Fair Value Measurements - Recurring Fair Value (Details) - USD ($) $ in Millions |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Financial assets |
|
|
|
|
|
|
Federal funds sold and securities borrowed or purchased under agreements to resell |
$ 53,008
|
|
$ 55,143
|
|
|
|
Trading account assets |
175,365
|
|
176,527
|
|
|
|
Gross derivative assets |
901,200
|
|
688,600
|
|
|
|
Derivative assets |
55,264
|
|
49,990
|
|
|
|
Total AFS debt securities |
289,285
|
|
305,773
|
|
|
|
Other debt securities carried at fair value |
20,385
|
|
16,607
|
|
|
|
Loans and leases, measured at fair value |
8,660
|
|
6,938
|
|
|
|
Mortgage servicing rights |
2,269
|
$ 2,631
|
3,087
|
$ 3,521
|
$ 3,394
|
$ 3,530
|
Loans held-for-sale, measured at fair value |
5,112
|
|
4,818
|
|
|
|
Other assets |
13,885
|
|
14,320
|
|
|
|
Liabilities |
|
|
|
|
|
|
Interest-bearing deposits in U.S. offices |
1,019
|
|
1,116
|
|
|
|
Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
24,542
|
|
24,574
|
|
|
|
Gross derivative liabilities |
888,500
|
|
681,100
|
|
|
|
Derivative liabilities |
47,561
|
|
38,450
|
|
|
|
Short-term borrowings, measured at fair value |
1,860
|
|
1,325
|
|
|
|
Long-term debt |
31,449
|
|
30,097
|
|
|
|
Derivative Liabilities |
|
|
|
|
|
|
Assets and Liabilities, Recurring Basis, Supplemental Information: |
|
|
|
|
|
|
Liabilities transferred from Level 1 to Level 2 |
1,100
|
|
6,700
|
|
|
|
Liabilities transferred from Level 2 to Level 1 |
819
|
|
6,200
|
|
|
|
Derivative assets |
|
|
|
|
|
|
Assets and Liabilities, Recurring Basis, Supplemental Information: |
|
|
|
|
|
|
Assets transferred from Level 1 to Level 2 |
974
|
|
6,600
|
|
|
|
Assets transferred from Level 2 to Level 1 |
808
|
|
6,400
|
|
|
|
Other assets |
|
|
|
|
|
|
Assets and Liabilities, Recurring Basis, Supplemental Information: |
|
|
|
|
|
|
Assets transferred from Level 2 to Level 1 |
|
|
327
|
|
|
|
U.S. Treasury and agency securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
26,143
|
|
25,277
|
|
|
|
Agency |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
208,688
|
|
228,947
|
|
|
|
Agency-collateralized mortgage obligations |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
9,760
|
|
10,985
|
|
|
|
Non-agency residential |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
2,103
|
|
3,179
|
|
|
|
Commercial |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
11,397
|
|
7,165
|
|
|
|
Other taxable securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
9,774
|
|
10,445
|
|
|
|
Tax-exempt securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
15,362
|
|
14,008
|
|
|
|
US Government-sponsored Enterprises Debt Securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
18,300
|
|
14,800
|
|
|
|
Recurring |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Federal funds sold and securities borrowed or purchased under agreements to resell |
53,008
|
|
55,143
|
|
|
|
Trading account assets |
175,365
|
|
176,527
|
|
|
|
Netting adjustments |
(845,933)
|
|
(638,648)
|
|
|
|
Derivative assets |
55,264
|
|
49,990
|
|
|
|
Total AFS debt securities |
289,285
|
|
305,773
|
|
|
|
Other debt securities carried at fair value |
20,385
|
|
16,607
|
|
|
|
Loans and leases, measured at fair value |
8,660
|
|
6,938
|
|
|
|
Mortgage servicing rights |
2,269
|
|
3,087
|
|
|
|
Loans held-for-sale, measured at fair value |
5,112
|
|
4,818
|
|
|
|
Other assets |
13,885
|
|
14,320
|
|
|
|
Total assets |
623,233
|
|
633,203
|
|
|
|
Liabilities |
|
|
|
|
|
|
Interest-bearing deposits in U.S. offices |
1,019
|
|
1,116
|
|
|
|
Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
24,542
|
|
24,574
|
|
|
|
Total trading account liabilities |
74,282
|
|
66,963
|
|
|
|
Netting adjustment |
(840,895)
|
|
(642,666)
|
|
|
|
Derivative liabilities |
47,561
|
|
38,450
|
|
|
|
Short-term borrowings, measured at fair value |
1,860
|
|
1,325
|
|
|
|
Accrued expenses and other liabilities |
13,312
|
|
13,899
|
|
|
|
