Fees and Expenses - American Century ETF Trust - American Century California Municipal Bond ETF Series |
Jan. 01, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Expenses Restated to Reflect Current [Text] | The management fee has been restated to reflect the decrease in the management fee schedule effective August 1, 2026. |
| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) |