v3.26.3
JPMorgan Small Cap Growth Fund Investment Objectives and Goals - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan Small Cap Growth Fund
Jun. 30, 2026
Prospectus [Line Items]  
Risk/Return [Heading] <span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">Class/Ticker: R2/JSGZX; R3/JGRQX; R4/JGLYX; R5/JGSVX; R6/JGSMX</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 long-term capital growth primarily by investing in a portfolio of equity securities of small-capitalization and emerging growth companies.