Business Segment Information - Noninterest Income by Business Segment and All Other (Details) - USD ($)
$ in Millions |
3 Months Ended |
9 Months Ended |
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
$ 1,470
|
$ 1,429
|
$ 4,469
|
$ 4,347
|
| Service charges |
1,961
|
1,968
|
5,836
|
5,863
|
| Investment and brokerage services |
3,494
|
3,437
|
10,616
|
10,314
|
| Investment banking income |
1,204
|
1,477
|
3,979
|
4,593
|
| Trading account profits |
1,893
|
1,837
|
6,907
|
6,124
|
| Other income |
885
|
530
|
1,576
|
2,470
|
| Total noninterest income |
10,907
|
10,678
|
33,383
|
33,711
|
| Interchange fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
978
|
941
|
3,018
|
2,883
|
| Other card income |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
492
|
488
|
1,451
|
1,464
|
| Deposit-related fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Service charges |
1,682
|
1,691
|
5,009
|
5,040
|
| Lending-related fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Service charges |
279
|
277
|
827
|
823
|
| Asset management fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment and brokerage services |
2,576
|
2,367
|
7,652
|
6,855
|
| Brokerage fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment and brokerage services |
918
|
1,070
|
2,964
|
3,459
|
| Underwriting income |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
701
|
698
|
2,160
|
2,185
|
| Syndication fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
241
|
405
|
958
|
1,146
|
| Financial advisory services |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
262
|
374
|
861
|
1,262
|
| Operating Segments | Consumer Banking |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
1,281
|
1,243
|
3,902
|
3,716
|
| Service charges |
1,098
|
1,082
|
3,214
|
3,194
|
| Investment and brokerage services |
80
|
74
|
242
|
233
|
| Investment banking income |
0
|
0
|
0
|
0
|
| Trading account profits |
2
|
1
|
6
|
2
|
| Other income |
79
|
162
|
289
|
469
|
| Total noninterest income |
2,540
|
2,562
|
7,653
|
7,614
|
| Operating Segments | Consumer Banking | Interchange fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
802
|
768
|
2,488
|
2,352
|
| Operating Segments | Consumer Banking | Other card income |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
479
|
475
|
1,414
|
1,364
|
| Operating Segments | Consumer Banking | Deposit-related fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Service charges |
1,098
|
1,082
|
3,214
|
3,194
|
| Operating Segments | Consumer Banking | Lending-related fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Service charges |
0
|
0
|
0
|
0
|
| Operating Segments | Consumer Banking | Asset management fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment and brokerage services |
38
|
34
|
111
|
98
|
| Operating Segments | Consumer Banking | Brokerage fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment and brokerage services |
42
|
40
|
131
|
135
|
| Operating Segments | Consumer Banking | Underwriting income |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
0
|
0
|
0
|
0
|
| Operating Segments | Consumer Banking | Syndication fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
0
|
0
|
0
|
0
|
| Operating Segments | Consumer Banking | Financial advisory services |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
0
|
0
|
0
|
0
|
| Operating Segments | Global Wealth & Investment Management |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
33
|
40
|
92
|
110
|
| Service charges |
19
|
19
|
55
|
57
|
| Investment and brokerage services |
3,004
|
2,854
|
8,981
|
8,474
|
| Investment banking income |
88
|
100
|
244
|
247
|
| Trading account profits |
24
|
29
|
81
|
120
|
| Other income |
79
|
82
|
222
|
246
|
| Total noninterest income |
3,247
|
3,124
|
9,675
|
9,254
|
| Operating Segments | Global Wealth & Investment Management | Interchange fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
22
|
29
|
59
|
79
|
| Operating Segments | Global Wealth & Investment Management | Other card income |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
11
|
11
|
33
|
31
|
| Operating Segments | Global Wealth & Investment Management | Deposit-related fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Service charges |
19
|
19
|
55
|
57
|
| Operating Segments | Global Wealth & Investment Management | Lending-related fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Service charges |
0
|
0
|
0
|
0
|
| Operating Segments | Global Wealth & Investment Management | Asset management fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment and brokerage services |
2,538
|
2,333
|
7,541
|
6,757
|
| Operating Segments | Global Wealth & Investment Management | Brokerage fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment and brokerage services |
466
|
521
|
1,440
|
1,717
|
| Operating Segments | Global Wealth & Investment Management | Underwriting income |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
87
|
100
|
243
|
246
|
| Operating Segments | Global Wealth & Investment Management | Syndication fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
0
|
0
|
0
