v3.26.3
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