Fees and Expenses - American Century ETF Trust |
Jan. 01, 2026 |
|---|---|
| American Century Core Plus Income ETF | |
| Prospectus [Line Items] | |
| Expense Heading [Optional Text] | Fees and Expenses |
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold, and sell shares of the fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.
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| Expenses Restated to Reflect Current [Text] | The management fee has been restated to reflect the decrease in the management fee schedule effective September 14, 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) |
| Expense Example [Heading] | Example |
| Expense Example Narrative [Text Block] | The example below is intended to help you compare the costs of investing in the fund with the costs of investing in other funds. |
| Expense Example by, Year, Caption [Text] | The example assumes that you invest $10,000 in the fund for the time periods indicated and then redeem all of your shares at the end of those periods, that you earn a 5% return each year, and that the fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: |
| Portfolio Turnover [Heading] | Portfolio Turnover |
| Portfolio Turnover [Text Block] | The fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the fund’s performance. During the most recent fiscal year, the fund’s portfolio turnover rate was 163% of the average value of its portfolio.
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| Portfolio Turnover, Rate | 163.00% |
| American Century Ultrashort Income ETF | |
| Prospectus [Line Items] | |
| Expense Heading [Optional Text] | Fees and Expenses |
| Expense Narrative [Text Block] | The following table describes the fees and expenses you may pay if you buy, hold, and sell shares of the fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.
|
| 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) |
| Expense Example [Heading] | Example |
| Expense Example Narrative [Text Block] | The example below is intended to help you compare the costs of investing in the fund with the costs of investing in other funds. |
| Expense Example by, Year, Caption [Text] | The example assumes that you invest $10,000 in the fund for the time periods indicated and then redeem all of your shares at the end of those periods, that you earn a 5% return each year, and that the fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be: |
| Portfolio Turnover [Heading] | Portfolio Turnover |
| Portfolio Turnover [Text Block] | The fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the fund’s performance. During the most recent fiscal year, the fund’s portfolio turnover rate was 89% of the average value of its portfolio.
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| Portfolio Turnover, Rate | 89.00% |