Loans - Wholesale Loan Portfolio, Internal Risk Ratings and Gross Charge-offs (Details) - USD ($) $ in Millions |
9 Months Ended |
12 Months Ended |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
$ 1,497,159
|
$ 1,369,785
|
$ 1,408,905
|
| Loans by origination year |
|
|
|
| Total retained loans |
1,497,159
|
1,369,785
|
1,408,905
|
| Gross charge-offs by origination year |
|
|
|
| Total gross charge-offs |
8,749
|
8,941
|
|
| Wholesale |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
$ 877,256
|
764,451
|
$ 792,367
|
| % of investment-grade to total retained loans |
67.88%
|
|
68.32%
|
| % of total criticized to total retained loans |
3.37%
|
|
3.63%
|
| % of criticized nonaccrual to total retained loans |
0.48%
|
|
0.56%
|
| Loans by origination year |
|
|
|
| Total retained loans |
$ 877,256
|
764,451
|
$ 792,367
|
| Gross charge-offs by origination year |
|
|
|
| Total gross charge-offs |
688
|
$ 1,262
|
|
| Wholesale | Investment-grade |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
595,453
|
|
541,364
|
| Loans by origination year |
|
|
|
| Total retained loans |
595,453
|
|
541,364
|
| Wholesale | Total noninvestment-grade |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
281,803
|
|
251,003
|
| Loans by origination year |
|
|
|
| Total retained loans |
281,803
|
|
251,003
|
| Wholesale | Noncriticized |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
252,228
|
|
222,249
|
| Loans by origination year |
|
|
|
| Total retained loans |
252,228
|
|
222,249
|
| Wholesale | Criticized performing |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
25,373
|
|
24,356
|
| Loans by origination year |
|
|
|
| Total retained loans |
25,373
|
|
24,356
|
| Wholesale | Criticized nonaccrual |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
4,202
|
|
4,398
|
| Loans by origination year |
|
|
|
| Total retained loans |
4,202
|
|
4,398
|
| Wholesale | Secured by real estate |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
$ 167,699
|
|
$ 165,545
|
| % of investment-grade to total retained loans |
72.03%
|
|
71.81%
|
| % of total criticized to total retained loans |
6.37%
|
|
6.37%
|
| % of criticized nonaccrual to total retained loans |
0.93%
|
|
1.01%
|
| Loans by origination year |
|
|
|
| Term loans originated in 2026/2025 |
$ 21,467
|
|
$ 24,172
|
| Term loans originated in 2025/2024 |
23,534
|
|
12,472
|
| Term loans originated in 2024/2023 |
11,428
|
|
13,579
|
| Term loans originated in 2023/2022 |
11,102
|
|
34,916
|
| Term loans originated in 2022/2021 |
31,576
|
|
28,644
|
| Term loans originated prior to 2022/2021 |
64,310
|
|
48,370
|
| Revolving loans within the revolving period |
4,168
|
|
3,299
|
| Revolving loans converted to term loans |
114
|
|
93
|
| Total retained loans |
167,699
|
|
165,545
|
| Gross charge-offs by origination year |
|
|
|
| Gross charge-offs originated in 2026/2025 |
9
|
|
0
|
| Gross charge-offs originated in 2025/2024 |
0
|
|
54
|
| Gross charge-offs originated in 2024/2023 |
0
|
|
13
|
| Gross charge-offs originated in 2023/2022 |
6
|
|
92
|
| Gross charge-offs originated in 2022/2021 |
21
|
|
119
|
| Gross charge-offs originated prior to 2022/2021 |
59
|
|
141
|
| Gross charge-offs originated within the revolving period |
0
|
|
1
|
| Gross charge-offs originated converted to term loans |
0
|
|
0
|
| Total gross charge-offs |
95
|
|
420
|
| Wholesale | Secured by real estate | Investment-grade |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
120,791
|
|
118,875
|
| Loans by origination year |
|
|
|
| Term loans originated in 2026/2025 |
15,888
|
|
17,242
|
| Term loans originated in 2025/2024 |
17,328
|
|
9,440
|
| Term loans originated in 2024/2023 |
8,702
|
|
9,187
|
| Term loans originated in 2023/2022 |
7,969
|
|
22,472
|
| Term loans originated in 2022/2021 |
21,225
|
|
22,019
|
| Term loans originated prior to 2022/2021 |
48,153
|
|
37,392
|
| Revolving loans within the revolving period |
1,492
|
|
1,123
|
| Revolving loans converted to term loans |
34
|
|
0
|
| Total retained loans |
120,791
|
|
118,875
|
| Wholesale | Secured by real estate | Total noninvestment-grade |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
46,908
|
|
46,670
|
| Loans by origination year |
|
|
|
| Term loans originated in 2026/2025 |
5,579
|
|
6,930
|
| Term loans originated in 2025/2024 |
6,206
|
|
