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BNY Mellon Yield Enhancement Strategy Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading Fund Summary
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

The fund seeks high current income.

Expense [Heading] rr_ExpenseHeading Fees and Expenses
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy and hold shares of the fund. 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 the fund or shares of other funds in the BNY Mellon Family of Funds that are subject to a sales charge. More information about sales charges, including these and other discounts and waivers, is available from your financial professional and in the Shareholder Guide section beginning on page 23 of the prospectus and in the How to Buy Shares section and the Additional Information About How to Buy Shares section beginning on page II-1 and page III-1, respectively, of the fund's Statement of Additional Information.

Shareholder Fees Caption [Text] rr_ShareholderFeesCaption Shareholder Fees (fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock

The fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover 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 21.45% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 21.45%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts 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 the fund or shares of other funds in the BNY Mellon Family of Funds that are subject to a sales charge.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 50,000
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees Acquired fund fees and expenses are incurred indirectly by the fund as a result of its investment in other investment companies (underlying funds). These fees and expenses are not included in the Financial Highlights tables; accordingly, total annual fund operating expenses do not correlate to the ratio of total expenses to average net assets in the Financial Highlights tables.
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock

The Example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. 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. The Example also assumes that your investment has 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:
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption You would pay the following expenses if you did not redeem your shares:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategy
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

To pursue its goal, the fund normally allocates its assets across fixed-income investment strategies. The fund is designed to complement and diversify traditional bond portfolios. The fund normally allocates its assets among other investment companies (the underlying funds) that employ various fixed-income investment strategies, including those focusing on domestic and foreign corporate bonds, high yield securities ("junk" bonds), senior loans, emerging markets debt, municipal securities and Treasury and other inflation-protected securities (TIPS). Underlying funds may include other funds in the BNY Mellon Family of Funds and unaffiliated open-end funds, closed-end funds and exchange-traded funds (ETFs). The fund generally will allocate its assets to other funds managed by BNY Mellon Investment Adviser, Inc. (BNYM Investment Adviser), and will allocate its assets to unaffiliated funds generally when the desired economic exposure to a particular fixed-income investment strategy is not available through a fund managed by BNYM Investment Adviser, the fund's investment adviser, or its affiliates or for diversification purposes.


The fund seeks to achieve its investment objective—high current income—by allocating its assets across fixed-income investment strategies with the goal of enhancing yield. The fund uses a "fund of funds" approach by investing in underlying funds. The fund currently intends to allocate its assets among underlying funds that employ the following investment strategies: corporate fixed-income securities strategies; high yield securities strategies; floating rate securities strategies; emerging markets debt strategies; municipal securities strategies; TIPS strategies; or opportunistic fixed-income strategies. With respect to each strategy, the fund currently intends to allocate up to 40% of its assets.


BNYM Investment Adviser determines the fund's asset allocation to the fixed-income investment strategies and sets the investment ranges using fundamental and quantitative analysis, and its economic and financial markets outlook. Underlying funds are selected based on their investment objectives and management policies, investment strategies and portfolio holdings, risk/reward profiles, historical performance, and other factors, including the correlation and covariance among the underlying funds. BNYM Investment Adviser has the discretion to change the fund's investment strategies and the investment ranges when BNYM Investment Adviser deems it appropriate, based on its assessment of economic and financial markets, without prior notice to shareholders.


The composition of the fund's investment portfolio will vary over time, based on its use of and exposure to various fixed-income investment strategies in which the underlying funds invest. The fund, through underlying funds, may invest in the securities of U.S. and foreign issuers, including securities of issuers in emerging market countries and securities denominated in a currency other than the U.S. dollar, securities of issuers of any market capitalization, and high yield securities. The fixed-income securities in which the fund, through underlying funds, may invest include bonds, debentures, notes (including structured notes and other structured investments), mortgage-related securities, asset-backed securities, convertible securities, eurodollar and Yankee dollar instruments, preferred stocks and money market instruments. The fund, through underlying funds, may invest in floating rate loans and other floating rate securities, including senior secured floating rate loans, second lien loans, senior unsecured loans and subordinated loans and debt obligations. The securities in which the fund, through underlying funds, may invest may be issued by U.S. and foreign corporations or entities; U.S. and foreign banks; the U.S. government, its agencies, authorities, instrumentalities or sponsored enterprises; state and municipal governments; and foreign governments and their political subdivisions and Brady bonds. These securities may have all types of interest rate payment and reset terms, including fixed rate, adjustable rate, floating rate, zero coupon, contingent, deferred, payment in kind and auction rate features.


