v3.25.3
JPMorgan SmartRetirement 2030 Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan SmartRetirement 2030 Fund
Jun. 30, 2025
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 112
Expense Example, with Redemption, 3 Years 352
Expense Example, with Redemption, 5 Years 611
Expense Example, with Redemption, 10 Years 1,351
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 194
Expense Example, with Redemption, 5 Years 339
Expense Example, with Redemption, 10 Years 761
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 46
Expense Example, with Redemption, 3 Years 147
Expense Example, with Redemption, 5 Years 257
Expense Example, with Redemption, 10 Years 578
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 36
Expense Example, with Redemption, 3 Years 115
Expense Example, with Redemption, 5 Years 201
Expense Example, with Redemption, 10 Years $ 455