Arrangements with Off-Balance Sheet Risk - Narrative (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
May 31, 2026 |
Dec. 31, 2025 |
|---|---|---|---|
| Contingent repurchase commitments | |||
| Guarantor Obligations [Line Items] | |||
| Guarantor obligations, current carrying value | |||
| Credit guarantees | |||
| Guarantor Obligations [Line Items] | |||
| Guarantor obligations, current carrying value | $ 34 | $ 500 | $ 14 |
| Minimum | Contingent repurchase commitments | |||
| Guarantor Obligations [Line Items] | |||
| Guarantor obligations, repurchase commitment, period post delivery | 10 years | ||
| Maximum | Contingent repurchase commitments | |||
| Guarantor Obligations [Line Items] | |||
| Guarantor obligations, repurchase commitment, period post delivery | 15 years |