Fair Value Measurements - Recurring Fair Value (Details) - USD ($)
$ in Millions |
Jun. 30, 2017 |
Dec. 31, 2016 |
Jun. 30, 2016 |
| Financial assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
$ 50,758
|
$ 49,750
|
|
| Trading account assets |
216,369
|
180,209
|
|
| Gross derivative assets |
510,400
|
631,100
|
|
| Derivative assets |
39,190
|
42,512
|
|
| Total available-for-sale debt securities |
299,566
|
|
|
| Other debt securities carried at fair value |
15,943
|
19,720
|
|
| Loans and leases |
7,325
|
7,085
|
|
| Loans held-for-sale |
2,707
|
4,026
|
|
| Customer and other receivables |
250
|
|
|
| Debt securities in assets of business held for sale |
|
619
|
|
| Other assets |
14,865
|
13,802
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
456
|
731
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
32,132
|
35,766
|
|
| Gross derivative liabilities |
514,600
|
628,300
|
|
| Derivative liabilities |
34,880
|
39,480
|
|
| Short-term borrowings |
1,572
|
2,024
|
|
| Long-term debt |
29,073
|
30,037
|
|
| Operating Segments | Consumer Banking |
|
|
|
| Financial assets |
|
|
|
| Mortgage servicing rights |
1,800
|
2,100
|
|
| Operating Segments | Global Markets |
|
|
|
| Financial assets |
|
|
|
| Mortgage servicing rights |
505
|
469
|
|
| All Other |
|
|
|
| Financial assets |
|
|
|
| Mortgage servicing rights |
211
|
212
|
|
| Derivative liabilities |
|
|
|
| Assets and Liabilities, Recurring Basis, Supplemental Information: |
|
|
|
| Liabilities transferred from Level 1 to Level 2 |
1,100
|
2,400
|
|
| Liabilities transferred from Level 2 to Level 1 |
335
|
1,800
|
|
| Derivative assets |
|
|
|
| Assets and Liabilities, Recurring Basis, Supplemental Information: |
|
|
|
| Assets transferred from Level 1 to Level 2 |
1,800
|
2,300
|
|
| Assets transferred from Level 2 to Level 1 |
373
|
2,000
|
|
| U.S. government and agency securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
51,423
|
48,252
|
|
| Agency |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
192,174
|
189,486
|
|
| Agency-collateralized mortgage obligations |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
7,484
|
8,330
|
|
| Other debt securities carried at fair value |
5
|
5
|
|
| Non-agency residential |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
1,914
|
2,013
|
|
| Other debt securities carried at fair value |
3,037
|
3,139
|
|
| Commercial |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
12,441
|
12,322
|
|
| Other taxable securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
9,051
|
10,614
|
|
| Other debt securities carried at fair value |
236
|
240
|
|
| Tax-exempt securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
18,477
|
17,160
|
|
| Recurring |
|
|
|
| Financial assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
50,758
|
49,750
|
|
| Trading account assets |
216,369
|
180,209
|
|
| Netting adjustments |
(471,188)
|
(588,604)
|
|
| Derivative assets |
39,190
|
42,512
|
|
| Total available-for-sale debt securities |
299,566
|
293,940
|
|
| Other debt securities carried at fair value |
15,943
|
19,720
|
|
| Loans and leases |
7,325
|
7,085
|
|
| Mortgage servicing rights |
2,501
|
2,747
|
|
| Loans held-for-sale |
2,707
|
4,026
|
|
| Customer and other receivables |
250
|
|
|
| Debt securities in assets of business held for sale |
|
619
|
|
| Other assets |
14,865
|
13,802
|
|
| Total assets |
649,474
|
614,410
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
456
|
731
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
32,132
|
35,766
|
|
| Total trading account liabilities |
77,933
|
63,031
|
|
| Netting adjustment |
(479,645)
|
(588,833)
|
|
| Derivative liabilities |
34,880
|
39,480
|
|
| Short-term borrowings |
1,572
|
2,024
|
|
| Accrued expenses and other liabilities |
17,278
|
14,630
|
|
| Long-term debt |
29,073
|
30,037
|
|
| Total liabilities |
193,324
|
185,699
|
|
| Recurring | Securities Segregated for Compliance or Deposited with Clearing Organizations |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
15,100
|
14,600
|
|
| Recurring | U.S. Treasury and agency securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
40,923
|
36,514
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
17,938
|
16,051
|
|
| Recurring | Corporate securities, trading loans and other |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
30,349
|
25,809
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
9,608
|
6,570
|
|
| Recurring | Equity securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
88,232
|
72,051
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
33,144
|
28,898
|
|
| Recurring | Non-U.S. sovereign debt |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
27,884
|
20,028
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
17,243
|
11,512
|
|
| Recurring | U.S. government-sponsored agency guaranteed |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
19,530
|
15,799
|
|
| Recurring | Mortgage trading loans, ABS and other MBS |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
9,451
|
10,008
|
|
| Recurring | U.S. government and agency securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
51,423
|
48,252
|
|
