Fair Value Measurements - Recurring Fair Value (Details) - USD ($)
$ in Millions |
Jun. 30, 2021 |
Dec. 31, 2020 |
Jun. 30, 2020 |
| Assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
$ 163,344
|
$ 108,856
|
|
| Trading account assets |
291,733
|
198,854
|
|
| Derivative assets |
352,100
|
434,600
|
|
| Derivative assets |
41,498
|
47,179
|
|
| Total available-for-sale debt securities |
278,181
|
234,491
|
|
| Other debt securities carried at fair value |
10,732
|
12,110
|
|
| Loans and leases |
6,950
|
6,681
|
|
| Loans held-for-sale |
2,207
|
1,585
|
|
| Other assets, measured at fair value |
14,928
|
15,718
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
515
|
481
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
165,781
|
135,391
|
|
| Derivative liabilities |
353,200
|
434,000
|
|
| Derivative liabilities |
38,916
|
45,526
|
|
| Short-term borrowings |
4,490
|
5,874
|
|
| Long-term debt |
30,361
|
32,200
|
|
| U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
160,333
|
116,380
|
|
| Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
57,889
|
61,849
|
|
| Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
4,226
|
5,260
|
|
| Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
852
|
1,009
|
|
| Commercial |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
18,919
|
16,491
|
|
| Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
2,921
|
2,711
|
|
| Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
15,874
|
16,774
|
|
| Recurring |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,450
|
1,649
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
163,344
|
108,856
|
|
| Trading account assets |
291,733
|
198,854
|
|
| Netting adjustments |
(310,603)
|
(387,371)
|
|
| Derivative assets |
41,498
|
47,179
|
|
| Total available-for-sale debt securities |
278,181
|
234,491
|
|
| Other debt securities carried at fair value |
10,732
|
12,110
|
|
| Loans and leases |
6,950
|
6,681
|
|
| Loans held-for-sale |
2,207
|
1,585
|
|
| Other assets, measured at fair value |
14,928
|
15,718
|
|
| Total assets |
811,023
|
627,123
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
515
|
481
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
165,781
|
135,391
|
|
| Total trading account liabilities |
110,084
|
71,320
|
|
| Netting adjustment |
(314,287)
|
(388,481)
|
|
| Derivative liabilities |
38,916
|
45,526
|
|
| Short-term borrowings |
4,490
|
5,874
|
|
| Accrued expenses and other liabilities |
15,174
|
16,311
|
|
| Long-term debt |
30,361
|
32,200
|
|
| Total liabilities |
365,321
|
307,103
|
|
| Mortgage servicing rights |
$ 976
|
$ 1,000
|
|
| Level 3 recurring assets, as a percent of total assets |
0.36%
|
0.35%
|
|
| Level 3 recurring liabilities, as a percent of total liabilities |
0.26%
|
0.29%
|
|
| Recurring | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
$ 42,032
|
$ 48,270
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
23,177
|
9,564
|
|
| Recurring | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
38,471
|
24,176
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
8,783
|
5,436
|
|
| Recurring | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
143,794
|
67,971
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
51,646
|
42,424
|
|
| Recurring | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
31,954
|
26,991
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
26,478
|
13,896
|
|
| Recurring | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
23,664
|
21,641
|
|
| Recurring | Mortgage trading loans, MBS and ABS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
11,818
|
9,805
|
|
| Recurring | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
160,333
|
116,380
|
|
| Other debt securities carried at fair value |
518
|
93
|
|
| Recurring | Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
57,889
|
61,849
|
|
| Recurring | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
4,226
|
5,260
|
|
| Recurring | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
852
|
1,009
|
|
| Other debt securities carried at fair value |
732
|
773
|
|
| Recurring | Commercial |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
18,919
|
16,491
|
|
| Recurring | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
17,167
|
14,017
|
|
| Recurring | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
2,921
|
2,711
|
|
| Recurring | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
15,874
|
16,774
|
|
| Recurring | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
9,482
|
11,244
|
|
| Recurring | US Government-sponsored enterprises debt securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
23,700
|
22,200
|
|
| Recurring | Securities gegregated for compliance or deposited with clearing organizations |
|
|
|
| Assets |
|
|
|
| Trading account assets |
8,600
|
16,800
|
|
| Recurring | Commodities Investment |
|
|
|
| Assets |
|
|
|
| Trading account assets |
2,100
|
576
|
|
| Recurring | Level 1 |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,450
|
1,649
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
155,572
|
87,344
|
|
| Derivative assets |
17,487
|
15,624
|
|
| Total available-for-sale debt securities |
159,245
|
115,266
|
|
| Other debt securities carried at fair value |
4,009
|
2,712
|
|
| Loans and leases |
0
|
0
|
|
| Loans held-for-sale |
0
|
0
|
|
| Other assets, measured at fair value |
10,034
|
9,898
|
|
| Total assets |
347,797
|
232,493
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
0
|
0
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
0
|
0
|
|
| Total trading account liabilities |
87,580
|
53,467
|
|
| Derivative liabilities |
16,945
|
14,907
|
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
