v3.26.1
JPMorgan New York Municipal Money Market Fund Annual Fund Operating Expenses - Premier Shares [Member] - JPMorgan New York Municipal Money Market Fund - Premier
Feb. 28, 2026
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.08%
Distribution and Service (12b-1) Fees 0.00%
Component1 Other Expenses 0.30%
Component2 Other Expenses 0.05%
Other Expenses (as a percentage of Assets): 0.35%
Expenses (as a percentage of Assets) 0.43%