| Form N-CSR Cover | 6 Months Ended |
| May 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | BNY Mellon Strategic Funds, Inc. |
| Entity Central Index Key | 0000737520 |
| Document Period End Date | May 31, 2024 |
| Shareholder Report | 6 Months Ended | |
| May 31, 2024 USD ($) | ||
| Shareholder Report [Line Items] | ||
| Document Type | N-CSRS | |
| Amendment Flag | false | |
| Registrant Name | BNY Mellon Strategic Funds, Inc. | |
| Entity Central Index Key | 0000737520 | |
| Document Period End Date | May 31, 2024 | |
| Class A | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BNY Mellon Global Stock Fund | |
| Class Name | Class A | |
| Trading Symbol | DGLAX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Class C | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BNY Mellon Global Stock Fund | |
| Class Name | Class C | |
| Trading Symbol | DGLCX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Class I | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BNY Mellon Global Stock Fund | |
| Class Name | Class I | |
| Trading Symbol | DGLRX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Class Y | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BNY Mellon Global Stock Fund | |
| Class Name | Class Y | |
| Trading Symbol | DGLYX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Class A | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BNY Mellon International Stock Fund | |
| Class Name | Class A | |
| Trading Symbol | DISAX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Class C | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BNY Mellon International Stock Fund | |
| Class Name | Class C | |
| Trading Symbol | DISCX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Class I | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BNY Mellon International Stock Fund | |
| Class Name | Class I | |
| Trading Symbol | DISRX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Class Y | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BNY Mellon International Stock Fund | |
| Class Name | Class Y | |
| Trading Symbol | DISYX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Class A | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BNY Mellon Select Managers Small Cap Value Fund | |
| Class Name | Class A | |
| Trading Symbol | DMVAX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Class C | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BNY Mellon Select Managers Small Cap Value Fund | |
| Class Name | Class C | |
| Trading Symbol | DMECX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Class I | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BNY Mellon Select Managers Small Cap Value Fund | |
| Class Name | Class I | |
| Trading Symbol | DMVIX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Class Y | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BNY Mellon Select Managers Small Cap Value Fund | |
| Class Name | Class Y | |
| Trading Symbol | DMVYX | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| BNY Mellon Global Stock Fund | Class A | ||
| Shareholder Report [Line Items] | ||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BNY Mellon Global Stock Fund (the “Fund”) for the period of December 1, 2023 to May 31, 2024. You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info bnymellon.com. | |
| Additional Information [Text Block] | You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bnymellon.com. | |
| Additional Information Phone Number | 1-800-373-9387 | |
| Additional Information Email | info@bnymellon.com | |
| Additional Information Website | im.bnymellon.com/literaturecenter | |
| Expenses [Text Block] | What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $61 1.23% * * Annualized | |
| Expenses Paid, Amount | $ 61 | |
| Expense Ratio, Percent | 1.23% | [1] |
| Net Assets | $ 993,000,000 | |
| Holdings Count | 49 | |
| Portfolio Turnover | 7.51% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (AS OF 5/31/24) Fund Size (Millions) Number of Holdings Portfolio Turnover $993 49 7.51% | |
| Holdings [Text Block] | Portfolio Holdings (as of 5/31/24) Country Allocation (Based on Net Assets) Top Ten Holdings (Based on Net Assets) * * Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any. | |
| Updated Prospectus Web Address | im.bnymellon.com/literaturecenter | |
| BNY Mellon Global Stock Fund | Class C | ||
| Shareholder Report [Line Items] | ||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BNY Mellon Global Stock Fund (the “Fund”) for the period of December 1, 2023 to May 31, 2024. You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info bnymellon.com. | |
| Additional Information [Text Block] | You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bnymellon.com. | |
| Additional Information Phone Number | 1-800-373-9387 | |
| Additional Information Email | info@bnymellon.com | |
| Additional Information Website | im.bnymellon.com/literaturecenter | |
| Expenses [Text Block] | What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $102 2.05% * * Annualized | |
| Expenses Paid, Amount | $ 102 | |
| Expense Ratio, Percent | 2.05% | [2] |
| Net Assets | $ 993,000,000 | |
| Holdings Count | 49 | |
| Portfolio Turnover | 7.51% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (AS OF 5/31/24) Fund Size (Millions) Number of Holdings Portfolio Turnover $993 49 7.51% | |
| Holdings [Text Block] | Portfolio Holdings (as of 5/31/24) Country Allocation (Based on Net Assets) Top Ten Holdings (Based on Net Assets) * * Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any. | |
| Updated Prospectus Web Address | im.bnymellon.com/literaturecenter | |
| BNY Mellon Global Stock Fund | Class I | ||
| Shareholder Report [Line Items] | ||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BNY Mellon Global Stock Fund (the “Fund”) for the period of December 1, 2023 to May 31, 2024. You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info bnymellon.com. | |
| Additional Information [Text Block] | You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bnymellon.com. | |
| Additional Information Phone Number | 1-800-373-9387 | |
| Additional Information Email | info@bnymellon.com | |
| Additional Information Website | im.bnymellon.com/literaturecenter | |
| Expenses [Text Block] | What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class I $46 0.92% * * Annualized | |
| Expenses Paid, Amount | $ 46 | |
| Expense Ratio, Percent | 0.92% | [3] |
| Net Assets | $ 993,000,000 | |
| Holdings Count | 49 | |
| Portfolio Turnover | 7.51% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (AS OF 5/31/24) Fund Size (Millions) Number of Holdings Portfolio Turnover $993 49 7.51% | |
