v3.26.1
JPMorgan Short-Intermediate Municipal Bond Fund Expense Example - A C I Shares [Member] - JPMorgan Short-Intermediate Municipal Bond Fund
Feb. 28, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 295
Expense Example, with Redemption, 3 Years 480
Expense Example, with Redemption, 5 Years 680
Expense Example, with Redemption, 10 Years 1,258
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 222
Expense Example, with Redemption, 3 Years 428
Expense Example, with Redemption, 5 Years 755
Expense Example, with Redemption, 10 Years 1,533
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 26
Expense Example, with Redemption, 3 Years 161
Expense Example, with Redemption, 5 Years 309
Expense Example, with Redemption, 10 Years $ 739