Expense Example - American Century ETF Trust - American Century Diversified Municipal Bond ETF Series - American Century Diversified Municipal Bond ETF Class |
Jan. 01, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 26 |
| Expense Example, with Redemption, 3 Years | 81 |
| Expense Example, with Redemption, 5 Years | 141 |
| Expense Example, with Redemption, 10 Years | $ 319 |