v3.26.1
Shareholder Report, Holdings (Details)
May 31, 2026
Fidelity Real Estate High Income Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Real Estate High Income Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Real Estate High Income Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Real Estate High Income Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Real Estate High Income Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Real Estate High Income Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Real Estate High Income Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Real Estate High Income Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Real Estate High Income Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Real Estate High Income Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Real Estate High Income Fund | QDAAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
Fidelity Real Estate High Income Fund | QDAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Real Estate High Income Fund | QDAMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Real Estate High Income Fund | QDBBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Real Estate High Income Fund | QDBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Fidelity Real Estate High Income Fund | QDBMember  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Real Estate High Income Fund | QDCCCCCCMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Real Estate High Income Fund | QDDMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Real Estate High Income Fund | QDNotRatedMember  
Holdings [Line Items]  
Percent of Net Asset Value 56.80%
Fidelity Real Estate High Income Fund | QDEquitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Real Estate High Income Fund | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Real Estate High Income Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 99.70%
Fidelity Real Estate High Income Fund | GrandCaymanUKOverseasTerMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Real Estate High Income Fund | AACMOsandOtherMortgageRelatedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 87.20%
Fidelity Real Estate High Income Fund | AAAssetBackedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Real Estate High Income Fund | AACorporateBondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Real Estate High Income Fund | AABankLoanObligationsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Real Estate High Income Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Real Estate High Income Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Value Strategies Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Value Strategies Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Value Strategies Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Value Strategies Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Value Strategies Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Value Strategies Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Value Strategies Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Value Strategies Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Value Strategies Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Value Strategies Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Value Strategies Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Value Strategies Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Value Strategies Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Value Strategies Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Value Strategies Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.90%
Fidelity Value Strategies Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Value Strategies Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Value Strategies Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Value Strategies Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Value Strategies Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Value Strategies Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Value Strategies Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 88.30%
Fidelity Value Strategies Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Value Strategies Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Value Strategies Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Value Strategies Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Value Strategies Fund | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Value Strategies Fund | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Value Strategies Fund | Portugal  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Value Strategies Fund | Puerto Rico  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Value Strategies Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Value Strategies Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Value Strategies Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
Fidelity Advisor Value Strategies Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Value Strategies Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Value Strategies Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Value Strategies Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Value Strategies Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Value Strategies Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Value Strategies Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Value Strategies Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Value Strategies Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Value Strategies Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Value Strategies Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Advisor Value Strategies Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Advisor Value Strategies Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Advisor Value Strategies Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor Value Strategies Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.90%
Fidelity Advisor Value Strategies Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Value Strategies Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Advisor Value Strategies Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Value Strategies Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Value Strategies Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Advisor Value Strategies Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Value Strategies Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 88.30%
Fidelity Advisor Value Strategies Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor Value Strategies Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Value Strategies Fund - Class M | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Value Strategies Fund - Class M | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Value Strategies Fund - Class M | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Value Strategies Fund - Class M | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Value Strategies Fund - Class M | Portugal  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Value Strategies Fund - Class M | Puerto Rico  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Value Strategies Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Value Strategies Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Value Strategies Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
Fidelity Value Strategies Fund - Class K | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Value Strategies Fund - Class K | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Value Strategies Fund - Class K | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Value Strategies Fund - Class K | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Value Strategies Fund - Class K | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Value Strategies Fund - Class K | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Value Strategies Fund - Class K | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Value Strategies Fund - Class K | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Value Strategies Fund - Class K | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Value Strategies Fund - Class K | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Value Strategies Fund - Class K | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Value Strategies Fund - Class K | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Value Strategies Fund - Class K | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Value Strategies Fund - Class K | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Value Strategies Fund - Class K | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.90%
Fidelity Value Strategies Fund - Class K | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Value Strategies Fund - Class K | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Value Strategies Fund - Class K | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Value Strategies Fund - Class K | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Value Strategies Fund - Class K | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Value Strategies Fund - Class K | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Value Strategies Fund - Class K | United States  
Holdings [Line Items]  
Percent of Net Asset Value 88.30%
Fidelity Value Strategies Fund - Class K | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Value Strategies Fund - Class K | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Value Strategies Fund - Class K | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Value Strategies Fund - Class K | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Value Strategies Fund - Class K | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Value Strategies Fund - Class K | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Value Strategies Fund - Class K | Portugal  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Value Strategies Fund - Class K | Puerto Rico  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Value Strategies Fund - Class K | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Value Strategies Fund - Class K | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Value Strategies Fund - Class K | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
