Shareholder services fees Miscellaneous other expenses BNY Mellon Short Term Income Fund Class A Class D Class I Class Y Fixed-income market risk [Member] High yield securities risk [Member] Liquidity risk [Member] Foreign investment risk [Member] Emerging market risk [Member] Inflation-indexed security risk [Member] Government securities risk [Member] Municipal securities risk [Member] Mortgage-related securities risk [Member] Asset-backed securities risk [Member] Convertible securities risk [Member] Preferred stock risk [Member] Floating rate loan risk [Member] Derivatives risk [Member] Portfolio turnover risk [Member] Issuer risk [Member] Market risk [Member] Management risk [Member] Interest Rate Risk [Member] Credit Risk [Member] ICE BofA Merrill Lynch 1-5 Year U.S. Corporate/Government Index reflects no deductions for fees, expenses or taxes Bloomberg U.S. Aggregate Bond Index reflects no deductions for fees, expenses or taxes Emerging Market Risk Member Assetbacked Securities Risk Member Management Risk Member CreditRiskMember Floating Rate Loan Risk Member Preferred Stock Risk Member Mortgagerelated Securities Risk Member C000236997 Member Municipal Securities Risk Member index_ ICE_ Bof A_ Merrill_ Lynch_15_ Year_ US_ Corporate Government_ Index_reflects_no_deductions_for_fees_expenses_or_taxes Member Liquidity Risk Member Foreign Investment Risk Member Market Risk Member Inflationindexed Security Risk Member Convertible Securities Risk Member Portfolio Turnover Risk Member index_ Bloomberg_ US_ Aggregate_ Bond_ Index_reflects_no_deductions_for_fees_expenses_or_taxes Member C000236999 Member C000000727 Member InterestRateRiskMember Derivatives Risk Member Government Securities Risk Member C000236998 Member High Yield Securities Risk Member Issuer Risk Member Fixedincome Market Risk Member S000000297 Member