Fair Value Measurements - Recurring Fair Value (Details) - USD ($)
$ in Millions |
Mar. 31, 2024 |
Dec. 31, 2023 |
Mar. 31, 2023 |
| Assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
$ 158,281
|
$ 133,053
|
|
| Trading account assets |
318,364
|
277,354
|
|
| Derivative assets |
283,700
|
290,300
|
|
| Derivative assets |
36,236
|
39,323
|
|
| Total AFS debt securities |
313,073
|
266,649
|
|
| Other debt securities carried at fair value |
10,046
|
10,203
|
|
| Loans and leases |
2,938
|
3,569
|
|
| Loans held-for-sale |
2,070
|
2,059
|
|
| Other assets |
13,935
|
11,861
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
341
|
284
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
206,867
|
178,609
|
|
| Derivative liabilities |
292,300
|
301,200
|
|
| Derivative liabilities |
40,401
|
43,432
|
|
| Short-term borrowings |
6,611
|
4,690
|
|
| Long-term debt |
43,975
|
42,809
|
|
| U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
228,839
|
177,666
|
|
| Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
36,512
|
37,812
|
|
| Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
2,450
|
2,544
|
|
| Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
298
|
382
|
|
| Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
10,575
|
10,435
|
|
| Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
3,238
|
4,835
|
|
| Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
9,910
|
10,100
|
|
| Recurring |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,494
|
1,181
|
|
| Netting adjustments |
(316,651)
|
(303,287)
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
158,281
|
133,053
|
|
| Trading account assets |
318,364
|
277,354
|
|
| Netting adjustments |
(247,477)
|
(251,019)
|
|
| Derivative assets |
36,236
|
39,323
|
|
| Total AFS debt securities |
313,073
|
266,649
|
|
| Other debt securities carried at fair value |
10,046
|
10,203
|
|
| Loans and leases |
2,938
|
3,569
|
|
| Loans held-for-sale |
2,070
|
2,059
|
|
| Other assets |
13,935
|
11,861
|
|
| Total assets |
856,437
|
745,252
|
|
| Netting adjustments |
(564,128)
|
(554,306)
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
341
|
284
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
206,867
|
178,609
|
|
| Netting adjustments |
(316,651)
|
(303,287)
|
|
| Total trading account liabilities |
114,326
|
95,530
|
|
| Netting adjustments |
(251,896)
|
(257,767)
|
|
| Derivative liabilities |
40,401
|
43,432
|
|
| Short-term borrowings |
6,611
|
4,690
|
|
| Accrued expenses and other liabilities |
14,605
|
11,473
|
|
| Long-term debt |
43,975
|
42,809
|
|
| Total liabilities |
427,126
|
376,827
|
|
| Netting adjustments |
(568,547)
|
(561,054)
|
|
| Mortgage servicing rights |
$ 995
|
$ 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 |
0.24%
|
0.23%
|
|
| Recurring | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
$ 65,918
|
$ 67,123
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
17,709
|
14,973
|
|
| Recurring | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
45,551
|
43,151
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
11,739
|
7,676
|
|
| Recurring | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
112,479
|
88,998
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
58,160
|
56,494
|
|
| Recurring | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
45,279
|
27,108
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
26,615
|
16,387
|
|
| Recurring | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
39,384
|
38,804
|
|
| Recurring | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
9,753
|
12,170
|
|
| Recurring | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
228,839
|
177,666
|
|
| Other debt securities carried at fair value |
1,895
|
1,690
|
|
| Recurring | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
36,512
|
37,812
|
|
| Recurring | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
2,450
|
2,544
|
|
| Recurring | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
298
|
382
|
|
| Other debt securities carried at fair value |
263
|
280
|
|
| Recurring | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
10,575
|
10,435
|
|
| Recurring | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
21,251
|
22,875
|
|
| Recurring | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
3,238
|
4,835
|
|
| Recurring | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
9,910
|
10,100
|
|
| Recurring | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
7,888
|
8,233
|
|
| Recurring | Mortgage trading loans and ABS |
|
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
103
|
|
|
| Recurring | Securities segregated for compliance or deposited with clearing organizations |
|
|
|
| Assets |
|
|
|
| Trading account assets |
18,800
|
18,000
|
|
| Recurring | Commodities Investment |
|
|
|
| Assets |
|
|
|
| Trading account assets |
71
|
42
|
|
| Recurring | Level 1 |
|
|
|
| Assets |
|
|
|
| Time deposits placed and other short-term investments |
1,494
|
1,181
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
144,224
|
118,108
|
|
| Derivative assets |
20,783
|
14,676
|
|
| Total AFS debt securities |
229,227
|
177,857
|
|
| Other debt securities carried at fair value |
2,816
|
3,476
|
|
| Loans and leases |
0
|
0
|
|
| Loans held-for-sale |
0
|
0
|
|
| Other assets |
9,419
|
8,052
|
|
| Total assets |
407,963
|
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 |
85,582
|
76,070
|
|
| Derivative liabilities |
23,123
|
14,375
|
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
11,063
|
8,969
|
|
| Long-term debt |
0
|
0
|
|
