Outstanding Loans and Leases and Allowance for Credit Losses - Past Due (Details) - USD ($)
$ in Millions |
Sep. 30, 2021 |
Dec. 31, 2020 |
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 927,736
|
$ 927,861
|
| Percentage of outstandings, total outstanding |
100.00%
|
100.00%
|
| Loans and leases, measured at fair value |
$ 7,566
|
$ 6,681
|
| Loans and leases, pledged as collateral |
12,800
|
15,500
|
| Loans pledged to secure borrowings |
150,200
|
153,100
|
| Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 7,566
|
$ 6,681
|
| Percentage of outstandings, total outstanding |
0.82%
|
0.72%
|
| Direct/indirect consumer | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Nonperforming loans |
$ 29
|
$ 66
|
| Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
423,472
|
428,796
|
| Consumer Portfolio Segment | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
422,856
|
428,061
|
| Consumer Portfolio Segment | Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
616
|
735
|
| Consumer Portfolio Segment | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases, measured at fair value |
241
|
298
|
| Consumer Portfolio Segment | Home equity lines of credit |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases, measured at fair value |
375
|
437
|
| Consumer real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
29,000
|
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 |
216,940
|
223,555
|
| Consumer real estate | Residential Mortgage | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
216,940
|
223,555
|
| Consumer real estate | Home Equity Loan | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
29,000
|
34,311
|
| Credit card and other consumer | Credit card | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
76,869
|
78,708
|
| Credit card and other consumer | Direct/indirect consumer | Dealer Financial Services Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
47,200
|
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 |
48,700
|
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 |
99,845
|
91,363
|
| Credit card and other consumer | Other consumer | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
202
|
124
|
| Commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
504,264
|
499,065
|
| Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
295,927
|
288,728
|
| Loans and leases, measured at fair value |
4,500
|
2,900
|
| Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
102,850
|
90,460
|
| Loans and leases, measured at fair value |
2,400
|
3,000
|
| Commercial | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
497,314
|
493,119
|
| Commercial | Carrying Value | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
295,927
|
288,728
|
| Commercial | Carrying Value | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
102,850
|
90,460
|
| Commercial | Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
6,950
|
5,946
|
| Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
60,723
|
60,364
|
| Commercial | Commercial real estate | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
56,600
|
57,200
|
| Commercial | Commercial real estate | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
4,100
|
3,200
|
| Commercial | Commercial real estate | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
60,723
|
60,364
|
| Commercial | Commercial lease financing | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
15,044
|
17,098
|
| Commercial | U.S. small business commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
15,695
|
29,934
|
| Commercial | U.S. small business commercial | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
22,770
|
36,469
|
| 30 to 59 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 2,504
|
$ 3,158
|
| Percentage of outstandings |
0.27%
|
0.34%
|
| 30 to 59 Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 1,547
|
$ 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 |
185
|
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 |
116
|
126
|
| 30 to 59 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,010
|
1,430
|
| 30 to 59 Days Past Due | Consumer real estate | Home Equity Loan |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
132
|
154
|
| 30 to 59 Days Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
286
|
445
|
| 30 to 59 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
119
|
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 |
957
|
920
|
| 30 to 59 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
640
|
561
|
| 30 to 59 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
77
|
61
|
| 30 to 59 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
138
|
128
|
| 30 to 59 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
32
|
86
|
| 30 to 59 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
70
|
84
|
| 60 to 89 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 932
|
$ 1,230
|
| Percentage of outstandings |
0.10%
|
0.13%
|
| 60 to 89 Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 574
|
$ 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 |
102
|
95
|
| 60 to 89 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
276
|
297
|
| 60 to 89 Days Past Due | Consumer real estate | Home Equity Loan |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
69
|
78
|
| 60 to 89 Days Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
198
|
341
|
| 60 to 89 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
31
|
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 |
358
|
447
|
| 60 to 89 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
234
|
214
|
| 60 to 89 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
48
|
44
|
| 60 to 89 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
0
|
113
|
| 60 to 89 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
33
|
20
|
| 60 to 89 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
43
|
56
|
| 90 Days or More Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 2,993
|
$ 3,913
|
| Percentage of outstandings |
0.32%
|
0.42%
|
| 90 Days or More Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 2,336
|
$ 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 |
648
|
762
|
| 90 Days or More Past Due | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,504
|
1,699
|
| 90 Days or More Past Due | Consumer real estate | Home Equity Loan |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
366
|
345
|
| 90 Days or More Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
450
|
903
|
| 90 Days or More Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
16
|
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 |
657
|
929
|
| 90 Days or More Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
238
|
512
|
| 90 Days or More Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
130
|
11
|
| 90 Days or More Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
208
|
226
|
| 90 Days or More Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
15
|
57
|
| 90 Days or More Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
66
|
123
|
| Total Past Due 30 Days or More |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 6,429
|
$ 8,301
|
| Percentage of outstandings |
0.69%
|
0.89%
|
| Total Past Due 30 Days or More | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 4,457
|
$ 6,005
|
| Total Past Due 30 Days or More | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
2,790
|
3,426
|
| Total Past Due 30 Days or More | Consumer real estate | Home Equity Loan |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
567
|
577
|
| Total Past Due 30 Days or More | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
934
|
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 |
166
|
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 |
1,972
|
2,296
|
| Total Past Due 30 Days or More | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,112
|
1,287
|
| Total Past Due 30 Days or More | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
255
|
116
|
| Total Past Due 30 Days or More | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
346
|
467
|
| Total Past Due 30 Days or More | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
80
|
163
|
| Total Past Due 30 Days or More | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
179
|
263
|
| Total Current or Less Than 30 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 913,741
|
$ 912,879
|
| Percentage of outstandings, total outstanding |
98.49%
|
98.39%
|
| Total Current or Less Than 30 Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 418,399
|
$ 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 |
214,150
|
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 |
28,433
|
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 |
75,935
|
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 |
99,679
|
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 |
202
|
124
|
| Total Current or Less Than 30 Days Past Due | Commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
495,342
|
490,823
|
| Total Current or Less Than 30 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
294,815
|
287,441
|
| Total Current or Less Than 30 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
102,595
|
90,344
|
| Total Current or Less Than 30 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
60,377
|
59,897
|
| Total Current or Less Than 30 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
14,964
|
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 |
$ 22,591
|
$ 36,206
|