v3.26.1
JPMorgan Prime Money Market Fund Expense Example - Academy Shares [Member] - JPMorgan Prime Money Market Fund - Academy
Feb. 28, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 17
Expense Example, with Redemption, 3 Years 55
Expense Example, with Redemption, 5 Years 96
Expense Example, with Redemption, 10 Years $ 217