The fund, through underlying funds, may invest significantly in high yield securities. Such securities are rated, at the time of investment, below investment grade (i.e., below BBB- or Baa3) by one or more nationally recognized statistical rating organizations (NRSROs), or, if unrated, determined to be of comparable quality by the underlying fund's investment adviser.


Certain underlying funds may invest in individual securities of any maturity or duration. Duration is an indication of an investment's "interest rate risk," or how sensitive a security or the fund's portfolio may be to changes in interest rates. Generally, the longer a security's duration, the more likely it is to react to interest rate fluctuations and the greater its long-term risk/return potential. There are no restrictions on the dollar-weighted average maturity or duration of the fund's portfolio.


Certain underlying funds may use derivative instruments as a substitute for investing directly in an underlying asset, to increase returns, to manage credit or interest rate risk, to manage effective maturity or duration, to manage foreign currency risk, as part of a hedging strategy, or for other purposes related to the management of the underlying fund. The derivative instruments in which certain underlying funds may invest include principally options, futures and options on futures (including those relating to securities, foreign currencies, indices and interest rates), contracts for difference, forward contracts, swap agreements (including interest rate and credit default swap agreements), options on swap agreements, and other derivative instruments. When an underlying fund enters into derivatives transactions, it may be required to segregate liquid assets or enter into offsetting positions, in accordance with applicable regulations. To enhance current income, certain underlying funds may engage in a series of purchase and sale contracts or forward roll transactions in which the underlying fund sells a mortgage-related security, for example, to a financial institution and simultaneously agrees to purchase a similar security from the institution at a later date at an agreed upon price. Certain underlying funds also may make forward commitments in which the underlying fund agrees to buy or sell a security in the future at an agreed upon price.
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

An investment in the fund is not a bank deposit. It is not insured or guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other government agency. It is not a complete investment program. The fund's share price fluctuates, sometimes dramatically, which means you could lose money.


An investment in the fund is subject to the following principal risks:


· Allocation risk. The ability of the fund to achieve its investment goal depends, in part, on the ability of BNYM Investment Adviser to allocate effectively the fund's assets among the investment strategies and the underlying funds. There can be no assurance that the actual allocations will be effective in achieving the fund's investment goal.


· Conflicts of interest risk. BNYM Investment Adviser or its affiliates may serve as investment adviser to one or more of the underlying funds, each of which pays advisory fees at different rates to BNYM Investment Adviser or its affiliates. The interests of the fund on one hand, and those of an underlying fund on the other, will not always be the same.


· ETF and other investment company risk. To the extent the fund invests in pooled investment vehicles, such as ETFs and other investment companies, the fund will be affected by the investment policies, practices and performance of such entities in direct proportion to the amount of assets the fund has invested therein. The risks of investing in other investment companies, including ETFs, typically reflect the risks associated with the types of instruments in which the investment companies invest. When the fund invests in an ETF or other investment company, shareholders of the fund will bear indirectly their proportionate share of the expenses of the ETF or other investment company (including management fees) in addition to the expenses of the fund.


The fund invests in shares of the underlying funds and thus the fund is subject to the same investment risks as the underlying funds in which it invests. Risks associated with an investment in the fund as a result of its investment in underlying funds are described below. References to the fund below include the underlying funds.


