Fair Value Measurements - Recurring Fair Value (Details) - USD ($)
$ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
Mar. 31, 2025 |
| Assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
$ 228,013
|
$ 185,491
|
|
| Trading account assets |
364,221
|
366,954
|
|
| Derivative assets |
338,400
|
292,200
|
|
| Derivative assets |
48,315
|
40,881
|
|
| Total AFS debt securities |
368,963
|
386,798
|
|
| Other debt securities carried at fair value |
17,426
|
16,177
|
|
| Loans and leases |
3,757
|
3,498
|
|
| Loans held-for-sale |
5,431
|
2,271
|
|
| Other assets |
12,107
|
9,058
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
1,783
|
1,223
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
227,301
|
223,067
|
|
| Derivative liabilities |
333,000
|
297,600
|
|
| Derivative liabilities |
43,938
|
42,076
|
|
| Short-term borrowings |
11,444
|
8,051
|
|
| Long-term debt |
79,274
|
72,591
|
|
| U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
214,447
|
249,834
|
|
| Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
43,446
|
33,141
|
|
| Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
18,275
|
19,199
|
|
| Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
263
|
272
|
|
| Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
43,941
|
38,494
|
|
| Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
6,131
|
6,304
|
|
| Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
9,048
|
7,787
|
|
| Recurring |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,343
|
1,242
|
|
| Netting adjustments |
(412,736)
|
(486,822)
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
228,013
|
185,491
|
|
| Trading account assets |
364,221
|
366,954
|
|
| Netting adjustments |
(290,148)
|
(251,326)
|
|
| Derivative assets |
48,315
|
40,881
|
|
| Total AFS debt securities |
368,963
|
386,798
|
|
| Other debt securities carried at fair value |
17,426
|
16,177
|
|
| Loans and leases |
3,757
|
3,498
|
|
| Loans held-for-sale |
5,431
|
2,271
|
|
| Other assets |
12,107
|
9,058
|
|
| Total assets |
1,049,576
|
1,012,370
|
|
| Netting adjustments |
(702,884)
|
(738,148)
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
1,783
|
1,223
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
227,301
|
223,067
|
|
| Netting adjustments |
(412,736)
|
(486,822)
|
|
| Total trading account liabilities |
129,833
|
105,996
|
|
| Netting adjustments |
(289,124)
|
(255,511)
|
|
| Derivative liabilities |
43,938
|
42,076
|
|
| Short-term borrowings |
11,444
|
8,051
|
|
| Accrued expenses and other liabilities |
10,825
|
8,996
|
|
| Long-term debt |
79,274
|
72,591
|
|
| Total liabilities |
504,398
|
462,000
|
|
| Netting adjustments |
(701,860)
|
(742,333)
|
|
| Mortgage servicing rights |
$ 963
|
$ 946
|
|
| Level 3 recurring assets, as a percent of total assets |
0.31%
|
0.29%
|
|
| Level 3 recurring liabilities, as a percent of total liabilities |
0.19%
|
0.19%
|
|
| Recurring | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
$ 73,666
|
$ 86,270
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
19,007
|
8,179
|
|
| Recurring | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
60,599
|
61,378
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
15,413
|
12,333
|
|
| Recurring | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
112,538
|
116,657
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
67,864
|
65,057
|
|
| Recurring | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
57,905
|
46,999
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
27,535
|
20,415
|
|
| Recurring | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
50,117
|
44,700
|
|
| Recurring | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
9,396
|
10,950
|
|
| Recurring | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
214,447
|
249,834
|
|
| Other debt securities carried at fair value |
4,680
|
3,285
|
|
| Recurring | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
43,446
|
33,141
|
|
| Other debt securities carried at fair value |
5
|
|
|
| Recurring | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
18,275
|
19,199
|
|
| Recurring | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
263
|
272
|
|
| Other debt securities carried at fair value |
239
|
248
|
|
| Recurring | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
43,941
|
38,494
|
|
| Recurring | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
33,412
|
31,767
|
|
| Recurring | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
6,131
|
6,304
|
|
| Recurring | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
9,048
|
7,787
|
|
| Recurring | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
12,502
|
12,644
|
|
| Recurring | Mortgage trading loans and ABS |
|
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
14
|
12
|
|
| Recurring | Securities segregated for compliance or deposited with clearing organizations |
|
|
|
| Assets |
|
|
|
| Trading account assets |
16,000
|
13,200
|
|
| Recurring | Commodities Investment |
|
|
|
| Assets |
|
|
|
| Trading account assets |
703
|
27
|
|
| Recurring | Level 1 |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,343
|
1,242
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
166,976
|
166,204
|
|
| Derivative assets |
20,047
|
18,469
|
|
| Total AFS debt securities |
214,632
|
249,260
|
|
| Other debt securities carried at fair value |
5,849
|
3,949
|
|
| Loans and leases |
0
|
0
|
|
| Loans held-for-sale |
0
|
0
|
|
| Other assets |
6,492
|
3,742
|
|
| Total assets |
415,339
|
442,866
|
|
| 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 |
95,478
|
71,925
|
|
| Derivative liabilities |
19,686
|
18,470
|
