v3.26.3
JPMorgan SmartRetirement 2065 Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan SmartRetirement 2065 Fund
Jun. 30, 2026
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 116
Expense Example, with Redemption, 3 Years 409
Expense Example, with Redemption, 5 Years 724
Expense Example, with Redemption, 10 Years 1,616
Class R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 91
Expense Example, with Redemption, 3 Years 380
Expense Example, with Redemption, 5 Years 691
Expense Example, with Redemption, 10 Years 1,573
Class R4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 65
Expense Example, with Redemption, 3 Years 293
Expense Example, with Redemption, 5 Years 540
Expense Example, with Redemption, 10 Years 1,246
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 50
Expense Example, with Redemption, 3 Years 203
Expense Example, with Redemption, 5 Years 369
Expense Example, with Redemption, 10 Years 851
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 40
Expense Example, with Redemption, 3 Years 171
Expense Example, with Redemption, 5 Years 314
Expense Example, with Redemption, 10 Years $ 730