· Fixed-income market risk. The market value of a fixed-income security may decline due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic conditions, changes in the outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The fixed-income securities market can be susceptible to increases in volatility and decreases in liquidity. Liquidity can decline unpredictably in response to overall economic conditions or credit tightening. Increases in volatility and decreases in liquidity may be caused by a rise in interest rates (or the expectation of a rise in interest rates). An unexpected increase in fund redemption requests, including requests from shareholders who may own a significant percentage of the fund's shares, which may be triggered by market turmoil or an increase in interest rates, could cause the fund to sell its holdings at a loss or at undesirable prices and adversely affect the fund's share price and increase the fund's liquidity risk, fund expenses and/or taxable distributions.


· Interest rate risk. Prices of bonds and other fixed rate fixed-income securities tend to move inversely with changes in interest rates. Typically, a rise in rates will adversely affect fixed-income securities and, accordingly, will cause the value of the fund's investments in these securities to decline. During periods of very low interest rates, which occur from time to time due to market forces or actions of governments and/or their central banks, including the Board of Governors of the Federal Reserve System in the U.S., the fund may be subject to a greater risk of principal decline from rising interest rates. When interest rates fall, the fund's investments in new securities may be at lower yields and may reduce the fund's income. The magnitude of these fluctuations in the market price of fixed-income securities is generally greater for securities with longer effective maturities and durations because such instruments do not mature, reset interest rates or become callable for longer periods of time. Unlike investment grade bonds, however, the prices of high yield ("junk") bonds may fluctuate unpredictably and not necessarily inversely with changes in interest rates. Interest rate changes may have different effects on the values of mortgage-related securities because of prepayment and extension risks. In addition, the rates on floating rate instruments adjust periodically with changes in market interest rates. Although these instruments are generally less sensitive to interest rate changes than fixed rate instruments, the value of floating rate loans and other floating rate securities may decline if their interest rates do not rise as quickly, or as much, as general interest rates.


· Credit risk. Failure of an issuer of a security to make timely interest or principal payments when due, or a decline or perception of a decline in the credit quality of the security, can cause the security's price to fall. The lower a security's credit rating, the greater the chance that the issuer of the security will default or fail to meet its payment obligations.


· High yield securities risk. High yield ("junk") securities involve greater credit risk, including the risk of default, than investment grade securities, and are considered predominantly speculative with respect to the issuer's ability to make principal and interest payments. The prices of high yield securities can fall in response to bad news about the issuer or its industry, or the economy in general, to a greater extent than those of higher rated securities.


· Mortgage-related securities risk. Mortgage-related securities are complex derivative instruments, subject to credit, prepayment and extension risk, and may be more volatile, less liquid and more difficult to price accurately than more traditional debt securities. The fund is subject to the credit risk associated with these securities, including the market's perception of the creditworthiness of the issuing federal agency, as well as the credit quality of the underlying assets. Although certain mortgage-related securities are guaranteed as to the timely payment of interest and principal by a third party (such as a U.S. government agency or instrumentality with respect to government-related mortgage-backed securities) the market prices for such securities are not guaranteed and will fluctuate. Declining interest rates may result in the prepayment of higher yielding underlying mortgages and the reinvestment of proceeds at lower interest rates can reduce the fund's potential price gain in response to falling interest rates, reduce the fund's yield and/or cause the fund's share price to fall (prepayment risk). Rising interest rates may result in a drop in prepayments of the underlying mortgages, which would increase the fund's sensitivity to rising interest rates and its potential for price declines (extension risk).


· Asset-backed securities risk. Asset-backed securities are complex derivative instruments, subject to credit, prepayment and extension risk, and may be more volatile, less liquid and more difficult to price accurately than more traditional debt securities. General downturns in the economy could cause the value of asset-backed securities to fall. In addition, asset-backed securities present certain risks that are not presented by mortgage-backed securities. Primarily, these securities may provide the fund with a less effective security interest in the related collateral than do mortgage-backed securities. Therefore, there is the possibility that recoveries on the underlying collateral may not, in some cases, be available to support payments on these securities.


