Janus Henderson Adaptive Risk Managed U.S. Equity Fund Average Annual Total Returns - Class D Shares [Member] |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Russell 1000® Index (reflects no deduction for expenses, fees, or taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.37% | 13.59% | 14.59% |
| S&P 500® Minimum Volatility IndexTR (reflects no deduction for expenses, fees, or taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 11.74% | 10.27% | 11.56% |
| Class D | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 10.52% | 7.78% | 8.82% |
| Class D | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 9.42% | 7.50% | 8.34% |
| Class D | Return Before Taxes[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 13.33% | 10.67% | 11.23% |