| Holdings [Text Block] | Portfolio Holdings (as of 5/31/24) Country Allocation (Based on Net Assets) Top Ten Holdings (Based on Net Assets) * * Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any. | |
| Updated Prospectus Web Address | im.bnymellon.com/literaturecenter | |
| BNY Mellon Global Stock Fund | Class Y | ||
| Shareholder Report [Line Items] | ||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BNY Mellon Global Stock Fund (the “Fund”) for the period of December 1, 2023 to May 31, 2024. You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info bnymellon.com. | |
| Additional Information [Text Block] | You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bnymellon.com. | |
| Additional Information Phone Number | 1-800-373-9387 | |
| Additional Information Email | info@bnymellon.com | |
| Additional Information Website | im.bnymellon.com/literaturecenter | |
| Expenses [Text Block] | What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class Y $45 0.89% * * Annualized | |
| Expenses Paid, Amount | $ 45 | |
| Expense Ratio, Percent | 0.89% | [4] |
| Net Assets | $ 993,000,000 | |
| Holdings Count | 49 | |
| Portfolio Turnover | 7.51% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (AS OF 5/31/24) Fund Size (Millions) Number of Holdings Portfolio Turnover $993 49 7.51% | |
| Holdings [Text Block] | Portfolio Holdings (as of 5/31/24) Country Allocation (Based on Net Assets) Top Ten Holdings (Based on Net Assets) * * Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any. | |
| Updated Prospectus Web Address | im.bnymellon.com/literaturecenter | |
| BNY Mellon International Stock Fund | Class A | ||
| Shareholder Report [Line Items] | ||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BNY Mellon International Stock Fund (the “Fund”) for the period of December 1, 2023 to May 31, 2024. You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info bnymellon.com. | |
| Additional Information [Text Block] | You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bnymellon.com. | |
| Additional Information Phone Number | 1-800-373-9387 | |
| Additional Information Email | info@bnymellon.com | |
| Additional Information Website | im.bnymellon.com/literaturecenter | |
| Expenses [Text Block] | What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $62 1.25% * * Annualized | |
| Expenses Paid, Amount | $ 62 | |
| Expense Ratio, Percent | 1.25% | [5] |
| Net Assets | $ 6,213,000,000 | |
| Holdings Count | 51 | |
| Portfolio Turnover | 4.74% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (AS OF 5/31/24) Fund Size (Millions) Number of Holdings Portfolio Turnover $6,213 51 4.74% | |
| Holdings [Text Block] | Portfolio Holdings (as of 5/31/24) Country Allocation (Based on Net Assets) Top Ten Holdings (Based on Net Assets) * * Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any. | |
| Updated Prospectus Web Address | im.bnymellon.com/literaturecenter | |
| BNY Mellon International Stock Fund | Class C | ||
| Shareholder Report [Line Items] | ||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BNY Mellon International Stock Fund (the “Fund”) for the period of December 1, 2023 to May 31, 2024. You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info bnymellon.com. | |
| Additional Information [Text Block] | You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bnymellon.com. | |
| Additional Information Phone Number | 1-800-373-9387 | |
| Additional Information Email | info@bnymellon.com | |
| Additional Information Website | im.bnymellon.com/literaturecenter | |
| Expenses [Text Block] | What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $99 1.97% * * Annualized | |
| Expenses Paid, Amount | $ 99 | |
| Expense Ratio, Percent | 1.97% | [6] |
| Net Assets | $ 6,213,000,000 | |
| Holdings Count | 51 | |
| Portfolio Turnover | 4.74% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (AS OF 5/31/24) Fund Size (Millions) Number of Holdings Portfolio Turnover $6,213 51 4.74% | |
| Holdings [Text Block] | Portfolio Holdings (as of 5/31/24) Country Allocation (Based on Net Assets) Top Ten Holdings (Based on Net Assets) * * Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any. | |
| Updated Prospectus Web Address | im.bnymellon.com/literaturecenter | |
| BNY Mellon International Stock Fund | Class I | ||
| Shareholder Report [Line Items] | ||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BNY Mellon International Stock Fund (the “Fund”) for the period of December 1, 2023 to May 31, 2024. You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info bnymellon.com. | |
| Additional Information [Text Block] | You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bnymellon.com. | |
| Additional Information Phone Number | 1-800-373-9387 | |
| Additional Information Email | info@bnymellon.com | |
| Additional Information Website | im.bnymellon.com/literaturecenter | |
| Expenses [Text Block] | What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class I $46 0.92% * * Annualized | |
| Expenses Paid, Amount | $ 46 | |
| Expense Ratio, Percent | 0.92% | [7] |
| Net Assets | $ 6,213,000,000 | |
| Holdings Count | 51 | |
| Portfolio Turnover | 4.74% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (AS OF 5/31/24) Fund Size (Millions) Number of Holdings Portfolio Turnover $6,213 51 4.74% | |
| Holdings [Text Block] | Portfolio Holdings (as of 5/31/24) Country Allocation (Based on Net Assets) Top Ten Holdings (Based on Net Assets) * * Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any. | |
| Updated Prospectus Web Address | im.bnymellon.com/literaturecenter | |
| BNY Mellon International Stock Fund | Class Y | ||
| Shareholder Report [Line Items] | ||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BNY Mellon International Stock Fund (the “Fund”) for the period of December 1, 2023 to May 31, 2024. You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info bnymellon.com. | |
| Additional Information [Text Block] | You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bnymellon.com. | |
| Additional Information Phone Number | 1-800-373-9387 | |
| Additional Information Email | info@bnymellon.com | |
| Additional Information Website | im.bnymellon.com/literaturecenter | |
| Expenses [Text Block] | What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class Y $44 0.88% * * Annualized | |
| Expenses Paid, Amount | $ 44 | |
| Expense Ratio, Percent | 0.88% | [8] |
| Net Assets | $ 6,213,000,000 | |
| Holdings Count | 51 | |
| Portfolio Turnover | 4.74% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (AS OF 5/31/24) Fund Size (Millions) Number of Holdings Portfolio Turnover $6,213 51 4.74% | |
| Holdings [Text Block] | Portfolio Holdings (as of 5/31/24) Country Allocation (Based on Net Assets) Top Ten Holdings (Based on Net Assets) * * Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any. | |
