v3.26.1
JPMorgan Institutional Tax Free Money Market Fund Expense Example - Institutional Shares [Member] - JPMorgan Institutional Tax Free Money Market Fund - Institutional
Feb. 28, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 22
Expense Example, with Redemption, 3 Years 74
Expense Example, with Redemption, 5 Years 132
Expense Example, with Redemption, 10 Years $ 303