v3.26.1
JPMorgan Liquid Assets Money Market Fund Expense Example - Reserve Shares [Member] - JPMorgan Liquid Assets Money Market Fund - Reserve
Feb. 28, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 70
Expense Example, with Redemption, 3 Years 221
Expense Example, with Redemption, 5 Years 384
Expense Example, with Redemption, 10 Years $ 859