Fair Value Measurements - Recurring Fair Value (Details) $ in Millions |
12 Months Ended |
|
|
|
Dec. 31, 2017
USD ($)
counterparty
|
Dec. 31, 2016
USD ($)
|
Dec. 31, 2015
USD ($)
|
| Financial assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
$ 52,906
|
$ 49,750
|
|
| Trading account assets |
209,358
|
180,209
|
|
| Gross Derivative Assets |
351,600
|
631,100
|
|
| Derivative assets |
37,762
|
42,512
|
|
| Total available-for-sale debt securities |
302,631
|
|
|
| Other debt securities carried at fair value |
12,486
|
19,720
|
|
| Loans and leases |
5,710
|
7,085
|
|
| Loans held-for-sale |
2,156
|
4,026
|
|
| Debt securities in assets of business held for sale |
|
619
|
|
| Other assets |
20,279
|
13,802
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
449
|
731
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
36,182
|
35,766
|
|
| Gross Derivative Liabilities |
346,000
|
628,300
|
|
| Derivative liabilities |
34,300
|
39,480
|
|
| Short-term borrowings |
1,494
|
2,024
|
|
| Long-term debt |
$ 31,786
|
30,037
|
|
| Assets and Liabilities, Recurring Basis, Supplemental Information: |
|
|
|
| Number of central clearing counterparties to re-characterize daily cash variation margin | counterparty |
2
|
|
|
| Operating Segments | Consumer Banking |
|
|
|
| Financial assets |
|
|
|
| Mortgage servicing rights |
$ 1,700
|
2,100
|
|
| Operating Segments | Global Markets |
|
|
|
| Financial assets |
|
|
|
| Mortgage servicing rights |
510
|
469
|
|
| All Other |
|
|
|
| Financial assets |
|
|
|
| Mortgage servicing rights |
135
|
212
|
|
| Derivative liabilities |
|
|
|
| Assets and Liabilities, Recurring Basis, Supplemental Information: |
|
|
|
| Liabilities transferred from Level 1 to Level 2 |
3,000
|
2,400
|
|
| Liabilities transferred from Level 2 to Level 1 |
608
|
1,800
|
|
| Derivative assets |
|
|
|
| Assets and Liabilities, Recurring Basis, Supplemental Information: |
|
|
|
| Assets transferred from Level 1 to Level 2 |
4,200
|
2,300
|
|
| Assets transferred from Level 2 to Level 1 |
758
|
2,000
|
|
| U.S. Treasury and agency securities | Trading Securities |
|
|
|
| Assets and Liabilities, Recurring Basis, Supplemental Information: |
|
|
|
| Assets transferred from Level 1 to Level 2 |
1,100
|
|
|
| Equity securities | Trading Securities |
|
|
|
| Assets and Liabilities, Recurring Basis, Supplemental Information: |
|
|
|
| Liabilities transferred from Level 1 to Level 2 |
3,100
|
|
|
| Liabilities transferred from Level 2 to Level 1 |
4,300
|
|
|
| Equity securities | Trading Securities |
|
|
|
| Assets and Liabilities, Recurring Basis, Supplemental Information: |
|
|
|
| Assets transferred from Level 1 to Level 2 |
5,300
|
|
|
| Assets transferred from Level 2 to Level 1 |
14,100
|
|
|
| Non-U.S. sovereign debt | Trading Securities |
|
|
|
| Assets and Liabilities, Recurring Basis, Supplemental Information: |
|
|
|
| Liabilities transferred from Level 1 to Level 2 |
1,500
|
|
|
| Non-U.S. sovereign debt | Trading Securities |
|
|
|
| Assets and Liabilities, Recurring Basis, Supplemental Information: |
|
|
|
| Assets transferred from Level 1 to Level 2 |
3,300
|
|
|
| U.S. government and agency securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
53,523
|
48,252
|
|
| Agency |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
192,929
|
189,486
|
|
| Agency-collateralized mortgage obligations |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
6,804
|
8,330
|
|
| Other debt securities carried at fair value |
5
|
5
|
|
| Non-agency residential |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
2,669
|
2,013
|
|
| Other debt securities carried at fair value |
2,764
|
3,139
|
|
| Commercial |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
13,684
|
12,322
|
|
| Other taxable securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
5,770
|
10,614
|
|
| Other debt securities carried at fair value |
229
|
240
|
|
| Tax-exempt securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
20,575
|
17,160
|
|
| Recurring |
|
|
|
| Financial assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
52,906
|
49,750
|
|
| Trading account assets |
209,358
|
180,209
|
|
| Netting adjustments |
(313,788)
|
(588,604)
|
|
| Derivative assets |
37,762
|
42,512
|
|
| Total available-for-sale debt securities |
302,631
|
293,940
|
|
| Other debt securities carried at fair value |
12,486
|
19,720
|
|
| Loans and leases |
5,710
|
7,085
|
|
| Mortgage servicing rights |
2,302
|
2,747
|
|
| Loans held-for-sale |
2,156
|
4,026
|
|
| Debt securities in assets of business held for sale |
|
619
|
|
| Other assets |
20,279
|
13,802
|
|
| Total assets |
645,590
|
614,410
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
449
|
731
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
36,182
|
35,766
|
|
| Total trading account liabilities |
81,187
|
63,031
|
|
| Netting adjustment |
(311,771)
|
(588,833)
|
|
| Derivative liabilities |
