v3.26.3
JPMorgan SmartRetirement 2035 Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan SmartRetirement 2035 Fund
Jun. 30, 2026
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 115
Expense Example, with Redemption, 3 Years 363
Expense Example, with Redemption, 5 Years 631
Expense Example, with Redemption, 10 Years 1,396
Class R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 90
Expense Example, with Redemption, 3 Years 285
Expense Example, with Redemption, 5 Years 497
Expense Example, with Redemption, 10 Years 1,106
Class R4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 64
Expense Example, with Redemption, 3 Years 206
Expense Example, with Redemption, 5 Years 360
Expense Example, with Redemption, 10 Years 809
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 49
Expense Example, with Redemption, 3 Years 156
Expense Example, with Redemption, 5 Years 273
Expense Example, with Redemption, 10 Years 615
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 39
Expense Example, with Redemption, 3 Years 124
Expense Example, with Redemption, 5 Years 218
Expense Example, with Redemption, 10 Years $ 492