v3.26.3
JPMorgan Small Cap Value Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan Small Cap Value Fund
Jun. 30, 2026
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 143
Expense Example, with Redemption, 3 Years 488
Expense Example, with Redemption, 5 Years 856
Expense Example, with Redemption, 10 Years 1,893
Class R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 117
Expense Example, with Redemption, 3 Years 397
Expense Example, with Redemption, 5 Years 699
Expense Example, with Redemption, 10 Years 1,555
Class R4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 92
Expense Example, with Redemption, 3 Years 351
Expense Example, with Redemption, 5 Years 631
Expense Example, with Redemption, 10 Years 1,428
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 77
Expense Example, with Redemption, 3 Years 266
Expense Example, with Redemption, 5 Years 470
Expense Example, with Redemption, 10 Years 1,061
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 66
Expense Example, with Redemption, 3 Years 232
Expense Example, with Redemption, 5 Years 412
Expense Example, with Redemption, 10 Years $ 932