Fidelity Advisor Value Strategies Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Value Strategies Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Value Strategies Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Value Strategies Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Value Strategies Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Value Strategies Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Value Strategies Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Value Strategies Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Value Strategies Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Value Strategies Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Value Strategies Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Advisor Value Strategies Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Advisor Value Strategies Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Advisor Value Strategies Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor Value Strategies Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.90%
Fidelity Advisor Value Strategies Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Value Strategies Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Advisor Value Strategies Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Value Strategies Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Value Strategies Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Advisor Value Strategies Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Value Strategies Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 88.30%
Fidelity Advisor Value Strategies Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor Value Strategies Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Value Strategies Fund - Class I | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Value Strategies Fund - Class I | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Value Strategies Fund - Class I | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Value Strategies Fund - Class I | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Value Strategies Fund - Class I | Portugal  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Value Strategies Fund - Class I | Puerto Rico  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Value Strategies Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Value Strategies Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Value Strategies Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
Fidelity Advisor Value Strategies Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Value Strategies Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Value Strategies Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Value Strategies Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Value Strategies Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Value Strategies Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Value Strategies Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Value Strategies Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Value Strategies Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Value Strategies Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Value Strategies Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Advisor Value Strategies Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Advisor Value Strategies Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Advisor Value Strategies Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor Value Strategies Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.90%
Fidelity Advisor Value Strategies Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Value Strategies Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Advisor Value Strategies Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Value Strategies Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Value Strategies Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Advisor Value Strategies Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Value Strategies Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 88.30%
Fidelity Advisor Value Strategies Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor Value Strategies Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Value Strategies Fund - Class C | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Value Strategies Fund - Class C | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Value Strategies Fund - Class C | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Value Strategies Fund - Class C | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Value Strategies Fund - Class C | Portugal  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Value Strategies Fund - Class C | Puerto Rico  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Value Strategies Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Value Strategies Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Value Strategies Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
Fidelity Advisor Value Strategies Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Value Strategies Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Value Strategies Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Value Strategies Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Value Strategies Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Value Strategies Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Value Strategies Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Value Strategies Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Value Strategies Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Value Strategies Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Value Strategies Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Advisor Value Strategies Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Advisor Value Strategies Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Advisor Value Strategies Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor Value Strategies Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.90%
Fidelity Advisor Value Strategies Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Value Strategies Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Advisor Value Strategies Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Value Strategies Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Value Strategies Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Advisor Value Strategies Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Value Strategies Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 88.30%
Fidelity Advisor Value Strategies Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor Value Strategies Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Value Strategies Fund - Class A | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Value Strategies Fund - Class A | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Value Strategies Fund - Class A | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Value Strategies Fund - Class A | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Value Strategies Fund - Class A | Portugal  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Value Strategies Fund - Class A | Puerto Rico  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Value Strategies Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Value Strategies Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Value Strategies Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
Fidelity Stock Selector Mid Cap Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Stock Selector Mid Cap Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Stock Selector Mid Cap Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Stock Selector Mid Cap Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Stock Selector Mid Cap Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Stock Selector Mid Cap Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Stock Selector Mid Cap Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Stock Selector Mid Cap Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Stock Selector Mid Cap Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Stock Selector Mid Cap Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Stock Selector Mid Cap Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.30%
Fidelity Stock Selector Mid Cap Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
Fidelity Stock Selector Mid Cap Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Stock Selector Mid Cap Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Stock Selector Mid Cap Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.10%
Fidelity Stock Selector Mid Cap Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Stock Selector Mid Cap Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Stock Selector Mid Cap Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Stock Selector Mid Cap Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Stock Selector Mid Cap Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Stock Selector Mid Cap Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Stock Selector Mid Cap Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 95.40%
