v3.26.3
JPMorgan Mid Cap Growth Fund Investment Objectives and Goals - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan Mid 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/JMGZX; R3/JMGPX; R4/JMGQX; R5/JMGFX; R6/JMGMX</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 growth of capital.