v3.26.3
JPMorgan Mid Cap Value Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan Mid Cap Value Fund
Jun. 30, 2026
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 137
Expense Example, with Redemption, 3 Years 453
Expense Example, with Redemption, 5 Years 791
Expense Example, with Redemption, 10 Years 1,747
Class R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 112
Expense Example, with Redemption, 3 Years 369
Expense Example, with Redemption, 5 Years 646
Expense Example, with Redemption, 10 Years 1,435
Class R4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 87
Expense Example, with Redemption, 3 Years 291
Expense Example, with Redemption, 5 Years 511
Expense Example, with Redemption, 10 Years 1,146
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 72
Expense Example, with Redemption, 3 Years 243
Expense Example, with Redemption, 5 Years 430
Expense Example, with Redemption, 10 Years 970
Class R6  
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