Fair Value Measurements - Recurring Fair Value (Details) - USD ($)
$ in Millions |
Sep. 30, 2024 |
Dec. 31, 2023 |
Sep. 30, 2023 |
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
$ 1,200
|
$ 1,200
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
176,229
|
133,053
|
|
| Trading account assets |
342,135
|
277,354
|
|
| Derivative assets |
307,300
|
290,300
|
|
| Derivative assets |
34,182
|
39,323
|
|
| Total AFS debt securities |
315,719
|
266,649
|
|
| Other debt securities carried at fair value |
9,717
|
10,203
|
|
| Loans and leases |
4,172
|
3,569
|
|
| Loans held-for-sale |
3,141
|
2,059
|
|
| Other assets |
17,254
|
11,861
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
443
|
284
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
243,431
|
178,609
|
|
| Derivative liabilities |
324,000
|
301,200
|
|
| Derivative liabilities |
43,131
|
43,432
|
|
| Short-term borrowings |
6,478
|
4,690
|
|
| Long-term debt |
53,554
|
42,809
|
|
| U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
210,195
|
177,666
|
|
| Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
34,594
|
37,812
|
|
| Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
16,504
|
2,544
|
|
| Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
296
|
382
|
|
| Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
18,986
|
10,435
|
|
| Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
2,609
|
4,835
|
|
| Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
9,621
|
10,100
|
|
| Recurring |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,174
|
1,181
|
|
| Netting adjustments |
(347,458)
|
(303,287)
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
176,229
|
133,053
|
|
| Trading account assets |
342,135
|
277,354
|
|
| Netting adjustments |
(273,145)
|
(251,019)
|
|
| Derivative assets |
34,182
|
39,323
|
|
| Total AFS debt securities |
315,719
|
266,649
|
|
| Other debt securities carried at fair value |
9,717
|
10,203
|
|
| Loans and leases |
4,172
|
3,569
|
|
| Loans held-for-sale |
3,141
|
2,059
|
|
| Other assets |
17,254
|
11,861
|
|
| Total assets |
903,723
|
745,252
|
|
| Netting adjustments |
(620,603)
|
(554,306)
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
443
|
284
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
243,431
|
178,609
|
|
| Netting adjustments |
(347,458)
|
(303,287)
|
|
| Total trading account liabilities |
98,316
|
95,530
|
|
| Netting adjustments |
(280,927)
|
(257,767)
|
|
| Derivative liabilities |
43,131
|
43,432
|
|
| Short-term borrowings |
6,478
|
4,690
|
|
| Accrued expenses and other liabilities |
16,036
|
11,473
|
|
| Long-term debt |
53,554
|
42,809
|
|
| Total liabilities |
461,389
|
376,827
|
|
| Netting adjustments |
(628,385)
|
(561,054)
|
|
| Mortgage servicing rights |
$ 919
|
$ 970
|
|
| Level 3 recurring assets, as a percent of total assets |
0.29%
|
0.29%
|
|
| Level 3 recurring liabilities, as a percent of total liabilities |
0.21%
|
0.23%
|
|
| Recurring | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
$ 61,670
|
$ 67,123
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
14,893
|
14,973
|
|
| Recurring | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
49,561
|
43,151
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
14,244
|
7,676
|
|
| Recurring | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
120,443
|
88,998
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
42,806
|
56,494
|
|
| Recurring | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
54,882
|
27,108
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
26,363
|
16,387
|
|
| Recurring | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
45,276
|
38,804
|
|
| Recurring | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
10,303
|
12,170
|
|
| Recurring | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
210,195
|
177,666
|
|
| Other debt securities carried at fair value |
2,384
|
1,690
|
|
| Recurring | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
34,594
|
37,812
|
|
| Recurring | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
16,504
|
2,544
|
|
| Recurring | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
296
|
382
|
|
| Other debt securities carried at fair value |
266
|
280
|
|
| Recurring | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
18,986
|
10,435
|
|
| Recurring | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
22,914
|
22,875
|
|
| Recurring | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
2,609
|
4,835
|
|
| Recurring | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
9,621
|
10,100
|
|
| Recurring | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
7,067
|
8,233
|
|
| Recurring | Mortgage trading loans and ABS |
|
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
10
|
|
|
| Recurring | Securities segregated for compliance or deposited with clearing organizations |
|
|
|
| Assets |
|
|
|
| Trading account assets |
18,700
|
18,000
|
|
| Recurring | Commodities Investment |
|
|
|
| Assets |
|
|
|
| Trading account assets |
97
|
42
|
|
| Recurring | Level 1 |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,174
|
1,181
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
160,332
|
118,108
|
|
| Derivative assets |
20,477
|
14,676
|
|
| Total AFS debt securities |
210,253
|
177,857
|
|
| Other debt securities carried at fair value |
3,177
|
3,476
|
|
| Loans and leases |
0
|
0
|
|
| Loans held-for-sale |
0
|
0
|
|
| Other assets |
11,617
|
8,052
|
|
| Total assets |
407,030
|
323,350
|
|