Fidelity Stock Selector Mid Cap Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Stock Selector Mid Cap Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Stock Selector Mid Cap Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Stock Selector Mid Cap Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Stock Selector Mid Cap Fund | Puerto Rico  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Stock Selector Mid Cap Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Stock Selector Mid Cap Fund | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Stock Selector Mid Cap Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Stock Selector Mid Cap Fund | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Stock Selector Mid Cap Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Stock Selector Mid Cap Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 95.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Puerto Rico  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 95.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Puerto Rico  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 95.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Puerto Rico  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 95.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Puerto Rico  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 95.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Puerto Rico  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Stock Selector Mid Cap Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.60%
Fidelity Advisor Small Cap Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Small Cap Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Small Cap Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Small Cap Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
Fidelity Advisor Small Cap Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
Fidelity Advisor Small Cap Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Fidelity Advisor Small Cap Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Small Cap Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.00%
Fidelity Advisor Small Cap Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor Small Cap Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Small Cap Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Small Cap Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Small Cap Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 89.70%
Fidelity Advisor Small Cap Fund - Class Z | GrandCaymanUKOverseasTerMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Small Cap Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Fund - Class Z | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Fund - Class Z | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Small Cap Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Fund - Class Z | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Fund - Class Z | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class Z | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.70%
Fidelity Advisor Small Cap Fund - Class Z | AADomesticEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Small Cap Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Small Cap Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Small Cap Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
Fidelity Advisor Small Cap Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
Fidelity Advisor Small Cap Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Fidelity Advisor Small Cap Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Small Cap Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.00%
Fidelity Advisor Small Cap Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor Small Cap Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Small Cap Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Small Cap Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Small Cap Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 89.70%
Fidelity Advisor Small Cap Fund - Class M | GrandCaymanUKOverseasTerMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Small Cap Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Fund - Class M | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Fund - Class M | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Small Cap Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Fund - Class M | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Fund - Class M | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class M | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.70%
Fidelity Advisor Small Cap Fund - Class M | AADomesticEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Small Cap Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Small Cap Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Small Cap Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
Fidelity Advisor Small Cap Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
Fidelity Advisor Small Cap Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Fidelity Advisor Small Cap Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Small Cap Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.00%
Fidelity Advisor Small Cap Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor Small Cap Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Small Cap Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Small Cap Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Small Cap Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 89.70%
Fidelity Advisor Small Cap Fund - Class I | GrandCaymanUKOverseasTerMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Small Cap Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Fund - Class I | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Fund - Class I | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Small Cap Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Fund - Class I | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Fund - Class I | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class I | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.70%
Fidelity Advisor Small Cap Fund - Class I | AADomesticEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Small Cap Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Small Cap Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Small Cap Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
Fidelity Advisor Small Cap Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
Fidelity Advisor Small Cap Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Fidelity Advisor Small Cap Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Small Cap Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.00%
Fidelity Advisor Small Cap Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor Small Cap Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Small Cap Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Small Cap Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Small Cap Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 89.70%
Fidelity Advisor Small Cap Fund - Class C | GrandCaymanUKOverseasTerMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Small Cap Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Fund - Class C | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Fund - Class C | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Small Cap Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Fund - Class C | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Fund - Class C | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class C | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.70%
Fidelity Advisor Small Cap Fund - Class C | AADomesticEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Small Cap Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Small Cap Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Small Cap Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
Fidelity Advisor Small Cap Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
Fidelity Advisor Small Cap Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Fidelity Advisor Small Cap Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Small Cap Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.00%
Fidelity Advisor Small Cap Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor Small Cap Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Small Cap Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Small Cap Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Small Cap Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 89.70%
Fidelity Advisor Small Cap Fund - Class A | GrandCaymanUKOverseasTerMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Small Cap Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Fund - Class A | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Fund - Class A | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Small Cap Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Fund - Class A | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Fund - Class A | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Fund - Class A | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.70%
Fidelity Advisor Small Cap Fund - Class A | AADomesticEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Series Growth Opportunities Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
Fidelity Advisor Series Growth Opportunities Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Series Growth Opportunities Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor Series Growth Opportunities Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Series Growth Opportunities Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor Series Growth Opportunities Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Series Growth Opportunities Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Series Growth Opportunities Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Series Growth Opportunities Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Series Growth Opportunities Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Series Growth Opportunities Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Series Growth Opportunities Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 51.90%
Fidelity Advisor Series Growth Opportunities Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity Advisor Series Growth Opportunities Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Fidelity Advisor Series Growth Opportunities Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Series Growth Opportunities Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
