v3.26.3
Education Loans - Schedule of Loans Carried under Fair Value Option (Details) - In School Private Education Loans [Member]
$ in Millions
Sep. 30, 2026
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Unpaid principal balance $ 224
Purchased premium 0
Cumulative fair value adjustments 11
Total fair value of loans $ 235 [1]
[1] Accrued interest receivable of $2 million is recorded in Other Assets on the balance sheet. There are no loans that are 90 days or more delinquent.