v3.26.3
ALLOWANCE FOR CREDIT LOSSES - Narrative (Details) - USD ($)
Sep. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]            
Payments allocated to future purchase activity $ 0          
Allowance for credit loss $ 2,096,000,000 $ 2,075,000,000 $ 2,106,000,000 $ 2,070,000,000 $ 2,098,000,000 $ 2,241,000,000
Portfolio reserve rates 11.12% 11.23% 11.20%      
Other Loans            
Financing Receivable, Allowance for Credit Loss [Line Items]            
Allowance for credit loss $ 53,000,000   $ 26,000,000