· Floating rate loan risk. Unlike publicly traded common stocks which trade on national exchanges, there is no central market or exchange for loans to trade. Loans trade in an over-the-counter market, and confirmation and settlement, which are effected through standardized procedures and documentation, may take significantly longer than seven days to complete. The secondary market for floating rate loans also may be subject to irregular trading activity and wide bid/ask spreads. The lack of an active trading market for certain floating rate loans may impair the ability of the fund to realize full value in the event of the need to sell a floating rate loan and may make it difficult to value such loans. There may be less readily available, reliable information about certain floating rate loans than is the case for many other types of securities, and the fund's portfolio managers may be required to rely primarily on their own evaluation of a borrower's credit quality rather than on any available independent sources. The value of collateral, if any, securing a floating rate loan can decline, and may be insufficient to meet the issuer's obligations in the event of non-payment of scheduled interest or principal or may be difficult to readily liquidate. In the event of the bankruptcy of a borrower, the fund could experience delays or limitations imposed by bankruptcy or other insolvency laws with respect to its ability to realize the benefits of the collateral securing a loan. The floating rate loans in which the fund may invest typically will be below investment grade quality and, like other below investment grade securities, are inherently speculative. As a result, the risks associated with such floating rate loans are similar to the risks of below investment grade securities, although senior loans are typically senior and secured in contrast to other below investment grade securities, which are often subordinated and unsecured. Floating rate loans may not be considered to be "securities" for purposes of the anti-fraud protections of the federal securities laws, including those with respect to the use of material non-public information, so that purchasers, such as the fund, may not have the benefit of these protections.


· Municipal securities risk. The amount of public information available about municipal securities is generally less than that for corporate equities or bonds. Special factors, such as legislative changes, and state and local economic and business developments, may adversely affect the yield and/or value of the fund's investments in municipal securities. Other factors include the general conditions of the municipal securities market, the size of the particular offering, the maturity of the obligation and the rating of the issue. Changes in economic, business or political conditions relating to a particular municipal project, municipality, or state, territory or possession of the United States in which the fund invests may have an impact on the fund's share price.


· Government securities risk. Not all obligations of the U.S. government, its agencies and instrumentalities are backed by the full faith and credit of the U.S. Treasury. Some obligations are backed only by the credit of the issuing agency or instrumentality, and in some cases there may be some risk of default by the issuer. Any guarantee by the U.S. government or its agencies or instrumentalities of a security held by the fund does not apply to the market value of such security or to shares of the fund itself. A security backed by the U.S. Treasury or the full faith and credit of the United States is guaranteed only as to the timely payment of interest and principal when held to maturity.


· Inflation-indexed security risk. Interest payments on inflation-indexed securities can be unpredictable and will vary as the principal and/or interest is periodically adjusted based on the rate of inflation. If the index measuring inflation falls, the interest payable on these securities will be reduced. The U.S. Treasury has guaranteed that in the event of a drop in prices, it would repay the par amount of its inflation-indexed securities. Inflation-indexed securities issued by corporations generally do not guarantee repayment of principal. Any increase in the principal amount of an inflation-indexed security will be considered taxable ordinary income, even though investors do not receive their principal until maturity. As a result, the fund may be required to make annual distributions to shareholders that exceed the cash the fund received, which may cause the fund to liquidate certain investments when it is not advantageous to do so. Also, if the principal value of an inflation-indexed security is adjusted downward due to deflation, amounts previously distributed may be characterized in some circumstances as a return of capital.


· Convertible securities risk. Convertible securities may be converted at either a stated price or stated rate into underlying shares of common stock. Convertible securities generally are subordinated to other similar but non-convertible securities of the same issuer. Although to a lesser extent than with fixed-income securities, the market value of convertible securities tends to decline as interest rates increase. In addition, because of the conversion feature, the market value of convertible securities tends to vary with fluctuations in the market value of the underlying common stock.


· Foreign investment risk. To the extent the fund invests in foreign securities, the fund's performance will be influenced by political, social and economic factors affecting investments in foreign issuers. Special risks associated with investments in foreign issuers include exposure to currency fluctuations, less liquidity, less developed or less efficient trading markets, lack of comprehensive company information, political and economic instability and differing auditing and legal standards. Investments denominated in foreign currencies are subject to the risk that such currencies will decline in value relative to the U.S. dollar and affect the value of these investments held by the fund.


