Finance Receivables - Schedule of Modified Financing Receivables Financial Effects (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Personal Loans | ||||
| Financing Receivable, Modified [Line Items] | ||||
| Weighted-average interest rate reduction | 21.50% | 18.41% | 21.26% | 17.28% |
| Weighted-average term extension (months) | 29 months | 24 months | 30 months | 24 months |
| Principal/interest forgiveness | $ 11 | $ 9 | $ 20 | $ 16 |
| Auto Finance | ||||
| Financing Receivable, Modified [Line Items] | ||||
| Weighted-average interest rate reduction | 13.42% | 13.40% | 13.92% | 13.17% |
| Weighted-average term extension (months) | 17 months | 15 months | 18 months | 15 months |
| Principal/interest forgiveness | $ 0 | $ 0 | $ 1 | $ 0 |