2.4.0.8020002 - Document - Risk/Return Summary {Unlabeled} - Dreyfus Growth Allocation Fundfalsefalsefalse1false falsefalseS000026630Memberhttp://www.sec.gov/CIK0000737520duration2013-07-30T00:00:002013-07-30T00:00:001false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00Dreyfus Growth Allocation Fundfalsefalsefalse1false truefalseS000026630Memberhttp://www.sec.gov/CIK0000737520duration2013-07-30T00:00:002013-07-30T00:00:00falsefalseDreyfus Growth Allocation Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000737520_S000026630Memberdei_LegalEntityAxisexplicitMembernanafalse0Dreyfus Growth Allocation Fund2false 4rr_RiskReturnHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Dreyfus Growth Allocation Fundfalsefalsefalsexbrli:stringItemTypestringRisk/Return Summary Investment Objectives/Goals Include the following information, in plain English under rule 421(d) under the Securities Act, in the order and subject matter indicatedReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 2 false0Risk/Return [Heading]3false 4ck0000737520_SupplementTextBlockck0000737520_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 July 30, 2013 DREYFUS ALLOCATION FUNDS DREYFUS GROWTH ALLOCATION FUND Supplement to Summary Prospectus dated March 14, 2013 and Statutory Prospectus dated  January 1, 2013 As Revised March 14, 2013 falsefalsefalsenonnum:textBlockItemTypenaNo authoritative reference available.No definition available.false0Supplement [Text Block]4false 4rr_StrategyNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 The following supersedes the information contained in the funds' summary prospectus under the section entitled "Principal Investment Strategy — Equity Investments — U.S. Mid-/Small-Cap" and "Fund Summary — Principal Investment Strategy — Equity Investments — U.S. Mid-/Small-Cap" in the statutory prospectus and "Fund Details – Goal and Approach— Equity Investments — U.S. Mid-/Small-Cap" in the statutory prospectus: For each Fund, Dreyfus Structured MidCap Core Fund replaces Dreyfus MidCap Core Fund. The following supersedes the information contained in the funds' summary prospectus under the section entitled "Principal Investment Strategy — Fixed-Income Investments — U.S. Fixed-Income" and "Fund Summary — Principal Investment Strategy — Fixed-Income Investments — U.S. Fixed-Income" in the statutory prospectus and "Fund Details – Goal and Approach— Fixed-Income Investments — U.S. Fixed-Income" in the statutory prospectus: For each Fund, Dreyfus Intermediate Term Income Fund replaces Dreyfus Total Return Advantage Fund. falsefalsefalsenonnum:textBlockItemTypenaPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a false0Strategy Narrative [Text Block]falseRisk/Return Summary - Dreyfus Growth Allocation Fund (Dreyfus Growth Allocation Fund)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://dreyfus.com/20130730/role/DocumentRiskReturnSummaryUnlabeledDreyfusGrowthAllocationFund14