|
0
|
| Operating Segments | Global Wealth & Investment Management | Financial advisory services |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
1
|
0
|
1
|
1
|
| Operating Segments | Global Banking |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
132
|
124
|
405
|
383
|
| Service charges |
754
|
776
|
2,285
|
2,351
|
| Investment and brokerage services |
28
|
18
|
71
|
72
|
| Investment banking income |
643
|
806
|
2,130
|
2,661
|
| Trading account profits |
59
|
(5)
|
184
|
82
|
| Other income |
416
|
626
|
1,462
|
1,645
|
| Total noninterest income |
2,032
|
2,345
|
6,537
|
7,194
|
| Operating Segments | Global Banking | Interchange fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
130
|
122
|
400
|
375
|
| Operating Segments | Global Banking | Other card income |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
2
|
2
|
5
|
8
|
| Operating Segments | Global Banking | Deposit-related fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Service charges |
520
|
546
|
1,598
|
1,662
|
| Operating Segments | Global Banking | Lending-related fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Service charges |
234
|
230
|
687
|
689
|
| Operating Segments | Global Banking | Asset management fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment and brokerage services |
0
|
0
|
0
|
0
|
| Operating Segments | Global Banking | Brokerage fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment and brokerage services |
28
|
18
|
71
|
72
|
| Operating Segments | Global Banking | Underwriting income |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
189
|
105
|
458
|
404
|
| Operating Segments | Global Banking | Syndication fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
217
|
380
|
890
|
1,080
|
| Operating Segments | Global Banking | Financial advisory services |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
237
|
321
|
782
|
1,177
|
| Operating Segments | Global Markets |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
23
|
22
|
70
|
67
|
| Service charges |
86
|
85
|
266
|
245
|
| Investment and brokerage services |
388
|
496
|
1,306
|
1,548
|
| Investment banking income |
523
|
624
|
1,783
|
1,879
|
| Trading account profits |
1,727
|
1,714
|
6,614
|
5,634
|
| Other income |
342
|
61
|
386
|
370
|
| Total noninterest income |
3,089
|
3,002
|
10,425
|
9,743
|
| Operating Segments | Global Markets | Interchange fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
24
|
22
|
71
|
68
|
| Operating Segments | Global Markets | Other card income |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
(1)
|
0
|
(1)
|
(1)
|
| Operating Segments | Global Markets | Deposit-related fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Service charges |
41
|
38
|
126
|
111
|
| Operating Segments | Global Markets | Lending-related fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Service charges |
45
|
47
|
140
|
134
|
| Operating Segments | Global Markets | Asset management fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment and brokerage services |
0
|
0
|
0
|
0
|
| Operating Segments | Global Markets | Brokerage fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment and brokerage services |
388
|
496
|
1,306
|
1,548
|
| Operating Segments | Global Markets | Underwriting income |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
474
|
545
|
1,637
|
1,729
|
| Operating Segments | Global Markets | Syndication fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
25
|
26
|
68
|
66
|
| Operating Segments | Global Markets | Financial advisory services |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
24
|
53
|
78
|
84
|
| All Other |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
1
|
0
|
0
|
71
|
| Service charges |
4
|
6
|
16
|
16
|
| Investment and brokerage services |
(6)
|
(5)
|
16
|
(13)
|
| Investment banking income |
(50)
|
(53)
|
(178)
|
(194)
|
| Trading account profits |
81
|
98
|
22
|
286
|
| Other income |
(31)
|
(401)
|
(783)
|
(260)
|
| Total noninterest income |
(1)
|
(355)
|
(907)
|
(94)
|
| All Other | Interchange fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
0
|
0
|
0
|
9
|
| All Other | Other card income |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Card income |
1
|
0
|
0
|
62
|
| All Other | Deposit-related fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Service charges |
4
|
6
|
16
|
16
|
| All Other | Lending-related fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Service charges |
0
|
0
|
0
|
0
|
| All Other | Asset management fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment and brokerage services |
0
|
0
|
0
|
0
|
| All Other | Brokerage fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment and brokerage services |
(6)
|
(5)
|
16
|
(13)
|
| All Other | Underwriting income |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
(49)
|
(52)
|
(178)
|
(194)
|
| All Other | Syndication fees |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
(1)
|
(1)
|
0
|
0
|
| All Other | Financial advisory services |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Investment banking income |
$ 0
|
$ 0
|
$ 0
|
$ 0
|