| Updated Prospectus Web Address | im.bnymellon.com/literaturecenter | |
| BNY Mellon Select Managers Small Cap Value Fund | Class A | ||
| Shareholder Report [Line Items] | ||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BNY Mellon Select Managers Small Cap Value Fund (the “Fund”) for the period of December 1, 2023 to May 31, 2024. You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info bnymellon.com. | |
| Additional Information [Text Block] | You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bnymellon.com. | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-373-9387 | |
| Additional Information Email | info@bnymellon.com | |
| Additional Information Website | im.bnymellon.com/literaturecenter | |
| Expenses [Text Block] | What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A * $65 1.30% ** * During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher. ** Annualized | |
| Expenses Paid, Amount | $ 65 | [9] |
| Expense Ratio, Percent | 1.30% | [9],[10] |
| Net Assets | $ 92,000,000 | |
| Holdings Count | 149 | |
| Portfolio Turnover | 37% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (AS OF 5/31/24) Fund Size (Millions) Number of Holdings Portfolio Turnover $92 149 37.00% | |
| Holdings [Text Block] | Portfolio Holdings (as of 5/31/24) Sector Allocation (Based on Net Assets) | |
| Material Fund Change [Text Block] | • The Board of Directors has approved the liquidation of the Fund, effective on or about July 26, 2024 (the “Liquidation Date”). Before the Liquidation Date, and at the discretion of Fund management, the Fund’s portfolio securities will be sold and the Fund may cease to pursue its investment objective and policies. The liquidation of the Fund may result in one or more taxable events for shareholders subject to federal income tax. Accordingly, effective on or about June 21, 2024 (the “Closing Date”), the Fund was closed to any investments for new accounts, except that new accounts may be established by participants in group retirement plans if the Fund is established as an investment option under the plans before the Closing Date. This is a summary of certain changes to the Fund since December 1, 2023. For more complete information, you may review the Fund’s current prospectus, dated March 29, 2024, as supplemented on May 16, 2024, which is available at im.bnymellon.com/literaturecenter or upon request at 1-800-373-9387. | |
| Summary of Change Legend [Text Block] | This is a summary of certain changes to the Fund since December 1, 2023. For more complete information, you may review the Fund’s current prospectus, dated March 29, 2024, as supplemented on May 16, 2024, which is available at im.bnymellon.com/literaturecenter or upon request at 1-800-373-9387. | |
| Updated Prospectus Phone Number | 1-800-373-9387 | |
| Updated Prospectus Web Address | im.bnymellon.com/literaturecenter | |
| BNY Mellon Select Managers Small Cap Value Fund | Class C | ||
| Shareholder Report [Line Items] | ||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BNY Mellon Select Managers Small Cap Value Fund (the “Fund”) for the period of December 1, 2023 to May 31, 2024. You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info bnymellon.com. | |
| Additional Information [Text Block] | You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bnymellon.com. | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-373-9387 | |
| Additional Information Email | info@bnymellon.com | |
| Additional Information Website | im.bnymellon.com/literaturecenter | |
| Expenses [Text Block] | What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C * $103 2.05% ** * During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher. ** Annualized | |
| Expenses Paid, Amount | $ 103 | [11] |
| Expense Ratio, Percent | 2.05% | [11],[12] |
| Net Assets | $ 92,000,000 | |
| Holdings Count | 149 | |
| Portfolio Turnover | 37% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (AS OF 5/31/24) Fund Size (Millions) Number of Holdings Portfolio Turnover $92 149 37.00% | |
| Holdings [Text Block] | Portfolio Holdings (as of 5/31/24) Sector Allocation (Based on Net Assets) | |
| Material Fund Change [Text Block] | • The Board of Directors has approved the liquidation of the Fund, effective on or about July 26, 2024 (the “Liquidation Date”). Before the Liquidation Date, and at the discretion of Fund management, the Fund’s portfolio securities will be sold and the Fund may cease to pursue its investment objective and policies. The liquidation of the Fund may result in one or more taxable events for shareholders subject to federal income tax. Accordingly, effective on or about June 21, 2024 (the “Closing Date”), the Fund was closed to any investments for new accounts, except that new accounts may be established by participants in group retirement plans if the Fund is established as an investment option under the plans before the Closing Date. This is a summary of certain changes to the Fund since December 1, 2023. For more complete information, you may review the Fund’s current prospectus, dated March 29, 2024, as supplemented on May 16, 2024, which is available at im.bnymellon.com/literaturecenter or upon request at 1-800-373-9387. | |
| Summary of Change Legend [Text Block] | This is a summary of certain changes to the Fund since December 1, 2023. For more complete information, you may review the Fund’s current prospectus, dated March 29, 2024, as supplemented on May 16, 2024, which is available at im.bnymellon.com/literaturecenter or upon request at 1-800-373-9387. | |
| Updated Prospectus Phone Number | 1-800-373-9387 | |
| Updated Prospectus Web Address | im.bnymellon.com/literaturecenter | |
| BNY Mellon Select Managers Small Cap Value Fund | Class I | ||
| Shareholder Report [Line Items] | ||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BNY Mellon Select Managers Small Cap Value Fund (the “Fund”) for the period of December 1, 2023 to May 31, 2024. You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info bnymellon.com. | |
| Additional Information [Text Block] | You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bnymellon.com. | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-373-9387 | |
| Additional Information Email | info@bnymellon.com | |
| Additional Information Website | im.bnymellon.com/literaturecenter | |
| Expenses [Text Block] | What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class I * $53 1.05% ** * During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher. ** Annualized | |
| Expenses Paid, Amount | $ 53 | [13] |
| Expense Ratio, Percent | 1.05% | [13],[14] |
| Net Assets | $ 92,000,000 | |
