JPMorgan New York Municipal Money Market Fund Annual Fund Operating Expenses - Reserve Shares [Member] - JPMorgan New York Municipal Money Market Fund - Reserve |
Feb. 28, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.08% |
| Distribution and Service (12b-1) Fees | 0.25% |
| Component1 Other Expenses | 0.30% |
| Component2 Other Expenses | 0.07% |
| Other Expenses (as a percentage of Assets): | 0.37% |
| Expenses (as a percentage of Assets) | 0.70% |