v3.25.3
JPMorgan SmartRetirement Blend 2050 Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan SmartRetirement Blend 2050 Fund
Jun. 30, 2025
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 94
Expense Example, with Redemption, 3 Years 332
Expense Example, with Redemption, 5 Years 589
Expense Example, with Redemption, 10 Years 1,324
Class R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 251
Expense Example, with Redemption, 5 Years 449
Expense Example, with Redemption, 10 Years 1,021
Class R4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 43
Expense Example, with Redemption, 3 Years 172
Expense Example, with Redemption, 5 Years 312
Expense Example, with Redemption, 10 Years 722
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 28
Expense Example, with Redemption, 3 Years 124
Expense Example, with Redemption, 5 Years 229
Expense Example, with Redemption, 10 Years 538
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 17
Expense Example, with Redemption, 3 Years 92
Expense Example, with Redemption, 5 Years 174
Expense Example, with Redemption, 10 Years $ 414