34,300
|
39,480
|
|
| Short-term borrowings |
1,494
|
2,024
|
|
| Accrued expenses and other liabilities |
22,840
|
14,630
|
|
| Long-term debt |
31,786
|
30,037
|
|
| Total liabilities |
208,238
|
185,699
|
|
| Recurring | Securities Segregated for Compliance or Deposited with Clearing Organizations |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
16,800
|
14,600
|
|
| Recurring | U.S. Treasury and agency securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
40,642
|
36,514
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
18,000
|
16,051
|
|
| Recurring | Corporate securities, trading loans and other |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
30,578
|
25,809
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
6,925
|
6,570
|
|
| Recurring | Equity securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
84,940
|
72,051
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
36,904
|
28,898
|
|
| Recurring | Non-U.S. sovereign debt |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
22,940
|
20,028
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
19,358
|
11,512
|
|
| Recurring | U.S. government-sponsored agency guaranteed |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
20,586
|
15,799
|
|
| Recurring | Mortgage trading loans, ABS and other MBS |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
9,672
|
10,008
|
|
| Recurring | U.S. government and agency securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
53,523
|
48,252
|
|
| Recurring | Agency |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
192,929
|
189,486
|
|
| Other debt securities carried at fair value |
|
5
|
|
| Recurring | Agency-collateralized mortgage obligations |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
6,804
|
8,330
|
|
| Other debt securities carried at fair value |
5
|
|
|
| Recurring | Non-agency residential |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
2,669
|
2,013
|
|
| Other debt securities carried at fair value |
2,764
|
3,139
|
|
| Recurring | Commercial |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
13,684
|
12,322
|
|
| Recurring | Non-U.S. securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
6,677
|
5,763
|
|
| Other debt securities carried at fair value |
9,488
|
16,336
|
|
| Recurring | Other taxable securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
5,770
|
10,614
|
|
| Other debt securities carried at fair value |
229
|
240
|
|
| Recurring | Tax-exempt securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
20,575
|
17,160
|
|
| Recurring | US Government-sponsored enterprises debt securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
21,300
|
17,500
|
|
| Recurring | Level 1 |
|
|
|
| Financial assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
106,012
|
94,505
|
|
| Gross Derivative Assets |
6,305
|
7,337
|
|
| Total available-for-sale debt securities |
52,687
|
48,721
|
|
| Other debt securities carried at fair value |
8,191
|
15,109
|
|
| Loans and leases |
0
|
0
|
|
| Mortgage servicing rights |
0
|
0
|
|
| Loans held-for-sale |
0
|
0
|
|
| Debt securities in assets of business held for sale |
|
619
|
|
| Other assets |
19,367
|
11,824
|
|
| Total assets |
192,562
|
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 |
62,261
|
51,310
|
|
| Gross Derivative Liabilities |
6,029
|
7,173
|
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
21,887
|
12,978
|
|
| Long-term debt |
0
|
0
|
|
| Total liabilities |
90,177
|
71,461
|
|
| Recurring | Level 1 | U.S. Treasury and agency securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
38,720
|
34,587
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
17,266
|
15,854
|
|
| Recurring | Level 1 | Corporate securities, trading loans and other |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
0
|
171
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
163
|
|
| Recurring | Level 1 | Equity securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
60,747
|
50,169
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
33,019
|
25,884
|
|
| Recurring | Level 1 | Non-U.S. sovereign debt |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
6,545
|
9,578
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
11,976
|
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 |
51,915
|
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 |
772
|
1,934
|
|
| Other debt securities carried at fair value |
8,191
|
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 |
52,906
|
49,750
|
|
| Trading account assets |
99,193
|
80,925
|
|
| Gross Derivative Assets |
341,178
|
619,848
|
|
| Total available-for-sale debt securities |
248,941
|
243,854
|
|
| Other debt securities carried at fair value |
4,295
|
4,586
|
|
| Loans and leases |
5,139
|
6,365
|
|
| Mortgage servicing rights |
0
|
0
|
|
| Loans held-for-sale |
1,466
|
3,370
|
|
| Debt securities in assets of business held for sale |