Fidelity Advisor Series Growth Opportunities Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Series Growth Opportunities Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
Fidelity Advisor Series Growth Opportunities Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Series Growth Opportunities Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Series Growth Opportunities Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 91.30%
Fidelity Advisor Series Growth Opportunities Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Series Growth Opportunities Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Series Growth Opportunities Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Series Growth Opportunities Fund | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Series Growth Opportunities Fund | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Series Growth Opportunities Fund | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Series Growth Opportunities Fund | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Series Growth Opportunities Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Series Growth Opportunities Fund | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Series Growth Opportunities Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Series Growth Opportunities Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Series Growth Opportunities Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.40%
Fidelity Advisor Series Growth Opportunities Fund | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Series Growth Opportunities Fund | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Series Equity Growth Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
Fidelity Advisor Series Equity Growth Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Series Equity Growth Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Series Equity Growth Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
Fidelity Advisor Series Equity Growth Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Advisor Series Equity Growth Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Series Equity Growth Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Series Equity Growth Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Series Equity Growth Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Series Equity Growth Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Series Equity Growth Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Series Equity Growth Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 48.30%
Fidelity Advisor Series Equity Growth Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Fidelity Advisor Series Equity Growth Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Series Equity Growth Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
Fidelity Advisor Series Equity Growth Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Series Equity Growth Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Advisor Series Equity Growth Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Series Equity Growth Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
Fidelity Advisor Series Equity Growth Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Series Equity Growth Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Series Equity Growth Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 88.80%
Fidelity Advisor Series Equity Growth Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Series Equity Growth Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Series Equity Growth Fund | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Series Equity Growth Fund | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Series Equity Growth Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Series Equity Growth Fund | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Series Equity Growth Fund | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Series Equity Growth Fund | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Series Equity Growth Fund | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Series Equity Growth Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Series Equity Growth Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Series Equity Growth Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.10%
Fidelity Advisor Growth Opportunities Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
Fidelity Advisor Growth Opportunities Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Growth Opportunities Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
Fidelity Advisor Growth Opportunities Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Growth Opportunities Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor Growth Opportunities Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Growth Opportunities Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Growth Opportunities Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Growth Opportunities Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Growth Opportunities Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Growth Opportunities Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Growth Opportunities Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 53.10%
Fidelity Advisor Growth Opportunities Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Growth Opportunities Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Growth Opportunities Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Growth Opportunities Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Fidelity Advisor Growth Opportunities Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Growth Opportunities Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.00%
Fidelity Advisor Growth Opportunities Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Growth Opportunities Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Growth Opportunities Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
Fidelity Advisor Growth Opportunities Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth Opportunities Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Growth Opportunities Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Growth Opportunities Fund - Class Z | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Growth Opportunities Fund - Class Z | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Growth Opportunities Fund - Class Z | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Growth Opportunities Fund - Class Z | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Growth Opportunities Fund - Class Z | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Growth Opportunities Fund - Class Z | Estonia  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Growth Opportunities Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Growth Opportunities Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Growth Opportunities Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
Fidelity Advisor Growth Opportunities Fund - Class Z | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Growth Opportunities Fund - Class Z | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Growth Opportunities Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
Fidelity Advisor Growth Opportunities Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Growth Opportunities Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
Fidelity Advisor Growth Opportunities Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Growth Opportunities Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor Growth Opportunities Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Growth Opportunities Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Growth Opportunities Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Growth Opportunities Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Growth Opportunities Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Growth Opportunities Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Growth Opportunities Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 53.10%
Fidelity Advisor Growth Opportunities Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Growth Opportunities Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Growth Opportunities Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Growth Opportunities Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Fidelity Advisor Growth Opportunities Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Growth Opportunities Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.00%
Fidelity Advisor Growth Opportunities Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Growth Opportunities Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Growth Opportunities Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
Fidelity Advisor Growth Opportunities Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth Opportunities Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Growth Opportunities Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Growth Opportunities Fund - Class M | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Growth Opportunities Fund - Class M | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Growth Opportunities Fund - Class M | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Growth Opportunities Fund - Class M | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Growth Opportunities Fund - Class M | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Growth Opportunities Fund - Class M | Estonia  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Growth Opportunities Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Growth Opportunities Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Growth Opportunities Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
