Outstanding Loans and Leases and Allowance for Credit Losses - Past Due (Details) - USD ($) $ in Millions |
Sep. 30, 2020 |
Dec. 31, 2019 |
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 955,172
|
$ 983,426
|
Percentage of outstandings, total outstanding |
100.00%
|
100.00%
|
Loans and leases, measured at fair value |
$ 7,234
|
$ 8,335
|
Loans and leases, pledged as collateral |
15,900
|
25,900
|
Loans pledged to secure borrowings |
158,400
|
168,200
|
Estimate of Fair Value Measurement |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 7,234
|
$ 8,335
|
Percentage of outstandings, total outstanding |
0.76%
|
0.85%
|
Direct/indirect consumer | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Nonperforming loans |
$ 38
|
$ 45
|
Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
439,793
|
465,769
|
Consumer Portfolio Segment | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
439,136
|
465,175
|
Consumer Portfolio Segment | Estimate of Fair Value Measurement |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
657
|
594
|
Consumer Portfolio Segment | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases, measured at fair value |
314
|
257
|
Consumer Portfolio Segment | Home equity lines of credit |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases, measured at fair value |
343
|
337
|
Consumer real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
36,530
|
|
Consumer real estate | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Nonperforming loans |
793
|
856
|
Consumer real estate | Core Portfolio Residential Mortgage | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
223,895
|
225,770
|
Consumer real estate | Core Portfolio Home Equity | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
32,338
|
35,226
|
Consumer real estate | Non-core Residential Mortgage | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
8,823
|
10,399
|
Consumer real estate | Non-core Home Equity | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
4,192
|
4,982
|
Consumer real estate | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
232,718
|
|
Credit card and other consumer | Credit Card | Carrying Value | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
79,834
|
97,608
|
Credit card and other consumer | Direct/indirect consumer | Dealer Financial Services Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
47,100
|
50,400
|
Credit card and other consumer | Direct/indirect consumer | Securities Based Lending Loans | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
39,000
|
36,700
|
Credit card and other consumer | Direct/indirect consumer | Securities Based Lending Loans | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
2,900
|
2,800
|
Credit card and other consumer | Direct/indirect consumer | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
89,914
|
90,998
|
Credit card and other consumer | Other consumer | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
140
|
192
|
Commercial portfolio |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
515,379
|
517,657
|
Commercial portfolio | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
293,934
|
|
Loans and leases, measured at fair value |
3,400
|
4,700
|
Commercial portfolio | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
96,151
|
|
Loans and leases, measured at fair value |
3,200
|
3,100
|
Commercial portfolio | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
508,802
|
509,916
|
Commercial portfolio | Carrying Value | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
293,934
|
307,048
|
Commercial portfolio | Carrying Value | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
96,151
|
104,966
|
Commercial portfolio | Estimate of Fair Value Measurement |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
6,577
|
7,741
|
Commercial portfolio | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
62,454
|
|
Commercial portfolio | Commercial real estate | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
58,700
|
59,000
|
Commercial portfolio | Commercial real estate | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
3,700
|
3,700
|
Commercial portfolio | Commercial real estate | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
62,454
|
62,689
|
Commercial portfolio | Commercial lease financing | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
17,413
|
19,880
|
Commercial portfolio | U.S. small business commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
32,126
|
|
Commercial portfolio | U.S. small business commercial | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
38,850
|
15,333
|
30 to 59 Days Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 3,181
|
$ 4,052
|
Percentage of outstandings |
0.33%
|
0.41%
|
30 to 59 Days Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 2,405
|
$ 2,866
|
30 to 59 Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Non-performing troubled debt with no change in repayment terms at time of discharge, past due |
258
|
517
|
30 to 59 Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Non-performing troubled debt with no change in repayment terms at time of discharge, past due |
132
|
139
|
30 to 59 Days Past Due | Consumer real estate | Core Portfolio Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
1,244
|
1,378
|
30 to 59 Days Past Due | Consumer real estate | Core Portfolio Home Equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
129
|
135
|
30 to 59 Days Past Due | Consumer real estate | Non-core Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
308
|
458
|
30 to 59 Days Past Due | Consumer real estate | Non-core Home Equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
29
|
34
|
30 to 59 Days Past Due | Credit card and other consumer | Credit Card | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
486
|
564
|
30 to 59 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
209
|
297
|
30 to 59 Days Past Due | Credit card and other consumer | Other consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
0
|
0
|
30 to 59 Days Past Due | Commercial portfolio |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
776
|
1,186
|
30 to 59 Days Past Due | Commercial portfolio | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
500
|
788
|
30 to 59 Days Past Due | Commercial portfolio | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
80
|
35
|
30 to 59 Days Past Due | Commercial portfolio | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
58
|
144
|
30 to 59 Days Past Due | Commercial portfolio | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
67
|
100
|
30 to 59 Days Past Due | Commercial portfolio | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
71
|
119
|
60 to 89 Days Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 1,180
|
$ 1,503
|
Percentage of outstandings |
0.12%
|
0.15%
|
60 to 89 Days Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 799
|
$ 1,070
|
60 to 89 Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Non-performing troubled debt with no change in repayment terms at time of discharge, past due |
118
|
206
|
60 to 89 Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Non-performing troubled debt with no change in repayment terms at time of discharge, past due |
96
|
114
|
60 to 89 Days Past Due | Consumer real estate | Core Portfolio Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
280
|
261
|