|
0
|
|
| Other assets |
789
|
1,739
|
|
| Total assets |
753,907
|
1,010,437
|
|
| Liabilities |
|
|
|
| Interest-bearing deposits in U.S. offices |
449
|
731
|
|
| Federal funds purchased and securities loaned or sold under agreements to repurchase, measured at fair value |
36,182
|
35,407
|
|
| Total trading account liabilities |
18,902
|
11,694
|
|
| Gross Derivative Liabilities |
334,261
|
615,896
|
|
| Short-term borrowings |
1,494
|
2,024
|
|
| Accrued expenses and other liabilities |
945
|
1,643
|
|
| Long-term debt |
29,923
|
28,523
|
|
| Total liabilities |
422,156
|
695,918
|
|
| Recurring | Level 2 | U.S. Treasury and agency securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
1,922
|
1,927
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
734
|
197
|
|
| Recurring | Level 2 | Corporate securities, trading loans and other |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
28,714
|
22,861
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
6,901
|
6,380
|
|
| Recurring | Level 2 | Equity securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
23,958
|
21,601
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
3,885
|
3,014
|
|
| Recurring | Level 2 | Non-U.S. sovereign debt |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
15,839
|
9,940
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
7,382
|
2,103
|
|
| Recurring | Level 2 | U.S. government-sponsored agency guaranteed |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
20,586
|
15,799
|
|
| Recurring | Level 2 | Mortgage trading loans, ABS and other MBS |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
8,174
|
8,797
|
|
| Recurring | Level 2 | U.S. government and agency securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
1,608
|
1,465
|
|
| Recurring | Level 2 | Agency |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
192,929
|
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 |
6,804
|
8,330
|
|
| Other debt securities carried at fair value |
5
|
|
|
| Recurring | Level 2 | Non-agency residential |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
2,669
|
2,013
|
|
| Other debt securities carried at fair value |
2,764
|
3,114
|
|
| Recurring | Level 2 | Commercial |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
13,684
|
12,322
|
|
| Recurring | Level 2 | Non-U.S. securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
5,880
|
3,600
|
|
| Other debt securities carried at fair value |
1,297
|
1,227
|
|
| Recurring | Level 2 | Other taxable securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
5,261
|
10,020
|
|
| Other debt securities carried at fair value |
229
|
240
|
|
| Recurring | Level 2 | Tax-exempt securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
20,106
|
16,618
|
|
| Recurring | Level 3 |
|
|
|
| Financial assets |
|
|
|
| Federal funds sold and securities borrowed or purchased under agreements to resell |
0
|
0
|
|
| Trading account assets |
4,153
|
4,779
|
|
| Gross Derivative Assets |
4,067
|
3,931
|
$ 5,100
|
| Total available-for-sale debt securities |
1,003
|
1,365
|
|
| Other debt securities carried at fair value |
0
|
25
|
|
| Loans and leases |
571
|
720
|
|
| Mortgage servicing rights |
2,302
|
2,747
|
|
| Loans held-for-sale |
690
|
656
|
|
| Debt securities in assets of business held for sale |
|
0
|
|
| Other assets |
123
|
239
|
|
| Total assets |
12,909
|
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 |
0
|
359
|
|
| Total trading account liabilities |
24
|
27
|
|
| Gross Derivative Liabilities |
5,781
|
5,244
|
$ 5,600
|
| Short-term borrowings |
0
|
0
|
|
| Accrued expenses and other liabilities |
8
|
9
|
|
| Long-term debt |
1,863
|
1,514
|
|
| Total liabilities |
7,676
|
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 |
1,864
|
2,777
|
|
| Total assets |
1,900
|
2,800
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
24
|
27
|
|
| Recurring | Level 3 | Equity securities |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
235
|
281
|
|
| Liabilities |
|
|
|
| Total trading account liabilities |
0
|
0
|
|
| Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
| Financial assets |
|
|
|
| Trading account assets |
556
|
510
|
|
| Total assets |
556
|
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 |
1,498
|
1,211
|
|
| Total assets |
1,500
|
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
|
0
|
|
| Other debt securities carried at fair value |
0
|
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 |
25
|
229
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Recurring | Level 3 | Other taxable securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
509
|
594
|
|
| Other debt securities carried at fair value |
0
|
0
|
|
| Total assets |
509
|
594
|
|
| Recurring | Level 3 | Tax-exempt securities |
|
|
|
| Financial assets |
|
|
|
| Total available-for-sale debt securities |
469
|
542
|
|
| Total assets |
$ 469
|
$ 542
|
|