v3.26.3
JPMorgan US Large Cap Core Plus Fund Expense Example - R2 R5 R6 Shares [Member] - JPMorgan US Large Cap Core Plus Fund
Jun. 30, 2026
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 204
Expense Example, with Redemption, 3 Years 655
Expense Example, with Redemption, 5 Years 1,133
Expense Example, with Redemption, 10 Years 2,453
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 139
Expense Example, with Redemption, 3 Years 455
Expense Example, with Redemption, 5 Years 793
Expense Example, with Redemption, 10 Years 1,749
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 130
Expense Example, with Redemption, 3 Years 427
Expense Example, with Redemption, 5 Years 746
Expense Example, with Redemption, 10 Years $ 1,649