15,021
|
|
| Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
4,252
|
3,941
|
|
| Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
17,978
|
17,912
|
|
| Recurring |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,194
|
1,000
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
46,139
|
50,364
|
|
| Trading account assets |
226,465
|
229,826
|
|
| Netting adjustments |
(386,838)
|
(304,262)
|
|
| Derivative assets |
45,184
|
40,485
|
|
| Total available-for-sale debt securities |
190,432
|
245,639
|
|
| Other debt securities carried at fair value |
12,480
|
10,828
|
|
| Loans and leases |
9,176
|
8,335
|
|
| Loans held-for-sale |
3,244
|
3,709
|
|
| Other assets |
10,785
|
15,518
|
|
| Total assets |
545,099
|
605,704
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
594
|
508
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
21,516
|
16,008
|
|
| Total trading account liabilities |
80,912
|
83,270
|
|
| Netting adjustment |
(388,899)
|
(298,918)
|
|
| Derivative liabilities |
42,511
|
38,229
|
|
| Short-term borrowings |
2,651
|
3,941
|
|
| Accrued expenses and other liabilities |
10,689
|
15,434
|
|
| Long-term debt |
33,825
|
34,975
|
|
| Total liabilities |
192,698
|
192,365
|
|
| Mortgage servicing rights |
$ 1,100
|
$ 1,500
|
|
| Level 3 recurring assets, as a percent of total assets |
0.41%
|
0.42%
|
|
| Level 3 recurring liabilities, as a percent of total liabilities |
0.28%
|
0.27%
|
|
| Recurring | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
$ 45,853
|
$ 53,674
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
11,554
|
13,422
|
|
| Recurring | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
25,603
|
26,733
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
5,619
|
5,493
|
|
| Recurring | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
90,061
|
86,455
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
45,668
|
42,294
|
|
| Recurring | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
37,505
|
28,301
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
18,071
|
22,061
|
|
| Recurring | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
18,340
|
24,324
|
|
| Recurring | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
9,103
|
10,339
|
|
| Recurring | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
52,664
|
68,528
|
|
| Other debt securities carried at fair value |
3
|
3
|
|
| Recurring | Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
78,999
|
122,528
|
|
| Other debt securities carried at fair value |
0
|
3,003
|
|
| Recurring | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
6,295
|
4,641
|
|
| Recurring | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
991
|
1,077
|
|
| Other debt securities carried at fair value |
1,211
|
1,334
|
|
| Recurring | Commercial |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
15,921
|
15,021
|
|
| Recurring | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
13,332
|
11,991
|
|
| Recurring | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
4,252
|
3,941
|
|
| Recurring | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
17,978
|
17,912
|
|
| Recurring | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
11,266
|
6,488
|
|
| Recurring | US Government-sponsored enterprises debt securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
19,900
|
26,700
|
|
| Recurring | Securities gegregated for compliance or deposited with clearing organizations |
|
|
|
| Assets |
|
|
|
| Trading account assets |
15,900
|
14,700
|
|
| Recurring | Level 1 |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,194
|
1,000
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
114,089
|
107,079
|
|
| Derivative assets, gross |
18,040
|
14,079
|
|
| Total available-for-sale debt securities |
51,492
|
67,332
|
|
| Other debt securities carried at fair value |
5,487
|
403
|
|
| Loans and leases |
0
|
0
|
|
| Loans held-for-sale |
0
|
0
|
|
| Other assets |
5,857
|
11,782
|
|
| Total assets |
196,159
|
201,675
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
0
|
0
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
0
|
0
|
|
| Total trading account liabilities |
60,901
|
62,039
|
|
| Derivative liabilities, gross |
17,836
|
11,904
|
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
7,488
|
13,927
|
|
| Long-term debt |
0
|
0
|
|
| Total liabilities |
86,225
|
87,870
|
|
| Recurring | Level 1 | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
42,865
|
49,517
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
11,193
|
13,140
|
|
| Recurring | Level 1 | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
0
|
0
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 1 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
59,311
|
53,597
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
41,057
|
38,148
|
|
| Recurring | Level 1 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
11,913
|
3,965
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
8,651
|
10,751
|
|
| Recurring | Level 1 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
0
|
0
|
|
| Recurring | Level 1 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
0
|
0
|
|
| Recurring | Level 1 | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
51,492
|
67,332
|
|
| Other debt securities carried at fair value |
3
|
3
|
|