· Emerging market risk. The securities of issuers located or doing substantial business in emerging market countries tend to be more volatile and less liquid than the securities of issuers located in countries with more mature economies. Emerging markets generally have less diverse and less mature economic structures and less stable political systems than those of developed countries. Investments in these countries may be subject to political, economic, legal, market and currency risks. The risks may include less protection of property rights and uncertain political and economic policies, the imposition of capital controls and/or foreign investment limitations by a country, nationalization of businesses and the imposition of sanctions by other countries, such as the United States.


· Foreign government obligations and securities of supranational entities risk. Investing in foreign government obligations, debt obligations of supranational entities and the sovereign debt of foreign countries, including emerging market countries, creates exposure to the direct or indirect consequences of political, social or economic changes in the countries that issue the securities or in which the issuers are located. A governmental obligor may default on its obligations. Some sovereign obligors have been among the world's largest debtors to commercial banks, other governments, international financial organizations and other financial institutions. These obligors, in the past, have experienced substantial difficulties in servicing their external debt obligations, which led to defaults on certain obligations and the restructuring of certain indebtedness.


· Foreign currency risk. Investments in foreign currencies are subject to the risk that those currencies will decline in value relative to the U.S. dollar or, in the case of hedged positions, that the U.S. dollar will decline relative to the currency being hedged. Foreign currencies, particularly the currencies of emerging market countries, are also subject to risks caused by inflation, interest rates, budget deficits and low savings rates, political factors and government intervention and controls.


· Derivatives risk. A small investment in derivatives could have a potentially large impact on the fund's performance. The use of derivatives involves risks different from, or possibly greater than, the risks associated with investing directly in the underlying assets, and the fund's use of derivatives may result in losses to the fund. Derivatives in which the fund may invest can be highly volatile, illiquid and difficult to value, and there is the risk that changes in the value of a derivative held by the fund will not correlate with the underlying assets or the fund's other investments in the manner intended. Certain derivatives have the potential for unlimited loss, regardless of the size of the initial investment, and involve greater risks than the underlying assets because, in addition to general market risks, they are subject to liquidity risk, credit and counterparty risk (failure of the counterparty to the derivatives transaction to honor its obligation) and pricing risk (risk that the derivative cannot or will not be accurately valued). Future rules and regulations of the Securities and Exchange Commission (SEC) may require the fund to alter, perhaps materially, its use of derivatives.


· Leverage risk. The use of leverage, such as entering into contracts for difference, swap agreements, futures contracts or forward currency contracts and engaging in forward commitment transactions, may magnify the fund's gains or losses.


· Liquidity risk. When there is little or no active trading market for specific types of securities, it can become more difficult to sell the securities in a timely manner at or near their perceived value. In such a market, the value of such securities and the fund's share price may fall dramatically. The secondary market for certain municipal bonds tends to be less well developed or liquid than many other securities markets, which may adversely affect the fund's ability to sell such municipal bonds at attractive prices. Investments that are illiquid or that trade in lower volumes may be more difficult to value. The market for below investment grade securities may be less liquid and therefore these securities may be harder to value or sell at an acceptable price, especially during times of market volatility or decline. Investments in foreign securities, particularly those of issuers located in emerging markets, tend to have greater exposure to liquidity risk than domestic securities. No active trading market may exist for some of the floating rate loans in which the fund invests and certain loans may be subject to restrictions on resale. Because some floating rate loans that the fund invests in may have a more limited secondary market, liquidity risk is more pronounced for the fund than for mutual funds that invest primarily in other types of fixed-income instruments or equity securities.


· Issuer risk. A security's market value may decline for a number of reasons which directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer's products or services, or factors that affect the issuer's industry, such as labor shortages or increased production costs and competitive conditions within an industry.