Long-term debt |
31,449
|
|
30,097
|
|
|
|
Total liabilities |
194,025
|
|
176,424
|
|
|
|
Recurring | Consolidated VIEs |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Loans and leases, measured at fair value |
691
|
|
|
|
|
|
Recurring | Securities Segregated for Compliance or Deposited with Clearing Organizations |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
15,600
|
|
16,400
|
|
|
|
Recurring | U.S. government and agency securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
55,011
|
|
48,535
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
15,440
|
|
14,972
|
|
|
|
Recurring | Corporate securities, trading loans and other |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
27,267
|
|
25,901
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
7,416
|
|
6,161
|
|
|
|
Recurring | Equity securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
49,827
|
|
63,029
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
34,949
|
|
30,290
|
|
|
|
Recurring | Non-U.S. sovereign debt |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
33,488
|
|
29,087
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
16,477
|
|
15,540
|
|
|
|
Recurring | Mortgage trading loans and ABS |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
9,772
|
|
9,975
|
|
|
|
Recurring | U.S. Treasury and agency securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
26,143
|
|
25,277
|
|
|
|
Recurring | Agency |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
208,688
|
|
228,947
|
|
|
|
Recurring | Agency-collateralized mortgage obligations |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
9,760
|
|
10,985
|
|
|
|
Other debt securities carried at fair value |
7
|
|
7
|
|
|
|
Recurring | Non-agency residential |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
2,103
|
|
3,179
|
|
|
|
Other debt securities carried at fair value |
3,244
|
|
3,490
|
|
|
|
Recurring | Commercial |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
11,397
|
|
7,165
|
|
|
|
Recurring | Non-U.S. securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
6,058
|
|
5,767
|
|
|
|
Other debt securities carried at fair value |
16,885
|
|
12,843
|
|
|
|
Recurring | Other taxable securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
9,774
|
|
10,445
|
|
|
|
Other debt securities carried at fair value |
249
|
|
267
|
|
|
|
Recurring | Tax-exempt securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
15,362
|
|
14,008
|
|
|
|
Recurring | Level 1 |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
|
0
|
|
|
|
Trading account assets |
82,887
|
|
90,745
|
|
|
|
Gross derivative assets |
7,781
|
|
5,149
|
|
|
|
Total AFS debt securities |
27,301
|
|
26,142
|
|
|
|
Other debt securities carried at fair value |
15,629
|
|
11,691
|
|
|
|
Loans and leases, measured at fair value |
0
|
|
0
|
|
|
|
Mortgage servicing rights |
0
|
|
0
|
|
|
|
Loans held-for-sale, measured at fair value |
0
|
|
0
|
|
|
|
Other assets |
11,676
|
|
11,923
|
|
|
|
Total assets |
145,274
|
|
145,650
|
|
|
|
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 |
61,654
|
|
56,483
|
|
|
|
Gross derivative liabilities |
7,776
|
|
4,941
|
|
|
|
Short-term borrowings, measured at fair value |
0
|
|
0
|
|
|
|
Accrued expenses and other liabilities |
11,299
|
|
11,656
|
|
|
|
Long-term debt |
0
|
|
0
|
|
|
|
Total liabilities |
80,729
|
|
73,080
|
|
|
|
Recurring | Level 1 | U.S. government and agency securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
36,534
|
|
33,034
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
15,304
|
|
14,803
|
|
|
|
Recurring | Level 1 | Corporate securities, trading loans and other |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
260
|
|
325
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
262
|
|
193
|
|
|
|
Recurring | Level 1 | Equity securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
29,210
|
|
41,735
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
31,603
|