| Holdings Count | 149 | |
| Portfolio Turnover | 37% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (AS OF 5/31/24) Fund Size (Millions) Number of Holdings Portfolio Turnover $92 149 37.00% | |
| Holdings [Text Block] | Portfolio Holdings (as of 5/31/24) Sector Allocation (Based on Net Assets) | |
| Material Fund Change [Text Block] | • The Board of Directors has approved the liquidation of the Fund, effective on or about July 26, 2024 (the “Liquidation Date”). Before the Liquidation Date, and at the discretion of Fund management, the Fund’s portfolio securities will be sold and the Fund may cease to pursue its investment objective and policies. The liquidation of the Fund may result in one or more taxable events for shareholders subject to federal income tax. Accordingly, effective on or about June 21, 2024 (the “Closing Date”), the Fund was closed to any investments for new accounts, except that new accounts may be established by participants in group retirement plans if the Fund is established as an investment option under the plans before the Closing Date. This is a summary of certain changes to the Fund since December 1, 2023. For more complete information, you may review the Fund’s current prospectus, dated March 29, 2024, as supplemented on May 16, 2024, which is available at im.bnymellon.com/literaturecenter or upon request at 1-800-373-9387. | |
| Summary of Change Legend [Text Block] | This is a summary of certain changes to the Fund since December 1, 2023. For more complete information, you may review the Fund’s current prospectus, dated March 29, 2024, as supplemented on May 16, 2024, which is available at im.bnymellon.com/literaturecenter or upon request at 1-800-373-9387. | |
| Updated Prospectus Phone Number | 1-800-373-9387 | |
| Updated Prospectus Web Address | im.bnymellon.com/literaturecenter | |
| BNY Mellon Select Managers Small Cap Value Fund | Class Y | ||
| Shareholder Report [Line Items] | ||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BNY Mellon Select Managers Small Cap Value Fund (the “Fund”) for the period of December 1, 2023 to May 31, 2024. You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info bnymellon.com. | |
| Additional Information [Text Block] | You can find additional information about the Fund at im.bnymellon.com/literaturecenter. You can also request this information by calling 1-800-373-9387 (inside the U.S. only) or by sending an e-mail request to info@bnymellon.com. | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-373-9387 | |
| Additional Information Email | info@bnymellon.com | |
| Additional Information Website | im.bnymellon.com/literaturecenter | |
| Expenses [Text Block] | What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Share Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class Y * $53 1.05% ** * During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher. ** Annualized | |
| Expenses Paid, Amount | $ 53 | [15] |
| Expense Ratio, Percent | 1.05% | [15],[16] |
| Net Assets | $ 92,000,000 | |
| Holdings Count | 149 | |
| Portfolio Turnover | 37% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (AS OF 5/31/24) Fund Size (Millions) Number of Holdings Portfolio Turnover $92 149 37.00% | |
| Holdings [Text Block] | Portfolio Holdings (as of 5/31/24) Sector Allocation (Based on Net Assets) | |
| Material Fund Change [Text Block] | • The Board of Directors has approved the liquidation of the Fund, effective on or about July 26, 2024 (the “Liquidation Date”). Before the Liquidation Date, and at the discretion of Fund management, the Fund’s portfolio securities will be sold and the Fund may cease to pursue its investment objective and policies. The liquidation of the Fund may result in one or more taxable events for shareholders subject to federal income tax. Accordingly, effective on or about June 21, 2024 (the “Closing Date”), the Fund was closed to any investments for new accounts, except that new accounts may be established by participants in group retirement plans if the Fund is established as an investment option under the plans before the Closing Date. This is a summary of certain changes to the Fund since December 1, 2023. For more complete information, you may review the Fund’s current prospectus, dated March 29, 2024, as supplemented on May 16, 2024, which is available at im.bnymellon.com/literaturecenter or upon request at 1-800-373-9387. | |
| Summary of Change Legend [Text Block] | This is a summary of certain changes to the Fund since December 1, 2023. For more complete information, you may review the Fund’s current prospectus, dated March 29, 2024, as supplemented on May 16, 2024, which is available at im.bnymellon.com/literaturecenter or upon request at 1-800-373-9387. | |
| Updated Prospectus Phone Number | 1-800-373-9387 | |
| Updated Prospectus Web Address | im.bnymellon.com/literaturecenter | |
| [1] Annualized Annualized Annualized Annualized Annualized Annualized Annualized Annualized During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher. Annualized During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher. Annualized During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher. Annualized During the period, fees were waived and/or expenses reimbursed pursuant to an agreement with the Fund’s investment adviser, BNY Mellon Investment Adviser, Inc. If this agreement is not extended in the future, expenses could be higher. Annualized | ||
| Shareholder Report, Holdings (Details) | May 31, 2024 |
| BNY Mellon Global Stock Fund | Class A | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| BNY Mellon Global Stock Fund | Class A | Novo Nordisk A/S, Cl. B | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class A | Microsoft Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| BNY Mellon Global Stock Fund | Class A | Taiwan Semiconductor Manufacturing Co. Ltd., ADR | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| BNY Mellon Global Stock Fund | Class A | Alphabet, Inc., Cl. C | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.30% |
