Fair Value Measurements - Recurring Fair Value (Details) - USD ($)
$ in Millions |
Sep. 30, 2025 |
Dec. 31, 2024 |
Sep. 30, 2024 |
| Assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
$ 173,686
|
$ 144,501
|
|
| Trading account assets |
335,566
|
314,460
|
|
| Derivative assets |
303,100
|
308,100
|
|
| Derivative assets |
42,115
|
40,948
|
|
| Total AFS debt securities |
390,293
|
346,432
|
|
| Other debt securities carried at fair value |
14,343
|
12,175
|
|
| Loans and leases |
6,694
|
4,249
|
|
| Loans held-for-sale |
2,071
|
2,214
|
|
| Other assets |
9,830
|
13,176
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
1,079
|
310
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
215,376
|
192,859
|
|
| Derivative liabilities |
303,500
|
305,700
|
|
| Derivative liabilities |
40,157
|
39,353
|
|
| Short-term borrowings |
6,432
|
6,245
|
|
| Long-term debt |
66,315
|
50,005
|
|
| U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
266,633
|
234,579
|
|
| Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
31,940
|
31,202
|
|
| Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
20,282
|
19,318
|
|
| Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
275
|
285
|
|
| Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
32,023
|
25,602
|
|
| Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
3,074
|
4,603
|
|
| Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
7,989
|
8,412
|
|
| Recurring |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,401
|
1,318
|
|
| Netting adjustments |
(455,252)
|
(377,377)
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
173,686
|
144,501
|
|
| Trading account assets |
335,566
|
314,460
|
|
| Netting adjustments |
(261,019)
|
(267,180)
|
|
| Derivative assets |
42,115
|
40,948
|
|
| Total AFS debt securities |
390,293
|
346,432
|
|
| Other debt securities carried at fair value |
14,343
|
12,175
|
|
| Loans and leases |
6,694
|
4,249
|
|
| Loans held-for-sale |
2,071
|
2,214
|
|
| Other assets |
9,830
|
13,176
|
|
| Total assets |
975,999
|
879,473
|
|
| Netting adjustments |
(716,271)
|
(644,557)
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
1,079
|
310
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
215,376
|
192,859
|
|
| Netting adjustments |
(455,252)
|
(377,377)
|
|
| Total trading account liabilities |
117,322
|
92,543
|
|
| Netting adjustments |
(263,281)
|
(266,334)
|
|
| Derivative liabilities |
40,157
|
39,353
|
|
| Short-term borrowings |
6,432
|
6,245
|
|
| Accrued expenses and other liabilities |
8,511
|
13,199
|
|
| Long-term debt |
66,315
|
50,005
|
|
| Total liabilities |
455,192
|
394,514
|
|
| Netting adjustments |
(718,533)
|
(643,711)
|
|
| Mortgage servicing rights |
$ 930
|
$ 972
|
|
| Level 3 recurring assets, as a percent of total assets |
0.31%
|
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 |
$ 60,395
|
$ 70,522
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
15,246
|
16,603
|
|
| Recurring | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
55,107
|
45,036
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
12,835
|
10,981
|
|
| Recurring | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
109,300
|
103,607
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
67,612
|
44,919
|
|
| Recurring | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
52,833
|
40,124
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
21,604
|
20,006
|
|
| Recurring | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
47,985
|
43,855
|
|
| Recurring | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
9,946
|
11,316
|
|
| Recurring | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
266,633
|
234,579
|
|
| Other debt securities carried at fair value |
2,444
|
3,885
|
|
| Recurring | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
31,940
|
31,202
|
|
| Recurring | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
20,282
|
19,318
|
|
| Recurring | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
275
|
285
|
|
| Other debt securities carried at fair value |
253
|
250
|
|
| Recurring | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
32,023
|
25,602
|
|
| Recurring | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
28,077
|
22,431
|
|
| Recurring | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
3,074
|
4,603
|
|
| Recurring | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
7,989
|
8,412
|
|
| Recurring | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
11,646
|
8,040
|
|
| Recurring | Mortgage trading loans and ABS |
|
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
25
|
34
|
|
| Recurring | Securities segregated for compliance or deposited with clearing organizations |
|
|
|
| Assets |
|
|
|
| Trading account assets |
12,300
|
18,300
|
|
| Recurring | Commodities Investment |
|
|
|
| Assets |
|
|
|
| Trading account assets |
25
|
99
|
|
| Recurring | Level 1 |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,401
|
1,318
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
134,600
|
136,382
|
|
| Derivative assets |
23,595
|
14,626
|
|
| Total AFS debt securities |
266,046
|
233,746
|
|
| Other debt securities carried at fair value |
3,360
|
4,739
|
|
| Loans and leases |
0
|
0
|
|
| Loans held-for-sale |
0
|
0
|
|
| Other assets |
4,483
|
8,279
|
|
| Total assets |
433,485
|
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 |
