v3.25.3
JPMorgan SmartRetirement Blend 2025 Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan SmartRetirement Blend 2025 Fund
Jun. 30, 2025
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 94
Expense Example, with Redemption, 3 Years 336
Expense Example, with Redemption, 5 Years 598
Expense Example, with Redemption, 10 Years 1,345
Class R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 258
Expense Example, with Redemption, 5 Years 463
Expense Example, with Redemption, 10 Years 1,054
Class R4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 43
Expense Example, with Redemption, 3 Years 178
Expense Example, with Redemption, 5 Years 326
Expense Example, with Redemption, 10 Years 755
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 28
Expense Example, with Redemption, 3 Years 131
Expense Example, with Redemption, 5 Years 243
Expense Example, with Redemption, 10 Years 572
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 17
Expense Example, with Redemption, 3 Years 99
Expense Example, with Redemption, 5 Years 188
Expense Example, with Redemption, 10 Years $ 448