| BNY Mellon Global Stock Fund | Class A | Mastercard, Inc., Cl. A | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| BNY Mellon Global Stock Fund | Class A | Amphenol Corp., Cl. A | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| BNY Mellon Global Stock Fund | Class A | Linde PLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| BNY Mellon Global Stock Fund | Class A | Edwards Lifesciences Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon Global Stock Fund | Class A | Texas Instruments, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon Global Stock Fund | Class A | Keyence Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| BNY Mellon Global Stock Fund | Class A | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| BNY Mellon Global Stock Fund | Class A | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| BNY Mellon Global Stock Fund | Class A | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| BNY Mellon Global Stock Fund | Class A | Spain | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| BNY Mellon Global Stock Fund | Class A | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| BNY Mellon Global Stock Fund | Class A | Taiwan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| BNY Mellon Global Stock Fund | Class A | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| BNY Mellon Global Stock Fund | Class A | Denmark | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class A | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class A | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class A | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| BNY Mellon Global Stock Fund | Class A | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| BNY Mellon Global Stock Fund | Class A | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 59.40% |
| BNY Mellon Global Stock Fund | Class C | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| BNY Mellon Global Stock Fund | Class C | Novo Nordisk A/S, Cl. B | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class C | Microsoft Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| BNY Mellon Global Stock Fund | Class C | Taiwan Semiconductor Manufacturing Co. Ltd., ADR | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| BNY Mellon Global Stock Fund | Class C | Alphabet, Inc., Cl. C | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.30% |
| BNY Mellon Global Stock Fund | Class C | Mastercard, Inc., Cl. A | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| BNY Mellon Global Stock Fund | Class C | Amphenol Corp., Cl. A | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| BNY Mellon Global Stock Fund | Class C | Linde PLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| BNY Mellon Global Stock Fund | Class C | Edwards Lifesciences Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon Global Stock Fund | Class C | Texas Instruments, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon Global Stock Fund | Class C | Keyence Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| BNY Mellon Global Stock Fund | Class C | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| BNY Mellon Global Stock Fund | Class C | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| BNY Mellon Global Stock Fund | Class C | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| BNY Mellon Global Stock Fund | Class C | Spain | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| BNY Mellon Global Stock Fund | Class C | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| BNY Mellon Global Stock Fund | Class C | Taiwan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| BNY Mellon Global Stock Fund | Class C | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| BNY Mellon Global Stock Fund | Class C | Denmark | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class C | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class C | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class C | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| BNY Mellon Global Stock Fund | Class C | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| BNY Mellon Global Stock Fund | Class C | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 59.40% |
| BNY Mellon Global Stock Fund | Class I | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| BNY Mellon Global Stock Fund | Class I | Novo Nordisk A/S, Cl. B | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class I | Microsoft Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| BNY Mellon Global Stock Fund | Class I | Taiwan Semiconductor Manufacturing Co. Ltd., ADR | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| BNY Mellon Global Stock Fund | Class I | Alphabet, Inc., Cl. C | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.30% |
| BNY Mellon Global Stock Fund | Class I | Mastercard, Inc., Cl. A | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| BNY Mellon Global Stock Fund | Class I | Amphenol Corp., Cl. A | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| BNY Mellon Global Stock Fund | Class I | Linde PLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| BNY Mellon Global Stock Fund | Class I | Edwards Lifesciences Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon Global Stock Fund | Class I | Texas Instruments, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon Global Stock Fund | Class I | Keyence Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| BNY Mellon Global Stock Fund | Class I | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| BNY Mellon Global Stock Fund | Class I | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| BNY Mellon Global Stock Fund | Class I | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| BNY Mellon Global Stock Fund | Class I | Spain | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| BNY Mellon Global Stock Fund | Class I | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| BNY Mellon Global Stock Fund | Class I | Taiwan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| BNY Mellon Global Stock Fund | Class I | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| BNY Mellon Global Stock Fund | Class I | Denmark | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class I | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class I | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class I | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| BNY Mellon Global Stock Fund | Class I | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| BNY Mellon Global Stock Fund | Class I | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 59.40% |
| BNY Mellon Global Stock Fund | Class Y | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| BNY Mellon Global Stock Fund | Class Y | Novo Nordisk A/S, Cl. B | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class Y | Microsoft Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| BNY Mellon Global Stock Fund | Class Y | Taiwan Semiconductor Manufacturing Co. Ltd., ADR | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| BNY Mellon Global Stock Fund | Class Y | Alphabet, Inc., Cl. C | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.30% |
