Fair Value Measurements - Recurring Fair Value (Details) - USD ($)
$ in Millions |
Mar. 31, 2020 |
Dec. 31, 2019 |
Mar. 31, 2019 |
| Assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
$ 49,033
|
$ 50,364
|
|
| Trading account assets |
193,323
|
229,826
|
|
| Derivative assets, gross |
526,300
|
344,800
|
|
| Derivative assets |
57,654
|
40,485
|
|
| Total available-for-sale debt securities |
206,221
|
245,639
|
|
| Other debt securities carried at fair value |
14,883
|
10,828
|
|
| Loans and leases |
9,016
|
8,335
|
|
| Loans held-for-sale |
3,609
|
3,709
|
|
| Other assets |
6,789
|
15,518
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
589
|
508
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
17,192
|
16,008
|
|
| Derivative liabilities, gross |
510,600
|
337,100
|
|
| Derivative liabilities |
54,658
|
38,229
|
|
| Short-term borrowings |
3,020
|
3,941
|
|
| Long-term debt |
32,163
|
34,975
|
|
| U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
68,696
|
68,528
|
|
| Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
79,461
|
122,528
|
|
| Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
4,551
|
4,641
|
|
| Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
932
|
1,077
|
|
| Commercial |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
15,602
|
15,021
|
|
| Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
5,892
|
3,941
|
|
| Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
18,840
|
17,912
|
|
| Recurring |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,084
|
1,000
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
49,033
|
50,364
|
|
| Trading account assets |
193,323
|
229,826
|
|
| Netting adjustments |
(468,567)
|
(304,262)
|
|
| Derivative assets |
57,654
|
40,485
|
|
| Total available-for-sale debt securities |
206,221
|
245,639
|
|
| Other debt securities carried at fair value |
14,883
|
10,828
|
|
| Loans and leases |
9,016
|
8,335
|
|
| Loans held-for-sale |
3,609
|
3,709
|
|
| Other assets |
6,789
|
15,518
|
|
| Total assets |
541,612
|
605,704
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
589
|
508
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
17,192
|
16,008
|
|
| Total trading account liabilities |
77,151
|
83,270
|
|
| Netting adjustment |
(455,898)
|
(298,918)
|
|
| Derivative liabilities |
54,658
|
38,229
|
|
| Short-term borrowings |
3,020
|
3,941
|
|
| Accrued expenses and other liabilities |
6,825
|
15,434
|
|
| Long-term debt |
32,163
|
34,975
|
|
| Total liabilities |
191,598
|
192,365
|
|
| Mortgage servicing rights |
$ 1,200
|
$ 1,500
|
|
| Level 3 recurring assets, as a percent of total assets |
0.39%
|
0.42%
|
|
| Level 3 recurring liabilities, as a percent of total liabilities |
0.23%
|
0.27%
|
|
| Recurring | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
$ 41,818
|
$ 53,674
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
12,677
|
13,422
|
|
| Recurring | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
29,144
|
26,733
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
5,459
|
5,493
|
|
| Recurring | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
67,189
|
86,455
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
42,155
|
42,294
|
|
| Recurring | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
30,774
|
28,301
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
16,860
|
22,061
|
|
| Recurring | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
14,605
|
24,324
|
|
| Recurring | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
9,793
|
10,339
|
|
| Recurring | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
68,696
|
68,528
|
|
| Other debt securities carried at fair value |
4
|
3
|
|
| Recurring | Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
79,461
|
122,528
|
|
| Other debt securities carried at fair value |
6,089
|
3,003
|
|
| Recurring | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
4,551
|
4,641
|
|
| Recurring | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
932
|
1,077
|
|
| Other debt securities carried at fair value |
1,122
|
1,334
|
|
| Recurring | Commercial |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
15,602
|
15,021
|
|
| Recurring | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
12,247
|
11,991
|
|
| Recurring | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
5,892
|
3,941
|
|
| Recurring | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
18,840
|
17,912
|
|
| Recurring | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
7,668
|
6,488
|
|
| Recurring | US Government-sponsored enterprises debt securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
16,000
|
26,700
|
|
| Recurring | Securities gegregated for compliance or deposited with clearing organizations |
|
|
|
| Assets |
|
|
|
| Trading account assets |
11,000
|
14,700
|
|
| Recurring | Level 1 |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,084
|
1,000
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
87,003
|
107,079
|
|
| Derivative assets, gross |
26,134
|
14,079
|
|
| Total available-for-sale debt securities |
67,764
|
67,332
|
|
| Other debt securities carried at fair value |
3,689
|
403
|
|
| Loans and leases |
0
|
0
|
|
| Loans held-for-sale |
0
|
0
|
|
| Other assets |
3,864
|
11,782
|
|
| Total assets |
189,538
|
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 |