| Total liabilities |
119,768
|
99,414
|
|
| Recurring | Level 1 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
65,085
|
65,160
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
17,709
|
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 |
68,592
|
47,431
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
52,745
|
51,772
|
|
| Recurring | Level 1 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
10,547
|
5,517
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
15,128
|
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 |
227,956
|
176,764
|
|
| Other debt securities carried at fair value |
1,895
|
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 |
1,271
|
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 |
921
|
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 |
474,932
|
436,340
|
|
| Trading account assets |
170,892
|
155,757
|
|
| Derivative assets |
259,096
|
272,244
|
|
| Total AFS debt securities |
83,504
|
88,416
|
|
| Other debt securities carried at fair value |
7,159
|
6,658
|
|
| Loans and leases |
2,848
|
3,476
|
|
| Loans held-for-sale |
1,921
|
1,895
|
|
| Other assets |
2,848
|
2,152
|
|
| Total assets |
1,003,200
|
966,938
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
341
|
284
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase |
523,518
|
481,896
|
|
| Total trading account liabilities |
28,673
|
19,409
|
|
| Derivative liabilities |
262,672
|
280,908
|
|
| Short-term borrowings |
6,602
|
4,680
|
|
| Accrued expenses and other liabilities |
3,523
|
2,483
|
|
| Long-term debt |
43,364
|
42,195
|
|
| Total liabilities |
868,693
|
831,855
|
|
| Recurring | Level 2 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Trading account assets |
833
|
1,963
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
65
|
|
| Recurring | Level 2 | Corporate securities, trading loans and other |
|
|
|
| Assets |
|
|
|
| Trading account assets |
43,969
|
41,462
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
11,696
|
7,637
|
|
| Recurring | Level 2 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
43,673
|
41,380
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
5,387
|
4,710
|
|
| Recurring | Level 2 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
34,338
|
21,195
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
11,487
|
6,997
|
|
| Recurring | Level 2 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
39,383
|
38,802
|
|
| Recurring | Level 2 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
8,696
|
10,955
|
|
| Recurring | Level 2 | U.S. Treasury and government agencies |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
883
|
902
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 2 | Agency |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
36,512
|
37,812
|
|
| Recurring | Level 2 | Agency-collateralized mortgage obligations |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
2,450
|
2,544
|
|
| Recurring | Level 2 | Non-agency residential |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
47
|
109
|
|
| Other debt securities carried at fair value |
192
|
211
|
|
| Recurring | Level 2 | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
10,575
|
10,435
|
|
| Recurring | Level 2 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
19,889
|
21,679
|
|
| Recurring | Level 2 | Other taxable securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
3,238
|
4,835
|
|
| Recurring | Level 2 | Tax-exempt securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
9,910
|
10,100
|
|
| Recurring | Level 2 | Non-U.S. and other securities |
|
|
|
| Assets |
|
|
|
| Other debt securities carried at fair value |
6,967
|
6,447
|
|
| Recurring | Level 2 | Mortgage trading loans and ABS |
|
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
103
|
|
|
| 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 |
3,248
|
3,489
|
|
| Derivative assets |
3,834
|
3,422
|
$ 3,600
|
| Total AFS debt securities |
342
|
376
|
|
| Other debt securities carried at fair value |
71
|
69
|
|
| Loans and leases |
90
|
93
|
|
| Loans held-for-sale |
149
|
164
|
|
| Other assets |
1,668
|
1,657
|
|
| Total assets |
9,402
|
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 |
71
|
51
|
|
| Derivative liabilities |
6,502
|
5,916
|
$ 6,300
|
| Short-term borrowings |
9
|
10
|
|
| Accrued expenses and other liabilities |
19
|
21
|
|
| Long-term debt |
611
|
614
|
|
| Total liabilities |
7,212
|
6,612
|
|
| Mortgage servicing rights |
995
|
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 |
1,582
|
1,689
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
43
|
39
|
|
| Recurring | Level 3 | Equity securities |
|
|
|
| Assets |
|
|
|
| Trading account assets |
214
|
187
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
28
|
12
|
|
| Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
| Assets |
|
|
|
| Trading account assets |
394
|
396
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | U.S. government-sponsored agency guaranteed |
|
|
|
| Assets |
|
|
|
| Trading account assets |
1
|
2
|
|
| Recurring | Level 3 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Assets |
|
|
|
| Trading account assets |
1,057
|
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 |
251
|
273
|
|
| Other debt securities carried at fair value |
71
|
69
|
|
| Recurring | Level 3 | Commercial |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
0
|
0
|
|
| Recurring | Level 3 | Non-U.S. securities |
|
|
|
| Assets |
|
|
|
| Total AFS debt securities |
91
|
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
|
|
|