v3.26.3
BORROWINGS - Schedule of Warehouse Lines (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Balance $ 65 $ 53
Subsidiaries | Warehouse lines with Santander, maturing through October 2027 | Revolving Credit Facility With Related Parties    
Debt Instrument [Line Items]    
Balance 0  
Committed Amount $ 2,000  
Effective Rate 0.00% 4.44%
Assets Pledged $ 0  
Restricted Cash Pledged $ 36