v3.25.2
Shareholder Report, Holdings (Details)
Jul. 31, 2025
Fidelity Small Cap Value Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Small Cap Value Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Small Cap Value Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Small Cap Value Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Small Cap Value Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Small Cap Value Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Small Cap Value Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Small Cap Value Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Small Cap Value Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Small Cap Value Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Small Cap Value Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 30.10%
Fidelity Small Cap Value Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Small Cap Value Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Small Cap Value Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
Fidelity Small Cap Value Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Small Cap Value Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Small Cap Value Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
Fidelity Small Cap Value Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Small Cap Value Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Small Cap Value Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Small Cap Value Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 94.50%
Fidelity Small Cap Value Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Small Cap Value Fund | Bermuda  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Small Cap Value Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Small Cap Value Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.90%
Fidelity Small Cap Value Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Small Cap Value Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Small Cap Value Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Small Cap Value Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Small Cap Value Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Small Cap Value Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Value Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Value Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Value Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Value Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Value Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Small Cap Value Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 30.10%
Fidelity Advisor Small Cap Value Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Small Cap Value Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Small Cap Value Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
Fidelity Advisor Small Cap Value Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Small Cap Value Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Small Cap Value Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
Fidelity Advisor Small Cap Value Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Small Cap Value Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor Small Cap Value Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Small Cap Value Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 94.50%
Fidelity Advisor Small Cap Value Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Small Cap Value Fund - Class Z | Bermuda  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Value Fund - Class Z | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Value Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.90%
Fidelity Advisor Small Cap Value Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Small Cap Value Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Small Cap Value Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Small Cap Value Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Small Cap Value Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Small Cap Value Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Value Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Value Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Value Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Value Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Value Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Small Cap Value Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 30.10%
Fidelity Advisor Small Cap Value Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Small Cap Value Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Small Cap Value Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
Fidelity Advisor Small Cap Value Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Small Cap Value Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Small Cap Value Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
Fidelity Advisor Small Cap Value Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Small Cap Value Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor Small Cap Value Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Small Cap Value Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 94.50%
Fidelity Advisor Small Cap Value Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Small Cap Value Fund - Class M | Bermuda  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Value Fund - Class M | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Value Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.90%
Fidelity Advisor Small Cap Value Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Small Cap Value Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Small Cap Value Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Small Cap Value Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Small Cap Value Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Small Cap Value Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Value Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Value Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Value Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Value Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Value Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Small Cap Value Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 30.10%
Fidelity Advisor Small Cap Value Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Small Cap Value Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Small Cap Value Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
Fidelity Advisor Small Cap Value Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Small Cap Value Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Small Cap Value Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
Fidelity Advisor Small Cap Value Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Small Cap Value Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor Small Cap Value Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Small Cap Value Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 94.50%
Fidelity Advisor Small Cap Value Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Small Cap Value Fund - Class I | Bermuda  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Value Fund - Class I | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Value Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.90%
Fidelity Advisor Small Cap Value Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Small Cap Value Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Small Cap Value Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Small Cap Value Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Small Cap Value Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Small Cap Value Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Value Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Value Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Value Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Value Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Value Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Small Cap Value Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 30.10%
Fidelity Advisor Small Cap Value Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Small Cap Value Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Small Cap Value Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
Fidelity Advisor Small Cap Value Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Small Cap Value Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Small Cap Value Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
Fidelity Advisor Small Cap Value Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Small Cap Value Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor Small Cap Value Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Small Cap Value Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 94.50%
Fidelity Advisor Small Cap Value Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Small Cap Value Fund - Class C | Bermuda  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Value Fund - Class C | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Value Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.90%
Fidelity Advisor Small Cap Value Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Small Cap Value Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Small Cap Value Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Small Cap Value Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Small Cap Value Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Small Cap Value Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Value Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Value Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Value Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Value Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Value Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Small Cap Value Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 30.10%
Fidelity Advisor Small Cap Value Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Small Cap Value Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Small Cap Value Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
Fidelity Advisor Small Cap Value Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Small Cap Value Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Small Cap Value Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
Fidelity Advisor Small Cap Value Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Small Cap Value Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor Small Cap Value Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Small Cap Value Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 94.50%
Fidelity Advisor Small Cap Value Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Small Cap Value Fund - Class A | Bermuda  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Value Fund - Class A | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Value Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.90%
Fidelity Advisor Small Cap Value Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Small Cap Growth K6 Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Small Cap Growth K6 Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Small Cap Growth K6 Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Small Cap Growth K6 Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Small Cap Growth K6 Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Small Cap Growth K6 Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Small Cap Growth K6 Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Small Cap Growth K6 Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Small Cap Growth K6 Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Small Cap Growth K6 Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Small Cap Growth K6 Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Small Cap Growth K6 Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
Fidelity Small Cap Growth K6 Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 22.50%
Fidelity Small Cap Growth K6 Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Small Cap Growth K6 Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
Fidelity Small Cap Growth K6 Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Small Cap Growth K6 Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
Fidelity Small Cap Growth K6 Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Small Cap Growth K6 Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Small Cap Growth K6 Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Small Cap Growth K6 Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Small Cap Growth K6 Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 91.50%
Fidelity Small Cap Growth K6 Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Small Cap Growth K6 Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Small Cap Growth K6 Fund | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Small Cap Growth K6 Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Small Cap Growth K6 Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Small Cap Growth K6 Fund | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Small Cap Growth K6 Fund | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Small Cap Growth K6 Fund | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Small Cap Growth K6 Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Small Cap Growth K6 Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.70%
Fidelity Small Cap Growth K6 Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Small Cap Growth K6 Fund | AADomesticEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Small Cap Growth K6 Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Small Cap Growth K6 Fund | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Small Cap Growth Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Small Cap Growth Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Small Cap Growth Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Small Cap Growth Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Small Cap Growth Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Small Cap Growth Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Small Cap Growth Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Small Cap Growth Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Small Cap Growth Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Small Cap Growth Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Small Cap Growth Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Fidelity Small Cap Growth Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.80%
Fidelity Small Cap Growth Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 23.50%
Fidelity Small Cap Growth Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Small Cap Growth Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
Fidelity Small Cap Growth Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Small Cap Growth Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Small Cap Growth Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Small Cap Growth Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Small Cap Growth Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Small Cap Growth Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Small Cap Growth Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 91.10%
Fidelity Small Cap Growth Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Small Cap Growth Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Small Cap Growth Fund | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Small Cap Growth Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Small Cap Growth Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Small Cap Growth Fund | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Small Cap Growth Fund | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Small Cap Growth Fund | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Small Cap Growth Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Small Cap Growth Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.50%
