v3.26.1
Annual Fund Operating Expenses - American Century ETF Trust - American Century Multisector Floating Income ETF Series - American Century Multisector Floating Income ETF Class
Jan. 01, 2026
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.19% [1]
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.19%
[1] The management fee has been restated to reflect the decrease in the management fee schedule effective August 1, 2026.