Fair Value Measurements - Recurring Fair Value (Details) - USD ($)
$ in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
| Assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
$ 133,053
|
$ 146,999
|
|
| Trading account assets |
277,354
|
296,108
|
|
| Derivative assets |
290,300
|
398,300
|
|
| Derivative assets |
39,323
|
48,642
|
|
| Total AFS debt securities |
266,649
|
220,788
|
|
| Other debt securities carried at fair value |
10,203
|
9,206
|
|
| Loans and leases |
3,569
|
5,771
|
|
| Loans held-for-sale |
2,059
|
1,115
|
|
| Other assets, measured at fair value |
11,861
|
9,594
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
284
|
311
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
178,609
|
151,708
|
|
| Derivative liabilities |
301,200
|
398,500
|
|
| Derivative liabilities |
43,432
|
44,816
|
|
| Short-term borrowings |
4,690
|
832
|
|
| Long-term debt |
42,809
|
33,070
|
|
| U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
177,666
|
159,022
|
|
| Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
37,812
|
23,442
|
|
| Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
2,544
|
2,221
|
|
| Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
382
|
386
|
|
| Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
10,435
|
6,407
|
|
| Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
4,835
|
4,645
|
|
| Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
10,100
|
11,258
|
|
| Recurring |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,181
|
868
|
|
| Netting adjustments |
(303,287)
|
(221,700)
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
133,053
|
146,999
|
|
| Trading account assets |
277,354
|
296,108
|
|
| Netting adjustments |
(251,019)
|
(349,726)
|
|
| Derivative assets |
39,323
|
48,642
|
|
| Total AFS debt securities |
266,649
|
220,788
|
|
| Other debt securities carried at fair value |
10,203
|
9,206
|
|
| Loans and leases |
3,569
|
5,771
|
|
| Loans held-for-sale |
2,059
|
1,115
|
|
| Other assets, measured at fair value |
11,861
|
9,594
|
|
| Total assets |
745,252
|
739,091
|
|
| Netting adjustments |
(554,306)
|
(349,726)
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
284
|
311
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
178,609
|
151,708
|
|
| Netting adjustments |
(303,287)
|
|
|
| Total trading account liabilities |
95,530
|
80,399
|
|
| Netting adjustments |
(257,767)
|
(353,700)
|
|
| Derivative liabilities |
43,432
|
44,816
|
|
| Short-term borrowings |
4,690
|
832
|
|
| Accrued expenses and other liabilities |
11,473
|
9,752
|
|
| Long-term debt |
42,809
|
33,070
|
|
| Total liabilities |
376,827
|
320,888
|
|
| Netting adjustments |
(561,054)
|
(353,700)
|
|
| Mortgage servicing rights |
$ 970
|
$ 1,000
|
|
| Level 3 recurring assets, as a percent of total assets |
0.29%
|
0.35%
|
|
| Level 3 recurring liabilities, as a percent of total liabilities |
0.23%
|
0.25%
|
|
| Recurring | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
$ 67,123
|
$ 59,106
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
14,973
|
14,087
|
|
| Recurring | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
43,151
|
49,281
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
7,676
|
6,686
|
|
| Recurring | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
88,998
|
113,078
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
56,494
|
41,762
|
|
| Recurring | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
27,108
|
34,216
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
16,387
|
17,864
|
|
| Recurring | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
38,804
|
28,597
|
|
| Recurring | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
12,170
|
11,830
|
|
| Recurring | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
177,666
|
159,022
|
|
| Other debt securities carried at fair value |
1,690
|
561
|
|
| Recurring | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
37,812
|
23,442
|
|
| Recurring | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
2,544
|
2,221
|
|
| Recurring | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
382
|
386
|
|
| Other debt securities carried at fair value |
280
|
367
|
|
| Recurring | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
10,435
|
6,407
|
|
| Recurring | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
22,875
|
13,407
|
|
| Recurring | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
4,835
|
4,645
|
|
| Recurring | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
10,100
|
11,258
|
|
| Recurring | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
8,233
|
8,278
|
|
| Recurring | Securities gegregated for compliance or deposited with clearing organizations |
|
|
|
| Assets |
|
|
|
| Trading account assets |
18,000
|
16,600
|
|
| Recurring | Commodities Investment |
|
|
|
| Assets |
|
|
|
| Trading account assets |
42
|
40
|
|
| Recurring | Level 1 |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,181
|
868
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
118,108
|
144,154
|
|
| Derivative assets |
14,676
|
14,775
|
|
| Total AFS debt securities |
177,857
|
158,102
|
|
| Other debt securities carried at fair value |
3,476
|
3,588
|
|
| Loans and leases |
0
|
0
|
|
| Loans held-for-sale |
0
|
0
|
|
| Other assets, measured at fair value |
8,052
|
6,898
|
|
| Total assets |
323,350
|
328,385
|
|
| 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 |
76,070
|
60,479
|
|
| Derivative liabilities |
14,375
|
15,431
|
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
8,969
|
7,458
|
|
| Long-term debt |
0
|
0
|
|
| Total liabilities |
99,414
|
83,368
|
|
| Recurring | Level 1 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
65,160
|
58,894
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
14,908
|
13,906
|
|
| 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 |
47,431
|
77,868
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