| BNY Mellon Global Stock Fund | Class Y | Mastercard, Inc., Cl. A | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| BNY Mellon Global Stock Fund | Class Y | Amphenol Corp., Cl. A | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| BNY Mellon Global Stock Fund | Class Y | Linde PLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| BNY Mellon Global Stock Fund | Class Y | Edwards Lifesciences Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon Global Stock Fund | Class Y | Texas Instruments, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon Global Stock Fund | Class Y | Keyence Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| BNY Mellon Global Stock Fund | Class Y | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| BNY Mellon Global Stock Fund | Class Y | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| BNY Mellon Global Stock Fund | Class Y | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| BNY Mellon Global Stock Fund | Class Y | Spain | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| BNY Mellon Global Stock Fund | Class Y | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| BNY Mellon Global Stock Fund | Class Y | Taiwan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| BNY Mellon Global Stock Fund | Class Y | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| BNY Mellon Global Stock Fund | Class Y | Denmark | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class Y | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class Y | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon Global Stock Fund | Class Y | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| BNY Mellon Global Stock Fund | Class Y | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| BNY Mellon Global Stock Fund | Class Y | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 59.40% |
| BNY Mellon International Stock Fund | Class A | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| BNY Mellon International Stock Fund | Class A | Novo Nordisk A/S, Cl. B | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| BNY Mellon International Stock Fund | Class A | Taiwan Semiconductor Manufacturing Co. Ltd., ADR | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| BNY Mellon International Stock Fund | Class A | Keyence Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.10% |
| BNY Mellon International Stock Fund | Class A | ASML Holding NV | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| BNY Mellon International Stock Fund | Class A | Alimentation Couche-Tard, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class A | L'Oreal SA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class A | adidas AG | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class A | Air Liquide SA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class A | LVMH Moet Hennessy Louis Vuitton SE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| BNY Mellon International Stock Fund | Class A | ASM International NV | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| BNY Mellon International Stock Fund | Class A | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.10% |
| BNY Mellon International Stock Fund | Class A | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.30% |
| BNY Mellon International Stock Fund | Class A | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon International Stock Fund | Class A | Spain | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon International Stock Fund | Class A | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| BNY Mellon International Stock Fund | Class A | Taiwan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| BNY Mellon International Stock Fund | Class A | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| BNY Mellon International Stock Fund | Class A | Denmark | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| BNY Mellon International Stock Fund | Class A | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| BNY Mellon International Stock Fund | Class A | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.70% |
| BNY Mellon International Stock Fund | Class A | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| BNY Mellon International Stock Fund | Class A | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.80% |
| BNY Mellon International Stock Fund | Class A | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class A | Italy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| BNY Mellon International Stock Fund | Class A | Finland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| BNY Mellon International Stock Fund | Class A | Sweden | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| BNY Mellon International Stock Fund | Class A | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.80% |
| BNY Mellon International Stock Fund | Class C | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| BNY Mellon International Stock Fund | Class C | Novo Nordisk A/S, Cl. B | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| BNY Mellon International Stock Fund | Class C | Taiwan Semiconductor Manufacturing Co. Ltd., ADR | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| BNY Mellon International Stock Fund | Class C | Keyence Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.10% |
| BNY Mellon International Stock Fund | Class C | ASML Holding NV | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| BNY Mellon International Stock Fund | Class C | Alimentation Couche-Tard, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class C | L'Oreal SA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class C | adidas AG | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class C | Air Liquide SA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class C | LVMH Moet Hennessy Louis Vuitton SE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| BNY Mellon International Stock Fund | Class C | ASM International NV | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| BNY Mellon International Stock Fund | Class C | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.10% |
| BNY Mellon International Stock Fund | Class C | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.30% |
| BNY Mellon International Stock Fund | Class C | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon International Stock Fund | Class C | Spain | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon International Stock Fund | Class C | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| BNY Mellon International Stock Fund | Class C | Taiwan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| BNY Mellon International Stock Fund | Class C | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| BNY Mellon International Stock Fund | Class C | Denmark | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| BNY Mellon International Stock Fund | Class C | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| BNY Mellon International Stock Fund | Class C | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.70% |
