v3.25.4
Annual Fund Operating Expenses
Feb. 27, 2026
Janus Henderson Transformational Growth ETF | Janus Henderson Transformational Growth ETF Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.57%
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.57%
Janus Henderson Asset-Backed Securities ETF  
Prospectus [Line Items]  
Fee Waiver or Reimbursement over Assets, Date of Termination February 28, 2028
Janus Henderson Asset-Backed Securities ETF | Janus Henderson Asset-Backed Securities ETF Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.33%
Other Expenses (as a percentage of Assets): 0.00% [1]
Acquired Fund Fees and Expenses 0.01% [2]
Expenses (as a percentage of Assets) 0.34%
Fee Waiver or Reimbursement 0.01% [3]
Net Expenses (as a percentage of Assets) 0.33% [3]
Janus Henderson AAA CLO ETF | Janus Henderson AAA CLO ETF Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.20%
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.20%
Janus Henderson B-BBB CLO ETF | Janus Henderson B-BBB CLO ETF Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.46%
Other Expenses (as a percentage of Assets): 0.00%
Acquired Fund Fees and Expenses 0.01% [4]
Expenses (as a percentage of Assets) 0.47%
Janus Henderson Corporate Bond ETF  
Prospectus [Line Items]  
Fee Waiver or Reimbursement over Assets, Date of Termination February 28, 2027
Janus Henderson Corporate Bond ETF | Janus Henderson Corporate Bond ETF Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.35%
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.35%
Fee Waiver or Reimbursement 0.15% [5]
Net Expenses (as a percentage of Assets) 0.20% [5]
Janus Henderson Emerging Markets Debt Hard Currency ETF | Janus Henderson Corporate Bond ETF Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.52%
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.52%
Janus Henderson Income ETF  
Prospectus [Line Items]  
Fee Waiver or Reimbursement over Assets, Date of Termination February 28, 2028
Janus Henderson Income ETF | Janus Henderson Income ETF Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.52%
Other Expenses (as a percentage of Assets): 0.00%
Acquired Fund Fees and Expenses 0.04% [6]
Expenses (as a percentage of Assets) 0.56%
Fee Waiver or Reimbursement 0.02% [7]
Net Expenses (as a percentage of Assets) 0.54% [7]
Janus Henderson Mortgage-Backed Securities ETF | Janus Henderson Mortgage-Backed Securities ETF Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.21%
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.21%
Janus Henderson Securitized Income ETF  
Prospectus [Line Items]  
Fee Waiver or Reimbursement over Assets, Date of Termination February 28, 2028
Janus Henderson Securitized Income ETF | Janus Henderson Securitized Income ETF Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.49%
Other Expenses (as a percentage of Assets): 0.00%
Acquired Fund Fees and Expenses 0.02% [8]
Expenses (as a percentage of Assets) 0.51%
Fee Waiver or Reimbursement 0.01% [9]
Net Expenses (as a percentage of Assets) 0.50% [9]
Janus Henderson Short Duration Income ETF | Janus Henderson Short Duration Income ETF Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.23%
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.23%
Janus Henderson Global Artificial Intelligence ETF | Janus Henderson Global Artificial Intelligence ETF Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.59%
Other Expenses (as a percentage of Assets): 0.00% [10]
Expenses (as a percentage of Assets) 0.59%
Janus Henderson U.S. Real Estate ETF | Janus Henderson U.S. Real Estate ETF  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.65%
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.65%
Janus Henderson Mid Cap Growth Alpha ETF | Janus Henderson Mid Cap Growth Alpha ETF Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.30%
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.30%
Janus Henderson Small Cap Growth Alpha ETF | Janus Henderson Small Cap Growth Alpha ETF Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.30%
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.30%
Janus Henderson Small/Mid Cap Growth Alpha ETF | Janus Henderson Small/Mid Cap Growth Alpha ETF Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.30%
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.30%
[1] Other Expenses are based on the estimated expenses that the Fund expects to incur during the current fiscal year.
[2] Acquired Fund Fees and Expenses are indirect fees and expenses that the Fund incurs from investing in other investment companies. To the extent that the Fund invests in Acquired Funds, the Fund’s “Total Annual Fund Operating Expenses” may not correlate to the “Ratio of gross expenses to average net assets” presented in the “Financial Highlights” table because that ratio includes only the direct operating expenses incurred by the Fund, not the indirect costs of investing in Acquired Funds.
[3] The Adviser has contractually agreed to waive and/or reimburse a portion of the Fund’s management fee in an amount equal to the management fee it earns as an investment adviser to any affiliated exchange-traded funds (“ETFs”) with respect to the Fund’s investment in such affiliated ETF, less certain operating expenses. The fee waiver agreement will remain in effect at least until February 28, 2028. The fee waiver agreement may be modified or terminated prior to this date only at the discretion of the Board of Trustees.
[4] Acquired Fund Fees and Expenses are indirect fees and expenses that the Fund incurs from investing in other investment companies. To the extent that the Fund invests in Acquired Funds, the Fund’s “Total Annual Fund Operating Expenses” may not correlate to the “Ratio of gross expenses to average net assets” presented in the “Financial Highlights” table because that ratio includes only the direct operating expenses incurred by the Fund, not the indirect costs of investing in Acquired Funds. 
[5] The Adviser has contractually agreed to waive and/or reimburse its Management Fee to the extent that the Fund’s total annual fund operating expenses (excluding distribution fees (if any), brokerage expenses or commissions, interest, dividends, taxes, litigation expenses, acquired fund fees and expenses (if any), and other extraordinary expenses not incurred in the ordinary course of the Fund’s business) exceed 0.20% until at least
[6] Acquired Fund Fees and Expenses are indirect fees and expenses that the Fund incurs from investing in other investment companies. To the extent that the Fund invests in Acquired Funds, the Fund’s “Total Annual Fund Operating Expenses” may not correlate to the “Ratio of gross expenses to average net assets” presented in the “Financial Highlights” table because that ratio includes only the direct operating expenses incurred by the Fund, not the indirect costs of investing in Acquired Funds.
[7] The Adviser has contractually agreed to waive and/or reimburse a portion of the Fund’s management fee in an amount equal to the management fee it earns as an investment adviser to any affiliated exchange-traded funds (“ETFs”) with respect to the Fund’s investment in such affiliated ETF, less certain operating expenses. The fee waiver agreement will remain in effect at least through
[8] “Acquired Fund” refers to any underlying fund (including, but not limited to, exchange-traded funds) in which the Fund invests or has invested during the period. Acquired fund fees and expenses are indirect expenses the Fund incurs as a result of investing in shares of an underlying fund. The Fund’s “Total Annual Fund Operating Expenses” may not correlate to the “Ratio of gross expenses to average net assets” presented in the Financial Highlights table because that ratio includes only the direct operating expenses incurred by the Fund, not the indirect costs of investing in Acquired Funds.
[9] The Adviser has contractually agreed to waive and/or reimburse a portion of the Fund’s management fee in an amount equal to the management fee it earns as an investment adviser to any affiliated exchange-traded funds (“ETFs”) with respect to the Fund’s investment in such affiliated ETF, less certain operating expenses. The fee waiver agreement will remain in effect at least until
[10] Other Expenses are based on the estimated expenses that the Fund expects to incur during the current fiscal year.