v3.25.3
JPMorgan SmartRetirement 2025 Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan SmartRetirement 2025 Fund
Jun. 30, 2025
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 112
Expense Example, with Redemption, 3 Years 354
Expense Example, with Redemption, 5 Years 615
Expense Example, with Redemption, 10 Years 1,361
Class R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 87
Expense Example, with Redemption, 3 Years 276
Expense Example, with Redemption, 5 Years 480
Expense Example, with Redemption, 10 Years 1,071
Class R4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 61
Expense Example, with Redemption, 3 Years 197
Expense Example, with Redemption, 5 Years 344
Expense Example, with Redemption, 10 Years 772
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 46
Expense Example, with Redemption, 3 Years 149
Expense Example, with Redemption, 5 Years 261
Expense Example, with Redemption, 10 Years 590
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 36
Expense Example, with Redemption, 3 Years 117
Expense Example, with Redemption, 5 Years 206
Expense Example, with Redemption, 10 Years $ 466