Outstanding Loans and Leases and Allowance for Credit Losses - Past Due (Details) - USD ($)
$ in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 1,053,732
|
$ 1,045,747
|
| Percentage of outstandings, total outstanding |
100.00%
|
100.00%
|
| Loans and leases, measured at fair value |
$ 3,569
|
$ 5,771
|
| Asset Pledged as Collateral |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
33,700
|
18,500
|
| Asset Pledged as Collateral | Federal Reserve Bank And Federal Home Loan Bank |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
246,000
|
163,600
|
| Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 3,569
|
$ 5,771
|
| Percentage of outstandings, total outstanding |
0.34%
|
0.55%
|
| Direct/indirect consumer | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Nonperforming loans |
$ 39
|
$ 27
|
| Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
459,965
|
456,385
|
| Consumer Portfolio Segment | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
459,722
|
456,046
|
| Consumer Portfolio Segment | Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
243
|
339
|
| Consumer Portfolio Segment | Residential mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases, measured at fair value |
66
|
71
|
| Consumer Portfolio Segment | Home equity lines of credit |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases, measured at fair value |
177
|
268
|
| Consumer real estate | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Nonperforming loans |
1,600
|
1,600
|
| Consumer real estate | Residential mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
228,403
|
229,670
|
| Consumer real estate | Residential mortgage | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
228,403
|
229,670
|
| Consumer real estate | Home equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
25,527
|
26,563
|
| Consumer real estate | Home equity | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
25,527
|
26,563
|
| Credit card and other consumer | Credit card | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
102,200
|
93,421
|
| Credit card and other consumer | Direct/indirect consumer | Dealer Financial Services Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
53,900
|
51,800
|
| Credit card and other consumer | Direct/indirect consumer | Securities Based Lending Loans | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
46,000
|
50,400
|
| Credit card and other consumer | Direct/indirect consumer | Securities Based Lending Loans | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
2,800
|
3,000
|
| Credit card and other consumer | Direct/indirect consumer | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
103,468
|
106,236
|
| Credit card and other consumer | Other consumer | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
124
|
156
|
| Commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
593,767
|
589,362
|
| Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
358,931
|
358,481
|
| Loans and leases, measured at fair value |
2,200
|
2,900
|
| Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
124,581
|
124,479
|
| Loans and leases, measured at fair value |
1,200
|
2,500
|
| Commercial | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
590,441
|
583,930
|
| Commercial | Carrying Value | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
358,931
|
358,481
|
| Commercial | Carrying Value | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
124,581
|
124,479
|
| Commercial | Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
3,326
|
5,432
|
| Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
72,878
|
69,766
|
| Commercial | Commercial real estate | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
66,800
|
64,900
|
| Commercial | Commercial real estate | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
6,100
|
4,800
|
| Commercial | Commercial real estate | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
72,878
|
69,766
|
| Commercial | Commercial lease financing | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
14,854
|
13,644
|
| Commercial | U.S. small business commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
9,415
|
9,055
|
| Commercial | U.S. small business commercial | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
19,197
|
17,560
|
| 30 to 59 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 3,273
|
$ 3,544
|
| Percentage of outstandings |
0.31%
|
0.34%
|
| 30 to 59 Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 2,253
|
$ 1,835
|
| 30 to 59 Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
198
|
184
|
| 30 to 59 Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
150
|
155
|
| 30 to 59 Days Past Due | Consumer real estate | Residential mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,177
|
1,077
|
| 30 to 59 Days Past Due | Consumer real estate | Home equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
90
|
88
|
| 30 to 59 Days Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
680
|
466
|
| 30 to 59 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
306
|
204
|
| 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 |
1,020
|
1,709
|
| 30 to 59 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
477
|
827
|
| 30 to 59 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
86
|
317
|
| 30 to 59 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
247
|
409
|
| 30 to 59 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
44
|
49
|
| 30 to 59 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
166
|
107
|
| 60 to 89 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 1,301
|
$ 1,158
|
| Percentage of outstandings |
0.12%
|
0.11%
|
| 60 to 89 Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 954
|
$ 658
|
| 60 to 89 Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
77
|
75
|
| 60 to 89 Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
102
|
88
|
| 60 to 89 Days Past Due | Consumer real estate | Residential mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
302
|
245
|
| 60 to 89 Days Past Due | Consumer real estate | Home equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
38
|
32
|
| 60 to 89 Days Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
515
|
322
|
| 60 to 89 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
99
|
59
|
| 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 |
347
|
500
|
| 60 to 89 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
96
|
288
|
| 60 to 89 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
21
|
59
|
| 60 to 89 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
133
|
81
|
| 60 to 89 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
8
|
9
|
| 60 to 89 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
89
|
63
|
| 90+ Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 3,307
|
$ 2,836
|
| Percentage of outstandings |
0.32%
|
0.27%
|
| 90+ Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 2,305
|
$ 1,918
|
| 90+ Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
252
|
368
|
| 90+ Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
738
|
788
|
| 90+ Days Past Due | Consumer real estate | Residential mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
829
|
945
|
| 90+ Days Past Due | Consumer real estate | Home equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
161
|
211
|
| 90+ Days Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,224
|
717
|
| 90+ Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
91
|
45
|
| 90+ Days Past Due | Credit card and other consumer | Other consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
0
|
0
|
| 90+ Days Past Due | Commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,002
|
918
|
| 90+ Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
225
|
330
|
| 90+ Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
64
|
144
|
| 90+ Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
505
|
77
|
| 90+ Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
24
|
11
|
| 90+ Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
184
|
356
|
| Total Past Due 30 Days or More |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 7,881
|
$ 7,538
|
| Percentage of outstandings |
0.75%
|
0.72%
|
| Total Past Due 30 Days or More | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 5,512
|
$ 4,411
|
| Total Past Due 30 Days or More | Consumer real estate | Residential mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
2,308
|
2,267
|
| Total Past Due 30 Days or More | Consumer real estate | Home equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
289
|
331
|
| Total Past Due 30 Days or More | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
2,419
|
1,505
|
| Total Past Due 30 Days or More | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
496
|
308
|
| 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 |
2,369
|
3,127
|
| Total Past Due 30 Days or More | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
798
|
1,445
|
| Total Past Due 30 Days or More | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
171
|
520
|
| Total Past Due 30 Days or More | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
885
|
567
|
| Total Past Due 30 Days or More | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
76
|
69
|
| Total Past Due 30 Days or More | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
439
|
526
|
| Total Current or Less Than 30 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 1,042,282
|
$ 1,032,438
|
| Percentage of outstandings, total outstanding |
98.91%
|
98.73%
|
| Total Current or Less Than 30 Days Past Due | Consumer Portfolio Segment |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 454,210
|
$ 451,635
|
| Total Current or Less Than 30 Days Past Due | Consumer real estate | Residential mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
226,095
|
227,403
|
| Total Current or Less Than 30 Days Past Due | Consumer real estate | Home equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
25,238
|
26,232
|
| 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 |
99,781
|
91,916
|
| 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 |
102,972
|
105,928
|
| 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
|
156
|
| Total Current or Less Than 30 Days Past Due | Commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
588,072
|
580,803
|
| Total Current or Less Than 30 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
358,133
|
357,036
|
| Total Current or Less Than 30 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
124,410
|
123,959
|
| Total Current or Less Than 30 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
71,993
|
69,199
|
| Total Current or Less Than 30 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
14,778
|
13,575
|
| Total Current or Less Than 30 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 18,758
|
$ 17,034
|