v3.26.3
JPMorgan SmartRetirement Blend 2065 Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan SmartRetirement Blend 2065 Fund
Jun. 30, 2026
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 94
Expense Example, with Redemption, 3 Years 377
Expense Example, with Redemption, 5 Years 681
Expense Example, with Redemption, 10 Years 1,545
Class R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 301
Expense Example, with Redemption, 5 Years 551
Expense Example, with Redemption, 10 Years 1,270
Class R4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 43
Expense Example, with Redemption, 3 Years 213
Expense Example, with Redemption, 5 Years 398
Expense Example, with Redemption, 10 Years 932
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 28
Expense Example, with Redemption, 3 Years 159
Expense Example, with Redemption, 5 Years 302
Expense Example, with Redemption, 10 Years 719
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 17
Expense Example, with Redemption, 3 Years 134
Expense Example, with Redemption, 5 Years 260
Expense Example, with Redemption, 10 Years $ 630