|
27,898
|
|
|
|
Recurring | Level 1 | Non-U.S. sovereign debt |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
16,883
|
|
15,651
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
14,485
|
|
13,589
|
|
|
|
Recurring | Level 1 | Mortgage trading loans and ABS |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
0
|
|
0
|
|
|
|
Recurring | Level 1 | U.S. Treasury and agency securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
24,636
|
|
23,374
|
|
|
|
Recurring | Level 1 | Agency |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
0
|
|
0
|
|
|
|
Recurring | Level 1 | Agency-collateralized mortgage obligations |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
0
|
|
0
|
|
|
|
Other debt securities carried at fair value |
0
|
|
0
|
|
|
|
Recurring | Level 1 | Non-agency residential |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
0
|
|
0
|
|
|
|
Other debt securities carried at fair value |
0
|
|
0
|
|
|
|
Recurring | Level 1 | Commercial |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
0
|
|
0
|
|
|
|
Recurring | Level 1 | Non-U.S. securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
2,665
|
|
2,768
|
|
|
|
Other debt securities carried at fair value |
15,629
|
|
11,691
|
|
|
|
Recurring | Level 1 | Other taxable securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
0
|
|
0
|
|
|
|
Other debt securities carried at fair value |
0
|
|
0
|
|
|
|
Recurring | Level 1 | Tax-exempt securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
0
|
|
0
|
|
|
|
Recurring | Level 2 |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Federal funds sold and securities borrowed or purchased under agreements to resell |
53,008
|
|
55,143
|
|
|
|
Trading account assets |
87,453
|
|
80,148
|
|
|
|
Gross derivative assets |
888,247
|
|
678,355
|
|
|
|
Total AFS debt securities |
260,574
|
|
278,199
|
|
|
|
Other debt securities carried at fair value |
4,728
|
|
4,886
|
|
|
|
Loans and leases, measured at fair value |
7,201
|
|
5,318
|
|
|
|
Mortgage servicing rights |
0
|
|
0
|
|
|
|
Loans held-for-sale, measured at fair value |
4,422
|
|
4,031
|
|
|
|
Other assets |
1,861
|
|
2,023
|
|
|
|
Total assets |
1,307,494
|
|
1,108,103
|
|
|
|
Liabilities |
|
|
|
|
|
|
Interest-bearing deposits in U.S. offices |
1,019
|
|
1,116
|
|
|
|
Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
24,229
|
|
24,239
|
|
|
|
Total trading account liabilities |
12,602
|
|
10,459
|
|
|
|
Gross derivative liabilities |
874,863
|
|
670,600
|
|
|
|
Short-term borrowings, measured at fair value |
1,860
|
|
1,295
|
|
|
|
Accrued expenses and other liabilities |
2,004
|
|
2,234
|
|
|
|
Long-term debt |
29,293
|
|
28,584
|
|
|
|
Total liabilities |
945,870
|
|
738,527
|
|
|
|
Recurring | Level 2 | U.S. government and agency securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
18,477
|
|
15,501
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
136
|
|
169
|
|
|
|
Recurring | Level 2 | Corporate securities, trading loans and other |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
24,353
|
|
22,738
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
7,128
|
|
5,947
|
|
|
|
Recurring | Level 2 | Equity securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
20,162
|
|
20,887
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
3,346
|
|
2,392
|
|
|
|
Recurring | Level 2 | Non-U.S. sovereign debt |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
15,975
|
|
12,915
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
1,992
|
|
1,951
|
|
|
|
Recurring | Level 2 | Mortgage trading loans and ABS |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
8,486
|
|
8,107
|
|
|
|
Recurring | Level 2 | U.S. Treasury and agency securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
1,507
|
|
1,903
|
|
|
|
Recurring | Level 2 | Agency |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
208,688
|
|
228,947
|
|
|
|
