v3.26.3
JPMorgan US Equity Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan US Equity Fund
Jun. 30, 2026
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 121
Expense Example, with Redemption, 3 Years 382
Expense Example, with Redemption, 5 Years 663
Expense Example, with Redemption, 10 Years 1,464
Class R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 96
Expense Example, with Redemption, 3 Years 304
Expense Example, with Redemption, 5 Years 529
Expense Example, with Redemption, 10 Years 1,176
Class R4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 70
Expense Example, with Redemption, 3 Years 223
Expense Example, with Redemption, 5 Years 389
Expense Example, with Redemption, 10 Years 870
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 55
Expense Example, with Redemption, 3 Years 175
Expense Example, with Redemption, 5 Years 306
Expense Example, with Redemption, 10 Years 688
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 45
Expense Example, with Redemption, 3 Years 143
Expense Example, with Redemption, 5 Years 251
Expense Example, with Redemption, 10 Years $ 566