v3.26.3
JPMorgan Value Advantage Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan Value Advantage Fund
Jun. 30, 2026
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 127
Expense Example, with Redemption, 3 Years 431
Expense Example, with Redemption, 5 Years 756
Expense Example, with Redemption, 10 Years 1,677
Class R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 102
Expense Example, with Redemption, 3 Years 348
Expense Example, with Redemption, 5 Years 614
Expense Example, with Redemption, 10 Years 1,374
Class R4  
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 R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 61
Expense Example, with Redemption, 3 Years 212
Expense Example, with Redemption, 5 Years 375
Expense Example, with Redemption, 10 Years 850
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 51
Expense Example, with Redemption, 3 Years 180
Expense Example, with Redemption, 5 Years 320
Expense Example, with Redemption, 10 Years $ 729