Fair Value Measurements - Recurring Fair Value (Details) - USD ($)
$ in Millions |
Mar. 31, 2025 |
Dec. 31, 2024 |
Mar. 31, 2024 |
| Assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
$ 181,232
|
$ 144,501
|
|
| Trading account assets |
339,614
|
314,460
|
|
| Derivative assets |
273,400
|
308,100
|
|
| Derivative assets |
36,206
|
40,948
|
|
| Total AFS debt securities |
376,249
|
346,432
|
|
| Other debt securities carried at fair value |
12,310
|
12,175
|
|
| Loans and leases |
5,386
|
4,249
|
|
| Loans held-for-sale |
2,672
|
2,214
|
|
| Other assets |
9,952
|
13,176
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
403
|
310
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
222,734
|
192,859
|
|
| Derivative liabilities |
273,900
|
305,700
|
|
| Derivative liabilities |
35,365
|
39,353
|
|
| Short-term borrowings |
6,534
|
6,245
|
|
| Long-term debt |
54,545
|
50,005
|
|
| U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
259,845
|
234,579
|
|
| Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
30,568
|
31,202
|
|
| Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
20,533
|
19,318
|
|
| Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
282
|
285
|
|
| Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
29,650
|
25,602
|
|
| Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
2,997
|
4,603
|
|
| Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
8,410
|
8,412
|
|
| Recurring |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,473
|
1,318
|
|
| Netting adjustments |
(371,619)
|
(377,377)
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
181,232
|
144,501
|
|
| Trading account assets |
339,614
|
314,460
|
|
| Netting adjustments |
(237,179)
|
(267,180)
|
|
| Derivative assets |
36,206
|
40,948
|
|
| Total AFS debt securities |
376,249
|
346,432
|
|
| Other debt securities carried at fair value |
12,310
|
12,175
|
|
| Loans and leases |
5,386
|
4,249
|
|
| Loans held-for-sale |
2,672
|
2,214
|
|
| Other assets |
9,952
|
13,176
|
|
| Total assets |
965,094
|
879,473
|
|
| Netting adjustments |
(608,798)
|
(644,557)
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
403
|
310
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
222,734
|
192,859
|
|
| Netting adjustments |
(371,619)
|
(377,377)
|
|
| Total trading account liabilities |
105,470
|
92,543
|
|
| Netting adjustments |
(238,516)
|
(266,334)
|
|
| Derivative liabilities |
35,365
|
39,353
|
|
| Short-term borrowings |
6,534
|
6,245
|
|
| Accrued expenses and other liabilities |
9,061
|
13,199
|
|
| Long-term debt |
54,545
|
50,005
|
|
| Total liabilities |
434,112
|
394,514
|
|
| Netting adjustments |
(610,135)
|
(643,711)
|
|
| Mortgage servicing rights |
$ 923
|
$ 972
|
|
| Level 3 recurring assets, as a percent of total assets |
0.30%
|
0.31%
|
|
| Level 3 recurring liabilities, as a percent of total liabilities |
0.19%
|
0.21%
|
|
| Recurring | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
$ 62,959
|
$ 70,522
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
10,752
|
16,603
|
|
| Recurring | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
57,363
|
45,036
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
13,489
|
10,981
|
|
| Recurring | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
110,131
|
103,607
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
57,121
|
44,919
|
|
| Recurring | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
55,932
|
40,124
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
24,102
|
20,006
|
|
| Recurring | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
44,215
|
43,855
|
|
| Recurring | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
9,014
|
11,316
|
|
| Recurring | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
259,845
|
234,579
|
|
| Other debt securities carried at fair value |
3,488
|
3,885
|
|
| Recurring | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
30,568
|
31,202
|
|
| Recurring | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
20,533
|
19,318
|
|
| Recurring | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
282
|
285
|
|
| Other debt securities carried at fair value |
249
|
250
|
|
| Recurring | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
29,650
|
25,602
|
|
| Recurring | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
23,964
|
22,431
|
|
| Recurring | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
2,997
|
4,603
|
|
| Recurring | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
8,410
|
8,412
|
|
| Recurring | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
8,573
|
8,040
|
|
| Recurring | Mortgage trading loans and ABS |
|
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
6
|
34
|
|
| Recurring | Securities segregated for compliance or deposited with clearing organizations |
|
|
|
| Assets |
|
|
|
| Trading account assets |
11,300
|
18,300
|
|
| Recurring | Commodities Investment |
|
|
|
| Assets |
|
|
|
| Trading account assets |
171
|
99
|
|
| Recurring | Level 1 |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
974
|
1,318
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
150,885
|
136,382
|
|
| Derivative assets |
16,703
|
14,626
|
|
| Total AFS debt securities |
258,934
|
233,746
|
|
| Other debt securities carried at fair value |
4,358
|
4,739
|
|
| Loans and leases |
0
|
0
|
|
| Loans held-for-sale |
0
|
0
|
|
| Other assets |
5,468
|
8,279
|
|
| Total assets |
437,322
|
399,090
|
|
| 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 |
73,809
|
59,201
|
|
| Derivative liabilities |
16,490
|
15,354
|
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
6,633
|
9,113
|
|
| Long-term debt |
