Outstanding Loans and Leases and Allowance for Credit Losses - Past Due (Details) - USD ($)
$ in Millions |
Dec. 31, 2020 |
Dec. 31, 2019 |
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 927,861
|
$ 983,426
|
| Percentage of outstandings, total outstanding |
100.00%
|
100.00%
|
| Loans and leases, measured at fair value |
$ 6,681
|
$ 8,335
|
| Loans and leases, pledged as collateral |
15,500
|
25,900
|
| Loans pledged to secure borrowings |
153,100
|
168,200
|
| Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 6,681
|
$ 8,335
|
| Percentage of outstandings, total outstanding |
0.72%
|
0.85%
|
| Direct/indirect consumer | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Nonperforming loans |
$ 66
|
$ 45
|
| Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
428,796
|
465,769
|
| Consumer Portfolio Segment | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
428,061
|
465,175
|
| Consumer Portfolio Segment | Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
735
|
594
|
| Consumer Portfolio Segment | Residential mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases, measured at fair value |
298
|
257
|
| Consumer Portfolio Segment | Home equity lines of credit |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases, measured at fair value |
437
|
337
|
| Consumer real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
34,311
|
|
| Consumer real estate | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Nonperforming loans |
1,200
|
856
|
| Consumer real estate | Core Portfolio Residential Mortgage | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
215,273
|
225,770
|
| Consumer real estate | Core Portfolio Home Equity | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
30,328
|
35,226
|
| Consumer real estate | Non-core Portfolio Residential Mortgage | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
8,282
|
10,399
|
| Consumer real estate | Non-core Portfolio Home Equity | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
3,983
|
4,982
|
| Consumer real estate | Residential mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
223,555
|
|
| Credit card and other consumer | Credit card | Carrying Value | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
78,708
|
97,608
|
| Credit card and other consumer | Direct/indirect consumer | Dealer Financial Services Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
46,400
|
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 |
41,100
|
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 |
3,000
|
2,800
|
| Credit card and other consumer | Direct/indirect consumer | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
91,363
|
90,998
|
| Credit card and other consumer | Other consumer | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
124
|
192
|
| Commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
499,065
|
517,657
|
| Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
288,728
|
|
| Loans and leases, measured at fair value |
2,900
|
4,700
|
| Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
90,460
|
|
| Loans and leases, measured at fair value |
3,000
|
3,100
|
| Commercial | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
493,119
|
509,916
|
| Commercial | Carrying Value | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
288,728
|
307,048
|
| Commercial | Carrying Value | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
90,460
|
104,966
|
| Commercial | Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
5,946
|
7,741
|
| Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
60,364
|
|
| Commercial | Commercial real estate | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
57,200
|
59,000
|
| Commercial | Commercial real estate | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
3,200
|
3,700
|
| Commercial | Commercial real estate | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
60,364
|
62,689
|
| Commercial | Commercial lease financing | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
17,098
|
19,880
|
| Commercial | U.S. small business commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
29,934
|
|
| Commercial | U.S. small business commercial | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
36,469
|
15,333
|
| 30 to 59 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 3,158
|
$ 4,052
|
| Percentage of outstandings |
0.34%
|
0.41%
|
| 30 to 59 Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 2,238
|
$ 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 |
225
|
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 |
126
|
139
|
| 30 to 59 Days Past Due | Consumer real estate | Core Portfolio Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,157
|
1,378
|
| 30 to 59 Days Past Due | Consumer real estate | Core Portfolio Home Equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
126
|
135
|
| 30 to 59 Days Past Due | Consumer real estate | Non-core Portfolio Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
273
|
458
|
| 30 to 59 Days Past Due | Consumer real estate | Non-core Portfolio Home Equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
28
|
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 |
445
|
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 |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
920
|
1,186
|
| 30 to 59 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
561
|
788
|
| 30 to 59 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
61
|
35
|
| 30 to 59 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
128
|
144
|
| 30 to 59 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
86
|
100
|
| 30 to 59 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
84
|
119
|
| 60 to 89 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 1,230
|
$ 1,503
|
| Percentage of outstandings |
0.13%
|