· Market sector risk. The fund may significantly overweight or underweight certain countries, companies, industries or market sectors, which may cause the fund's performance to be more or less sensitive to developments affecting those countries, companies, industries or sectors.
Risk Lose Money [Text] rr_RiskLoseMoney The fund's share price fluctuates, sometimes dramatically, which means you could lose money.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution An investment in the fund is not a bank deposit. It is not insured or guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other government agency.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The following bar chart and table provide some indication of the risks of investing in the fund. The bar chart shows changes in the performance of the fund's Class A shares from year to year. Sales charges, if any, are not reflected in the bar chart, and if those charges were included, returns would have been less than those shown. The table compares the average annual total returns of the fund's shares to those of a broad measure of market performance. The fund's past performance (before and after taxes) is not necessarily an indication of how the fund will perform in the future. More recent performance information may be available at www.bnymellonim.com/us.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart and table provide some indication of the risks of investing in the fund.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.bnymellonim.com/us
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The fund's past performance (before and after taxes) is not necessarily an indication of how the fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Year-by-Year Total Returns as of 12/31 each year (%) Class A
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads Sales charges, if any, are not reflected in the bar chart, and if those charges were included, returns would have been less than those shown.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock

Best Quarter
Q1, 2019: 3.90%


Worst Quarter
Q4, 2018: -1.69%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2019
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 3.90%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2018
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (1.69%)
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deductions for fees, expenses or taxes
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates, and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on the investor's tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their shares through U.S. tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax performance is shown only for Class A shares. After-tax performance of the fund's other share classes will vary.
Performance Table Explanation after Tax Higher rr_PerformanceTableExplanationAfterTaxHigher Returns after taxes on distributions and sale of fund shares may be higher than returns before taxes or returns after taxes on distributions due to an assumed tax benefit from losses on a sale of the fund's shares at the end of the period.
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock

