Outstanding Loans and Leases and Allowance for Credit Losses - Past Due (Details) - USD ($) $ in Millions |
Mar. 31, 2024 |
Dec. 31, 2023 |
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 1,049,156
|
$ 1,053,732
|
Percentage of outstandings, total outstanding |
100.00%
|
100.00%
|
Loans and leases, measured at fair value |
$ 2,938
|
$ 3,569
|
Asset Pledged as Collateral |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
32,800
|
33,700
|
Asset Pledged as Collateral | Federal Reserve Bank And Federal Home Loan Bank |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
226,500
|
246,000
|
Estimate of Fair Value Measurement |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 2,938
|
$ 3,569
|
Percentage of outstandings, total outstanding |
0.28%
|
0.34%
|
Direct/indirect consumer | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Nonperforming loans |
$ 46
|
$ 39
|
Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
454,272
|
459,965
|
Consumer Portfolio Segment | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
454,037
|
459,722
|
Consumer Portfolio Segment | Estimate of Fair Value Measurement |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
235
|
243
|
Consumer Portfolio Segment | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases, measured at fair value |
62
|
66
|
Consumer Portfolio Segment | Home equity lines of credit |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases, measured at fair value |
173
|
177
|
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 |
227,435
|
228,403
|
Consumer real estate | Residential Mortgage | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
227,435
|
228,403
|
Consumer real estate | Home equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
25,185
|
25,527
|
Consumer real estate | Home equity | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
25,185
|
25,527
|
Credit card and other consumer | Credit card | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
98,453
|
102,200
|
Credit card and other consumer | Direct/indirect consumer | Dealer Financial Services Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
54,100
|
53,900
|
Credit card and other consumer | Direct/indirect consumer | Securities Based Lending Loans | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
45,300
|
46,000
|
Credit card and other consumer | Direct/indirect consumer | Securities Based Lending Loans | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
2,700
|
2,800
|
Credit card and other consumer | Direct/indirect consumer | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
102,849
|
103,468
|
Credit card and other consumer | Other consumer | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
115
|
124
|
Commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
594,884
|
593,767
|
Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
362,744
|
358,931
|
Loans and leases, measured at fair value |
1,700
|
2,200
|
Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
123,073
|
124,581
|
Loans and leases, measured at fair value |
965
|
1,200
|
Commercial | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
592,181
|
590,441
|
Commercial | Carrying Value | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
362,744
|
358,931
|
Commercial | Carrying Value | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
123,073
|
124,581
|
Commercial | Estimate of Fair Value Measurement |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
2,703
|
3,326
|
Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
71,652
|
72,878
|
Commercial | Commercial real estate | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
65,500
|
66,800
|
Commercial | Commercial real estate | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
6,200
|
6,100
|
Commercial | Commercial real estate | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
71,652
|
72,878
|
Commercial | Commercial lease financing | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
14,781
|
14,854
|
Commercial | U.S. small business commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
9,611
|
9,415
|
Commercial | U.S. small business commercial | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
19,931
|
19,197
|
30 to 59 Days Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 3,292
|
$ 3,273
|
Percentage of outstandings |
0.32%
|
0.31%
|
30 to 59 Days Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 2,092
|
$ 2,253
|
30 to 59 Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
175
|
198
|
30 to 59 Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
167
|
150
|
30 to 59 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
1,049
|
1,177
|
30 to 59 Days Past Due | Consumer real estate | Home equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
85
|
90
|
30 to 59 Days Past Due | Credit card and other consumer | Credit card |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
661
|
680
|
30 to 59 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
297
|
306
|
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 |
1,200
|
1,020
|
30 to 59 Days Past Due | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
553
|
477
|
30 to 59 Days Past Due | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
29
|
86
|
30 to 59 Days Past Due | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
403
|
247
|
30 to 59 Days Past Due | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
50
|
44
|
30 to 59 Days Past Due | Commercial | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
165
|
166
|
60 to 89 Days Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 1,395
|
$ 1,301
|
Percentage of outstandings |
0.13%
|
0.12%
|
60 to 89 Days Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 873
|
$ 954
|
60 to 89 Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
72
|
77
|
60 to 89 Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
103
|
102
|
60 to 89 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
261
|
302
|
60 to 89 Days Past Due | Consumer real estate | Home equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
35
|
38
|
60 to 89 Days Past Due | Credit card and other consumer | Credit card |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
486
|
515
|
60 to 89 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
91
|
99
|
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 |
522
|
347
|
60 to 89 Days Past Due | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
80
|
96
|
60 to 89 Days Past Due | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
1
|
21
|
60 to 89 Days Past Due | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
319
|
133
|
60 to 89 Days Past Due | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
39
|
8
|
60 to 89 Days Past Due | Commercial | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
83
|
89
|
90+ Days Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 3,502
|
$ 3,307
|
Percentage of outstandings |
0.33%
|
0.31%
|
90+ Days Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 2,287
|
$ 2,305
|
90+ Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
230
|
252
|
90+ Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
676
|
738
|
90+ Days Past Due | Consumer real estate | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
761
|
829
|
90+ Days Past Due | Consumer real estate | Home equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
145
|
161
|
90+ Days Past Due | Credit card and other consumer | Credit card |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
1,299
|
1,224
|
90+ Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
82
|
91
|
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 |
1,215
|
1,002
|
90+ Days Past Due | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
248
|
225
|
90+ Days Past Due | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
55
|
64
|
90+ Days Past Due | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
684
|
505
|
90+ Days Past Due | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
27
|
24
|
90+ Days Past Due | Commercial | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
201
|
184
|
Total Past Due 30 Days or More |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 8,189
|
$ 7,881
|
Percentage of outstandings |
0.78%
|
0.75%
|
Total Past Due 30 Days or More | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 5,252
|
$ 5,512
|
Total Past Due 30 Days or More | Consumer real estate | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
2,071
|
2,308
|
Total Past Due 30 Days or More | Consumer real estate | Home equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
265
|
289
|
Total Past Due 30 Days or More | Credit card and other consumer | Credit card |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
2,446
|
2,419
|
Total Past Due 30 Days or More | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
470
|
496
|
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 |
2,937
|
2,369
|
Total Past Due 30 Days or More | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
881
|
798
|
Total Past Due 30 Days or More | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
85
|
171
|
Total Past Due 30 Days or More | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
1,406
|
885
|
Total Past Due 30 Days or More | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
116
|
76
|
Total Past Due 30 Days or More | Commercial | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
449
|
439
|
Total Current or Less Than 30 Days Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 1,038,029
|
$ 1,042,282
|
Percentage of outstandings, total outstanding |
98.94%
|
98.91%
|
Total Current or Less Than 30 Days Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 448,785
|
$ 454,210
|
Total Current or Less Than 30 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
225,364
|
226,095
|
Total Current or Less Than 30 Days Past Due | Consumer real estate | Home equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
24,920
|
25,238
|
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 |
96,007
|
99,781
|
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 |
102,379
|
102,972
|
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 |
115
|
124
|
Total Current or Less Than 30 Days Past Due | Commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
589,244
|
588,072
|
Total Current or Less Than 30 Days Past Due | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
361,863
|
358,133
|
Total Current or Less Than 30 Days Past Due | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
122,988
|
124,410
|
Total Current or Less Than 30 Days Past Due | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
70,246
|
71,993
|
Total Current or Less Than 30 Days Past Due | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
14,665
|
14,778
|
Total Current or Less Than 30 Days Past Due | Commercial | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 19,482
|
$ 18,758
|