Janus Henderson Flexible Bond 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 |
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| Bloomberg U.S. Aggregate Bond Index (reflects no deduction for expenses, fees, or taxes)[Member] | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 7.30% | (0.36%) | 2.01% | ||
| Class D | After Taxes on Distributions | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 5.54% | (1.65%) | 1.02% | ||
| Class D | After Taxes on Distributions and Sales | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | [1] | 4.47% | (0.77%) | 1.23% | |
| Class D | Return Before Taxes[Member] | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 7.61% | (0.17%) | 2.38% | ||
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