Fair Value Measurements - Recurring Fair Value (Details) - USD ($)
$ in Millions |
Sep. 30, 2021 |
Dec. 31, 2020 |
Sep. 30, 2020 |
| Assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
$ 154,137
|
$ 108,856
|
|
| Trading account assets |
288,566
|
198,854
|
|
| Derivative assets |
351,700
|
434,600
|
|
| Derivative assets |
40,829
|
47,179
|
|
| Total available-for-sale debt securities |
275,358
|
234,491
|
|
| Other debt securities carried at fair value |
10,019
|
12,110
|
|
| Loans and leases |
7,566
|
6,681
|
|
| Loans held-for-sale |
3,982
|
1,585
|
|
| Other assets, measured at fair value |
11,031
|
15,718
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
542
|
481
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
155,151
|
135,391
|
|
| Derivative liabilities |
353,000
|
434,000
|
|
| Derivative liabilities |
38,062
|
45,526
|
|
| Short-term borrowings |
4,128
|
5,874
|
|
| Long-term debt |
28,696
|
32,200
|
|
| U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
169,125
|
116,380
|
|
| Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
52,297
|
61,849
|
|
| Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
3,776
|
5,260
|
|
| Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
803
|
1,009
|
|
| Commercial |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
18,819
|
16,491
|
|
| Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
2,633
|
2,711
|
|
| Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
15,612
|
16,774
|
|
| Recurring |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
336
|
1,649
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
154,137
|
108,856
|
|
| Trading account assets |
288,566
|
198,854
|
|
| Netting adjustments |
(310,851)
|
(387,371)
|
|
| Derivative assets |
40,829
|
47,179
|
|
| Total available-for-sale debt securities |
275,358
|
234,491
|
|
| Other debt securities carried at fair value |
10,019
|
12,110
|
|
| Loans and leases |
7,566
|
6,681
|
|
| Loans held-for-sale |
3,982
|
1,585
|
|
| Other assets, measured at fair value |
11,031
|
15,718
|
|
| Total assets |
791,824
|
627,123
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
542
|
481
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
155,151
|
135,391
|
|
| Total trading account liabilities |
112,217
|
71,320
|
|
| Netting adjustment |
(314,937)
|
(388,481)
|
|
| Derivative liabilities |
38,062
|
45,526
|
|
| Short-term borrowings |
4,128
|
5,874
|
|
| Accrued expenses and other liabilities |
10,261
|
16,311
|
|
| Long-term debt |
28,696
|
32,200
|
|
| Total liabilities |
349,057
|
307,103
|
|
| Mortgage servicing rights |
$ 940
|
$ 1,000
|
|
| Level 3 recurring assets, as a percent of total assets |
0.37%
|
0.35%
|
|
| Level 3 recurring liabilities, as a percent of total liabilities |
0.26%
|
0.29%
|
|
| Recurring | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
$ 46,863
|
$ 48,270
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
22,072
|
9,564
|
|
| Recurring | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
38,529
|
24,176
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
9,361
|
5,436
|
|
| Recurring | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
136,052
|
67,971
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
52,507
|
42,424
|
|
| Recurring | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
33,338
|
26,991
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
28,277
|
13,896
|
|
| Recurring | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
21,909
|
21,641
|
|
| Recurring | Mortgage trading loans, MBS and ABS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
11,875
|
9,805
|
|
| Recurring | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
169,125
|
116,380
|
|
| Other debt securities carried at fair value |
276
|
93
|
|
| Recurring | Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
52,297
|
61,849
|
|
| Recurring | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
3,776
|
5,260
|
|
| Recurring | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
803
|
1,009
|
|
| Other debt securities carried at fair value |
707
|
773
|
|
| Recurring | Commercial |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
18,819
|
16,491
|
|
| Recurring | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
12,293
|
14,017
|
|
| Recurring | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
2,633
|
2,711
|
|
| Recurring | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
15,612
|
16,774
|
|
| Recurring | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
9,036
|
11,244
|
|
| Recurring | Securities gegregated for compliance or deposited with clearing organizations |
|
|
|
| Assets |
|
|
|
| Trading account assets |
10,800
|
16,800
|
|
| Recurring | Commodities Investment |
|
|
|
| Assets |
|
|
|
| Trading account assets |
1,600
|
576
|
|
| Recurring | Level 1 |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
336
|
1,649
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
152,224
|
87,344
|
|
| Derivative assets |
17,376
|
15,624
|
|
| Total available-for-sale debt securities |
168,030
|
115,266
|
|
| Other debt securities carried at fair value |
4,127
|
2,712
|
|
| Loans and leases |
0
|
0
|
|
| Loans held-for-sale |
0
|
0
|
|
| Other assets, measured at fair value |
6,659
|
9,898
|
|
| Total assets |
348,752
|
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 |
85,768
|
53,467
|
|
| Derivative liabilities |
18,341
|
14,907
|