| BNY Mellon International Stock Fund | Class C | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| BNY Mellon International Stock Fund | Class C | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.80% |
| BNY Mellon International Stock Fund | Class C | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class C | Italy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| BNY Mellon International Stock Fund | Class C | Finland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| BNY Mellon International Stock Fund | Class C | Sweden | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| BNY Mellon International Stock Fund | Class C | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.80% |
| BNY Mellon International Stock Fund | Class I | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| BNY Mellon International Stock Fund | Class I | Novo Nordisk A/S, Cl. B | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| BNY Mellon International Stock Fund | Class I | Taiwan Semiconductor Manufacturing Co. Ltd., ADR | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| BNY Mellon International Stock Fund | Class I | Keyence Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.10% |
| BNY Mellon International Stock Fund | Class I | ASML Holding NV | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| BNY Mellon International Stock Fund | Class I | Alimentation Couche-Tard, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class I | L'Oreal SA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class I | adidas AG | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class I | Air Liquide SA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class I | LVMH Moet Hennessy Louis Vuitton SE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| BNY Mellon International Stock Fund | Class I | ASM International NV | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| BNY Mellon International Stock Fund | Class I | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.10% |
| BNY Mellon International Stock Fund | Class I | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.30% |
| BNY Mellon International Stock Fund | Class I | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon International Stock Fund | Class I | Spain | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon International Stock Fund | Class I | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| BNY Mellon International Stock Fund | Class I | Taiwan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| BNY Mellon International Stock Fund | Class I | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| BNY Mellon International Stock Fund | Class I | Denmark | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| BNY Mellon International Stock Fund | Class I | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| BNY Mellon International Stock Fund | Class I | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.70% |
| BNY Mellon International Stock Fund | Class I | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| BNY Mellon International Stock Fund | Class I | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.80% |
| BNY Mellon International Stock Fund | Class I | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class I | Italy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| BNY Mellon International Stock Fund | Class I | Finland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| BNY Mellon International Stock Fund | Class I | Sweden | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| BNY Mellon International Stock Fund | Class I | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.80% |
| BNY Mellon International Stock Fund | Class Y | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| BNY Mellon International Stock Fund | Class Y | Novo Nordisk A/S, Cl. B | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| BNY Mellon International Stock Fund | Class Y | Taiwan Semiconductor Manufacturing Co. Ltd., ADR | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| BNY Mellon International Stock Fund | Class Y | Keyence Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.10% |
| BNY Mellon International Stock Fund | Class Y | ASML Holding NV | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| BNY Mellon International Stock Fund | Class Y | Alimentation Couche-Tard, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class Y | L'Oreal SA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class Y | adidas AG | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class Y | Air Liquide SA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class Y | LVMH Moet Hennessy Louis Vuitton SE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| BNY Mellon International Stock Fund | Class Y | ASM International NV | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| BNY Mellon International Stock Fund | Class Y | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.10% |
| BNY Mellon International Stock Fund | Class Y | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.30% |
| BNY Mellon International Stock Fund | Class Y | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon International Stock Fund | Class Y | Spain | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| BNY Mellon International Stock Fund | Class Y | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| BNY Mellon International Stock Fund | Class Y | Taiwan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| BNY Mellon International Stock Fund | Class Y | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| BNY Mellon International Stock Fund | Class Y | Denmark | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| BNY Mellon International Stock Fund | Class Y | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| BNY Mellon International Stock Fund | Class Y | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.70% |
| BNY Mellon International Stock Fund | Class Y | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| BNY Mellon International Stock Fund | Class Y | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.80% |
| BNY Mellon International Stock Fund | Class Y | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon International Stock Fund | Class Y | Italy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| BNY Mellon International Stock Fund | Class Y | Finland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| BNY Mellon International Stock Fund | Class Y | Sweden | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| BNY Mellon International Stock Fund | Class Y | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.80% |