Fidelity Small Cap Growth Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Small Cap Growth Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Small Cap Growth Fund | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Small Cap Growth Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Growth Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Growth Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Growth Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Small Cap Growth Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Small Cap Growth Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Growth Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Fidelity Advisor Small Cap Growth Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.80%
Fidelity Advisor Small Cap Growth Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 23.50%
Fidelity Advisor Small Cap Growth Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Small Cap Growth Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
Fidelity Advisor Small Cap Growth Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Growth Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor Small Cap Growth Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Growth Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Small Cap Growth Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Growth Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Growth Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 91.10%
Fidelity Advisor Small Cap Growth Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Growth Fund - Class Z | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Small Cap Growth Fund - Class Z | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Growth Fund - Class Z | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Small Cap Growth Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class Z | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Growth Fund - Class Z | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Growth Fund - Class Z | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Growth Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.50%
Fidelity Advisor Small Cap Growth Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Small Cap Growth Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Growth Fund - Class Z | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Small Cap Growth Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Growth Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Growth Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Growth Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Small Cap Growth Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Small Cap Growth Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Growth Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Fidelity Advisor Small Cap Growth Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.80%
Fidelity Advisor Small Cap Growth Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 23.50%
Fidelity Advisor Small Cap Growth Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Small Cap Growth Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
Fidelity Advisor Small Cap Growth Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Growth Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor Small Cap Growth Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Growth Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Small Cap Growth Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Growth Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Growth Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 91.10%
Fidelity Advisor Small Cap Growth Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Growth Fund - Class M | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Small Cap Growth Fund - Class M | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Growth Fund - Class M | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Small Cap Growth Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class M | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Growth Fund - Class M | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Growth Fund - Class M | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Growth Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.50%
Fidelity Advisor Small Cap Growth Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Small Cap Growth Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Growth Fund - Class M | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Small Cap Growth Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Growth Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Growth Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Growth Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Small Cap Growth Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Small Cap Growth Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Growth Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Fidelity Advisor Small Cap Growth Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.80%
Fidelity Advisor Small Cap Growth Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 23.50%
Fidelity Advisor Small Cap Growth Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Small Cap Growth Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
Fidelity Advisor Small Cap Growth Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Growth Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor Small Cap Growth Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Growth Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Small Cap Growth Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Growth Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Growth Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 91.10%
Fidelity Advisor Small Cap Growth Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Growth Fund - Class I | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Small Cap Growth Fund - Class I | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Growth Fund - Class I | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Small Cap Growth Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class I | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Growth Fund - Class I | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Growth Fund - Class I | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Growth Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.50%
Fidelity Advisor Small Cap Growth Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Small Cap Growth Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Growth Fund - Class I | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Small Cap Growth Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Growth Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Growth Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Growth Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Small Cap Growth Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Small Cap Growth Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Growth Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Fidelity Advisor Small Cap Growth Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.80%
Fidelity Advisor Small Cap Growth Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 23.50%
Fidelity Advisor Small Cap Growth Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Small Cap Growth Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
Fidelity Advisor Small Cap Growth Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Growth Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor Small Cap Growth Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Growth Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Small Cap Growth Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Growth Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Growth Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 91.10%
Fidelity Advisor Small Cap Growth Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Growth Fund - Class C | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Small Cap Growth Fund - Class C | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Growth Fund - Class C | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Small Cap Growth Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class C | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Growth Fund - Class C | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Growth Fund - Class C | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Growth Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.50%
Fidelity Advisor Small Cap Growth Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Small Cap Growth Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Growth Fund - Class C | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Small Cap Growth Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Growth Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Small Cap Growth Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Growth Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Small Cap Growth Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Small Cap Growth Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Growth Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Fidelity Advisor Small Cap Growth Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.80%
Fidelity Advisor Small Cap Growth Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 23.50%
Fidelity Advisor Small Cap Growth Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Small Cap Growth Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
Fidelity Advisor Small Cap Growth Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Small Cap Growth Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor Small Cap Growth Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Small Cap Growth Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Small Cap Growth Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Small Cap Growth Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Small Cap Growth Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 91.10%
Fidelity Advisor Small Cap Growth Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Small Cap Growth Fund - Class A | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Small Cap Growth Fund - Class A | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Small Cap Growth Fund - Class A | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Small Cap Growth Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class A | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Small Cap Growth Fund - Class A | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Growth Fund - Class A | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Small Cap Growth Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Small Cap Growth Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.50%
Fidelity Advisor Small Cap Growth Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Small Cap Growth Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Small Cap Growth Fund - Class A | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Series Small Cap Opportunities Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Series Small Cap Opportunities Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Series Small Cap Opportunities Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Series Small Cap Opportunities Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Series Small Cap Opportunities Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Series Small Cap Opportunities Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Series Small Cap Opportunities Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Series Small Cap Opportunities Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Series Small Cap Opportunities Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Series Small Cap Opportunities Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Series Small Cap Opportunities Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
Fidelity Series Small Cap Opportunities Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
Fidelity Series Small Cap Opportunities Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
Fidelity Series Small Cap Opportunities Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Series Small Cap Opportunities Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 20.60%
Fidelity Series Small Cap Opportunities Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Series Small Cap Opportunities Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Series Small Cap Opportunities Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Series Small Cap Opportunities Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Series Small Cap Opportunities Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Fidelity Series Small Cap Opportunities Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Series Small Cap Opportunities Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 87.20%
Fidelity Series Small Cap Opportunities Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Series Small Cap Opportunities Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Series Small Cap Opportunities Fund | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Series Small Cap Opportunities Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Series Small Cap Opportunities Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Series Small Cap Opportunities Fund | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Series Small Cap Opportunities Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Series Small Cap Opportunities Fund | Puerto Rico  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Series Small Cap Opportunities Fund | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Series Small Cap Opportunities Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%
Fidelity Series Small Cap Opportunities Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Series Real Estate Income Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Series Real Estate Income Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Series Real Estate Income Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Series Real Estate Income Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Series Real Estate Income Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Series Real Estate Income Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Series Real Estate Income Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Series Real Estate Income Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Series Real Estate Income Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Series Real Estate Income Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Series Real Estate Income Fund | QDAAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Series Real Estate Income Fund | QDAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Series Real Estate Income Fund | QDAMember  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Fidelity Series Real Estate Income Fund | QDBBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
Fidelity Series Real Estate Income Fund | QDBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
Fidelity Series Real Estate Income Fund | QDBMember  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Fidelity Series Real Estate Income Fund | QDCCCCCCMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Series Real Estate Income Fund | QDNotRatedMember  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Series Real Estate Income Fund | QDEquitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 21.40%
Fidelity Series Real Estate Income Fund | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 12.00%
Fidelity Series Real Estate Income Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 99.50%
Fidelity Series Real Estate Income Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Series Real Estate Income Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Series Real Estate Income Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Series Real Estate Income Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 12.00%
