JPMorgan Equity Index Fund Expense Example - A C I Shares [Member] - JPMorgan Equity Index Fund |
Jun. 30, 2026
USD ($)
|
|---|---|
| Class A | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 569 |
| Expense Example, with Redemption, 3 Years | 699 |
| Expense Example, with Redemption, 5 Years | 841 |
| Expense Example, with Redemption, 10 Years | 1,254 |
| Class C | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 214 |
| Expense Example, with Redemption, 3 Years | 356 |
| Expense Example, with Redemption, 5 Years | 617 |
| Expense Example, with Redemption, 10 Years | 1,226 |
| Class I | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 20 |
| Expense Example, with Redemption, 3 Years | 102 |
| Expense Example, with Redemption, 5 Years | 191 |
| Expense Example, with Redemption, 10 Years | $ 451 |