Outstanding Loans and Leases and Allowance for Credit Losses - Past Due (Details) - USD ($) $ in Millions |
Sep. 30, 2025 |
Dec. 31, 2024 |
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 1,165,900
|
$ 1,095,835
|
| Percentage of outstandings, total outstanding |
100.00%
|
100.00%
|
| Loans and leases, measured at fair value |
$ 6,694
|
$ 4,249
|
| Asset Pledged as Collateral |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
40,800
|
26,800
|
| Asset Pledged as Collateral | Federal Reserve Bank And Federal Home Loan Bank |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
309,700
|
305,200
|
| Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 6,694
|
$ 4,249
|
| Percentage of outstandings, total outstanding |
0.57%
|
0.39%
|
| Direct/indirect consumer | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Nonperforming loans |
$ 49
|
$ 54
|
| Consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
475,766
|
464,996
|
| Consumer | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
475,601
|
464,775
|
| Consumer | Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
165
|
221
|
| Consumer | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases, measured at fair value |
59
|
59
|
| Consumer | Home equity lines of credit |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases, measured at fair value |
106
|
162
|
| Consumer real estate | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Nonperforming loans |
1,500
|
1,500
|
| Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
235,429
|
228,199
|
| Consumer real estate | Residential Mortgage | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
235,429
|
228,199
|
| Consumer real estate | Home equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
26,482
|
25,737
|
| Consumer real estate | Home equity | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
26,482
|
25,737
|
| Credit card and other consumer | Credit card | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
102,109
|
103,566
|
| Credit card and other consumer | Direct/indirect consumer | Dealer Financial Services Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
55,100
|
54,900
|
| Credit card and other consumer | Direct/indirect consumer | Securities Based Lending Loans | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
52,500
|
48,700
|
| 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
|
2,800
|
| Credit card and other consumer | Direct/indirect consumer | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
111,412
|
107,122
|
| Credit card and other consumer | Other consumer | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
169
|
151
|
| Commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
690,134
|
630,839
|
| Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
429,202
|
386,990
|
| Loans and leases, measured at fair value |
2,200
|
2,800
|
| Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
148,707
|
137,518
|
| Loans and leases, measured at fair value |
4,300
|
1,300
|
| Commercial | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
683,605
|
626,811
|
| Commercial | Carrying Value | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
429,202
|
386,990
|
| Commercial | Carrying Value | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
148,707
|
137,518
|
| Commercial | Estimate of Fair Value Measurement |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
6,529
|
4,028
|
| Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
66,986
|
65,730
|
| Commercial | Commercial real estate | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
61,100
|
59,600
|
| Commercial | Commercial real estate | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
5,900
|
6,100
|
| Commercial | Commercial real estate | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
66,986
|
65,730
|
| Commercial | Commercial lease financing | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
16,282
|
15,708
|
| Commercial | U.S. small business commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
11,255
|
10,249
|
| Commercial | U.S. small business commercial | Carrying Value |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
22,428
|
20,865
|
| 30 to 59 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 3,390
|
$ 4,114
|
| Percentage of outstandings |
0.29%
|
0.38%
|
| 30 to 59 Days Past Due | Consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 2,370
|
$ 2,277
|
| 30 to 59 Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
178
|
188
|
| 30 to 59 Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
173
|
174
|
| 30 to 59 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,273
|
1,222
|
| 30 to 59 Days Past Due | Consumer real estate | Home equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
86
|
80
|
| 30 to 59 Days Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
683
|
685
|
| 30 to 59 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
328
|
290
|
| 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
|
1,837
|
| 30 to 59 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
598
|
910
|
| 30 to 59 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
42
|
65
|
| 30 to 59 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
152
|
640
|
| 30 to 59 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
37
|
32
|
| 30 to 59 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
191
|
190
|
| 60 to 89 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 1,534
|
$ 1,462
|
| Percentage of outstandings |
0.13%
|
0.13%
|
| 60 to 89 Days Past Due | Consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 959
|
$ 993
|
| 60 to 89 Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
60
|
71
|
| 60 to 89 Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
102
|
107
|
| 60 to 89 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
302
|
288
|
| 60 to 89 Days Past Due | Consumer real estate | Home equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
32
|
40
|
| 60 to 89 Days Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
521
|
552
|
| 60 to 89 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
104
|
113
|
| 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 |
575
|
469
|
| 60 to 89 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
312
|
228
|
| 60 to 89 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
10
|
17
|
| 60 to 89 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
125
|
121
|
| 60 to 89 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
36
|
9
|
| 60 to 89 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
92
|
94
|
| 90+ Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 3,928
|
$ 3,979
|
| Percentage of outstandings |
0.34%
|
0.36%
|
| 90+ Days Past Due | Consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 2,194
|
$ 2,422
|
| 90+ Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
201
|
229
|
| 90+ Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
630
|
686
|
| 90+ Days Past Due | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
716
|
788
|
| 90+ Days Past Due | Consumer real estate | Home equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
114
|
127
|
| 90+ Days Past Due | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,260
|
1,401
|
| 90+ Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
104
|
106
|
| 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 |
1,734
|
1,557
|
| 90+ Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
694
|
345
|
| 90+ Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
83
|
4
|
| 90+ Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
697
|
990
|
| 90+ Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
58
|
19
|
| 90+ Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
202
|
199
|
| Total Past Due 30 Days or More |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 8,852
|
$ 9,555
|
| Percentage of outstandings |
0.76%
|
0.87%
|
| Total Past Due 30 Days or More | Consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 5,523
|
$ 5,692
|
| Total Past Due 30 Days or More | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
2,291
|
2,298
|
| Total Past Due 30 Days or More | Consumer real estate | Home equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
232
|
247
|
| Total Past Due 30 Days or More | Credit card and other consumer | Credit card |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
2,464
|
2,638
|
| Total Past Due 30 Days or More | Credit card and other consumer | Direct/indirect consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
536
|
509
|
| 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 |
3,329
|
3,863
|
| Total Past Due 30 Days or More | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
1,604
|
1,483
|
| Total Past Due 30 Days or More | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
135
|
86
|
| Total Past Due 30 Days or More | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
974
|
1,751
|
| Total Past Due 30 Days or More | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
131
|
60
|
| Total Past Due 30 Days or More | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
485
|
483
|
| Total Current or Less Than 30 Days Past Due |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 1,150,354
|
$ 1,082,031
|
| Percentage of outstandings, total outstanding |
98.67%
|
98.74%
|
| Total Current or Less Than 30 Days Past Due | Consumer |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 470,078
|
$ 459,083
|
| Total Current or Less Than 30 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
233,138
|
225,901
|
| Total Current or Less Than 30 Days Past Due | Consumer real estate | Home equity |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
26,250
|
25,490
|
| 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 |
99,645
|
100,928
|
| 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 |
110,876
|
106,613
|
| 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 |
169
|
151
|
| Total Current or Less Than 30 Days Past Due | Commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
680,276
|
622,948
|
| Total Current or Less Than 30 Days Past Due | Commercial | United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
427,598
|
385,507
|
| Total Current or Less Than 30 Days Past Due | Commercial | Non United States |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
148,572
|
137,432
|
| Total Current or Less Than 30 Days Past Due | Commercial | Commercial real estate |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
66,012
|
63,979
|
| Total Current or Less Than 30 Days Past Due | Commercial | Commercial lease financing |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
16,151
|
15,648
|
| Total Current or Less Than 30 Days Past Due | Commercial | U.S. small business commercial |
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
| Loans and leases |
$ 21,943
|
$ 20,382
|