v3.26.3
JPMorgan Investor Balanced Fund Expense Example - R2 R3 R4 R5 Shares [Member] - JPMorgan Investor Balanced Fund
Jun. 30, 2026
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 120
Expense Example, with Redemption, 3 Years 375
Expense Example, with Redemption, 5 Years 649
Expense Example, with Redemption, 10 Years 1,432
Class R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 95
Expense Example, with Redemption, 3 Years 296
Expense Example, with Redemption, 5 Years 515
Expense Example, with Redemption, 10 Years 1,143
Class R4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 69
Expense Example, with Redemption, 3 Years 218
Expense Example, with Redemption, 5 Years 379
Expense Example, with Redemption, 10 Years 847
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 54
Expense Example, with Redemption, 3 Years 170
Expense Example, with Redemption, 5 Years 296
Expense Example, with Redemption, 10 Years $ 665