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
7,209
|
4,656
|
|
| Long-term debt |
0
|
0
|
|
| Total liabilities |
122,373
|
95,051
|
|
| Recurring | Level 1 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
72,490
|
83,234
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
18,877
|
8,174
|
|
| 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 |
80,280
|
77,225
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
61,909
|
58,980
|
|
| Recurring | Level 1 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
14,206
|
5,745
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
14,692
|
4,771
|
|
| 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 |
213,702
|
249,025
|
|
| Other debt securities carried at fair value |
4,680
|
3,285
|
|
| Recurring | Level 1 | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
0
|
|
| Other debt securities carried at fair value |
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 |
930
|
235
|
|
| 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 |
1,169
|
664
|
|
| 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 |
0
|
0
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
640,749
|
672,313
|
|
| Trading account assets |
193,626
|
197,331
|
|
| Derivative assets |
313,574
|
269,936
|
|
| Total AFS debt securities |
154,244
|
137,185
|
|
| Other debt securities carried at fair value |
11,577
|
12,103
|
|
| Loans and leases |
3,687
|
3,422
|
|
| Loans held-for-sale |
5,377
|
2,216
|
|
| Other assets |
3,551
|
3,198
|
|
| Total assets |
1,326,385
|
1,297,704
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
1,783
|
1,223
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
640,037
|
709,889
|
|
| Total trading account liabilities |
34,245
|
33,938
|
|
| Derivative liabilities |
307,950
|
274,002
|
|
| Short-term borrowings |
11,434
|
8,011
|
|
| Accrued expenses and other liabilities |
3,564
|
4,312
|
|
| Long-term debt |
78,703
|
72,110
|
|
| Total liabilities |
1,077,716
|
1,103,485
|
|
| Recurring | Level 2 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
1,176
|
3,036
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
130
|
5
|
|
| Recurring | Level 2 | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
58,530
|
59,456
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
15,321
|
12,214
|
|
| Recurring | Level 2 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
31,972
|
39,110
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
5,937
|
6,063
|
|
| Recurring | Level 2 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
43,453
|
41,014
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
12,843
|
15,644
|
|
| Recurring | Level 2 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
50,109
|
44,691
|
|
| Recurring | Level 2 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
8,386
|
10,024
|
|
| Recurring | Level 2 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
745
|
809
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 2 | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
43,446
|
33,141
|
|
| Other debt securities carried at fair value |
5
|
|
|
| Recurring | Level 2 | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
18,275
|
19,199
|
|
| Recurring | Level 2 | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
263
|
263
|
|
| Other debt securities carried at fair value |
239
|
123
|
|
| Recurring | Level 2 | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
43,900
|
38,472
|
|
| Recurring | Level 2 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
32,436
|
31,488
|
|
| Recurring | Level 2 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
6,131
|
6,026
|
|
| Recurring | Level 2 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
9,048
|
7,787
|
|
| Recurring | Level 2 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
11,333
|
11,980
|
|
| Recurring | Level 2 | Mortgage trading loans and ABS |
|
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
14
|
12
|
|
| 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 |
3,619
|
3,419
|
|
| Derivative assets |
4,842
|
3,802
|
$ 3,500
|
| Total AFS debt securities |
87
|
353
|
|
| Other debt securities carried at fair value |
0
|
125
|
|
| Loans and leases |
70
|
76
|
|
| Loans held-for-sale |
54
|
55
|
|
| Other assets |
2,064
|
2,118
|
|
| Total assets |
10,736
|
9,948
|
|
| 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 |
110
|
133
|
|
| Derivative liabilities |
5,426
|
5,115
|
$ 5,000
|
| Short-term borrowings |
10
|
40
|
|
| Accrued expenses and other liabilities |
52
|
28
|
|
| Long-term debt |
571
|
481
|
|
| Total liabilities |
6,169
|
5,797
|
|
| 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 |
2,069
|
1,922
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
92
|
119
|
|
| Recurring | Level 3 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
286
|
322
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
18
|
14
|
|
| Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
246
|
240
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
8
|
9
|
|
| Recurring | Level 3 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
1,010
|
926
|
|
| 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
|
|
| Other debt securities carried at fair value |
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 |
0
|
9
|
|
| Other debt securities carried at fair value |
0
|
125
|
|
| Recurring | Level 3 | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
41
|
22
|
|
| Recurring | Level 3 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
46
|
44
|
|
| Recurring | Level 3 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
278
|
|
| 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
|
|