v3.26.1
Loan Servicing Activities - Narrative (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Guarantor Obligations [Line Items]      
Restricted cash $ 73 $ 71 $ 63
Non-contingent stand-ready liability      
Guarantor Obligations [Line Items]      
Guarantee liability $ 21 $ 18