Finance Receivables, Net- Finance Receivable Sale Activity (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Financing Receivable, after Allowance for Credit Loss [Abstract] | ||||
| Finance receivable sales - net proceeds | $ 0 | $ 103 | $ 122 | $ 214 |
| Gain on sale/Commissions | 0 | 4 | 4 | 13 |
| Servicing revenue | $ 1 | $ 1 | $ 5 | $ 4 |