11,899
|
12,297
|
|
| Long-term debt |
0
|
0
|
|
| Total liabilities |
116,424
|
80,671
|
|
| Recurring | Level 1 | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
40,733
|
45,219
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
22,888
|
9,425
|
|
| 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 |
104,218
|
36,372
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
47,288
|
38,189
|
|
| Recurring | Level 1 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
10,621
|
5,753
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
17,404
|
5,853
|
|
| Recurring | Level 1 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
0
|
0
|
|
| Recurring | Level 1 | Mortgage trading loans, MBS and ABS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
0
|
0
|
|
| Recurring | Level 1 | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
159,245
|
115,266
|
|
| Other debt securities carried at fair value |
518
|
93
|
|
| Recurring | Level 1 | Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
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 |
3,491
|
2,619
|
|
| 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 |
163,344
|
108,856
|
|
| Trading account assets |
132,225
|
108,130
|
|
| Derivative assets |
331,302
|
416,175
|
|
| Total available-for-sale debt securities |
118,595
|
118,582
|
|
| Other debt securities carried at fair value |
6,442
|
9,131
|
|
| Loans and leases |
6,093
|
5,964
|
|
| Loans held-for-sale |
1,944
|
1,349
|
|
| Other assets, measured at fair value |
3,119
|
3,850
|
|
| Total assets |
763,064
|
772,037
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
515
|
481
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
165,781
|
135,391
|
|
| Total trading account liabilities |
22,487
|
17,837
|
|
| Derivative liabilities |
330,062
|
412,881
|
|
| Short-term borrowings |
4,490
|
5,874
|
|
| Accrued expenses and other liabilities |
3,275
|
4,014
|
|
| Long-term debt |
29,301
|
31,036
|
|
| Total liabilities |
555,911
|
607,514
|
|
| Recurring | Level 2 | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
1,299
|
3,051
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
289
|
139
|
|
| Recurring | Level 2 | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
36,707
|
22,817
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
8,766
|
5,420
|
|
| Recurring | Level 2 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
39,316
|
31,372
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
4,358
|
4,235
|
|
| Recurring | Level 2 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
20,919
|
20,884
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
9,074
|
8,043
|
|
| Recurring | Level 2 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
23,567
|
21,566
|
|
| Recurring | Level 2 | Mortgage trading loans, MBS and ABS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
10,417
|
8,440
|
|
| Recurring | Level 2 | U.S. Treasury and agency securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
1,088
|
1,114
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 2 | Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
57,889
|
61,849
|
|
| Recurring | Level 2 | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
4,226
|
5,260
|
|
| Recurring | Level 2 | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
647
|
631
|
|
| Other debt securities carried at fair value |
451
|
506
|
|
| Recurring | Level 2 | Commercial |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
18,919
|
16,491
|
|
| Recurring | Level 2 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
17,156
|
13,999
|
|
| Recurring | Level 2 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
2,847
|
2,640
|
|
| Recurring | Level 2 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
15,823
|
16,598
|
|
| Recurring | Level 2 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
5,991
|
8,625
|
|
| 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 |
3,936
|
3,380
|
|
| Derivative assets |
3,312
|
2,751
|
$ 2,600
|
| Total available-for-sale debt securities |
341
|
643
|
|
| Other debt securities carried at fair value |
281
|
267
|
|
| Loans and leases |
857
|
717
|
|
| Loans held-for-sale |
263
|
236
|
|
| Other assets, measured at fair value |
1,775
|
1,970
|
|
| Total assets |
10,765
|
9,964
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
0
|
0
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
0
|
0
|
|
| Total trading account liabilities |
17
|
16
|
|
| Derivative liabilities |
6,196
|
6,219
|
$ 5,900
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
0
|
0
|
|
| Long-term debt |
1,060
|
1,164
|
|
| Total liabilities |
7,273
|
7,399
|
|
| Mortgage servicing rights |
976
|
1,033
|
|
| 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 |
1,764
|
1,359
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
17
|
16
|
|
| Recurring | Level 3 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
260
|
227
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
414
|
354
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
97
|
75
|
|
| Recurring | Level 3 | Mortgage trading loans, MBS and ABS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
1,401
|
1,365
|
|
| 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
|
|
| 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 |
205
|
378
|
|
| Other debt securities carried at fair value |
281
|
267
|
|
| 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 |
11
|
18
|
|
| Recurring | Level 3 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
74
|
71
|
|
| Recurring | Level 3 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
51
|
176
|
|
| Recurring | Level 3 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
$ 0
|
$ 0
|
|