v3.25.2
Form N-1A Cover
Jul. 09, 2025
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name American Century ETF Trust
Entity Central Index Key 0001710607
Entity Investment Company Type N-1A
Document Period End Date Jul. 08, 2025
Prospectus Date Jul. 09, 2025