Outstanding Loans and Leases and Allowance for Credit Losses - Past Due (Details) - USD ($)
$ in Millions |
Jun. 30, 2021 |
Dec. 31, 2020 |
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 918,928
|
$ 927,861
|
| Percentage of outstandings, total outstanding |
100.00%
|
100.00%
|
| Loans and leases, measured at fair value |
$ 6,950
|
$ 6,681
|
| Loans and leases, pledged as collateral |
12,800
|
15,500
|
| Loans pledged to secure borrowings |
153,000
|
153,100
|
| Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 6,950
|
$ 6,681
|
| Percentage of outstandings, total outstanding |
0.76%
|
0.72%
|
| Direct/indirect consumer | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Nonperforming loans |
$ 48
|
$ 66
|
| Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
418,121
|
428,796
|
| Consumer Portfolio Segment | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
417,467
|
428,061
|
| Consumer Portfolio Segment | Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
654
|
735
|
| Consumer Portfolio Segment | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases, measured at fair value |
257
|
298
|
| Consumer Portfolio Segment | Home equity lines of credit |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases, measured at fair value |
397
|
437
|
| Consumer real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
30,469
|
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 |
214,324
|
223,555
|
| Consumer real estate | Residential Mortgage | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
214,324
|
223,555
|
| Consumer real estate | Home Equity Loan | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
30,469
|
34,311
|
| Credit card and other consumer | Credit card | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
75,599
|
78,708
|
| Credit card and other consumer | Direct/indirect consumer | Dealer Financial Services Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
46,400
|
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 |
46,400
|
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 |
3,000
|
3,000
|
| Credit card and other consumer | Direct/indirect consumer | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
96,903
|
91,363
|
| Credit card and other consumer | Other consumer | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
172
|
124
|
| Commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
500,807
|
499,065
|
| Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
291,120
|
288,728
|
| Loans and leases, measured at fair value |
4,400
|
2,900
|
| Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
98,150
|
90,460
|
| Loans and leases, measured at fair value |
1,900
|
3,000
|
| Commercial | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
494,511
|
493,119
|
| Commercial | Carrying Value | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
291,120
|
288,728
|
| Commercial | Carrying Value | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
98,150
|
90,460
|
| Commercial | Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
6,296
|
5,946
|
| Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
59,606
|
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 |
3,800
|
3,200
|
| Commercial | Commercial real estate | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
59,606
|
60,364
|
| Commercial | Commercial lease financing | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
15,768
|
17,098
|
| Commercial | U.S. small business commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
22,931
|
29,934
|
| Commercial | U.S. small business commercial | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
29,867
|
36,469
|
| 30 to 59 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 2,223
|
$ 3,158
|
| Percentage of outstandings |
0.24%
|
0.34%
|
| 30 to 59 Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 1,662
|
$ 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 |
213
|
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 |
157
|
126
|
| 30 to 59 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,130
|
1,430
|
| 30 to 59 Days Past Due | Consumer real estate | Home Equity Loan |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
141
|
154
|
| 30 to 59 Days Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
266
|
445
|
| 30 to 59 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
125
|
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 |
561
|
920
|
| 30 to 59 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
224
|
561
|
| 30 to 59 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
87
|
61
|
| 30 to 59 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
107
|
128
|
| 30 to 59 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
87
|
86
|
| 30 to 59 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
56
|
84
|
| 60 to 89 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 1,298
|
$ 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 |
$ 622
|
$ 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 |
97
|
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 |
129
|
95
|
| 60 to 89 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
330
|
297
|
| 60 to 89 Days Past Due | Consumer real estate | Home Equity Loan |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
70
|
78
|
| 60 to 89 Days Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
177
|
341
|
| 60 to 89 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
45
|
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 |
676
|
447
|
| 60 to 89 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
564
|
214
|
| 60 to 89 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
24
|
44
|
| 60 to 89 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
32
|
113
|
| 60 to 89 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
27
|
20
|
| 60 to 89 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
29
|
56
|
| 90 Days or More Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 3,214
|
$ 3,913
|
| Percentage of outstandings |
0.35%
|
0.42%
|
| 90 Days or More Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 2,442
|
$ 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 |
687
|
762
|
| 90 Days or More Past Due | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,549
|
1,699
|
| 90 Days or More Past Due | Consumer real estate | Home Equity Loan |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
343
|
345
|
| 90 Days or More Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
533
|
903
|
| 90 Days or More Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
17
|
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 |
772
|
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 |
107
|
11
|
| 90 Days or More Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
192
|
226
|
| 90 Days or More Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
53
|
57
|
| 90 Days or More Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
71
|
123
|
| Total Past Due 30 Days or More |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 6,735
|
$ 8,301
|
| Percentage of outstandings |
0.73%
|
0.89%
|
| Total Past Due 30 Days or More | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 4,726
|
$ 6,005
|
| Total Past Due 30 Days or More | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
3,009
|
3,426
|
| Total Past Due 30 Days or More | Consumer real estate | Home Equity Loan |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
554
|
577
|
| Total Past Due 30 Days or More | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
976
|
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 |
187
|
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 |
2,009
|
2,296
|
| Total Past Due 30 Days or More | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,137
|
1,287
|
| Total Past Due 30 Days or More | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
218
|
116
|
| Total Past Due 30 Days or More | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
331
|
467
|
| Total Past Due 30 Days or More | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
167
|
163
|
| Total Past Due 30 Days or More | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
156
|
263
|
| Total Current or Less Than 30 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 905,243
|
$ 912,879
|
| Percentage of outstandings, total outstanding |
98.51%
|
98.39%
|
| Total Current or Less Than 30 Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 412,741
|
$ 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 |
211,315
|
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 |
29,915
|
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 |
74,623
|
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 |
96,716
|
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 |
172
|
124
|
| Total Current or Less Than 30 Days Past Due | Commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
492,502
|
490,823
|
| Total Current or Less Than 30 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
289,983
|
287,441
|
| Total Current or Less Than 30 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
97,932
|
90,344
|
| Total Current or Less Than 30 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
59,275
|
59,897
|
| Total Current or Less Than 30 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
15,601
|
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 |
$ 29,711
|
$ 36,206
|