55,994
|
62,039
|
|
| Derivative liabilities, gross |
25,638
|
11,904
|
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
5,541
|
13,927
|
|
| Long-term debt |
0
|
0
|
|
| Total liabilities |
87,173
|
87,870
|
|
| Recurring | Level 1 | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
37,646
|
49,517
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
12,276
|
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 |
41,486
|
53,597
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
36,692
|
38,148
|
|
| Recurring | Level 1 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
7,871
|
3,965
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
7,026
|
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 |
67,763
|
67,332
|
|
| Other debt securities carried at fair value |
4
|
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 |
1
|
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 |
3,685
|
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 |
49,033
|
50,364
|
|
| Trading account assets |
102,448
|
118,966
|
|
| Derivative assets, gross |
498,231
|
328,442
|
|
| Total available-for-sale debt securities |
137,764
|
177,708
|
|
| Other debt securities carried at fair value |
10,925
|
10,126
|
|
| Loans and leases |
8,458
|
7,642
|
|
| Loans held-for-sale |
2,532
|
3,334
|
|
| Other assets |
965
|
1,376
|
|
| Total assets |
810,356
|
697,958
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
589
|
508
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
17,192
|
16,008
|
|
| Total trading account liabilities |
21,136
|
21,214
|
|
| Derivative liabilities, gross |
480,153
|
320,479
|
|
| Short-term borrowings |
3,020
|
3,941
|
|
| Accrued expenses and other liabilities |
1,284
|
1,507
|
|
| Long-term debt |
31,442
|
33,826
|
|
| Total liabilities |
554,816
|
397,483
|
|
| Recurring | Level 2 | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
4,172
|
4,157
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
401
|
282
|
|
| Recurring | Level 2 | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
27,504
|
25,226
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
5,439
|
5,478
|
|
| Recurring | Level 2 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
25,454
|
32,619
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
5,462
|
4,144
|
|
| Recurring | Level 2 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
22,653
|
23,854
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
9,834
|
11,310
|
|
| Recurring | Level 2 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
14,605
|
24,324
|
|
| Recurring | Level 2 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
8,060
|
8,786
|
|
| Recurring | Level 2 | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
933
|
1,196
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 2 | Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
79,461
|
122,528
|
|
| Other debt securities carried at fair value |
6,089
|
3,003
|
|
| Recurring | Level 2 | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
4,551
|
4,641
|
|
| Recurring | Level 2 | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
408
|
653
|
|
| Other debt securities carried at fair value |
853
|
1,035
|
|
| Recurring | Level 2 | Commercial |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
15,602
|
15,021
|
|
| Recurring | Level 2 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
12,245
|
11,989
|
|
| Recurring | Level 2 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
5,824
|
3,876
|
|
| Recurring | Level 2 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
18,740
|
17,804
|
|
| Recurring | Level 2 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
3,983
|
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 |
3,872
|
3,781
|
|
| Derivative assets, gross |
1,856
|
2,226
|
$ 3,500
|
| Total available-for-sale debt securities |
693
|
599
|
|
| Other debt securities carried at fair value |
269
|
299
|
|
| Loans and leases |
558
|
693
|
|
| Loans held-for-sale |
1,077
|
375
|
|
| Other assets |
1,960
|
2,360
|
|
| Total assets |
10,285
|
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 |
21
|
17
|
|
| Derivative liabilities, gross |
4,765
|
4,764
|
$ 4,500
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
0
|
0
|
|
| Long-term debt |
721
|
1,149
|
|
| Total liabilities |
5,507
|
5,930
|
|
| Mortgage servicing rights |
1,164
|
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 |
1,640
|
1,507
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
20
|
15
|
|
| Recurring | Level 3 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
249
|
239
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
1
|
2
|
|
| Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
250
|
482
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
0
|
0
|
|
| Recurring | Level 3 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
1,733
|
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 |
524
|
424
|
|
| Other debt securities carried at fair value |
269
|
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 |
1
|
2
|
|
| Recurring | Level 3 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
68
|
65
|
|
| Recurring | Level 3 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
100
|
108
|
|
| Recurring | Level 3 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
$ 0
|
$ 0
|
|