Outstanding Loans and Leases and Allowance for Credit Losses - Past Due (Details) - USD ($)
$ in Millions |
Mar. 31, 2021 |
Dec. 31, 2020 |
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 903,088
|
$ 927,861
|
| Percentage of outstandings, total outstanding |
100.00%
|
100.00%
|
| Loans and leases, measured at fair value |
$ 7,003
|
$ 6,681
|
| Loans and leases, pledged as collateral |
15,300
|
15,500
|
| Loans pledged to secure borrowings |
145,500
|
153,100
|
| Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 7,003
|
$ 6,681
|
| Percentage of outstandings, total outstanding |
0.78%
|
0.72%
|
| Direct/indirect consumer | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Nonperforming loans |
$ 53
|
$ 66
|
| Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
412,205
|
428,796
|
| Consumer Portfolio Segment | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
411,512
|
428,061
|
| Consumer Portfolio Segment | Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
693
|
735
|
| Consumer Portfolio Segment | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases, measured at fair value |
275
|
298
|
| Consumer Portfolio Segment | Home equity lines of credit |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases, measured at fair value |
418
|
437
|
| Consumer real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
32,078
|
34,311
|
| Consumer real estate | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Nonperforming loans |
1,500
|
1,200
|
| Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
214,779
|
223,555
|
| Consumer real estate | Residential Mortgage | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
214,779
|
223,555
|
| Consumer real estate | Home Equity Loan | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
32,078
|
34,311
|
| Credit card and other consumer | Credit card | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
72,786
|
78,708
|
| Credit card and other consumer | Direct/indirect consumer | Dealer Financial Services Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
45,400
|
46,400
|
| Credit card and other consumer | Direct/indirect consumer | Securities Based Lending Loans | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
42,400
|
41,100
|
| Credit card and other consumer | Direct/indirect consumer | Securities Based Lending Loans | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
3,100
|
3,000
|
| Credit card and other consumer | Direct/indirect consumer | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
91,737
|
91,363
|
| Credit card and other consumer | Other consumer | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
132
|
124
|
| Commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
490,883
|
499,065
|
| Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
283,229
|
288,728
|
| Loans and leases, measured at fair value |
4,200
|
2,900
|
| Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
91,335
|
90,460
|
| Loans and leases, measured at fair value |
2,100
|
3,000
|
| Commercial | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
484,573
|
493,119
|
| Commercial | Carrying Value | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
283,229
|
288,728
|
| Commercial | Carrying Value | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
91,335
|
90,460
|
| Commercial | Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
6,310
|
5,946
|
| Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
58,764
|
60,364
|
| Commercial | Commercial real estate | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
55,800
|
57,200
|
| Commercial | Commercial real estate | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
3,000
|
3,200
|
| Commercial | Commercial real estate | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
58,764
|
60,364
|
| Commercial | Commercial lease financing | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
16,359
|
17,098
|
| Commercial | U.S. small business commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
28,321
|
29,934
|
| Commercial | U.S. small business commercial | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
34,886
|
36,469
|
| 30 to 59 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 3,388
|
$ 3,158
|
| Percentage of outstandings |
0.37%
|
0.34%
|
| 30 to 59 Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 1,828
|
$ 2,238
|
| 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 |
203
|
225
|
| 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 |
128
|
126
|
| 30 to 59 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,230
|
1,430
|
| 30 to 59 Days Past Due | Consumer real estate | Home Equity Loan |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
139
|
154
|
| 30 to 59 Days Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
316
|
445
|
| 30 to 59 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
143
|
209
|
| 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 |
1,560
|
920
|
| 30 to 59 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,201
|
561
|
| 30 to 59 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
112
|
61
|
| 30 to 59 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
44
|
128
|
| 30 to 59 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
138
|
86
|
| 30 to 59 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
65
|
84
|
| 60 to 89 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 1,232
|
$ 1,230
|
| Percentage of outstandings |
0.14%
|
0.13%
|
| 60 to 89 Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 779
|
$ 783
|
| 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 |
100
|
103
|
| 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 |
124
|
95
|
| 60 to 89 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
414
|
297
|
| 60 to 89 Days Past Due | Consumer real estate | Home Equity Loan |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
75
|
78
|
| 60 to 89 Days Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
246
|
341
|
| 60 to 89 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
44
|
67
|
| 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 |
453
|
447
|
| 60 to 89 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
220
|
214
|
| 60 to 89 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
26
|
44
|
| 60 to 89 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
141
|
113
|
| 60 to 89 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
25
|
20
|
| 60 to 89 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
41
|
56
|
| 90 Days or More Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 3,618
|
$ 3,913
|
| Percentage of outstandings |
0.40%
|
0.42%
|
| 90 Days or More Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 2,779
|
$ 2,984
|
| 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 |
728
|
762
|
| 90 Days or More Past Due | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,635
|
1,699
|
| 90 Days or More Past Due | Consumer real estate | Home Equity Loan |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
362
|
345
|
| 90 Days or More Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
755
|
903
|
| 90 Days or More Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
27
|
37
|
| 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 |
839
|
929
|
| 90 Days or More Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
349
|
512
|
| 90 Days or More Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
105
|
11
|
| 90 Days or More Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
230
|
226
|
| 90 Days or More Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
48
|
57
|
| 90 Days or More Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
107
|
123
|
| Total Past Due 30 Days or More |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 8,238
|
$ 8,301
|
| Percentage of outstandings |
0.91%
|
0.89%
|
| Total Past Due 30 Days or More | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 5,386
|
$ 6,005
|
| Total Past Due 30 Days or More | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
3,279
|
3,426
|
| Total Past Due 30 Days or More | Consumer real estate | Home Equity Loan |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
576
|
577
|
| Total Past Due 30 Days or More | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,317
|
1,689
|
| Total Past Due 30 Days or More | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
214
|
313
|
| 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 |
2,852
|
2,296
|
| Total Past Due 30 Days or More | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,770
|
1,287
|
| Total Past Due 30 Days or More | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
243
|
116
|
| Total Past Due 30 Days or More | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
415
|
467
|
| Total Past Due 30 Days or More | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
211
|
163
|
| Total Past Due 30 Days or More | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
213
|
263
|
| Total Current or Less Than 30 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 887,847
|
$ 912,879
|
| Percentage of outstandings, total outstanding |
98.31%
|
98.39%
|
| Total Current or Less Than 30 Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 406,126
|
$ 422,056
|
| Total Current or Less Than 30 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
211,500
|
220,129
|
| Total Current or Less Than 30 Days Past Due | Consumer real estate | Home Equity Loan |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
31,502
|
33,734
|
| Total Current or Less Than 30 Days Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
71,469
|
77,019
|
| 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 |
91,523
|
91,050
|
| 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 |
132
|
124
|
| Total Current or Less Than 30 Days Past Due | Commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
481,721
|
490,823
|
| Total Current or Less Than 30 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
281,459
|
287,441
|
| Total Current or Less Than 30 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
91,092
|
90,344
|
| Total Current or Less Than 30 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
58,349
|
59,897
|
| Total Current or Less Than 30 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
16,148
|
16,935
|
| Total Current or Less Than 30 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 34,673
|
$ 36,206
|