v3.25.4
Janus Henderson Low Duration Multi-Sector Income Fund Expense Example, No Redemption - Class A C S I N R T Shares [Member] - Janus Henderson Low Duration Multi-Sector Income Fund
Dec. 31, 2025
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 543
Expense Example, No Redemption, 3 Years 840
Expense Example, No Redemption, 5 Years 1,157
Expense Example, No Redemption, 10 Years 2,057
Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 148
Expense Example, No Redemption, 3 Years 626
Expense Example, No Redemption, 5 Years 1,132
Expense Example, No Redemption, 10 Years 2,317
Class S  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 91
Expense Example, No Redemption, 3 Years 622
Expense Example, No Redemption, 5 Years 1,181
Expense Example, No Redemption, 10 Years 2,705
Class I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 46
Expense Example, No Redemption, 3 Years 300
Expense Example, No Redemption, 5 Years 574
Expense Example, No Redemption, 10 Years 1,356
Class N  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 41
Expense Example, No Redemption, 3 Years 404
Expense Example, No Redemption, 5 Years 792
Expense Example, No Redemption, 10 Years 1,880
Class R  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 116
Expense Example, No Redemption, 3 Years 688
Expense Example, No Redemption, 5 Years 1,286
Expense Example, No Redemption, 10 Years 2,908
Class T  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 65
Expense Example, No Redemption, 3 Years 368
Expense Example, No Redemption, 5 Years 693
Expense Example, No Redemption, 10 Years $ 1,614