v3.26.1
Investment Objectives and Goals - American Century ETF Trust
Jan. 01, 2026
American Century Core Plus Income ETF  
Prospectus [Line Items]  
Risk/Return [Heading] American Century® Core Plus Income ETF
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The fund seeks to provide a high level of current income and total return.
American Century Ultrashort Income ETF  
Prospectus [Line Items]  
Risk/Return [Heading] American Century® Ultrashort Income ETF
Objective [Heading] Investment Objective
Objective, Primary [Text Block] The fund seeks income.
Objective, Secondary [Text Block] As a secondary objective, the fund seeks long-term capital appreciation.