Fidelity Advisor Growth Opportunities Fund - Class M | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Growth Opportunities Fund - Class M | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Growth Opportunities Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
Fidelity Advisor Growth Opportunities Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Growth Opportunities Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
Fidelity Advisor Growth Opportunities Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Growth Opportunities Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor Growth Opportunities Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Growth Opportunities Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Growth Opportunities Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Growth Opportunities Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Growth Opportunities Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Growth Opportunities Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Growth Opportunities Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 53.10%
Fidelity Advisor Growth Opportunities Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Growth Opportunities Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Growth Opportunities Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Growth Opportunities Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Fidelity Advisor Growth Opportunities Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Growth Opportunities Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.00%
Fidelity Advisor Growth Opportunities Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Growth Opportunities Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Growth Opportunities Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
Fidelity Advisor Growth Opportunities Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth Opportunities Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Growth Opportunities Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Growth Opportunities Fund - Class I | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Growth Opportunities Fund - Class I | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Growth Opportunities Fund - Class I | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Growth Opportunities Fund - Class I | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Growth Opportunities Fund - Class I | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Growth Opportunities Fund - Class I | Estonia  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Growth Opportunities Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Growth Opportunities Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Growth Opportunities Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
Fidelity Advisor Growth Opportunities Fund - Class I | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Growth Opportunities Fund - Class I | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Growth Opportunities Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
Fidelity Advisor Growth Opportunities Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Growth Opportunities Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
Fidelity Advisor Growth Opportunities Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Growth Opportunities Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor Growth Opportunities Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Growth Opportunities Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Growth Opportunities Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Growth Opportunities Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Growth Opportunities Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Growth Opportunities Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Growth Opportunities Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 53.10%
Fidelity Advisor Growth Opportunities Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Growth Opportunities Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Growth Opportunities Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Growth Opportunities Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Fidelity Advisor Growth Opportunities Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Growth Opportunities Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.00%
Fidelity Advisor Growth Opportunities Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Growth Opportunities Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Growth Opportunities Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
Fidelity Advisor Growth Opportunities Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth Opportunities Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Growth Opportunities Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Growth Opportunities Fund - Class C | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Growth Opportunities Fund - Class C | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Growth Opportunities Fund - Class C | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Growth Opportunities Fund - Class C | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Growth Opportunities Fund - Class C | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Growth Opportunities Fund - Class C | Estonia  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Growth Opportunities Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Growth Opportunities Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Growth Opportunities Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
Fidelity Advisor Growth Opportunities Fund - Class C | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Growth Opportunities Fund - Class C | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Growth Opportunities Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
Fidelity Advisor Growth Opportunities Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Growth Opportunities Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
Fidelity Advisor Growth Opportunities Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Growth Opportunities Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor Growth Opportunities Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Growth Opportunities Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Growth Opportunities Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Growth Opportunities Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Growth Opportunities Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Growth Opportunities Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Growth Opportunities Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 53.10%
Fidelity Advisor Growth Opportunities Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Growth Opportunities Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Growth Opportunities Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Growth Opportunities Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Fidelity Advisor Growth Opportunities Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Growth Opportunities Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.00%
Fidelity Advisor Growth Opportunities Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Growth Opportunities Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Growth Opportunities Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
Fidelity Advisor Growth Opportunities Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth Opportunities Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Growth Opportunities Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Growth Opportunities Fund - Class A | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Growth Opportunities Fund - Class A | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Growth Opportunities Fund - Class A | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Growth Opportunities Fund - Class A | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Growth Opportunities Fund - Class A | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Growth Opportunities Fund - Class A | Estonia  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Growth Opportunities Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Growth Opportunities Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Growth Opportunities Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
Fidelity Advisor Growth Opportunities Fund - Class A | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Growth Opportunities Fund - Class A | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Equity Growth Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Advisor Equity Growth Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Fidelity Advisor Equity Growth Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Equity Growth Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor Equity Growth Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Equity Growth Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Equity Growth Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Equity Growth Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Equity Growth Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Equity Growth Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Equity Growth Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Equity Growth Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 48.10%
Fidelity Advisor Equity Growth Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Equity Growth Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
Fidelity Advisor Equity Growth Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Equity Growth Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor Equity Growth Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Equity Growth Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
Fidelity Advisor Equity Growth Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Equity Growth Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 88.90%