Fidelity Series Real Estate Income Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 21.40%
Fidelity Series Real Estate Income Fund | AACorporateBondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 43.70%
Fidelity Series Real Estate Income Fund | AACMOsandOtherMortgageRelatedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 20.00%
Fidelity Series Real Estate Income Fund | AAAssetBackedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Series Real Estate Income Fund | AABankLoanObligationsMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Series Blue Chip Growth Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.70%
Fidelity Series Blue Chip Growth Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Series Blue Chip Growth Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Series Blue Chip Growth Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
Fidelity Series Blue Chip Growth Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Fidelity Series Blue Chip Growth Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Series Blue Chip Growth Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Series Blue Chip Growth Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Series Blue Chip Growth Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Series Blue Chip Growth Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Series Blue Chip Growth Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Series Blue Chip Growth Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 49.10%
Fidelity Series Blue Chip Growth Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Series Blue Chip Growth Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Series Blue Chip Growth Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
Fidelity Series Blue Chip Growth Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Series Blue Chip Growth Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.90%
Fidelity Series Blue Chip Growth Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Series Blue Chip Growth Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
Fidelity Series Blue Chip Growth Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Series Blue Chip Growth Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Series Blue Chip Growth Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 94.40%
Fidelity Series Blue Chip Growth Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Series Blue Chip Growth Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Series Blue Chip Growth Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Series Blue Chip Growth Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Series Blue Chip Growth Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Series Blue Chip Growth Fund | India  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Series Blue Chip Growth Fund | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Series Blue Chip Growth Fund | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Series Blue Chip Growth Fund | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Series Blue Chip Growth Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.90%
Fidelity Series Blue Chip Growth Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Series Blue Chip Growth Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Series Blue Chip Growth Fund | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Series Blue Chip Growth Fund | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Real Estate Income Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Real Estate Income Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Real Estate Income Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Real Estate Income Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Real Estate Income Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Real Estate Income Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Real Estate Income Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Real Estate Income Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Real Estate Income Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Real Estate Income Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Real Estate Income Fund | QDAAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Real Estate Income Fund | QDAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Real Estate Income Fund | QDAMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Real Estate Income Fund | QDBBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
Fidelity Real Estate Income Fund | QDBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
Fidelity Real Estate Income Fund | QDBMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Real Estate Income Fund | QDCCCCCCMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Real Estate Income Fund | QDNotRatedMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
Fidelity Real Estate Income Fund | QDEquitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 34.20%
Fidelity Real Estate Income Fund | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Real Estate Income Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 99.50%
Fidelity Real Estate Income Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Real Estate Income Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Real Estate Income Fund | GrandCaymanUKOverseasTerMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Real Estate Income Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
Fidelity Real Estate Income Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Real Estate Income Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
Fidelity Real Estate Income Fund | AACorporateBondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 30.20%
Fidelity Real Estate Income Fund | AACMOsandOtherMortgageRelatedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 21.60%
Fidelity Real Estate Income Fund | AAAssetBackedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Real Estate Income Fund | AABankLoanObligationsMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Real Estate Income Fund | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Real Estate Income Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Real Estate Income Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Real Estate Income Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Real Estate Income Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Real Estate Income Fund - Class Z | QDAAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Real Estate Income Fund - Class Z | QDAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class Z | QDAMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Real Estate Income Fund - Class Z | QDBBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
Fidelity Advisor Real Estate Income Fund - Class Z | QDBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
Fidelity Advisor Real Estate Income Fund - Class Z | QDBMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Real Estate Income Fund - Class Z | QDCCCCCCMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Real Estate Income Fund - Class Z | QDNotRatedMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
Fidelity Advisor Real Estate Income Fund - Class Z | QDEquitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 34.20%
Fidelity Advisor Real Estate Income Fund - Class Z | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Real Estate Income Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 99.50%
Fidelity Advisor Real Estate Income Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Real Estate Income Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Real Estate Income Fund - Class Z | GrandCaymanUKOverseasTerMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Real Estate Income Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
Fidelity Advisor Real Estate Income Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Real Estate Income Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
Fidelity Advisor Real Estate Income Fund - Class Z | AACorporateBondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 30.20%
Fidelity Advisor Real Estate Income Fund - Class Z | AACMOsandOtherMortgageRelatedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 21.60%
Fidelity Advisor Real Estate Income Fund - Class Z | AAAssetBackedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class Z | AABankLoanObligationsMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class Z | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Real Estate Income Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Real Estate Income Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Real Estate Income Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Real Estate Income Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Real Estate Income Fund - Class M | QDAAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Real Estate Income Fund - Class M | QDAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class M | QDAMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Real Estate Income Fund - Class M | QDBBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
Fidelity Advisor Real Estate Income Fund - Class M | QDBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
Fidelity Advisor Real Estate Income Fund - Class M | QDBMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Real Estate Income Fund - Class M | QDCCCCCCMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Real Estate Income Fund - Class M | QDNotRatedMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
Fidelity Advisor Real Estate Income Fund - Class M | QDEquitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 34.20%
Fidelity Advisor Real Estate Income Fund - Class M | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Real Estate Income Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 99.50%
Fidelity Advisor Real Estate Income Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Real Estate Income Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Real Estate Income Fund - Class M | GrandCaymanUKOverseasTerMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Real Estate Income Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
Fidelity Advisor Real Estate Income Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Real Estate Income Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
Fidelity Advisor Real Estate Income Fund - Class M | AACorporateBondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 30.20%
Fidelity Advisor Real Estate Income Fund - Class M | AACMOsandOtherMortgageRelatedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 21.60%
Fidelity Advisor Real Estate Income Fund - Class M | AAAssetBackedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class M | AABankLoanObligationsMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class M | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Real Estate Income Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Real Estate Income Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Real Estate Income Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Real Estate Income Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Real Estate Income Fund - Class I | QDAAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Real Estate Income Fund - Class I | QDAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class I | QDAMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Real Estate Income Fund - Class I | QDBBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
Fidelity Advisor Real Estate Income Fund - Class I | QDBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
Fidelity Advisor Real Estate Income Fund - Class I | QDBMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Real Estate Income Fund - Class I | QDCCCCCCMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Real Estate Income Fund - Class I | QDNotRatedMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
Fidelity Advisor Real Estate Income Fund - Class I | QDEquitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 34.20%
Fidelity Advisor Real Estate Income Fund - Class I | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Real Estate Income Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 99.50%
Fidelity Advisor Real Estate Income Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Real Estate Income Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Real Estate Income Fund - Class I | GrandCaymanUKOverseasTerMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Real Estate Income Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
Fidelity Advisor Real Estate Income Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Real Estate Income Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
Fidelity Advisor Real Estate Income Fund - Class I | AACorporateBondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 30.20%
Fidelity Advisor Real Estate Income Fund - Class I | AACMOsandOtherMortgageRelatedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 21.60%
Fidelity Advisor Real Estate Income Fund - Class I | AAAssetBackedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class I | AABankLoanObligationsMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class I | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Real Estate Income Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Real Estate Income Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Real Estate Income Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Real Estate Income Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Real Estate Income Fund - Class C | QDAAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Real Estate Income Fund - Class C | QDAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class C | QDAMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Real Estate Income Fund - Class C | QDBBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
Fidelity Advisor Real Estate Income Fund - Class C | QDBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
Fidelity Advisor Real Estate Income Fund - Class C | QDBMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Real Estate Income Fund - Class C | QDCCCCCCMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Real Estate Income Fund - Class C | QDNotRatedMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
Fidelity Advisor Real Estate Income Fund - Class C | QDEquitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 34.20%
Fidelity Advisor Real Estate Income Fund - Class C | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Real Estate Income Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 99.50%
Fidelity Advisor Real Estate Income Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Real Estate Income Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Real Estate Income Fund - Class C | GrandCaymanUKOverseasTerMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Real Estate Income Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
Fidelity Advisor Real Estate Income Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Real Estate Income Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
Fidelity Advisor Real Estate Income Fund - Class C | AACorporateBondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 30.20%
Fidelity Advisor Real Estate Income Fund - Class C | AACMOsandOtherMortgageRelatedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 21.60%
Fidelity Advisor Real Estate Income Fund - Class C | AAAssetBackedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class C | AABankLoanObligationsMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class C | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Real Estate Income Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Real Estate Income Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Real Estate Income Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Real Estate Income Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Real Estate Income Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Real Estate Income Fund - Class A | QDAAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Real Estate Income Fund - Class A | QDAAMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Real Estate Income Fund - Class A | QDAMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Real Estate Income Fund - Class A | QDBBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