| Recurring | Level 1 | Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 1 | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Recurring | Level 1 | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 1 | Commercial |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Recurring | Level 1 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Recurring | Level 1 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Recurring | Level 1 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Recurring | Level 1 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
5,484
|
400
|
|
| Recurring | Level 2 |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
0
|
0
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
46,139
|
50,364
|
|
| Trading account assets |
108,650
|
118,966
|
|
| Derivative assets, gross |
411,420
|
328,442
|
|
| Total available-for-sale debt securities |
138,071
|
177,708
|
|
| Other debt securities carried at fair value |
6,544
|
10,126
|
|
| Loans and leases |
8,435
|
7,642
|
|
| Loans held-for-sale |
2,274
|
3,334
|
|
| Other assets |
3,017
|
1,376
|
|
| Total assets |
724,550
|
697,958
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
594
|
508
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
21,516
|
16,008
|
|
| Total trading account liabilities |
19,994
|
21,214
|
|
| Derivative liabilities, gross |
407,669
|
320,479
|
|
| Short-term borrowings |
2,651
|
3,941
|
|
| Accrued expenses and other liabilities |
3,201
|
1,507
|
|
| Long-term debt |
32,869
|
33,826
|
|
| Total liabilities |
488,494
|
397,483
|
|
| Recurring | Level 2 | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
2,988
|
4,157
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
361
|
282
|
|
| Recurring | Level 2 | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
24,055
|
25,226
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
5,603
|
5,478
|
|
| Recurring | Level 2 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
30,556
|
32,619
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
4,610
|
4,144
|
|
| Recurring | Level 2 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
25,344
|
23,854
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
9,420
|
11,310
|
|
| Recurring | Level 2 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
18,188
|
24,324
|
|
| Recurring | Level 2 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
7,519
|
8,786
|
|
| Recurring | Level 2 | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
1,172
|
1,196
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 2 | Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
78,999
|
122,528
|
|
| Other debt securities carried at fair value |
0
|
3,003
|
|
| Recurring | Level 2 | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
6,295
|
4,641
|
|
| Recurring | Level 2 | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
529
|
653
|
|
| Other debt securities carried at fair value |
762
|
1,035
|
|
| Recurring | Level 2 | Commercial |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
15,921
|
15,021
|
|
| Recurring | Level 2 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
13,327
|
11,989
|
|
| Recurring | Level 2 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
4,187
|
3,876
|
|
| Recurring | Level 2 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
17,641
|
17,804
|
|
| Recurring | Level 2 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
5,782
|
6,088
|
|
| Recurring | Level 3 |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
0
|
0
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
3,726
|
3,781
|
|
| Derivative assets, gross |
2,562
|
2,226
|
$ 3,400
|
| Total available-for-sale debt securities |
869
|
599
|
|
| Other debt securities carried at fair value |
449
|
299
|
|
| Loans and leases |
741
|
693
|
|
| Loans held-for-sale |
970
|
375
|
|
| Other assets |
1,911
|
2,360
|
|
| Total assets |
11,228
|
10,333
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
0
|
0
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
0
|
0
|
|
| Total trading account liabilities |
17
|
17
|
|
| Derivative liabilities, gross |
5,905
|
4,764
|
$ 4,500
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
0
|
0
|
|
| Long-term debt |
956
|
1,149
|
|
| Total liabilities |
6,878
|
5,930
|
|
| Mortgage servicing rights |
1,116
|
1,545
|
|
| Recurring | Level 3 | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
0
|
0
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
1,548
|
1,507
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
16
|
15
|
|
| Recurring | Level 3 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
194
|
239
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
1
|
2
|
|
| Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
248
|
482
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
152
|
0
|
|
| Recurring | Level 3 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
1,584
|
1,553
|
|
| Recurring | Level 3 | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 3 | Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 3 | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Recurring | Level 3 | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
462
|
424
|
|
| Other debt securities carried at fair value |
449
|
299
|
|
| Recurring | Level 3 | Commercial |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Recurring | Level 3 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
5
|
2
|
|
| Recurring | Level 3 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
65
|
65
|
|
| Recurring | Level 3 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
337
|
108
|
|
| Recurring | Level 3 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
$ 0
|
$ 0
|
|