3,032
|
| Term loans originated in 2024/2023 |
2,726
|
|
4,392
|
| Term loans originated in 2023/2022 |
3,133
|
|
12,444
|
| Term loans originated in 2022/2021 |
10,351
|
|
6,625
|
| Term loans originated prior to 2022/2021 |
16,157
|
|
10,978
|
| Revolving loans within the revolving period |
2,676
|
|
2,176
|
| Revolving loans converted to term loans |
80
|
|
93
|
| Total retained loans |
46,908
|
|
46,670
|
| Wholesale | Secured by real estate | Noncriticized |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
36,232
|
|
36,120
|
| Loans by origination year |
|
|
|
| Total retained loans |
36,232
|
|
36,120
|
| Wholesale | Secured by real estate | Criticized performing |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
9,122
|
|
8,872
|
| Loans by origination year |
|
|
|
| Total retained loans |
9,122
|
|
8,872
|
| Wholesale | Secured by real estate | Criticized nonaccrual |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
$ 1,554
|
|
$ 1,678
|
| % of criticized nonaccrual to total retained loans |
0.93%
|
|
1.01%
|
| Loans by origination year |
|
|
|
| Total retained loans |
$ 1,554
|
|
$ 1,678
|
| Wholesale | Commercial and industrial |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
$ 200,487
|
|
$ 174,403
|
| % of investment-grade to total retained loans |
39.16%
|
|
38.38%
|
| % of total criticized to total retained loans |
8.19%
|
|
8.37%
|
| % of criticized nonaccrual to total retained loans |
1.11%
|
|
1.12%
|
| Loans by origination year |
|
|
|
| Term loans originated in 2026/2025 |
$ 43,908
|
|
$ 49,092
|
| Term loans originated in 2025/2024 |
35,445
|
|
18,794
|
| Term loans originated in 2024/2023 |
12,113
|
|
8,967
|
| Term loans originated in 2023/2022 |
6,995
|
|
9,952
|
| Term loans originated in 2022/2021 |
5,085
|
|
3,842
|
| Term loans originated prior to 2022/2021 |
4,043
|
|
2,050
|
| Revolving loans within the revolving period |
92,635
|
|
81,605
|
| Revolving loans converted to term loans |
263
|
|
101
|
| Total retained loans |
200,487
|
|
174,403
|
| Gross charge-offs by origination year |
|
|
|
| Gross charge-offs originated in 2026/2025 |
1
|
|
43
|
| Gross charge-offs originated in 2025/2024 |
122
|
|
64
|
| Gross charge-offs originated in 2024/2023 |
32
|
|
11
|
| Gross charge-offs originated in 2023/2022 |
33
|
|
151
|
| Gross charge-offs originated in 2022/2021 |
22
|
|
129
|
| Gross charge-offs originated prior to 2022/2021 |
39
|
|
26
|
| Gross charge-offs originated within the revolving period |
211
|
|
461
|
| Gross charge-offs originated converted to term loans |
5
|
|
8
|
| Total gross charge-offs |
465
|
|
893
|
| Wholesale | Commercial and industrial | Investment-grade |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
78,517
|
|
66,942
|
| Loans by origination year |
|
|
|
| Term loans originated in 2026/2025 |
19,378
|
|
16,186
|
| Term loans originated in 2025/2024 |
9,568
|
|
5,418
|
| Term loans originated in 2024/2023 |
3,437
|
|
3,040
|
| Term loans originated in 2023/2022 |
2,725
|
|
4,352
|
| Term loans originated in 2022/2021 |
2,006
|
|
1,836
|
| Term loans originated prior to 2022/2021 |
1,750
|
|
1,225
|
| Revolving loans within the revolving period |
39,474
|
|
34,884
|
| Revolving loans converted to term loans |
179
|
|
1
|
| Total retained loans |
78,517
|
|
66,942
|
| Wholesale | Commercial and industrial | Total noninvestment-grade |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
121,970
|
|
107,461
|
| Loans by origination year |
|
|
|
| Term loans originated in 2026/2025 |
24,530
|
|
32,906
|
| Term loans originated in 2025/2024 |
25,877
|
|
13,376
|
| Term loans originated in 2024/2023 |
8,676
|
|
5,927
|
| Term loans originated in 2023/2022 |
4,270
|
|
5,600
|
| Term loans originated in 2022/2021 |
3,079
|
|
2,006
|
| Term loans originated prior to 2022/2021 |
2,293
|
|
825
|
| Revolving loans within the revolving period |
53,161
|
|
46,721
|
| Revolving loans converted to term loans |
84
|
|
100
|
| Total retained loans |
121,970
|
|
107,461
|
| Wholesale | Commercial and industrial | Noncriticized |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
105,556
|
|
92,856
|
| Loans by origination year |
|
|
|
| Total retained loans |
105,556
|
|
92,856
|
| Wholesale | Commercial and industrial | Criticized performing |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
14,186
|
