Janus Henderson Money Market Fund Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Class D Shares [Member] | Class D | Return Before Taxes[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.01% | 2.92% | 1.84% |