0
|
0
|
|
| Total liabilities |
96,932
|
83,668
|
|
| Recurring | Level 1 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
62,918
|
66,582
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
10,585
|
16,408
|
|
| 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 |
75,882
|
66,783
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
52,700
|
40,066
|
|
| Recurring | Level 1 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
12,085
|
3,017
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
10,524
|
2,727
|
|
| 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 |
258,922
|
233,671
|
|
| Other debt securities carried at fair value |
3,488
|
3,885
|
|
| 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 |
12
|
75
|
|
| 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 |
870
|
854
|
|
| Recurring | Level 1 | Mortgage trading loans and ABS |
|
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 2 |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
499
|
0
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
552,851
|
521,878
|
|
| Trading account assets |
185,252
|
174,568
|
|
| Derivative assets |
253,215
|
289,940
|
|
| Total AFS debt securities |
116,305
|
112,075
|
|
| Other debt securities carried at fair value |
7,901
|
7,287
|
|
| Loans and leases |
5,261
|
4,167
|
|
| Loans held-for-sale |
2,549
|
2,082
|
|
| Other assets |
2,525
|
2,928
|
|
| Total assets |
1,126,358
|
1,114,925
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
403
|
310
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
594,353
|
570,236
|
|
| Total trading account liabilities |
31,508
|
33,222
|
|
| Derivative liabilities |
252,394
|
284,810
|
|
| Short-term borrowings |
6,534
|
6,245
|
|
| Accrued expenses and other liabilities |
2,334
|
3,997
|
|
| Long-term debt |
54,102
|
49,452
|
|
| Total liabilities |
941,628
|
948,272
|
|
| Recurring | Level 2 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
41
|
3,940
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
167
|
195
|
|
| Recurring | Level 2 | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
55,450
|
43,222
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
13,341
|
10,871
|
|
| Recurring | Level 2 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
33,914
|
36,450
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
4,416
|
4,843
|
|
| Recurring | Level 2 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
43,605
|
36,763
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
13,578
|
17,279
|
|
| Recurring | Level 2 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
44,211
|
43,850
|
|
| Recurring | Level 2 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
8,031
|
10,343
|
|
| Recurring | Level 2 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
923
|
908
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 2 | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
30,568
|
31,202
|
|
| Recurring | Level 2 | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
20,533
|
19,318
|
|
| Recurring | Level 2 | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
275
|
38
|
|
| Other debt securities carried at fair value |
198
|
101
|
|
| Recurring | Level 2 | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
29,186
|
25,274
|
|
| Recurring | Level 2 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
23,551
|
22,320
|
|
| Recurring | Level 2 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
2,859
|
4,603
|
|
| Recurring | Level 2 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
8,410
|
8,412
|
|
| Recurring | Level 2 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
7,703
|
7,186
|
|
| Recurring | Level 2 | Mortgage trading loans and ABS |
|
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
6
|
34
|
|
| 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 |
3,477
|
3,510
|
|
| Derivative assets |
3,467
|
3,562
|
$ 3,800
|
| Total AFS debt securities |
1,010
|
611
|
|
| Other debt securities carried at fair value |
51
|
149
|
|
| Loans and leases |
125
|
82
|
|
| Loans held-for-sale |
123
|
132
|
|
| Other assets |
1,959
|
1,969
|
|
| Total assets |
10,212
|
10,015
|
|
| 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 |
153
|
120
|
|
| Derivative liabilities |
4,997
|
5,523
|
$ 6,500
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
94
|
89
|
|
| Long-term debt |
443
|
553
|
|
| Total liabilities |
5,687
|
6,285
|
|
| Mortgage servicing rights |
923
|
972
|
|
| 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 |
1,913
|
1,814
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
148
|
110
|
|
| Recurring | Level 3 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
335
|
374
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
5
|
10
|
|
| Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
242
|
344
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
4
|
5
|
|
| Recurring | Level 3 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
983
|
973
|
|
| 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 |
7
|
247
|
|
| Other debt securities carried at fair value |
51
|
149
|
|
| Recurring | Level 3 | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
464
|
328
|
|
| Recurring | Level 3 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
401
|
36
|
|
| Recurring | Level 3 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
138
|
0
|
|
| Recurring | Level 3 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
0
|
|
| Recurring | Level 3 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 3 | Mortgage trading loans and ABS |
|
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
$ 0
|
$ 0
|
|