v3.26.3
JPMorgan SmartRetirement Blend 2035 Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan SmartRetirement Blend 2035 Fund
Jun. 30, 2026
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 94
Expense Example, with Redemption, 3 Years 347
Expense Example, with Redemption, 5 Years 620
Expense Example, with Redemption, 10 Years 1,398
Class R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 262
Expense Example, with Redemption, 5 Years 472
Expense Example, with Redemption, 10 Years 1,076
Class R4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 43
Expense Example, with Redemption, 3 Years 183
Expense Example, with Redemption, 5 Years 335
Expense Example, with Redemption, 10 Years 777
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 28
Expense Example, with Redemption, 3 Years 135
Expense Example, with Redemption, 5 Years 252
Expense Example, with Redemption, 10 Years 595
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 17
Expense Example, with Redemption, 3 Years 103
Expense Example, with Redemption, 5 Years 197
Expense Example, with Redemption, 10 Years $ 471