60 to 89 Days Past Due | Consumer real estate | Core Portfolio Home Equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
77
|
70
|
60 to 89 Days Past Due | Consumer real estate | Non-core Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
126
|
209
|
60 to 89 Days Past Due | Consumer real estate | Non-core Home Equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
20
|
16
|
60 to 89 Days Past Due | Credit card and other consumer | Credit Card | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
238
|
429
|
60 to 89 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
58
|
85
|
60 to 89 Days Past Due | Credit card and other consumer | Other consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
0
|
0
|
60 to 89 Days Past Due | Commercial portfolio |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
381
|
433
|
60 to 89 Days Past Due | Commercial portfolio | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
213
|
279
|
60 to 89 Days Past Due | Commercial portfolio | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
22
|
23
|
60 to 89 Days Past Due | Commercial portfolio | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
3
|
19
|
60 to 89 Days Past Due | Commercial portfolio | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
92
|
56
|
60 to 89 Days Past Due | Commercial portfolio | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
51
|
56
|
90 Days or More Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 3,624
|
$ 3,819
|
Percentage of outstandings |
0.38%
|
0.39%
|
90 Days or More Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 2,707
|
$ 3,175
|
90 Days or More Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Non-performing troubled debt with no change in repayment terms at time of discharge, past due |
1,000
|
1,100
|
90 Days or More Past Due | Consumer real estate | Core Portfolio Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
829
|
565
|
90 Days or More Past Due | Consumer real estate | Core Portfolio Home Equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
261
|
198
|
90 Days or More Past Due | Consumer real estate | Non-core Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
964
|
1,263
|
90 Days or More Past Due | Consumer real estate | Non-core Home Equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
76
|
72
|
90 Days or More Past Due | Credit card and other consumer | Credit Card | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
546
|
1,042
|
90 Days or More Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
31
|
35
|
90 Days or More Past Due | Credit card and other consumer | Other consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
0
|
0
|
90 Days or More Past Due | Commercial portfolio |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
917
|
644
|
90 Days or More Past Due | Commercial portfolio | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
558
|
371
|
90 Days or More Past Due | Commercial portfolio | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
28
|
8
|
90 Days or More Past Due | Commercial portfolio | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
206
|
119
|
90 Days or More Past Due | Commercial portfolio | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
42
|
39
|
90 Days or More Past Due | Commercial portfolio | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
83
|
107
|
Total Past Due 30 Days or More |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 7,985
|
$ 9,374
|
Percentage of outstandings |
0.83%
|
0.95%
|
Total Past Due 30 Days or More | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 5,911
|
$ 7,111
|
Total Past Due 30 Days or More | Consumer real estate | Core Portfolio Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
2,353
|
2,204
|
Total Past Due 30 Days or More | Consumer real estate | Core Portfolio Home Equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
467
|
403
|
Total Past Due 30 Days or More | Consumer real estate | Non-core Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
1,398
|
1,930
|
Total Past Due 30 Days or More | Consumer real estate | Non-core Home Equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
125
|
122
|
Total Past Due 30 Days or More | Credit card and other consumer | Credit Card | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
1,270
|
2,035
|
Total Past Due 30 Days or More | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
298
|
417
|
Total Past Due 30 Days or More | Credit card and other consumer | Other consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
0
|
0
|
Total Past Due 30 Days or More | Commercial portfolio |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
2,074
|
2,263
|
Total Past Due 30 Days or More | Commercial portfolio | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
1,271
|
1,438
|
Total Past Due 30 Days or More | Commercial portfolio | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
130
|
66
|
Total Past Due 30 Days or More | Commercial portfolio | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
267
|
282
|
Total Past Due 30 Days or More | Commercial portfolio | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
201
|
195
|
Total Past Due 30 Days or More | Commercial portfolio | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
205
|
282
|
Total Current or Less Than 30 Days Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 939,953
|
$ 965,717
|
Percentage of outstandings, total outstanding |
98.41%
|
98.20%
|
Total Current or Less Than 30 Days Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 433,225
|
$ 458,064
|
Total Current or Less Than 30 Days Past Due | Consumer real estate | Core Portfolio Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
221,542
|
223,566
|
Total Current or Less Than 30 Days Past Due | Consumer real estate | Core Portfolio Home Equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
31,871
|
34,823
|
Total Current or Less Than 30 Days Past Due | Consumer real estate | Non-core Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
7,425
|
8,469
|
Total Current or Less Than 30 Days Past Due | Consumer real estate | Non-core Home Equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
4,067
|
4,860
|
Total Current or Less Than 30 Days Past Due | Credit card and other consumer | Credit Card | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
78,564
|
95,573
|
Total Current or Less Than 30 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
89,616
|
90,581
|
Total Current or Less Than 30 Days Past Due | Credit card and other consumer | Other consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
140
|
192
|
Total Current or Less Than 30 Days Past Due | Commercial portfolio |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
506,728
|
507,653
|
Total Current or Less Than 30 Days Past Due | Commercial portfolio | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
292,663
|
305,610
|
Total Current or Less Than 30 Days Past Due | Commercial portfolio | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
96,021
|
104,900
|
Total Current or Less Than 30 Days Past Due | Commercial portfolio | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
62,187
|
62,407
|
Total Current or Less Than 30 Days Past Due | Commercial portfolio | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
17,212
|
19,685
|
Total Current or Less Than 30 Days Past Due | Commercial portfolio | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 38,645
|
$ 15,051
|