Expense Example - American Century ETF Trust - American Century Mid Cap Growth Insights ETF Series - American Century Mid Cap Growth Insights ETF Class |
Jan. 01, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 40 |
| Expense Example, with Redemption, 3 Years | 126 |
| Expense Example, with Redemption, 5 Years | 219 |
| Expense Example, with Redemption, 10 Years | $ 493 |