v3.26.1
Loan Portfolio (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans $ 106,541 $ 104,260
Accrued interest 459 456
Asset Pledged as Collateral | Federal Home Loan Bank advances    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 71,000 67,500
Discontinued operations | Education Lending    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 205 257
Total commercial loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 76,509 71,891
Accrued interest 338 322
Total commercial loans | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 57,688 52,909
Total commercial loans | Commercial and Industrial | Collateral pledged    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans   211
Total commercial loans | Real estate — commercial mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 13,707 13,310
Total commercial loans | Real estate — construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 2,844 2,936
Total commercial loans | Total commercial real estate loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 16,551 16,246
Total commercial loans | Commercial lease financing    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 2,270 2,736
Total commercial loans | Commercial lease financing | Collateral pledged    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 1 3
Total commercial loans | Commercial credit card    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 205 212
Total consumer loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 30,032 32,369
Accrued interest 121 134
Total consumer loans | Real estate — residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 18,732 19,886
Total consumer loans | Home equity loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 5,703 6,358
Total consumer loans | Other consumer loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 4,644 5,167
Total consumer loans | Credit cards    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans 953 958
Total consumer loans | Commercial credit card    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total loans $ 953 $ 958