51,772
|
36,937
|
|
| Recurring | Level 1 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
5,517
|
7,392
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
9,390
|
9,636
|
|
| 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 government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
176,764
|
158,102
|
|
| Other debt securities carried at fair value |
1,690
|
561
|
|
| Recurring | Level 1 | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
0
|
|
| Recurring | Level 1 | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
0
|
|
| Recurring | Level 1 | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
0
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 1 | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
0
|
|
| Recurring | Level 1 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
1,093
|
0
|
|
| Recurring | Level 1 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
0
|
|
| Recurring | Level 1 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
0
|
|
| Recurring | Level 1 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
1,786
|
3,027
|
|
| 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 |
436,340
|
146,999
|
|
| Trading account assets |
155,757
|
147,355
|
|
| Derivative assets |
272,244
|
380,380
|
|
| Total AFS debt securities |
88,416
|
62,182
|
|
| Other debt securities carried at fair value |
6,658
|
5,499
|
|
| Loans and leases |
3,476
|
5,518
|
|
| Loans held-for-sale |
1,895
|
883
|
|
| Other assets, measured at fair value |
2,152
|
897
|
|
| Total assets |
966,938
|
749,713
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
284
|
311
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
481,896
|
151,708
|
|
| Total trading account liabilities |
19,409
|
19,862
|
|
| Derivative liabilities |
280,908
|
376,979
|
|
| Short-term borrowings |
4,680
|
818
|
|
| Accrued expenses and other liabilities |
2,483
|
2,262
|
|
| Long-term debt |
42,195
|
32,208
|
|
| Total liabilities |
831,855
|
584,148
|
|
| Recurring | Level 2 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
1,963
|
212
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
65
|
181
|
|
| Recurring | Level 2 | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
41,462
|
46,897
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
7,637
|
6,628
|
|
| Recurring | Level 2 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
41,380
|
35,065
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
4,710
|
4,825
|
|
| Recurring | Level 2 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
21,195
|
26,306
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
6,997
|
8,228
|
|
| Recurring | Level 2 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
38,802
|
28,563
|
|
| Recurring | Level 2 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
10,955
|
10,312
|
|
| Recurring | Level 2 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
902
|
920
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 2 | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
37,812
|
23,442
|
|
| Recurring | Level 2 | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
2,544
|
2,221
|
|
| Recurring | Level 2 | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
109
|
128
|
|
| Other debt securities carried at fair value |
211
|
248
|
|
| Recurring | Level 2 | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
10,435
|
6,407
|
|
| Recurring | Level 2 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
21,679
|
13,212
|
|
| Recurring | Level 2 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
4,835
|
4,645
|
|
| Recurring | Level 2 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
10,100
|
11,207
|
|
| Recurring | Level 2 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
6,447
|
5,251
|
|
| 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 |
3,489
|
4,599
|
|
| Derivative assets |
3,422
|
3,213
|
$ 3,100
|
| Total AFS debt securities |
376
|
504
|
|
| Other debt securities carried at fair value |
69
|
119
|
|
| Loans and leases |
93
|
253
|
|
| Loans held-for-sale |
164
|
232
|
|
| Other assets, measured at fair value |
1,657
|
1,799
|
|
| Total assets |
9,270
|
10,719
|
|
| 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 |
51
|
58
|
|
| Derivative liabilities |
5,916
|
6,106
|
$ 5,800
|
| Short-term borrowings |
10
|
14
|
|
| Accrued expenses and other liabilities |
21
|
32
|
|
| Long-term debt |
614
|
862
|
|
| Total liabilities |
6,612
|
7,072
|
|
| Mortgage servicing rights |
970
|
1,020
|
|
| 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 |
1,689
|
2,384
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
39
|
58
|
|
| Recurring | Level 3 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
187
|
145
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
12
|
0
|
|
| Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
396
|
518
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
2
|
34
|
|
| Recurring | Level 3 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
1,215
|
1,518
|
|
| Recurring | Level 3 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
0
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 3 | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
0
|
|
| Recurring | Level 3 | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
0
|
|
| Recurring | Level 3 | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
273
|
258
|
|
| Other debt securities carried at fair value |
69
|
119
|
|
| Recurring | Level 3 | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
0
|
|
| Recurring | Level 3 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
103
|
195
|
|
| Recurring | Level 3 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
0
|
|
| Recurring | Level 3 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
51
|
|
| Recurring | Level 3 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
$ 0
|
$ 0
|
|