v3.25.2
Form N-1A Cover
Aug. 05, 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. 30, 2025
Prospectus Date Aug. 05, 2025