After-tax performance is shown only for Class A shares. After-tax performance of the fund's other share classes will vary. After-tax returns are calculated using the historical highest individual federal marginal income tax rates, and do not reflect the impact of state and local taxes. Actual after-tax returns depend on the investor's tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their shares through U.S. tax-deferred arrangements such as 401(k) plans or individual retirement accounts. Returns after taxes on distributions and sale of fund shares may be higher than returns before taxes or returns after taxes on distributions due to an assumed tax benefit from losses on a sale of the fund's shares at the end of the period.
Average Annual Return, Caption rr_AverageAnnualReturnCaption Average Annual Total Returns (as of 12/31/19)
BNY Mellon Yield Enhancement Strategy Fund | Bloomberg Barclays U.S. Aggregate Bond Index reflects no deductions for fees, expenses or taxes  
Risk/Return: rr_RiskReturnAbstract  
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 8.72%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 3.05%
Average Annual Returns, Since Inception rr_AverageAnnualReturnSinceInception 3.28%
Average Annual Returns, Inception Date rr_AverageAnnualReturnInceptionDate Feb. 28, 2014
BNY Mellon Yield Enhancement Strategy Fund | Lipper Alternative Credit Focus Funds Index reflects no deductions for fees, expenses or taxes  
Risk/Return: rr_RiskReturnAbstract  
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 7.22%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 2.54%
Average Annual Returns, Since Inception rr_AverageAnnualReturnSinceInception 2.12%
Average Annual Returns, Inception Date rr_AverageAnnualReturnInceptionDate Feb. 28, 2014
BNY Mellon Yield Enhancement Strategy Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 4.50%
Maximum deferred sales charge (load) (as a percentage of lower of purchase or sale price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [1]
Management fees rr_ManagementFeesOverAssets none
Distribution (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Shareholder services fees rr_Component1OtherExpensesOverAssets 0.25%
Miscellaneous other expenses rr_Component3OtherExpensesOverAssets 0.22%
Total other expenses rr_OtherExpensesOverAssets 0.47%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.59% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.06%
Expenses Deferred Charges [Text Block] rr_ExpensesDeferredChargesTextBlock Class A shares bought without an initial sales charge as part of an investment of $1 million or more may be charged a deferred sales charge of 1.00% if redeemed within one year.
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 553
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 772
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,008
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,686
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 553
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 772
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,008
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,686
Annual Return 2015 rr_AnnualReturn2015 (0.84%)
Annual Return 2016 rr_AnnualReturn2016 5.77%
Annual Return 2017 rr_AnnualReturn2017 5.32%
Annual Return 2018 rr_AnnualReturn2018 (0.48%)
Annual Return 2019 rr_AnnualReturn2019 8.91%
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 4.03%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 2.71%
Average Annual Returns, Since Inception rr_AverageAnnualReturnSinceInception 2.75%
Average Annual Returns, Inception Date rr_AverageAnnualReturnInceptionDate Mar. 07, 2014
BNY Mellon Yield Enhancement Strategy Fund | Class A | After Taxes on Distributions  
Risk/Return: rr_RiskReturnAbstract  
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 3.36%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 2.01%
Average Annual Returns, Since Inception rr_AverageAnnualReturnSinceInception 2.07%
BNY Mellon Yield Enhancement Strategy Fund | Class A | After Taxes on Distributions and Sale of Fund Shares  
Risk/Return: rr_RiskReturnAbstract  
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 3.28%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 2.27%
Average Annual Returns, Since Inception rr_AverageAnnualReturnSinceInception 2.29%
BNY Mellon Yield Enhancement Strategy Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as a percentage of lower of purchase or sale price) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00%
Management fees rr_ManagementFeesOverAssets none
Distribution (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.75%
Shareholder services fees rr_Component1OtherExpensesOverAssets 0.25%
Miscellaneous other expenses rr_Component3OtherExpensesOverAssets 0.12%
Total other expenses rr_OtherExpensesOverAssets 0.37%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.59% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.71%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 274
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 539
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 928
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,019
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 174
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 539
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 928
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,019
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 7.26%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 2.87%
Average Annual Returns, Since Inception rr_AverageAnnualReturnSinceInception 2.78%
Average Annual Returns, Inception Date rr_AverageAnnualReturnInceptionDate Mar. 07, 2014
BNY Mellon Yield Enhancement Strategy Fund | Class I  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as a percentage of lower of purchase or sale price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management fees rr_ManagementFeesOverAssets none
Distribution (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Shareholder services fees rr_Component1OtherExpensesOverAssets none
Miscellaneous other expenses rr_Component3OtherExpensesOverAssets 0.09%
Total other expenses rr_OtherExpensesOverAssets 0.09%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.59% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 0.68%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 69
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 218
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 379
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 847
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 69
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 218
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 379
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 847
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 9.20%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 3.96%
Average Annual Returns, Since Inception rr_AverageAnnualReturnSinceInception 3.86%
Average Annual Returns, Inception Date rr_AverageAnnualReturnInceptionDate Mar. 07, 2014
BNY Mellon Yield Enhancement Strategy Fund | Class Y  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as a percentage of lower of purchase or sale price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management fees rr_ManagementFeesOverAssets none
Distribution (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Shareholder services fees rr_Component1OtherExpensesOverAssets none
Miscellaneous other expenses rr_Component3OtherExpensesOverAssets 0.06%
Total other expenses rr_OtherExpensesOverAssets 0.06%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.59% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 0.65%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 66
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 208
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 362
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 810
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 66
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 208
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 362
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 810
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 9.24%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 4.01%
Average Annual Returns, Since Inception rr_AverageAnnualReturnSinceInception 3.92%
Average Annual Returns, Inception Date rr_AverageAnnualReturnInceptionDate Mar. 07, 2014
[1] Class A shares bought without an initial sales charge as part of an investment of $1 million or more may be charged a deferred sales charge of 1.00% if redeemed within one year.
[2] Acquired fund fees and expenses are incurred indirectly by the fund as a result of its investment in other investment companies (underlying funds). These fees and expenses are not included in the Financial Highlights tables; accordingly, total annual fund operating expenses do not correlate to the ratio of total expenses to average net assets in the Financial Highlights tables.