Fidelity Advisor Equity Growth Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Equity Growth Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Equity Growth Fund - Class Z | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Equity Growth Fund - Class Z | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Equity Growth Fund - Class Z | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Equity Growth Fund - Class Z | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Equity Growth Fund - Class Z | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Equity Growth Fund - Class Z | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Equity Growth Fund - Class Z | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Equity Growth Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Equity Growth Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%
Fidelity Advisor Equity Growth Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Advisor Equity Growth Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Fidelity Advisor Equity Growth Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Equity Growth Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor Equity Growth Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Equity Growth Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Equity Growth Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Equity Growth Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Equity Growth Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Equity Growth Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Equity Growth Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Equity Growth Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 48.10%
Fidelity Advisor Equity Growth Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Equity Growth Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
Fidelity Advisor Equity Growth Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Equity Growth Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor Equity Growth Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Equity Growth Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
Fidelity Advisor Equity Growth Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Equity Growth Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 88.90%
Fidelity Advisor Equity Growth Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Equity Growth Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Equity Growth Fund - Class M | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Equity Growth Fund - Class M | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Equity Growth Fund - Class M | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Equity Growth Fund - Class M | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Equity Growth Fund - Class M | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Equity Growth Fund - Class M | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Equity Growth Fund - Class M | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Equity Growth Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Equity Growth Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%
Fidelity Advisor Equity Growth Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Advisor Equity Growth Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Fidelity Advisor Equity Growth Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Equity Growth Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor Equity Growth Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Equity Growth Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Equity Growth Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Equity Growth Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Equity Growth Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Equity Growth Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Equity Growth Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Equity Growth Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 48.10%
Fidelity Advisor Equity Growth Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Equity Growth Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
Fidelity Advisor Equity Growth Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Equity Growth Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor Equity Growth Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Equity Growth Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
Fidelity Advisor Equity Growth Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Equity Growth Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 88.90%
Fidelity Advisor Equity Growth Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Equity Growth Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Equity Growth Fund - Class I | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Equity Growth Fund - Class I | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Equity Growth Fund - Class I | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Equity Growth Fund - Class I | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Equity Growth Fund - Class I | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Equity Growth Fund - Class I | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Equity Growth Fund - Class I | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Equity Growth Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Equity Growth Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%
Fidelity Advisor Equity Growth Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Advisor Equity Growth Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Fidelity Advisor Equity Growth Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Equity Growth Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor Equity Growth Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Equity Growth Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Equity Growth Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Equity Growth Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Equity Growth Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Equity Growth Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Equity Growth Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Equity Growth Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 48.10%
Fidelity Advisor Equity Growth Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Equity Growth Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
Fidelity Advisor Equity Growth Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Equity Growth Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor Equity Growth Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Equity Growth Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
Fidelity Advisor Equity Growth Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Equity Growth Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 88.90%
Fidelity Advisor Equity Growth Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Equity Growth Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Equity Growth Fund - Class C | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Equity Growth Fund - Class C | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Equity Growth Fund - Class C | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Equity Growth Fund - Class C | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Equity Growth Fund - Class C | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Equity Growth Fund - Class C | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Equity Growth Fund - Class C | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Equity Growth Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Equity Growth Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%
Fidelity Advisor Equity Growth Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Advisor Equity Growth Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Fidelity Advisor Equity Growth Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Equity Growth Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor Equity Growth Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Equity Growth Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Equity Growth Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Equity Growth Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Equity Growth Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Equity Growth Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Equity Growth Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Equity Growth Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 48.10%
Fidelity Advisor Equity Growth Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Equity Growth Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
Fidelity Advisor Equity Growth Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Equity Growth Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor Equity Growth Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Equity Growth Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
Fidelity Advisor Equity Growth Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Equity Growth Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 88.90%
Fidelity Advisor Equity Growth Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Equity Growth Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Equity Growth Fund - Class A | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Equity Growth Fund - Class A | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Equity Growth Fund - Class A | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Equity Growth Fund - Class A | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Equity Growth Fund - Class A | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Equity Growth Fund - Class A | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Equity Growth Fund - Class A | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Equity Growth Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Equity Growth Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Equity Growth Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%