|
12,651
|
| Loans by origination year |
|
|
|
| Total retained loans |
14,186
|
|
12,651
|
| Wholesale | Commercial and industrial | Criticized nonaccrual |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
2,228
|
|
1,954
|
| Loans by origination year |
|
|
|
| Total retained loans |
2,228
|
|
1,954
|
| Wholesale | Other |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
$ 509,070
|
|
$ 452,419
|
| % of investment-grade to total retained loans |
77.82%
|
|
78.59%
|
| % of total criticized to total retained loans |
0.49%
|
|
0.80%
|
| % of criticized nonaccrual to total retained loans |
0.08%
|
|
0.17%
|
| Loans by origination year |
|
|
|
| Term loans originated in 2026/2025 |
$ 53,409
|
|
$ 59,235
|
| Term loans originated in 2025/2024 |
35,820
|
|
19,579
|
| Term loans originated in 2024/2023 |
13,095
|
|
12,364
|
| Term loans originated in 2023/2022 |
8,590
|
|
14,917
|
| Term loans originated in 2022/2021 |
12,087
|
|
7,587
|
| Term loans originated prior to 2022/2021 |
17,988
|
|
14,320
|
| Revolving loans within the revolving period |
365,749
|
|
324,245
|
| Revolving loans converted to term loans |
2,332
|
|
172
|
| Total retained loans |
509,070
|
|
452,419
|
| Gross charge-offs by origination year |
|
|
|
| Gross charge-offs originated in 2026/2025 |
0
|
|
46
|
| Gross charge-offs originated in 2025/2024 |
0
|
|
195
|
| Gross charge-offs originated in 2024/2023 |
86
|
|
32
|
| Gross charge-offs originated in 2023/2022 |
1
|
|
2
|
| Gross charge-offs originated in 2022/2021 |
0
|
|
9
|
| Gross charge-offs originated prior to 2022/2021 |
26
|
|
58
|
| Gross charge-offs originated within the revolving period |
15
|
|
26
|
| Gross charge-offs originated converted to term loans |
0
|
|
106
|
| Total gross charge-offs |
128
|
|
474
|
| Wholesale | Other | Financial institutions |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
270,700
|
|
245,100
|
| Loans by origination year |
|
|
|
| Total retained loans |
270,700
|
|
245,100
|
| Wholesale | Other | Individuals and individual entities |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
172,200
|
|
141,100
|
| Loans by origination year |
|
|
|
| Total retained loans |
172,200
|
|
141,100
|
| Wholesale | Other | SPEs |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
6,400
|
|
7,400
|
| Loans by origination year |
|
|
|
| Total retained loans |
6,400
|
|
7,400
|
| Wholesale | Other | Investment-grade |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
396,145
|
|
355,547
|
| Loans by origination year |
|
|
|
| Term loans originated in 2026/2025 |
34,261
|
|
43,073
|
| Term loans originated in 2025/2024 |
24,130
|
|
13,123
|
| Term loans originated in 2024/2023 |
8,596
|
|
7,939
|
| Term loans originated in 2023/2022 |
5,446
|
|
10,838
|
| Term loans originated in 2022/2021 |
8,977
|
|
5,574
|
| Term loans originated prior to 2022/2021 |
14,759
|
|
11,757
|
| Revolving loans within the revolving period |
297,713
|
|
263,150
|
| Revolving loans converted to term loans |
2,263
|
|
93
|
| Total retained loans |
396,145
|
|
355,547
|
| Wholesale | Other | Total noninvestment-grade |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
112,925
|
|
96,872
|
| Loans by origination year |
|
|
|
| Term loans originated in 2026/2025 |
19,148
|
|
16,162
|
| Term loans originated in 2025/2024 |
11,690
|
|
6,456
|
| Term loans originated in 2024/2023 |
4,499
|
|
4,425
|
| Term loans originated in 2023/2022 |
3,144
|
|
4,079
|
| Term loans originated in 2022/2021 |
3,110
|
|
2,013
|
| Term loans originated prior to 2022/2021 |
3,229
|
|
2,563
|
| Revolving loans within the revolving period |
68,036
|
|
61,095
|
| Revolving loans converted to term loans |
69
|
|
79
|
| Total retained loans |
112,925
|
|
96,872
|
| Wholesale | Other | Noncriticized |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
110,440
|
|
93,273
|
| Loans by origination year |
|
|
|
| Total retained loans |
110,440
|
|
93,273
|
| Wholesale | Other | Criticized performing |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
2,065
|
|
2,833
|
| Loans by origination year |
|
|
|
| Total retained loans |
2,065
|
|
2,833
|
| Wholesale | Other | Criticized nonaccrual |
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
| Total retained loans |
420
|
|
766
|
| Loans by origination year |
|
|
|
| Total retained loans |
$ 420
|
|
$ 766
|