S 000015656 Summary1 [Member] Prospectus Summary Prospectus Summary S 000015656 [Member] BNY Mellon Global Stock Fund BNY Mellon Global Stock Fund C 000042690 [Member] A A C 000042691 [Member] C C C 000042692 [Member] I I C 000130440 [Member] Y Y cik0000737520_PrincipalRisks2Member [Member] Principal Risks Principal Risks cik0000737520_Risksofstockinvesting2Member [Member] · Risks of stock investing · Risks of stock investing cik0000737520_Large-capstockrisk2Member [Member] · Large-cap stock risk · Large-cap stock risk cik0000737520_Growthstockrisk2Member [Member] · Growth stock risk · Growth stock risk cik0000737520_Marketrisk2Member [Member] · Market risk · Market risk cik0000737520_Foreigninvestmentrisk2Member [Member] · Foreign investment risk · Foreign investment risk cik0000737520_Liquidityrisk2Member [Member] · Liquidity risk · Liquidity risk cik0000737520_Managementrisk2Member [Member] · Management risk · Management risk cik0000737520_MSCIWorldIndexreflectsnodeductionsforfeesexpensesortaxes31Member [Member] MSCI World Index reflects no deductions for fees, expenses or taxes MSCI World Index reflects no deductions for fees, expenses or taxes S 000015657 Summary2 [Member] Prospectus Summary Prospectus Summary S 000015657 [Member] BNY Mellon International Stock Fund BNY Mellon International Stock Fund C 000042694 [Member] A A C 000042695 [Member] C C C 000042696 [Member] I I C 000130441 [Member] Y Y cik0000737520_MSCIEAFEIndexreflectsnodeductionsforfeesexpensesortaxes32Member [Member] MSCI EAFE® Index reflects no deductions for fees, expenses or taxes MSCI EAFE® Index reflects no deductions for fees, expenses or taxes Document [Axis] Series [Axis] Prospectus Prospectus [Table] Risk/Return: Performance Measure [Axis] Class [Axis] Before Taxes After Taxes on Distributions After Taxes on Distributions and Sales Risk [Axis] All Risks [Member] Risk Lose Money [Member] Risk Not Insured [Member] Risk Nondiversified Status [Member] Risk Not Insured Depository Institution [Member] Risk Money Market Fund Price Fluctuates [Member] Risk Money Market Fund May Impose Fees or Suspend Sales [Member] Risk Money Market Fund Sponsor May Not Provide Support [Member] Risk Money Market Fund May Not Preserve Dollar [Member] Risks [Table Text Block] Risks [Table Text Block]