| 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 |
65,115
|
76,070
|
|
| Derivative liabilities |
21,189
|
14,375
|
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
12,319
|
8,969
|
|
| Long-term debt |
0
|
0
|
|
| Total liabilities |
98,623
|
99,414
|
|
| Recurring | Level 1 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
61,516
|
65,160
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
14,676
|
14,908
|
|
| 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 |
85,151
|
47,431
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
36,574
|
51,772
|
|
| Recurring | Level 1 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
13,665
|
5,517
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
13,865
|
9,390
|
|
| 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 |
209,247
|
176,764
|
|
| Other debt securities carried at fair value |
2,384
|
1,690
|
|
| 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 |
1,006
|
1,093
|
|
| 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 |
793
|
1,786
|
|
| Recurring | Level 1 | Mortgage trading loans and ABS |
|
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
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 |
523,687
|
436,340
|
|
| Trading account assets |
178,377
|
155,757
|
|
| Derivative assets |
283,198
|
272,244
|
|
| Total AFS debt securities |
104,975
|
88,416
|
|
| Other debt securities carried at fair value |
6,403
|
6,658
|
|
| Loans and leases |
4,086
|
3,476
|
|
| Loans held-for-sale |
2,985
|
1,895
|
|
| Other assets |
3,889
|
2,152
|
|
| Total assets |
1,107,600
|
966,938
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
443
|
284
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
590,889
|
481,896
|
|
| Total trading account liabilities |
33,122
|
19,409
|
|
| Derivative liabilities |
297,058
|
280,908
|
|
| Short-term borrowings |
6,478
|
4,680
|
|
| Accrued expenses and other liabilities |
3,707
|
2,483
|
|
| Long-term debt |
52,975
|
42,195
|
|
| Total liabilities |
984,672
|
831,855
|
|
| Recurring | Level 2 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
154
|
1,963
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
217
|
65
|
|
| Recurring | Level 2 | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
47,761
|
41,462
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
14,173
|
7,637
|
|
| Recurring | Level 2 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
35,041
|
41,380
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
6,224
|
4,710
|
|
| Recurring | Level 2 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
40,876
|
21,195
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
12,498
|
6,997
|
|
| Recurring | Level 2 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
45,272
|
38,802
|
|
| Recurring | Level 2 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
9,273
|
10,955
|
|
| Recurring | Level 2 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
948
|
902
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 2 | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
34,594
|
37,812
|
|
| Recurring | Level 2 | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
16,504
|
2,544
|
|
| Recurring | Level 2 | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
75
|
109
|
|
| Other debt securities carried at fair value |
129
|
211
|
|
| Recurring | Level 2 | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
18,793
|
10,435
|
|
| Recurring | Level 2 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
21,831
|
21,679
|
|
| Recurring | Level 2 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
2,609
|
4,835
|
|
| Recurring | Level 2 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
9,621
|
10,100
|
|
| Recurring | Level 2 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
6,274
|
6,447
|
|
| Recurring | Level 2 | Mortgage trading loans and ABS |
|
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
10
|
|
|
| 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 |
3,426
|
3,489
|
|
| Derivative assets |
3,652
|
3,422
|
$ 4,600
|
| Total AFS debt securities |
491
|
376
|
|
| Other debt securities carried at fair value |
137
|
69
|
|
| Loans and leases |
86
|
93
|
|
| Loans held-for-sale |
156
|
164
|
|
| Other assets |
1,748
|
1,657
|
|
| Total assets |
9,696
|
9,270
|
|
| 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 |
79
|
51
|
|
| Derivative liabilities |
5,811
|
5,916
|
$ 9,100
|
| Short-term borrowings |
0
|
10
|
|
| Accrued expenses and other liabilities |
10
|
21
|
|
| Long-term debt |
579
|
614
|
|
| Total liabilities |
6,479
|
6,612
|
|
| Mortgage servicing rights |
919
|
970
|
|
| 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 |
1,800
|
1,689
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
71
|
39
|
|
| Recurring | Level 3 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
251
|
187
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
8
|
12
|
|
| Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
341
|
396
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
4
|
2
|
|
| Recurring | Level 3 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
1,030
|
1,215
|
|
| 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 |
221
|
273
|
|
| Other debt securities carried at fair value |
137
|
69
|
|
| Recurring | Level 3 | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
193
|
0
|
|
| Recurring | Level 3 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
77
|
103
|
|
| 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
|
|
|