v3.26.3
JPMorgan Growth Advantage Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan Growth Advantage Fund
Jun. 30, 2026
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 127
Expense Example, with Redemption, 3 Years 416
Expense Example, with Redemption, 5 Years 725
Expense Example, with Redemption, 10 Years 1,605
Class R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 102
Expense Example, with Redemption, 3 Years 336
Expense Example, with Redemption, 5 Years 588
Expense Example, with Redemption, 10 Years 1,310
Class R4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 77
Expense Example, with Redemption, 3 Years 255
Expense Example, with Redemption, 5 Years 448
Expense Example, with Redemption, 10 Years 1,007
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 61
Expense Example, with Redemption, 3 Years 207
Expense Example, with Redemption, 5 Years 366
Expense Example, with Redemption, 10 Years 828
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 51
Expense Example, with Redemption, 3 Years 176
Expense Example, with Redemption, 5 Years 311
Expense Example, with Redemption, 10 Years $ 707