v3.26.3
Loans - Wholesale Loan Portfolio, Geographic Distribution and Delinquency (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Financing Receivable, Past Due [Line Items]      
Total retained loans $ 1,497,159 $ 1,408,905 $ 1,369,785
Wholesale      
Financing Receivable, Past Due [Line Items]      
Total retained loans 877,256 792,367 $ 764,451
Wholesale | Criticized nonaccrual      
Financing Receivable, Past Due [Line Items]      
Total retained loans 4,202 4,398  
Wholesale | Current and less than 30 days past due and still accruing      
Financing Receivable, Past Due [Line Items]      
Total retained loans 870,251 784,998  
Wholesale | 30–89 days past due and still accruing      
Financing Receivable, Past Due [Line Items]      
Total retained loans 2,607 2,913  
Wholesale | 90 or more days past due and still accruing      
Financing Receivable, Past Due [Line Items]      
Total retained loans 196 58  
Wholesale | Total U.S.      
Financing Receivable, Past Due [Line Items]      
Total retained loans 678,361 626,060  
Wholesale | Total non-U.S.      
Financing Receivable, Past Due [Line Items]      
Total retained loans 198,895 166,307  
Wholesale | Secured by real estate      
Financing Receivable, Past Due [Line Items]      
Total retained loans 167,699 165,545  
Wholesale | Secured by real estate | Criticized nonaccrual      
Financing Receivable, Past Due [Line Items]      
Total retained loans 1,554 1,678  
Wholesale | Secured by real estate | Current and less than 30 days past due and still accruing      
Financing Receivable, Past Due [Line Items]      
Total retained loans 165,798 163,189  
Wholesale | Secured by real estate | 30–89 days past due and still accruing      
Financing Receivable, Past Due [Line Items]      
Total retained loans 302 636  
Wholesale | Secured by real estate | 90 or more days past due and still accruing      
Financing Receivable, Past Due [Line Items]      
Total retained loans 45 42  
Wholesale | Secured by real estate | Total U.S.      
Financing Receivable, Past Due [Line Items]      
Total retained loans 164,576 162,378  
Wholesale | Secured by real estate | Total non-U.S.      
Financing Receivable, Past Due [Line Items]      
Total retained loans 3,123 3,167  
Wholesale | Commercial and industrial      
Financing Receivable, Past Due [Line Items]      
Total retained loans 200,487 174,403  
Wholesale | Commercial and industrial | Criticized nonaccrual      
Financing Receivable, Past Due [Line Items]      
Total retained loans 2,228 1,954  
Wholesale | Commercial and industrial | Current and less than 30 days past due and still accruing      
Financing Receivable, Past Due [Line Items]      
Total retained loans 197,696 171,227  
Wholesale | Commercial and industrial | 30–89 days past due and still accruing      
Financing Receivable, Past Due [Line Items]      
Total retained loans 543 1,220  
Wholesale | Commercial and industrial | 90 or more days past due and still accruing      
Financing Receivable, Past Due [Line Items]      
Total retained loans 20 2  
Wholesale | Commercial and industrial | Total U.S.      
Financing Receivable, Past Due [Line Items]      
Total retained loans 151,525 131,945  
Wholesale | Commercial and industrial | Total non-U.S.      
Financing Receivable, Past Due [Line Items]      
Total retained loans 48,962 42,458  
Wholesale | Other      
Financing Receivable, Past Due [Line Items]      
Total retained loans 509,070 452,419  
Wholesale | Other | Criticized nonaccrual      
Financing Receivable, Past Due [Line Items]      
Total retained loans 420 766  
Wholesale | Other | Current and less than 30 days past due and still accruing      
Financing Receivable, Past Due [Line Items]      
Total retained loans 506,757 450,582  
Wholesale | Other | 30–89 days past due and still accruing      
Financing Receivable, Past Due [Line Items]      
Total retained loans 1,762 1,057  
Wholesale | Other | 90 or more days past due and still accruing      
Financing Receivable, Past Due [Line Items]      
Total retained loans 131 14  
Wholesale | Other | Total U.S.      
Financing Receivable, Past Due [Line Items]      
Total retained loans 362,260 331,737  
Wholesale | Other | Total non-U.S.      
Financing Receivable, Past Due [Line Items]      
Total retained loans $ 146,810 $ 120,682