Fidelity Advisor Real Estate Income Fund - Class A | QDBBMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
Fidelity Advisor Real Estate Income Fund - Class A | QDBMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Real Estate Income Fund - Class A | QDCCCCCCMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Real Estate Income Fund - Class A | QDNotRatedMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
Fidelity Advisor Real Estate Income Fund - Class A | QDEquitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 34.20%
Fidelity Advisor Real Estate Income Fund - Class A | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Real Estate Income Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 99.50%
Fidelity Advisor Real Estate Income Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Real Estate Income Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Real Estate Income Fund - Class A | GrandCaymanUKOverseasTerMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Real Estate Income Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
Fidelity Advisor Real Estate Income Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Real Estate Income Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
Fidelity Advisor Real Estate Income Fund - Class A | AACorporateBondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 30.20%
Fidelity Advisor Real Estate Income Fund - Class A | AACMOsandOtherMortgageRelatedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 21.60%
Fidelity Advisor Real Estate Income Fund - Class A | AAAssetBackedSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class A | AABankLoanObligationsMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Real Estate Income Fund - Class A | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity OTC Portfolio | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity OTC Portfolio | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity OTC Portfolio | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity OTC Portfolio | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity OTC Portfolio | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity OTC Portfolio | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity OTC Portfolio | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity OTC Portfolio | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity OTC Portfolio | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity OTC Portfolio | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity OTC Portfolio | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity OTC Portfolio | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 50.00%
Fidelity OTC Portfolio | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity OTC Portfolio | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity OTC Portfolio | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity OTC Portfolio | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity OTC Portfolio | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity OTC Portfolio | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity OTC Portfolio | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Fidelity OTC Portfolio | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity OTC Portfolio | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity OTC Portfolio | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.30%
Fidelity OTC Portfolio | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity OTC Portfolio | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity OTC Portfolio | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity OTC Portfolio | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity OTC Portfolio | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity OTC Portfolio | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity OTC Portfolio | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity OTC Portfolio | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity OTC Portfolio | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
Fidelity OTC Portfolio | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity OTC Portfolio | AADomesticEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity OTC Portfolio | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity OTC Portfolio - Class K | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity OTC Portfolio - Class K | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity OTC Portfolio - Class K | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity OTC Portfolio - Class K | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity OTC Portfolio - Class K | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity OTC Portfolio - Class K | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity OTC Portfolio - Class K | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity OTC Portfolio - Class K | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity OTC Portfolio - Class K | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity OTC Portfolio - Class K | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity OTC Portfolio - Class K | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity OTC Portfolio - Class K | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 50.00%
Fidelity OTC Portfolio - Class K | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity OTC Portfolio - Class K | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity OTC Portfolio - Class K | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity OTC Portfolio - Class K | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity OTC Portfolio - Class K | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity OTC Portfolio - Class K | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity OTC Portfolio - Class K | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Fidelity OTC Portfolio - Class K | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity OTC Portfolio - Class K | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity OTC Portfolio - Class K | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.30%
Fidelity OTC Portfolio - Class K | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity OTC Portfolio - Class K | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity OTC Portfolio - Class K | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity OTC Portfolio - Class K | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity OTC Portfolio - Class K | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity OTC Portfolio - Class K | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity OTC Portfolio - Class K | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity OTC Portfolio - Class K | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity OTC Portfolio - Class K | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
Fidelity OTC Portfolio - Class K | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity OTC Portfolio - Class K | AADomesticEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity OTC Portfolio - Class K | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity OTC K6 Portfolio | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Fidelity OTC K6 Portfolio | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
Fidelity OTC K6 Portfolio | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.20%
Fidelity OTC K6 Portfolio | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity OTC K6 Portfolio | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity OTC K6 Portfolio | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity OTC K6 Portfolio | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Fidelity OTC K6 Portfolio | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity OTC K6 Portfolio | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity OTC K6 Portfolio | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity OTC K6 Portfolio | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity OTC K6 Portfolio | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 50.20%
Fidelity OTC K6 Portfolio | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Fidelity OTC K6 Portfolio | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity OTC K6 Portfolio | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity OTC K6 Portfolio | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity OTC K6 Portfolio | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity OTC K6 Portfolio | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity OTC K6 Portfolio | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
Fidelity OTC K6 Portfolio | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity OTC K6 Portfolio | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity OTC K6 Portfolio | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.20%
Fidelity OTC K6 Portfolio | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity OTC K6 Portfolio | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity OTC K6 Portfolio | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity OTC K6 Portfolio | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity OTC K6 Portfolio | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity OTC K6 Portfolio | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity OTC K6 Portfolio | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity OTC K6 Portfolio | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity OTC K6 Portfolio | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 93.10%
Fidelity OTC K6 Portfolio | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity OTC K6 Portfolio | AADomesticEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity OTC K6 Portfolio | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Leveraged Company Stock Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Leveraged Company Stock Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity Leveraged Company Stock Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Leveraged Company Stock Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Leveraged Company Stock Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Leveraged Company Stock Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Leveraged Company Stock Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Leveraged Company Stock Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Leveraged Company Stock Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Leveraged Company Stock Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Leveraged Company Stock Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
Fidelity Leveraged Company Stock Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.60%
Fidelity Leveraged Company Stock Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Leveraged Company Stock Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Leveraged Company Stock Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Leveraged Company Stock Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Leveraged Company Stock Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Leveraged Company Stock Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Leveraged Company Stock Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Leveraged Company Stock Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Leveraged Company Stock Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 95.20%
Fidelity Leveraged Company Stock Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Leveraged Company Stock Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Leveraged Company Stock Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Leveraged Company Stock Fund | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Leveraged Company Stock Fund | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Leveraged Company Stock Fund | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Leveraged Company Stock Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
Fidelity Leveraged Company Stock Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Leveraged Company Stock Fund | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Leveraged Company Stock Fund - Class K | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Leveraged Company Stock Fund - Class K | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity Leveraged Company Stock Fund - Class K | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Leveraged Company Stock Fund - Class K | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Leveraged Company Stock Fund - Class K | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Leveraged Company Stock Fund - Class K | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Leveraged Company Stock Fund - Class K | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Leveraged Company Stock Fund - Class K | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Leveraged Company Stock Fund - Class K | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Leveraged Company Stock Fund - Class K | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Leveraged Company Stock Fund - Class K | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
Fidelity Leveraged Company Stock Fund - Class K | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.60%
Fidelity Leveraged Company Stock Fund - Class K | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Leveraged Company Stock Fund - Class K | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Leveraged Company Stock Fund - Class K | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Leveraged Company Stock Fund - Class K | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Leveraged Company Stock Fund - Class K | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Leveraged Company Stock Fund - Class K | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Leveraged Company Stock Fund - Class K | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Leveraged Company Stock Fund - Class K | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Leveraged Company Stock Fund - Class K | United States  
Holdings [Line Items]  
Percent of Net Asset Value 95.20%
Fidelity Leveraged Company Stock Fund - Class K | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Leveraged Company Stock Fund - Class K | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Leveraged Company Stock Fund - Class K | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Leveraged Company Stock Fund - Class K | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Leveraged Company Stock Fund - Class K | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Leveraged Company Stock Fund - Class K | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Leveraged Company Stock Fund - Class K | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
Fidelity Leveraged Company Stock Fund - Class K | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Leveraged Company Stock Fund - Class K | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Growth & Income Portfolio | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Growth & Income Portfolio | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Growth & Income Portfolio | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
Fidelity Growth & Income Portfolio | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Growth & Income Portfolio | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Growth & Income Portfolio | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Growth & Income Portfolio | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Growth & Income Portfolio | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Growth & Income Portfolio | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Growth & Income Portfolio | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Growth & Income Portfolio | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Growth & Income Portfolio | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.20%