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
7,471
|
12,297
|
|
| Long-term debt |
0
|
0
|
|
| Total liabilities |
111,580
|
80,671
|
|
| Recurring | Level 1 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
46,195
|
45,219
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
20,967
|
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 |
96,266
|
36,372
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
47,035
|
38,189
|
|
| Recurring | Level 1 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
9,763
|
5,753
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
17,766
|
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 government agencies |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
168,030
|
115,266
|
|
| Other debt securities carried at fair value |
276
|
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 |
3,851
|
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 |
154,137
|
108,856
|
|
| Trading account assets |
132,526
|
108,130
|
|
| Derivative assets |
330,477
|
416,175
|
|
| Total available-for-sale debt securities |
106,794
|
118,582
|
|
| Other debt securities carried at fair value |
5,596
|
9,131
|
|
| Loans and leases |
6,848
|
5,964
|
|
| Loans held-for-sale |
3,642
|
1,349
|
|
| Other assets, measured at fair value |
2,628
|
3,850
|
|
| Total assets |
742,648
|
772,037
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
542
|
481
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
155,151
|
135,391
|
|
| Total trading account liabilities |
26,438
|
17,837
|
|
| Derivative liabilities |
328,506
|
412,881
|
|
| Short-term borrowings |
4,128
|
5,874
|
|
| Accrued expenses and other liabilities |
2,790
|
4,014
|
|
| Long-term debt |
27,570
|
31,036
|
|
| Total liabilities |
545,125
|
607,514
|
|
| Recurring | Level 2 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
668
|
3,051
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
1,105
|
139
|
|
| Recurring | Level 2 | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
36,895
|
22,817
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
9,350
|
5,420
|
|
| Recurring | Level 2 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
39,577
|
31,372
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
5,472
|
4,235
|
|
| Recurring | Level 2 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
23,176
|
20,884
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
10,511
|
8,043
|
|
| Recurring | Level 2 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
21,825
|
21,566
|
|
| Recurring | Level 2 | Mortgage trading loans, MBS and ABS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
10,385
|
8,440
|
|
| Recurring | Level 2 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
1,095
|
1,114
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 2 | Agency |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
52,297
|
61,849
|
|
| Recurring | Level 2 | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
3,776
|
5,260
|
|
| Recurring | Level 2 | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
405
|
631
|
|
| Other debt securities carried at fair value |
411
|
506
|
|
| Recurring | Level 2 | Commercial |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
18,819
|
16,491
|
|
| Recurring | Level 2 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
12,283
|
13,999
|
|
| Recurring | Level 2 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
2,560
|
2,640
|
|
| Recurring | Level 2 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
15,559
|
16,598
|
|
| Recurring | Level 2 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
5,185
|
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 |
3,816
|
3,380
|
|
| Derivative assets |
3,827
|
2,751
|
$ 2,500
|
| Total available-for-sale debt securities |
534
|
643
|
|
| Other debt securities carried at fair value |
296
|
267
|
|
| Loans and leases |
718
|
717
|
|
| Loans held-for-sale |
340
|
236
|
|
| Other assets, measured at fair value |
1,744
|
1,970
|
|
| Total assets |
11,275
|
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 |
11
|
16
|
|
| Derivative liabilities |
6,152
|
6,219
|
$ 6,000
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
0
|
0
|
|
| Long-term debt |
1,126
|
1,164
|
|
| Total liabilities |
7,289
|
7,399
|
|
| Mortgage servicing rights |
940
|
1,033
|
|
| Recurring | Level 3 | U.S. Treasury and government agencies |
|
|
|
| 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 |
1,634
|
1,359
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
11
|
16
|
|
| Recurring | Level 3 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
209
|
227
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
399
|
354
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
84
|
75
|
|
| Recurring | Level 3 | Mortgage trading loans, MBS and ABS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
1,490
|
1,365
|
|
| Recurring | Level 3 | U.S. Treasury and government agencies |
|
|
|
| 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 |
398
|
378
|
|
| Other debt securities carried at fair value |
296
|
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 |
10
|
18
|
|
| Recurring | Level 3 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
73
|
71
|
|
| Recurring | Level 3 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total available-for-sale debt securities |
53
|
176
|
|
| Recurring | Level 3 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
$ 0
|
$ 0
|
|