v3.26.3
Janus Henderson Global Allocation Fund - Moderate Expense Example - Class A C S I T Shares [Member] - Janus Henderson Global Allocation Fund - Moderate
Jun. 30, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 661
Expense Example, with Redemption, 3 Years 845
Expense Example, with Redemption, 5 Years 1,044
Expense Example, with Redemption, 10 Years 1,618
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 270
Expense Example, with Redemption, 3 Years 531
Expense Example, with Redemption, 5 Years 916
Expense Example, with Redemption, 10 Years 1,786
Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 111
Expense Example, with Redemption, 3 Years 351
Expense Example, with Redemption, 5 Years 610
Expense Example, with Redemption, 10 Years 1,350
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 69
Expense Example, with Redemption, 3 Years 220
Expense Example, with Redemption, 5 Years 383
Expense Example, with Redemption, 10 Years 858
Class T  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 86
Expense Example, with Redemption, 3 Years 270
Expense Example, with Redemption, 5 Years 470
Expense Example, with Redemption, 10 Years $ 1,048