Fidelity Growth & Income Portfolio | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Growth & Income Portfolio | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Growth & Income Portfolio | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Growth & Income Portfolio | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Growth & Income Portfolio | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Growth & Income Portfolio | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Growth & Income Portfolio | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Growth & Income Portfolio | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
Fidelity Growth & Income Portfolio | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Growth & Income Portfolio | United States  
Holdings [Line Items]  
Percent of Net Asset Value 90.70%
Fidelity Growth & Income Portfolio | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Growth & Income Portfolio | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Growth & Income Portfolio | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Growth & Income Portfolio | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Growth & Income Portfolio | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Growth & Income Portfolio | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Growth & Income Portfolio | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Growth & Income Portfolio | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Growth & Income Portfolio | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Growth & Income Portfolio | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.60%
Fidelity Growth & Income Portfolio | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Growth & Income Portfolio | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Growth & Income Portfolio - Class K | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Growth & Income Portfolio - Class K | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Growth & Income Portfolio - Class K | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
Fidelity Growth & Income Portfolio - Class K | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Growth & Income Portfolio - Class K | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Growth & Income Portfolio - Class K | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Growth & Income Portfolio - Class K | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Growth & Income Portfolio - Class K | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Growth & Income Portfolio - Class K | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Growth & Income Portfolio - Class K | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Growth & Income Portfolio - Class K | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Growth & Income Portfolio - Class K | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.20%
Fidelity Growth & Income Portfolio - Class K | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Growth & Income Portfolio - Class K | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Growth & Income Portfolio - Class K | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Growth & Income Portfolio - Class K | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Growth & Income Portfolio - Class K | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Growth & Income Portfolio - Class K | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Growth & Income Portfolio - Class K | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Growth & Income Portfolio - Class K | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
Fidelity Growth & Income Portfolio - Class K | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Growth & Income Portfolio - Class K | United States  
Holdings [Line Items]  
Percent of Net Asset Value 90.70%
Fidelity Growth & Income Portfolio - Class K | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Growth & Income Portfolio - Class K | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Growth & Income Portfolio - Class K | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Growth & Income Portfolio - Class K | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Growth & Income Portfolio - Class K | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Growth & Income Portfolio - Class K | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Growth & Income Portfolio - Class K | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Growth & Income Portfolio - Class K | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Growth & Income Portfolio - Class K | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Growth & Income Portfolio - Class K | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.60%
Fidelity Growth & Income Portfolio - Class K | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Growth & Income Portfolio - Class K | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Dividend Growth Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Fidelity Dividend Growth Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity Dividend Growth Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Dividend Growth Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Dividend Growth Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Dividend Growth Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Dividend Growth Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Dividend Growth Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Dividend Growth Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Dividend Growth Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Dividend Growth Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
Fidelity Dividend Growth Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
Fidelity Dividend Growth Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Dividend Growth Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Dividend Growth Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
Fidelity Dividend Growth Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Dividend Growth Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Dividend Growth Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Dividend Growth Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Dividend Growth Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Dividend Growth Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Dividend Growth Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 89.30%
Fidelity Dividend Growth Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Dividend Growth Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Dividend Growth Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Dividend Growth Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Dividend Growth Fund | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Dividend Growth Fund | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Dividend Growth Fund | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Dividend Growth Fund | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Dividend Growth Fund | Norway  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Dividend Growth Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 100.50%
Fidelity Dividend Growth Fund - Class K | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Fidelity Dividend Growth Fund - Class K | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity Dividend Growth Fund - Class K | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Dividend Growth Fund - Class K | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Dividend Growth Fund - Class K | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Dividend Growth Fund - Class K | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Dividend Growth Fund - Class K | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Dividend Growth Fund - Class K | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Dividend Growth Fund - Class K | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Dividend Growth Fund - Class K | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Dividend Growth Fund - Class K | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
Fidelity Dividend Growth Fund - Class K | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
Fidelity Dividend Growth Fund - Class K | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Dividend Growth Fund - Class K | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Dividend Growth Fund - Class K | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
Fidelity Dividend Growth Fund - Class K | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Dividend Growth Fund - Class K | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Dividend Growth Fund - Class K | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Dividend Growth Fund - Class K | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Dividend Growth Fund - Class K | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Dividend Growth Fund - Class K | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Dividend Growth Fund - Class K | United States  
Holdings [Line Items]  
Percent of Net Asset Value 89.30%
Fidelity Dividend Growth Fund - Class K | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Dividend Growth Fund - Class K | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Dividend Growth Fund - Class K | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Dividend Growth Fund - Class K | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Dividend Growth Fund - Class K | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Dividend Growth Fund - Class K | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Dividend Growth Fund - Class K | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Dividend Growth Fund - Class K | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Dividend Growth Fund - Class K | Norway  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Dividend Growth Fund - Class K | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 100.50%
Fidelity Blue Chip Value Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Blue Chip Value Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Blue Chip Value Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Blue Chip Value Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Blue Chip Value Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Blue Chip Value Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Blue Chip Value Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Blue Chip Value Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Blue Chip Value Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Blue Chip Value Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Blue Chip Value Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 24.00%
Fidelity Blue Chip Value Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Blue Chip Value Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
Fidelity Blue Chip Value Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
Fidelity Blue Chip Value Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Blue Chip Value Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
Fidelity Blue Chip Value Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Fidelity Blue Chip Value Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
Fidelity Blue Chip Value Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 11.10%
Fidelity Blue Chip Value Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Blue Chip Value Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 92.00%
Fidelity Blue Chip Value Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Blue Chip Value Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Fidelity Blue Chip Value Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
Fidelity Blue Chip Value Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Blue Chip Growth K6 Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.80%
Fidelity Blue Chip Growth K6 Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
Fidelity Blue Chip Growth K6 Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Blue Chip Growth K6 Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Blue Chip Growth K6 Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Blue Chip Growth K6 Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Blue Chip Growth K6 Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Fidelity Blue Chip Growth K6 Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Blue Chip Growth K6 Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Blue Chip Growth K6 Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Blue Chip Growth K6 Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Blue Chip Growth K6 Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 45.20%
Fidelity Blue Chip Growth K6 Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Fidelity Blue Chip Growth K6 Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Blue Chip Growth K6 Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
Fidelity Blue Chip Growth K6 Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Blue Chip Growth K6 Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Blue Chip Growth K6 Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Blue Chip Growth K6 Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
Fidelity Blue Chip Growth K6 Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Blue Chip Growth K6 Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Blue Chip Growth K6 Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.80%
Fidelity Blue Chip Growth K6 Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Blue Chip Growth K6 Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Blue Chip Growth K6 Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Blue Chip Growth K6 Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Blue Chip Growth K6 Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Blue Chip Growth K6 Fund | India  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Blue Chip Growth K6 Fund | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Blue Chip Growth K6 Fund | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Blue Chip Growth K6 Fund | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Blue Chip Growth K6 Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.80%
Fidelity Blue Chip Growth K6 Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Blue Chip Growth K6 Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Blue Chip Growth K6 Fund | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Blue Chip Growth K6 Fund | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Blue Chip Growth Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
Fidelity Blue Chip Growth Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Blue Chip Growth Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
Fidelity Blue Chip Growth Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
Fidelity Blue Chip Growth Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Blue Chip Growth Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Blue Chip Growth Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Blue Chip Growth Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Blue Chip Growth Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Blue Chip Growth Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Blue Chip Growth Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Blue Chip Growth Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 47.20%
Fidelity Blue Chip Growth Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Blue Chip Growth Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Blue Chip Growth Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Blue Chip Growth Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Blue Chip Growth Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
