Finance Receivables and Loans, Net - Schedule of Purchases of Financing Receivables and Loans (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Total purchases of finance receivables and loans | $ 2,196 | $ 1,235 | $ 3,820 | $ 1,992 |
| Consumer | Consumer automotive | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Total purchases of finance receivables and loans | 2,196 | 1,235 | 3,818 | 1,984 |
| Consumer | Consumer mortgage | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Total purchases of finance receivables and loans | 0 | 0 | 0 | 8 |
| Commercial | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Total purchases of finance receivables and loans | $ 0 | $ 0 | $ 2 | $ 0 |