0.15%
|
| 60 to 89 Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 783
|
$ 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 |
103
|
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 |
95
|
114
|
| 60 to 89 Days Past Due | Consumer real estate | Core Portfolio Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
175
|
261
|
| 60 to 89 Days Past Due | Consumer real estate | Core Portfolio Home Equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
61
|
70
|
| 60 to 89 Days Past Due | Consumer real estate | Non-core Portfolio Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
122
|
209
|
| 60 to 89 Days Past Due | Consumer real estate | Non-core Portfolio Home Equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
17
|
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 |
341
|
429
|
| 60 to 89 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
67
|
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 |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
447
|
433
|
| 60 to 89 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
214
|
279
|
| 60 to 89 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
44
|
23
|
| 60 to 89 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
113
|
19
|
| 60 to 89 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
20
|
56
|
| 60 to 89 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
56
|
56
|
| 90 Days or More Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 3,913
|
$ 3,819
|
| Percentage of outstandings |
0.42%
|
0.39%
|
| 90 Days or More Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 2,984
|
$ 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 |
762
|
1,100
|
| 90 Days or More Past Due | Consumer real estate | Core Portfolio Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
786
|
565
|
| 90 Days or More Past Due | Consumer real estate | Core Portfolio Home Equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
269
|
198
|
| 90 Days or More Past Due | Consumer real estate | Non-core Portfolio Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
913
|
1,263
|
| 90 Days or More Past Due | Consumer real estate | Non-core Portfolio 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 |
903
|
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 |
37
|
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 |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
929
|
644
|
| 90 Days or More Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
512
|
371
|
| 90 Days or More Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
11
|
8
|
| 90 Days or More Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
226
|
119
|
| 90 Days or More Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
57
|
39
|
| 90 Days or More Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
123
|
107
|
| Total Past Due 30 Days or More |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 8,301
|
$ 9,374
|
| Percentage of outstandings |
0.89%
|
0.95%
|
| Total Past Due 30 Days or More | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 6,005
|
$ 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 |
2,118
|
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 |
456
|
403
|
| Total Past Due 30 Days or More | Consumer real estate | Non-core Portfolio Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,308
|
1,930
|
| Total Past Due 30 Days or More | Consumer real estate | Non-core Portfolio Home Equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
121
|
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 |
1,689
|
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 |
313
|
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 |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
2,296
|
2,263
|
| Total Past Due 30 Days or More | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,287
|
1,438
|
| Total Past Due 30 Days or More | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
116
|
66
|
| Total Past Due 30 Days or More | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
467
|
282
|
| Total Past Due 30 Days or More | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
163
|
195
|
| Total Past Due 30 Days or More | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
263
|
282
|
| Total Current or Less Than 30 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 912,879
|
$ 965,717
|
| Percentage of outstandings, total outstanding |
98.39%
|
98.20%
|
| Total Current or Less Than 30 Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 422,056
|
$ 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 |
213,155
|
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 |
29,872
|
34,823
|
| Total Current or Less Than 30 Days Past Due | Consumer real estate | Non-core Portfolio Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
6,974
|
8,469
|
| Total Current or Less Than 30 Days Past Due | Consumer real estate | Non-core Portfolio Home Equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
3,862
|
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 |
77,019
|
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 |
91,050
|
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 |
124
|
192
|
| Total Current or Less Than 30 Days Past Due | Commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
490,823
|
507,653
|
| Total Current or Less Than 30 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
287,441
|
305,610
|
| Total Current or Less Than 30 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
90,344
|
104,900
|
| Total Current or Less Than 30 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
59,897
|
62,407
|
| Total Current or Less Than 30 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
16,935
|
19,685
|
| Total Current or Less Than 30 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 36,206
|
$ 15,051
|