Fidelity Blue Chip Growth Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Blue Chip Growth Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Blue Chip Growth Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Blue Chip Growth Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Blue Chip Growth Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.90%
Fidelity Blue Chip Growth Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Blue Chip Growth Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Blue Chip Growth Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Blue Chip Growth Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Blue Chip Growth Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Blue Chip Growth Fund | India  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Blue Chip Growth Fund | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Blue Chip Growth Fund | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Blue Chip Growth Fund | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Blue Chip Growth Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
Fidelity Blue Chip Growth Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Blue Chip Growth Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Blue Chip Growth Fund | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Blue Chip Growth Fund | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Blue Chip Growth Fund - Class K | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
Fidelity Blue Chip Growth Fund - Class K | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Blue Chip Growth Fund - Class K | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
Fidelity Blue Chip Growth Fund - Class K | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
Fidelity Blue Chip Growth Fund - Class K | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Blue Chip Growth Fund - Class K | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Blue Chip Growth Fund - Class K | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Blue Chip Growth Fund - Class K | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Blue Chip Growth Fund - Class K | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Blue Chip Growth Fund - Class K | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Blue Chip Growth Fund - Class K | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Blue Chip Growth Fund - Class K | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 47.20%
Fidelity Blue Chip Growth Fund - Class K | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Blue Chip Growth Fund - Class K | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Blue Chip Growth Fund - Class K | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Blue Chip Growth Fund - Class K | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Blue Chip Growth Fund - Class K | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
Fidelity Blue Chip Growth Fund - Class K | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Blue Chip Growth Fund - Class K | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Blue Chip Growth Fund - Class K | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Blue Chip Growth Fund - Class K | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Blue Chip Growth Fund - Class K | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.90%
Fidelity Blue Chip Growth Fund - Class K | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Blue Chip Growth Fund - Class K | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Blue Chip Growth Fund - Class K | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Blue Chip Growth Fund - Class K | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Blue Chip Growth Fund - Class K | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Blue Chip Growth Fund - Class K | India  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Blue Chip Growth Fund - Class K | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Blue Chip Growth Fund - Class K | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Blue Chip Growth Fund - Class K | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Blue Chip Growth Fund - Class K | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
Fidelity Blue Chip Growth Fund - Class K | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Blue Chip Growth Fund - Class K | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Blue Chip Growth Fund - Class K | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Blue Chip Growth Fund - Class K | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Leveraged Company Stock Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor Leveraged Company Stock Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity Advisor Leveraged Company Stock Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor Leveraged Company Stock Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Leveraged Company Stock Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Leveraged Company Stock Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Leveraged Company Stock Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Leveraged Company Stock Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Leveraged Company Stock Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Leveraged Company Stock Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Leveraged Company Stock Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
Fidelity Advisor Leveraged Company Stock Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.60%
Fidelity Advisor Leveraged Company Stock Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Leveraged Company Stock Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Leveraged Company Stock Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Leveraged Company Stock Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Advisor Leveraged Company Stock Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Leveraged Company Stock Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Advisor Leveraged Company Stock Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Leveraged Company Stock Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Advisor Leveraged Company Stock Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 95.20%
Fidelity Advisor Leveraged Company Stock Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Leveraged Company Stock Fund - Class A | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Leveraged Company Stock Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Leveraged Company Stock Fund - Class A | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Leveraged Company Stock Fund - Class A | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Leveraged Company Stock Fund - Class A | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Leveraged Company Stock Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
Fidelity Advisor Leveraged Company Stock Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Leveraged Company Stock Fund - Class A | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Leveraged Company Stock Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor Leveraged Company Stock Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity Advisor Leveraged Company Stock Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor Leveraged Company Stock Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Leveraged Company Stock Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Leveraged Company Stock Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Leveraged Company Stock Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Leveraged Company Stock Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Leveraged Company Stock Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Leveraged Company Stock Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Leveraged Company Stock Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
Fidelity Advisor Leveraged Company Stock Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.60%
Fidelity Advisor Leveraged Company Stock Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Leveraged Company Stock Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Leveraged Company Stock Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Leveraged Company Stock Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Advisor Leveraged Company Stock Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Leveraged Company Stock Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Advisor Leveraged Company Stock Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Leveraged Company Stock Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Advisor Leveraged Company Stock Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 95.20%
Fidelity Advisor Leveraged Company Stock Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Leveraged Company Stock Fund - Class M | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Leveraged Company Stock Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Leveraged Company Stock Fund - Class M | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Leveraged Company Stock Fund - Class M | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Leveraged Company Stock Fund - Class M | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Leveraged Company Stock Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
Fidelity Advisor Leveraged Company Stock Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Leveraged Company Stock Fund - Class M | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Leveraged Company Stock Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor Leveraged Company Stock Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity Advisor Leveraged Company Stock Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor Leveraged Company Stock Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Leveraged Company Stock Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Leveraged Company Stock Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Leveraged Company Stock Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Leveraged Company Stock Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Leveraged Company Stock Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Leveraged Company Stock Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Leveraged Company Stock Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
Fidelity Advisor Leveraged Company Stock Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.60%
Fidelity Advisor Leveraged Company Stock Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Leveraged Company Stock Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Leveraged Company Stock Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Leveraged Company Stock Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Advisor Leveraged Company Stock Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Leveraged Company Stock Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Advisor Leveraged Company Stock Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Leveraged Company Stock Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Advisor Leveraged Company Stock Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 95.20%
Fidelity Advisor Leveraged Company Stock Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Leveraged Company Stock Fund - Class C | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Leveraged Company Stock Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Leveraged Company Stock Fund - Class C | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Leveraged Company Stock Fund - Class C | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Leveraged Company Stock Fund - Class C | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Leveraged Company Stock Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
Fidelity Advisor Leveraged Company Stock Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Leveraged Company Stock Fund - Class C | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Leveraged Company Stock Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor Leveraged Company Stock Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity Advisor Leveraged Company Stock Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor Leveraged Company Stock Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Leveraged Company Stock Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Leveraged Company Stock Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Leveraged Company Stock Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Leveraged Company Stock Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Leveraged Company Stock Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Leveraged Company Stock Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Leveraged Company Stock Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
Fidelity Advisor Leveraged Company Stock Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.60%
Fidelity Advisor Leveraged Company Stock Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Leveraged Company Stock Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Leveraged Company Stock Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Leveraged Company Stock Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Advisor Leveraged Company Stock Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Leveraged Company Stock Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Advisor Leveraged Company Stock Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Leveraged Company Stock Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Advisor Leveraged Company Stock Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 95.20%
Fidelity Advisor Leveraged Company Stock Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Leveraged Company Stock Fund - Class I | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Leveraged Company Stock Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Leveraged Company Stock Fund - Class I | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Leveraged Company Stock Fund - Class I | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Leveraged Company Stock Fund - Class I | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Leveraged Company Stock Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
Fidelity Advisor Leveraged Company Stock Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Leveraged Company Stock Fund - Class I | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.60%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 95.20%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Leveraged Company Stock Fund - Class Z | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Blue Chip Growth Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
Fidelity Advisor Blue Chip Growth Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Blue Chip Growth Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
Fidelity Advisor Blue Chip Growth Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
Fidelity Advisor Blue Chip Growth Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Blue Chip Growth Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Blue Chip Growth Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Blue Chip Growth Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Blue Chip Growth Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Blue Chip Growth Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Blue Chip Growth Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Blue Chip Growth Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 47.20%
Fidelity Advisor Blue Chip Growth Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Blue Chip Growth Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Blue Chip Growth Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Blue Chip Growth Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Blue Chip Growth Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
Fidelity Advisor Blue Chip Growth Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Blue Chip Growth Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Advisor Blue Chip Growth Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Blue Chip Growth Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Blue Chip Growth Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.90%
