v3.26.1
JPMorgan U.S. Government Money Market Fund Expense Example - Digital Shares [Member] - JPMorgan U.S. Government Money Market Fund - Digital
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