85,067
|
59,201
|
|
| Derivative liabilities |
24,514
|
15,354
|
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
5,999
|
9,113
|
|
| Long-term debt |
0
|
0
|
|
| Total liabilities |
115,580
|
83,668
|
|
| Recurring | Level 1 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
56,066
|
66,582
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
15,047
|
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 |
68,536
|
66,783
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
60,479
|
40,066
|
|
| Recurring | Level 1 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
9,998
|
3,017
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
9,541
|
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 |
265,793
|
233,671
|
|
| Other debt securities carried at fair value |
2,444
|
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 |
253
|
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 |
916
|
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 |
0
|
0
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
628,938
|
521,878
|
|
| Trading account assets |
197,453
|
174,568
|
|
| Derivative assets |
275,190
|
289,940
|
|
| Total AFS debt securities |
123,730
|
112,075
|
|
| Other debt securities carried at fair value |
10,939
|
7,287
|
|
| Loans and leases |
6,569
|
4,167
|
|
| Loans held-for-sale |
1,981
|
2,082
|
|
| Other assets |
3,292
|
2,928
|
|
| Total assets |
1,248,092
|
1,114,925
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
1,079
|
310
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
670,628
|
570,236
|
|
| Total trading account liabilities |
32,161
|
33,222
|
|
| Derivative liabilities |
273,615
|
284,810
|
|
| Short-term borrowings |
6,426
|
6,245
|
|
| Accrued expenses and other liabilities |
2,503
|
3,997
|
|
| Long-term debt |
65,853
|
49,452
|
|
| Total liabilities |
1,052,265
|
948,272
|
|
| Recurring | Level 2 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
4,329
|
3,940
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
199
|
195
|
|
| Recurring | Level 2 | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
53,152
|
43,222
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
12,747
|
10,871
|
|
| Recurring | Level 2 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
40,411
|
36,450
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
7,127
|
4,843
|
|
| Recurring | Level 2 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
42,568
|
36,763
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
12,063
|
17,279
|
|
| Recurring | Level 2 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
47,976
|
43,850
|
|
| Recurring | Level 2 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
9,017
|
10,343
|
|
| Recurring | Level 2 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
840
|
908
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 2 | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
31,940
|
31,202
|
|
| Recurring | Level 2 | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
20,282
|
19,318
|
|
| Recurring | Level 2 | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
272
|
38
|
|
| Other debt securities carried at fair value |
209
|
101
|
|
| Recurring | Level 2 | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
31,550
|
25,274
|
|
| Recurring | Level 2 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
27,783
|
22,320
|
|
| Recurring | Level 2 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
3,074
|
4,603
|
|
| Recurring | Level 2 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
7,989
|
8,412
|
|
| Recurring | Level 2 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
10,730
|
7,186
|
|
| Recurring | Level 2 | Mortgage trading loans and ABS |
|
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
25
|
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 |
3,513
|
3,510
|
|
| Derivative assets |
4,349
|
3,562
|
$ 3,700
|
| Total AFS debt securities |
517
|
611
|
|
| Other debt securities carried at fair value |
44
|
149
|
|
| Loans and leases |
125
|
82
|
|
| Loans held-for-sale |
90
|
132
|
|
| Other assets |
2,055
|
1,969
|
|
| Total assets |
10,693
|
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 |
94
|
120
|
|
| Derivative liabilities |
5,309
|
5,523
|
$ 5,800
|
| Short-term borrowings |
6
|
0
|
|
| Accrued expenses and other liabilities |
9
|
89
|
|
| Long-term debt |
462
|
553
|
|
| Total liabilities |
5,880
|
6,285
|
|
| Mortgage servicing rights |
930
|
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 |
1,955
|
1,814
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
88
|
110
|
|
| Recurring | Level 3 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
353
|
374
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
6
|
10
|
|
| Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
267
|
344
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
9
|
5
|
|
| Recurring | Level 3 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
929
|
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 |
3
|
247
|
|
| Other debt securities carried at fair value |
44
|
149
|
|
| Recurring | Level 3 | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
473
|
328
|
|
| Recurring | Level 3 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
41
|
36
|
|
| 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
|
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
|
|