Outstanding Loans and Leases and Allowance for Credit Losses - Past Due (Details) - USD ($) $ in Millions |
Sep. 30, 2023 |
Dec. 31, 2022 |
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 1,049,149
|
$ 1,045,747
|
Percentage of outstandings, total outstanding |
100.00%
|
100.00%
|
Loans and leases, measured at fair value |
$ 4,250
|
$ 5,771
|
Asset Pledged as Collateral |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
40,300
|
18,500
|
Asset Pledged as Collateral | Federal Reserve Bank And Federal Home Loan Bank |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
227,700
|
163,600
|
Estimate of Fair Value Measurement |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 4,250
|
$ 5,771
|
Percentage of outstandings, total outstanding |
0.40%
|
0.55%
|
Direct/indirect consumer | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Nonperforming loans |
$ 37
|
$ 27
|
Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
458,779
|
456,385
|
Consumer Portfolio Segment | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
458,526
|
456,046
|
Consumer Portfolio Segment | Estimate of Fair Value Measurement |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
253
|
339
|
Consumer Portfolio Segment | Residential mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases, measured at fair value |
67
|
71
|
Consumer Portfolio Segment | Home equity lines of credit |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases, measured at fair value |
186
|
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 |
229,166
|
229,670
|
Consumer real estate | Residential mortgage | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
229,166
|
229,670
|
Consumer real estate | Home equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
25,492
|
26,563
|
Consumer real estate | Home equity | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
25,492
|
26,563
|
Credit card and other consumer | Credit card | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
99,687
|
93,421
|
Credit card and other consumer | Direct/indirect consumer | Dealer Financial Services Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
54,000
|
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 |
46,500
|
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 |
104,059
|
106,236
|
Credit card and other consumer | Other consumer | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
122
|
156
|
Commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
590,370
|
589,362
|
Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
356,330
|
358,481
|
Loans and leases, measured at fair value |
2,500
|
2,900
|
Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
123,713
|
124,479
|
Loans and leases, measured at fair value |
1,500
|
2,500
|
Commercial | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
586,373
|
583,930
|
Commercial | Carrying Value | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
356,330
|
358,481
|
Commercial | Carrying Value | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
123,713
|
124,479
|
Commercial | Estimate of Fair Value Measurement |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
3,997
|
5,432
|
Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
73,193
|
69,766
|
Commercial | Commercial real estate | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
67,300
|
64,900
|
Commercial | Commercial real estate | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
5,900
|
4,800
|
Commercial | Commercial real estate | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
73,193
|
69,766
|
Commercial | Commercial lease financing | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
13,904
|
13,644
|
Commercial | U.S. small business commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
9,298
|
9,055
|
Commercial | U.S. small business commercial | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
19,233
|
17,560
|
30 to 59 Days Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 2,708
|
$ 3,544
|
Percentage of outstandings |
0.26%
|
0.34%
|
30 to 59 Days Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 2,124
|
$ 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 |
187
|
184
|
30 to 59 Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
167
|
155
|
30 to 59 Days Past Due | Consumer real estate | Residential mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
1,143
|
1,077
|
30 to 59 Days Past Due | Consumer real estate | Home equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
88
|
88
|
30 to 59 Days Past Due | Credit card and other consumer | Credit card |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
626
|
466
|
30 to 59 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
267
|
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 |
584
|
1,709
|
30 to 59 Days Past Due | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
312
|
827
|
30 to 59 Days Past Due | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
27
|
317
|
30 to 59 Days Past Due | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
96
|
409
|
30 to 59 Days Past Due | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
15
|
49
|
30 to 59 Days Past Due | Commercial | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
134
|
107
|
60 to 89 Days Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 1,567
|
$ 1,158
|
Percentage of outstandings |
0.15%
|
0.11%
|
60 to 89 Days Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 860
|
$ 658
|
60 to 89 Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
70
|
75
|
60 to 89 Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
108
|
88
|
60 to 89 Days Past Due | Consumer real estate | Residential mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
278
|
245
|
60 to 89 Days Past Due | Consumer real estate | Home equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
42
|
32
|
60 to 89 Days Past Due | Credit card and other consumer | Credit card |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
455
|
322
|
60 to 89 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
85
|
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 |
707
|
500
|
60 to 89 Days Past Due | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
345
|
288
|
60 to 89 Days Past Due | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
16
|
59
|
60 to 89 Days Past Due | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
258
|
81
|
60 to 89 Days Past Due | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
12
|
9
|
60 to 89 Days Past Due | Commercial | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
76
|
63
|
90+ Days Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 2,931
|
$ 2,836
|
Percentage of outstandings |
0.28%
|
0.27%
|
90+ Days Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 2,136
|
$ 1,918
|
90+ Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
266
|
368
|
90+ Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
779
|
788
|
90+ Days Past Due | Consumer real estate | Residential mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
874
|
945
|
90+ Days Past Due | Consumer real estate | Home equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
171
|
211
|
90+ Days Past Due | Credit card and other consumer | Credit card |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
1,016
|
717
|
90+ Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
75
|
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 |
795
|
918
|
90+ Days Past Due | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
187
|
330
|
90+ Days Past Due | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
65
|
144
|
90+ Days Past Due | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
341
|
77
|
90+ Days Past Due | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
16
|
11
|
90+ Days Past Due | Commercial | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
186
|
356
|
Total Past Due 30 Days or More |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 7,206
|
$ 7,538
|
Percentage of outstandings |
0.69%
|
0.72%
|
Total Past Due 30 Days or More | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 5,120
|
$ 4,411
|
Total Past Due 30 Days or More | Consumer real estate | Residential mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
2,295
|
2,267
|
Total Past Due 30 Days or More | Consumer real estate | Home equity |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
301
|
331
|
Total Past Due 30 Days or More | Credit card and other consumer | Credit card |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
2,097
|
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 |
427
|
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 |
2,086
|
3,127
|
Total Past Due 30 Days or More | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
844
|
1,445
|
Total Past Due 30 Days or More | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
108
|
520
|
Total Past Due 30 Days or More | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
695
|
567
|
Total Past Due 30 Days or More | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
43
|
69
|
Total Past Due 30 Days or More | Commercial | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
396
|
526
|
Total Current or Less Than 30 Days Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 1,037,693
|
$ 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 |
$ 453,406
|
$ 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 |
226,871
|
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 |
25,191
|
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 |
97,590
|
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 |
103,632
|
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 |
122
|
156
|
Total Current or Less Than 30 Days Past Due | Commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
584,287
|
580,803
|
Total Current or Less Than 30 Days Past Due | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
355,486
|
357,036
|
Total Current or Less Than 30 Days Past Due | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
123,605
|
123,959
|
Total Current or Less Than 30 Days Past Due | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
72,498
|
69,199
|
Total Current or Less Than 30 Days Past Due | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
13,861
|
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 |
$ 18,837
|
$ 17,034
|