v3.25.3
Expense Example - Digital Shares [Member] - JPMorgan U.S. Government Money Market Fund - Digital
Aug. 31, 2025
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 18
Expense Example, with Redemption, 3 Years 58
Expense Example, with Redemption, 5 Years 101
Expense Example, with Redemption, 10 Years $ 230