Off-balance Sheet Lending-related Financial Instruments, Guarantees, and Other Commitments - Schedule of Derivatives Qualifying as Guarantees (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Notional amounts | ||
| Stable value contracts with contractually limited exposure | $ 65,792,000 | $ 50,642,000 |
| JPMorgan Chase Financial Company LLC | ||
| Fair value | ||
| Direct-owned finance subsidiary ownership | 100.00% | |
| Derivatives qualifying as guarantees | ||
| Notional amounts | ||
| Derivative guarantees | $ 52,889 | 49,031 |
| Stable value contracts with contractually limited exposure | 35,673 | 35,462 |
| Maximum exposure of stable value contracts with contractually limited exposure | 792 | 1,312 |
| Fair value | ||
| Derivative guarantees | $ 212 | $ (12) |