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JPMorgan Ultra-Short Municipal Fund Investment Objectives and Goals - A I Shares [Member] - JPMorgan Ultra-Short Municipal Fund
Feb. 28, 2026
Prospectus [Line Items]  
Risk/Return [Heading] <span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">Class/Ticker: A/USMSX; I/USMTX</span>
Objective [Heading] <span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">What is the goal of the Fund?</span>
Objective, Primary [Text Block] The Fund seeks as high a level of current income exempt from federal income tax as is consistent with relative stability of principal.