Recurring | Level 2 | Agency-collateralized mortgage obligations |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
9,760
|
|
10,985
|
|
|
|
Other debt securities carried at fair value |
7
|
|
7
|
|
|
|
Recurring | Level 2 | Non-agency residential |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
1,969
|
|
3,073
|
|
|
|
Other debt securities carried at fair value |
3,216
|
|
3,460
|
|
|
|
Recurring | Level 2 | Commercial |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
11,397
|
|
7,165
|
|
|
|
Recurring | Level 2 | Non-U.S. securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
3,393
|
|
2,999
|
|
|
|
Other debt securities carried at fair value |
1,256
|
|
1,152
|
|
|
|
Recurring | Level 2 | Other taxable securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
9,057
|
|
9,688
|
|
|
|
Other debt securities carried at fair value |
249
|
|
267
|
|
|
|
Recurring | Level 2 | Tax-exempt securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
14,803
|
|
13,439
|
|
|
|
Recurring | Level 3 |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
|
0
|
|
|
|
Trading account assets |
5,025
|
|
5,634
|
|
|
|
Gross derivative assets |
5,169
|
|
5,134
|
6,500
|
|
|
Total AFS debt securities |
1,410
|
|
1,432
|
|
|
|
Other debt securities carried at fair value |
28
|
|
30
|
|
|
|
Loans and leases, measured at fair value |
1,459
|
|
1,620
|
|
|
|
Mortgage servicing rights |
2,269
|
|
3,087
|
|
|
|
Loans held-for-sale, measured at fair value |
690
|
|
787
|
|
|
|
Other assets |
348
|
|
374
|
|
|
|
Total assets |
16,398
|
|
18,098
|
|
|
|
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 |
313
|
|
335
|
|
|
|
Total trading account liabilities |
26
|
|
21
|
|
|
|
Gross derivative liabilities |
5,817
|
|
5,575
|
$ 6,800
|
|
|
Short-term borrowings, measured at fair value |
0
|
|
30
|
|
|
|
Accrued expenses and other liabilities |
9
|
|
9
|
|
|
|
Long-term debt |
2,156
|
|
1,513
|
|
|
|
Total liabilities |
8,321
|
|
7,483
|
|
|
|
Recurring | Level 3 | U.S. government 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 |
2,654
|
|
2,838
|
|
|
|
Total assets |
2,700
|
|
2,800
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
26
|
|
21
|
|
|
|
Recurring | Level 3 | Equity securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
455
|
|
407
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
0
|
|
0
|
|
|
|
Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
630
|
|
521
|
|
|
|
Total assets |
630
|
|
521
|
|
|
|
Liabilities |
|
|
|
|
|
|
Total trading account liabilities |
0
|
|
0
|
|
|
|
Recurring | Level 3 | Mortgage trading loans and ABS |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Trading account assets |
1,286
|
|
1,868
|
|
|
|
Total assets |
1,300
|
|
1,900
|
|
|
|
Recurring | Level 3 | U.S. Treasury and agency securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
0
|
|
0
|
|
|
|
Recurring | Level 3 | Agency |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
0
|
|
0
|
|
|
|
Recurring | Level 3 | Agency-collateralized mortgage obligations |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
0
|
|
0
|
|
|
|
Other debt securities carried at fair value |
0
|
|
0
|
|
|
|
Recurring | Level 3 | Non-agency residential |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
134
|
|
106
|
|
|
|
Other debt securities carried at fair value |
28
|
|
30
|
|
|
|
Recurring | Level 3 | Commercial |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
0
|
|
0
|
|
|
|
Recurring | Level 3 | Non-U.S. securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
0
|
|
0
|
|
|
|
Other debt securities carried at fair value |
0
|
|
0
|
|
|
|
Recurring | Level 3 | Other taxable securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
717
|
|
757
|
|
|
|
Other debt securities carried at fair value |
0
|
|
0
|
|
|
|
Total assets |
717
|
|
757
|
|
|
|
Recurring | Level 3 | Tax-exempt securities |
|
|
|
|
|
|
Financial assets |
|
|
|
|
|
|
Total AFS debt securities |
559
|
|
569
|
|
|
|
Total assets |
$ 559
|
|
$ 569
|
|
|
|