Fidelity Advisor Blue Chip Growth Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Blue Chip Growth Fund - Class A | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class A | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class A | India  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Blue Chip Growth Fund - Class A | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class A | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Blue Chip Growth Fund - Class A | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
Fidelity Advisor Blue Chip Growth Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Blue Chip Growth Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Blue Chip Growth Fund - Class A | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Blue Chip Growth Fund - Class A | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Blue Chip Growth Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
Fidelity Advisor Blue Chip Growth Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Blue Chip Growth Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
Fidelity Advisor Blue Chip Growth Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
Fidelity Advisor Blue Chip Growth Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Blue Chip Growth Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Blue Chip Growth Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Blue Chip Growth Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Blue Chip Growth Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Blue Chip Growth Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Blue Chip Growth Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Blue Chip Growth Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 47.20%
Fidelity Advisor Blue Chip Growth Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Blue Chip Growth Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Blue Chip Growth Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Blue Chip Growth Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Blue Chip Growth Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
Fidelity Advisor Blue Chip Growth Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Blue Chip Growth Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Advisor Blue Chip Growth Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Blue Chip Growth Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Blue Chip Growth Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.90%
Fidelity Advisor Blue Chip Growth Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Blue Chip Growth Fund - Class M | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class M | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class M | India  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Blue Chip Growth Fund - Class M | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class M | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Blue Chip Growth Fund - Class M | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
Fidelity Advisor Blue Chip Growth Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Blue Chip Growth Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Blue Chip Growth Fund - Class M | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Blue Chip Growth Fund - Class M | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Blue Chip Growth Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
Fidelity Advisor Blue Chip Growth Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Blue Chip Growth Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
Fidelity Advisor Blue Chip Growth Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
Fidelity Advisor Blue Chip Growth Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Blue Chip Growth Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Blue Chip Growth Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Blue Chip Growth Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Blue Chip Growth Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Blue Chip Growth Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Blue Chip Growth Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Blue Chip Growth Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 47.20%
Fidelity Advisor Blue Chip Growth Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Blue Chip Growth Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Blue Chip Growth Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Blue Chip Growth Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Blue Chip Growth Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
Fidelity Advisor Blue Chip Growth Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Blue Chip Growth Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Advisor Blue Chip Growth Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Blue Chip Growth Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Blue Chip Growth Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.90%
Fidelity Advisor Blue Chip Growth Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Blue Chip Growth Fund - Class C | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class C | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class C | India  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Blue Chip Growth Fund - Class C | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class C | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Blue Chip Growth Fund - Class C | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
Fidelity Advisor Blue Chip Growth Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Blue Chip Growth Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Blue Chip Growth Fund - Class C | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Blue Chip Growth Fund - Class C | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Blue Chip Growth Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
Fidelity Advisor Blue Chip Growth Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Blue Chip Growth Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
Fidelity Advisor Blue Chip Growth Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
Fidelity Advisor Blue Chip Growth Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Blue Chip Growth Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Blue Chip Growth Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Blue Chip Growth Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Blue Chip Growth Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Blue Chip Growth Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Blue Chip Growth Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Blue Chip Growth Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 47.20%
Fidelity Advisor Blue Chip Growth Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Blue Chip Growth Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Blue Chip Growth Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Blue Chip Growth Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Blue Chip Growth Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
Fidelity Advisor Blue Chip Growth Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Blue Chip Growth Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Advisor Blue Chip Growth Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Blue Chip Growth Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Blue Chip Growth Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.90%
Fidelity Advisor Blue Chip Growth Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Blue Chip Growth Fund - Class I | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class I | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class I | India  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Blue Chip Growth Fund - Class I | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class I | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Blue Chip Growth Fund - Class I | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
Fidelity Advisor Blue Chip Growth Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Blue Chip Growth Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Blue Chip Growth Fund - Class I | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Blue Chip Growth Fund - Class I | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Blue Chip Growth Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
Fidelity Advisor Blue Chip Growth Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Blue Chip Growth Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
Fidelity Advisor Blue Chip Growth Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
Fidelity Advisor Blue Chip Growth Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Blue Chip Growth Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Blue Chip Growth Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Blue Chip Growth Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Blue Chip Growth Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Blue Chip Growth Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Blue Chip Growth Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 47.20%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Blue Chip Growth Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.90%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class Z | India  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Blue Chip Growth Fund - Class Z | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Blue Chip Growth Fund - Class Z | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Blue Chip Growth Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
Fidelity Advisor Blue Chip Growth Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor Blue Chip Growth Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Blue Chip Growth Fund - Class Z | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Blue Chip Growth Fund - Class Z | AAPreferredSecuritiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Fidelity Advisor OTC Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor OTC Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor OTC Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor OTC Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity Advisor OTC Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor OTC Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor OTC Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor OTC Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor OTC Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor OTC Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor OTC Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor OTC Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 50.00%
Fidelity Advisor OTC Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor OTC Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor OTC Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor OTC Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor OTC Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity Advisor OTC Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor OTC Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Fidelity Advisor OTC Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.30%
Fidelity Advisor OTC Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor OTC Fund - Class A | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor OTC Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor OTC Fund - Class A | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor OTC Fund - Class A | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class A | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor OTC Fund - Class A | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor OTC Fund - Class A | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor OTC Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
Fidelity Advisor OTC Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor OTC Fund - Class A | AADomesticEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor OTC Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor OTC Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor OTC Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor OTC Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor OTC Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity Advisor OTC Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor OTC Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor OTC Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor OTC Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor OTC Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor OTC Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor OTC Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor OTC Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 50.00%
Fidelity Advisor OTC Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor OTC Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor OTC Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor OTC Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor OTC Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity Advisor OTC Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor OTC Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Fidelity Advisor OTC Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.30%
Fidelity Advisor OTC Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor OTC Fund - Class M | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor OTC Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor OTC Fund - Class M | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor OTC Fund - Class M | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class M | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor OTC Fund - Class M | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor OTC Fund - Class M | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor OTC Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
Fidelity Advisor OTC Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor OTC Fund - Class M | AADomesticEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor OTC Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor OTC Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor OTC Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor OTC Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor OTC Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity Advisor OTC Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor OTC Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor OTC Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor OTC Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor OTC Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor OTC Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor OTC Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor OTC Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 50.00%
Fidelity Advisor OTC Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor OTC Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor OTC Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor OTC Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor OTC Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity Advisor OTC Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor OTC Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Fidelity Advisor OTC Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.30%
Fidelity Advisor OTC Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor OTC Fund - Class C | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor OTC Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor OTC Fund - Class C | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor OTC Fund - Class C | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class C | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor OTC Fund - Class C | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor OTC Fund - Class C | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor OTC Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