| BNY Mellon Select Managers Small Cap Value Fund | Class A | Other | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| BNY Mellon Select Managers Small Cap Value Fund | Class A | Communication Services | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| BNY Mellon Select Managers Small Cap Value Fund | Class A | Consumer Staples | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| BNY Mellon Select Managers Small Cap Value Fund | Class A | Real Estate | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon Select Managers Small Cap Value Fund | Class A | Utilities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon Select Managers Small Cap Value Fund | Class A | Energy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| BNY Mellon Select Managers Small Cap Value Fund | Class A | Materials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| BNY Mellon Select Managers Small Cap Value Fund | Class A | Consumer Discretionary | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| BNY Mellon Select Managers Small Cap Value Fund | Class A | Health Care | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| BNY Mellon Select Managers Small Cap Value Fund | Class A | Information Technology | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.80% |
| BNY Mellon Select Managers Small Cap Value Fund | Class A | Industrials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| BNY Mellon Select Managers Small Cap Value Fund | Class A | Financials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.20% |
| BNY Mellon Select Managers Small Cap Value Fund | Class A | Investment Companies | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 40.10% |
| BNY Mellon Select Managers Small Cap Value Fund | Class C | Other | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| BNY Mellon Select Managers Small Cap Value Fund | Class C | Communication Services | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| BNY Mellon Select Managers Small Cap Value Fund | Class C | Consumer Staples | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| BNY Mellon Select Managers Small Cap Value Fund | Class C | Real Estate | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon Select Managers Small Cap Value Fund | Class C | Utilities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon Select Managers Small Cap Value Fund | Class C | Energy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| BNY Mellon Select Managers Small Cap Value Fund | Class C | Materials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| BNY Mellon Select Managers Small Cap Value Fund | Class C | Consumer Discretionary | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| BNY Mellon Select Managers Small Cap Value Fund | Class C | Health Care | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| BNY Mellon Select Managers Small Cap Value Fund | Class C | Information Technology | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.80% |
| BNY Mellon Select Managers Small Cap Value Fund | Class C | Industrials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| BNY Mellon Select Managers Small Cap Value Fund | Class C | Financials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.20% |
| BNY Mellon Select Managers Small Cap Value Fund | Class C | Investment Companies | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 40.10% |
| BNY Mellon Select Managers Small Cap Value Fund | Class I | Other | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| BNY Mellon Select Managers Small Cap Value Fund | Class I | Communication Services | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| BNY Mellon Select Managers Small Cap Value Fund | Class I | Consumer Staples | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| BNY Mellon Select Managers Small Cap Value Fund | Class I | Real Estate | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon Select Managers Small Cap Value Fund | Class I | Utilities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon Select Managers Small Cap Value Fund | Class I | Energy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| BNY Mellon Select Managers Small Cap Value Fund | Class I | Materials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| BNY Mellon Select Managers Small Cap Value Fund | Class I | Consumer Discretionary | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| BNY Mellon Select Managers Small Cap Value Fund | Class I | Health Care | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| BNY Mellon Select Managers Small Cap Value Fund | Class I | Information Technology | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.80% |
| BNY Mellon Select Managers Small Cap Value Fund | Class I | Industrials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| BNY Mellon Select Managers Small Cap Value Fund | Class I | Financials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.20% |
| BNY Mellon Select Managers Small Cap Value Fund | Class I | Investment Companies | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 40.10% |
| BNY Mellon Select Managers Small Cap Value Fund | Class Y | Other | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| BNY Mellon Select Managers Small Cap Value Fund | Class Y | Communication Services | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| BNY Mellon Select Managers Small Cap Value Fund | Class Y | Consumer Staples | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| BNY Mellon Select Managers Small Cap Value Fund | Class Y | Real Estate | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| BNY Mellon Select Managers Small Cap Value Fund | Class Y | Utilities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| BNY Mellon Select Managers Small Cap Value Fund | Class Y | Energy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| BNY Mellon Select Managers Small Cap Value Fund | Class Y | Materials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| BNY Mellon Select Managers Small Cap Value Fund | Class Y | Consumer Discretionary | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| BNY Mellon Select Managers Small Cap Value Fund | Class Y | Health Care | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| BNY Mellon Select Managers Small Cap Value Fund | Class Y | Information Technology | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.80% |
| BNY Mellon Select Managers Small Cap Value Fund | Class Y | Industrials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| BNY Mellon Select Managers Small Cap Value Fund | Class Y | Financials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.20% |
| BNY Mellon Select Managers Small Cap Value Fund | Class Y | Investment Companies | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 40.10% |
