v3.26.3
JPMorgan SMID Cap Equity Fund Expense Example, No Redemption - A C I Shares [Member] - JPMorgan SMID Cap Equity Fund
Jun. 30, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 630
Expense Example, No Redemption, 3 Years 884
Expense Example, No Redemption, 5 Years 1,157
Expense Example, No Redemption, 10 Years 1,934
Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 162
Expense Example, No Redemption, 3 Years 533
Expense Example, No Redemption, 5 Years 930
Expense Example, No Redemption, 10 Years 1,907
Class I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 86
Expense Example, No Redemption, 3 Years 296
Expense Example, No Redemption, 5 Years 524
Expense Example, No Redemption, 10 Years $ 1,178