Fidelity Advisor OTC Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor OTC Fund - Class C | AADomesticEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor OTC Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor OTC Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor OTC Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor OTC Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor OTC Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity Advisor OTC Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor OTC Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor OTC Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor OTC Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor OTC Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor OTC Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor OTC Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor OTC Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 50.00%
Fidelity Advisor OTC Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor OTC Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor OTC Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor OTC Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor OTC Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity Advisor OTC Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor OTC Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Fidelity Advisor OTC Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.30%
Fidelity Advisor OTC Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor OTC Fund - Class I | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor OTC Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor OTC Fund - Class I | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor OTC Fund - Class I | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class I | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor OTC Fund - Class I | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor OTC Fund - Class I | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor OTC Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
Fidelity Advisor OTC Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor OTC Fund - Class I | AADomesticEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor OTC Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor OTC Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor OTC Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor OTC Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor OTC Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity Advisor OTC Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor OTC Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor OTC Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor OTC Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor OTC Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor OTC Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor OTC Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor OTC Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 50.00%
Fidelity Advisor OTC Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor OTC Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor OTC Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor OTC Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor OTC Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity Advisor OTC Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor OTC Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Fidelity Advisor OTC Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 93.30%
Fidelity Advisor OTC Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor OTC Fund - Class Z | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor OTC Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor OTC Fund - Class Z | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor OTC Fund - Class Z | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor OTC Fund - Class Z | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor OTC Fund - Class Z | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor OTC Fund - Class Z | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor OTC Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
Fidelity Advisor OTC Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor OTC Fund - Class Z | AADomesticEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor OTC Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Growth & Income Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor Growth & Income Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor Growth & Income Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
Fidelity Advisor Growth & Income Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Growth & Income Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Growth & Income Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Growth & Income Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Growth & Income Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Growth & Income Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Growth & Income Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Growth & Income Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Growth & Income Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.20%
Fidelity Advisor Growth & Income Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Growth & Income Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Growth & Income Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Growth & Income Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Growth & Income Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Growth & Income Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Growth & Income Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Growth & Income Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
Fidelity Advisor Growth & Income Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Growth & Income Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 90.70%
Fidelity Advisor Growth & Income Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Growth & Income Fund - Class A | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth & Income Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Growth & Income Fund - Class A | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class A | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth & Income Fund - Class A | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Growth & Income Fund - Class A | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Growth & Income Fund - Class A | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.60%
Fidelity Advisor Growth & Income Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Growth & Income Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Growth & Income Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor Growth & Income Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor Growth & Income Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
Fidelity Advisor Growth & Income Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Growth & Income Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Growth & Income Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Growth & Income Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Growth & Income Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Growth & Income Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Growth & Income Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Growth & Income Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Growth & Income Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.20%
Fidelity Advisor Growth & Income Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Growth & Income Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Growth & Income Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Growth & Income Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Growth & Income Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Growth & Income Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Growth & Income Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Growth & Income Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
Fidelity Advisor Growth & Income Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Growth & Income Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 90.70%
Fidelity Advisor Growth & Income Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Growth & Income Fund - Class M | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth & Income Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Growth & Income Fund - Class M | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class M | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth & Income Fund - Class M | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Growth & Income Fund - Class M | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Growth & Income Fund - Class M | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.60%
Fidelity Advisor Growth & Income Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Growth & Income Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Growth & Income Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor Growth & Income Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor Growth & Income Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
Fidelity Advisor Growth & Income Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Growth & Income Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Growth & Income Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Growth & Income Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Growth & Income Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Growth & Income Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Growth & Income Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Growth & Income Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Growth & Income Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.20%
Fidelity Advisor Growth & Income Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Growth & Income Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Growth & Income Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Growth & Income Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Growth & Income Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Growth & Income Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Growth & Income Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Growth & Income Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
Fidelity Advisor Growth & Income Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Growth & Income Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 90.70%
Fidelity Advisor Growth & Income Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Growth & Income Fund - Class C | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth & Income Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Growth & Income Fund - Class C | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class C | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth & Income Fund - Class C | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Growth & Income Fund - Class C | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Growth & Income Fund - Class C | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.60%
Fidelity Advisor Growth & Income Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Growth & Income Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Growth & Income Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor Growth & Income Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor Growth & Income Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
Fidelity Advisor Growth & Income Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Growth & Income Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Growth & Income Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Growth & Income Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Growth & Income Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Growth & Income Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Growth & Income Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Growth & Income Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Growth & Income Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.20%
Fidelity Advisor Growth & Income Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Growth & Income Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Growth & Income Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Growth & Income Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Growth & Income Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Growth & Income Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Growth & Income Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Growth & Income Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
Fidelity Advisor Growth & Income Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Growth & Income Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 90.70%
Fidelity Advisor Growth & Income Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Growth & Income Fund - Class I | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth & Income Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Growth & Income Fund - Class I | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class I | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth & Income Fund - Class I | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Growth & Income Fund - Class I | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Growth & Income Fund - Class I | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.60%
Fidelity Advisor Growth & Income Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Growth & Income Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Growth & Income Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor Growth & Income Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor Growth & Income Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
Fidelity Advisor Growth & Income Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Growth & Income Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Growth & Income Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Growth & Income Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Growth & Income Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Growth & Income Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Growth & Income Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Growth & Income Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Growth & Income Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.20%
Fidelity Advisor Growth & Income Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Growth & Income Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Growth & Income Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Growth & Income Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Growth & Income Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Growth & Income Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Growth & Income Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Growth & Income Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
Fidelity Advisor Growth & Income Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Growth & Income Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 90.70%
Fidelity Advisor Growth & Income Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Growth & Income Fund - Class Z | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth & Income Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Growth & Income Fund - Class Z | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class Z | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Growth & Income Fund - Class Z | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Growth & Income Fund - Class Z | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Growth & Income Fund - Class Z | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Growth & Income Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.60%
Fidelity Advisor Growth & Income Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Growth & Income Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%