v3.26.3
JPMorgan SmartRetirement Blend 2060 Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan SmartRetirement Blend 2060 Fund
Jun. 30, 2026
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 94
Expense Example, with Redemption, 3 Years 334
Expense Example, with Redemption, 5 Years 593
Expense Example, with Redemption, 10 Years 1,335
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 174
Expense Example, with Redemption, 5 Years 317
Expense Example, with Redemption, 10 Years 733
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 28
Expense Example, with Redemption, 3 Years 128
Expense Example, with Redemption, 5 Years 239
Expense Example, with Redemption, 10 Years 561
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 17
Expense Example, with Redemption, 3 Years 94
Expense Example, with Redemption, 5 Years 178
Expense Example, with Redemption, 10 Years $ 425