| Recurring | Agency |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
192,174
|
189,486
|
|
| Other debt securities carried at fair value |
|
5
|
|
| Recurring | Agency-collateralized mortgage obligations |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
7,484
|
8,330
|
|
| Other debt securities carried at fair value |
5
|
|
|
| Recurring | Non-agency residential |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
1,914
|
2,013
|
|
| Other debt securities carried at fair value |
3,037
|
3,139
|
|
| Recurring | Commercial |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
12,441
|
12,322
|
|
| Recurring | Non-U.S. securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
6,602
|
5,763
|
|
| Other debt securities carried at fair value |
12,665
|
16,336
|
|
| Recurring | Other taxable securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
9,051
|
10,614
|
|
| Other debt securities carried at fair value |
236
|
240
|
|
| Recurring | Tax-exempt securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
18,477
|
17,160
|
|
| Recurring | US Government-sponsored Enterprises Debt Securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
20,100
|
17,500
|
|
| Recurring | Level 1 |
|
|
|
| Financial assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
114,292
|
94,505
|
|
| Gross derivative assets |
7,156
|
7,337
|
|
| Total available-for-sale debt securities |
51,791
|
48,721
|
|
| Other debt securities carried at fair value |
11,305
|
15,109
|
|
| Loans and leases |
0
|
0
|
|
| Mortgage servicing rights |
0
|
0
|
|
| Loans held-for-sale |
0
|
0
|
|
| Customer and other receivables |
0
|
|
|
| Debt securities in assets of business held for sale |
|
619
|
|
| Other assets |
13,443
|
11,824
|
|
| Total assets |
197,987
|
178,115
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
0
|
0
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
0
|
0
|
|
| Total trading account liabilities |
60,783
|
51,310
|
|
| Gross derivative liabilities |
6,827
|
7,173
|
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
15,968
|
12,978
|
|
| Long-term debt |
0
|
0
|
|
| Total liabilities |
83,578
|
71,461
|
|
| Recurring | Level 1 | U.S. Treasury and agency securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
40,147
|
34,587
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
17,531
|
15,854
|
|
| Recurring | Level 1 | Corporate securities, trading loans and other |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
259
|
171
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
213
|
163
|
|
| Recurring | Level 1 | Equity securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
60,435
|
50,169
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
29,099
|
25,884
|
|
| Recurring | Level 1 | Non-U.S. sovereign debt |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
13,451
|
9,578
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
13,940
|
9,409
|
|
| Recurring | Level 1 | U.S. government-sponsored agency guaranteed |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
0
|
0
|
|
| Recurring | Level 1 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
0
|
0
|
|
| Recurring | Level 1 | U.S. government and agency securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
49,793
|
46,787
|
|
| Recurring | Level 1 | Agency |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Other debt securities carried at fair value |
|
0
|
|
| Recurring | Level 1 | Agency-collateralized mortgage obligations |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Other debt securities carried at fair value |
0
|
|
|
| Recurring | Level 1 | Non-agency residential |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 1 | Commercial |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Recurring | Level 1 | Non-U.S. securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
1,998
|
1,934
|
|
| Other debt securities carried at fair value |
11,305
|
15,109
|
|
| Recurring | Level 1 | Other taxable securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 1 | Tax-exempt securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Recurring | Level 2 |
|
|
|
| Financial assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
50,758
|
49,750
|
|
| Trading account assets |
98,333
|
80,925
|
|
| Gross derivative assets |
499,252
|
619,848
|
|
| Total available-for-sale debt securities |
246,635
|
243,854
|
|
| Other debt securities carried at fair value |
4,615
|
4,586
|
|
| Loans and leases |
6,658
|
6,365
|
|
| Mortgage servicing rights |
0
|
0
|
|
| Loans held-for-sale |
1,941
|
3,370
|
|
| Customer and other receivables |
250
|
|
|
| Debt securities in assets of business held for sale |
|
0
|
|
| Other assets |
1,128
|
1,739
|
|
| Total assets |
909,570
|
1,010,437
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
456
|
731
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
31,997
|
35,407
|
|
| Total trading account liabilities |
17,128
|
11,694
|
|
| Gross derivative liabilities |
501,925
|
615,896
|
|
| Short-term borrowings |
1,572
|
2,024
|
|
| Accrued expenses and other liabilities |
1,301
|
1,643
|
|
| Long-term debt |
27,427
|
28,523
|
|
| Total liabilities |
581,806
|
695,918
|
|
