Fees and Expenses - American Century Quantitative Equity Funds Prospectus |
Nov. 01, 2026
USD ($)
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| DISCIPLINED CORE EQUITY FUND | |
| 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. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in American Century Investments funds. More information about these and other discounts is available from your financial professional and in Calculation of Sales Charges on page 12 of the fund’s prospectus, Appendix A of the fund’s prospectus and Sales Charges in Appendix B of the statement of additional information.
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| Expense Breakpoint Discounts [Text] | You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in American Century Investments funds. |
| Expense Breakpoint, Minimum Investment Required [Amount] | $ 50,000 |
| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) |
| 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 mutual 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, and that you earn a 5% return each year. The example also assumes 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 97% of the average value of its portfolio.
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| Portfolio Turnover, Rate | 97.00% |
| DISCIPLINED CORE EQUITY FUND | DISCIPLINED CORE EQUITY FUND A CLASS | |
| Prospectus [Line Items] | |
| Expenses Deferred Charges [Text Block] | Purchases of $1 million or more may be subject to a contingent deferred sales charge of 1.00% if the shares are redeemed within one year of the date of the purchase. |
| DISCIPLINED GROWTH FUND | |
| 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. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in American Century Investments funds. More information about these and other discounts is available from your financial professional and in Calculation of Sales Charges on page 14 of the fund’s prospectus, Appendix A of the fund’s prospectus and Sales Charges in Appendix B of the statement of additional information.
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| Expense Breakpoint Discounts [Text] | You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in American Century Investments funds. |
| 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. |
| Expense Breakpoint, Minimum Investment Required [Amount] | $ 50,000 |
| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) |
| 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 mutual 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 and that you earn a 5% return each year. The example also assumes that the fund’s operating expenses remain the same, except that it reflects the rate and duration of any fee waivers noted in the table above. 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 76% of the average value of its portfolio.
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| Portfolio Turnover, Rate | 76.00% |
| DISCIPLINED GROWTH FUND | DISCIPLINED GROWTH FUND A CLASS | |
| Prospectus [Line Items] | |
| Expenses Deferred Charges [Text Block] | Purchases of $1 million or more may be subject to a contingent deferred sales charge of 1.00% if the shares are redeemed within one year of the date of the purchase.
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| DISCIPLINED VALUE FUND | |
| 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. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in American Century Investments funds. More information about these and other discounts is available from your financial professional and in Calculation of Sales Charges on page 12 of the fund’s prospectus, Appendix A of the fund’s prospectus and Sales Charges in Appendix B of the statement of additional information.
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| Expense Breakpoint Discounts [Text] | You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in American Century Investments funds. |
| Expense Breakpoint, Minimum Investment Required [Amount] | $ 50,000 |
| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) |
| 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 mutual 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 121% of the average value of its portfolio.
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| Portfolio Turnover, Rate | 121.00% |
| DISCIPLINED VALUE FUND | DISCIPLINED VALUE FUND A CLASS | |
| Prospectus [Line Items] | |
| Expenses Deferred Charges [Text Block] | Purchases of $1 million or more may be subject to a contingent deferred sales charge of 1.00% if the shares are redeemed within one year of the date of the purchase. |
| GLOBAL GOLD FUND | |
| 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. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in American Century Investments funds. More information about these and other discounts is available from your financial professional and in Calculation of Sales Charges on page 12 of the fund’s prospectus, Appendix A of the fund’s prospectus and Sales Charges in Appendix B of the statement of additional information.
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| Expense Breakpoint Discounts [Text] | You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in American Century Investments funds. |
| Expense Breakpoint, Minimum Investment Required [Amount] | $ 50,000 |
| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) |
| 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 mutual 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 50% of the average value of its portfolio.
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| Portfolio Turnover, Rate | 50.00% |
| GLOBAL GOLD FUND | GLOBAL GOLD FUND A CLASS | |
| Prospectus [Line Items] | |
| Expenses Deferred Charges [Text Block] | Purchases of $1 million or more may be subject to a contingent deferred sales charge of 1.00% if the shares are redeemed within one year of the date of the purchase. |
| SMALL COMPANY FUND | |
| 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. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in American Century Investments funds. More information about these and other discounts is available from your financial professional and in Calculation of Sales Charges on page 12 of the fund’s prospectus, Appendix A of the fund’s prospectus and Sales Charges in Appendix B of the statement of additional information.
|
| Expense Breakpoint Discounts [Text] | You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in American Century Investments funds. |
| Expense Breakpoint, Minimum Investment Required [Amount] | $ 50,000 |
| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) |
| 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 mutual 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 94% of the average value of its portfolio.
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| Portfolio Turnover, Rate | 94.00% |
| SMALL COMPANY FUND | SMALL COMPANY FUND A CLASS | |
| Prospectus [Line Items] | |
| Expenses Deferred Charges [Text Block] | Purchases of $1 million or more may be subject to a contingent deferred sales charge of 1.00% if the shares are redeemed within one year of the date of the purchase. |
| UTILITIES FUND | |
| 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. |
| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) |
| 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 mutual 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 69% of the average value of its portfolio. |
| Portfolio Turnover, Rate | 69.00% |