| Recurring | Level 2 | U.S. Treasury and agency securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
776
|
1,927
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
407
|
197
|
|
| Recurring | Level 2 | Corporate securities, trading loans and other |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
28,313
|
22,861
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
9,373
|
6,380
|
|
| Recurring | Level 2 | Equity securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
27,568
|
21,601
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
4,045
|
3,014
|
|
| Recurring | Level 2 | Non-U.S. sovereign debt |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
13,927
|
9,940
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
3,303
|
2,103
|
|
| Recurring | Level 2 | U.S. government-sponsored agency guaranteed |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
19,530
|
15,799
|
|
| Recurring | Level 2 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
8,219
|
8,797
|
|
| Recurring | Level 2 | U.S. government and agency securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
1,630
|
1,465
|
|
| Recurring | Level 2 | Agency |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
192,174
|
189,486
|
|
| Other debt securities carried at fair value |
|
5
|
|
| Recurring | Level 2 | Agency-collateralized mortgage obligations |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
7,484
|
8,330
|
|
| Other debt securities carried at fair value |
5
|
|
|
| Recurring | Level 2 | Non-agency residential |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
1,914
|
2,013
|
|
| Other debt securities carried at fair value |
3,014
|
3,114
|
|
| Recurring | Level 2 | Commercial |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
12,441
|
12,322
|
|
| Recurring | Level 2 | Non-U.S. securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
4,465
|
3,600
|
|
| Other debt securities carried at fair value |
1,360
|
1,227
|
|
| Recurring | Level 2 | Other taxable securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
8,568
|
10,020
|
|
| Other debt securities carried at fair value |
236
|
240
|
|
| Recurring | Level 2 | Tax-exempt securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
17,959
|
16,618
|
|
| Recurring | Level 3 |
|
|
|
| Financial assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
3,744
|
4,779
|
|
| Gross derivative assets |
3,970
|
3,931
|
$ 5,200
|
| Total available-for-sale debt securities |
1,140
|
1,365
|
|
| Other debt securities carried at fair value |
23
|
25
|
|
| Loans and leases |
667
|
720
|
|
| Mortgage servicing rights |
2,501
|
2,747
|
|
| Loans held-for-sale |
766
|
656
|
|
| Debt securities in assets of business held for sale |
|
0
|
|
| Other assets |
294
|
239
|
|
| Total assets |
13,105
|
14,462
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
0
|
0
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
135
|
359
|
|
| Total trading account liabilities |
22
|
27
|
|
| Gross derivative liabilities |
5,773
|
5,244
|
$ 5,800
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
9
|
9
|
|
| Long-term debt |
1,646
|
1,514
|
|
| Total liabilities |
7,585
|
7,153
|
|
| Recurring | Level 3 | U.S. Treasury and agency securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
0
|
0
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | Corporate securities, trading loans and other |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
1,777
|
2,777
|
|
| Total assets |
1,800
|
2,800
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
22
|
27
|
|
| Recurring | Level 3 | Equity securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
229
|
281
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
506
|
510
|
|
| Total assets |
506
|
510
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | U.S. government-sponsored agency guaranteed |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
0
|
0
|
|
| Recurring | Level 3 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
1,232
|
1,211
|
|
| Total assets |
1,200
|
1,200
|
|
| Recurring | Level 3 | U.S. government and agency securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Recurring | Level 3 | Agency |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Other debt securities carried at fair value |
|
0
|
|
| Recurring | Level 3 | Agency-collateralized mortgage obligations |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Other debt securities carried at fair value |
0
|
|
|
| Recurring | Level 3 | Non-agency residential |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
|
0
|
|
| Other debt securities carried at fair value |
23
|
25
|
|
| Recurring | Level 3 | Commercial |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
0
|
0
|
|
| Recurring | Level 3 | Non-U.S. securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
139
|
229
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 3 | Other taxable securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
483
|
594
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Total assets |
483
|
594
|
|
| Recurring | Level 3 | Tax-exempt securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
518
|
542
|
|
| Total assets |
$ 518
|
$ 542
|
|