v3.25.2
Shareholder Report, Holdings (Details)
Apr. 30, 2025
Fidelity Advisor International Small Cap Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.80%
Fidelity Advisor International Small Cap Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor International Small Cap Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor International Small Cap Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity Advisor International Small Cap Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
Fidelity Advisor International Small Cap Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
Fidelity Advisor International Small Cap Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
Fidelity Advisor International Small Cap Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
Fidelity Advisor International Small Cap Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor International Small Cap Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor International Small Cap Fund - Class C | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.30%
Fidelity Advisor International Small Cap Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor International Small Cap Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor International Small Cap Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor International Small Cap Fund - Class C | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor International Small Cap Fund - Class C | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Small Cap Fund - Class C | China  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class C | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class C | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Small Cap Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 36.10%
Fidelity Advisor International Small Cap Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.30%
Fidelity Advisor International Small Cap Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 21.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 30.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 26.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 91.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Small Cap Opportunities Fund - Class C | AAInternationalEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity International Discovery Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity International Discovery Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity International Discovery Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity International Discovery Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity International Discovery Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity International Discovery Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity International Discovery Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity International Discovery Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity International Discovery Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity International Discovery Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity International Discovery Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
Fidelity International Discovery Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
Fidelity International Discovery Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity International Discovery Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
Fidelity International Discovery Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity International Discovery Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Fidelity International Discovery Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity International Discovery Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Fidelity International Discovery Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity International Discovery Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
Fidelity International Discovery Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
Fidelity International Discovery Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Fidelity International Discovery Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity International Discovery Fund | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity International Discovery Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.10%
Fidelity International Discovery Fund | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity International Discovery Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
Fidelity International Discovery Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity International Discovery Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Fidelity International Discovery Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.90%
Fidelity International Discovery Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity International Discovery Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Diversified International K6 Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Diversified International K6 Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Diversified International K6 Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Diversified International K6 Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Diversified International K6 Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Diversified International K6 Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Diversified International K6 Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Diversified International K6 Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Diversified International K6 Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Diversified International K6 Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Diversified International K6 Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 26.80%
Fidelity Diversified International K6 Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
Fidelity Diversified International K6 Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Fidelity Diversified International K6 Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.60%
Fidelity Diversified International K6 Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
Fidelity Diversified International K6 Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
Fidelity Diversified International K6 Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Diversified International K6 Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Diversified International K6 Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Diversified International K6 Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
Fidelity Diversified International K6 Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 15.50%
Fidelity Diversified International K6 Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
Fidelity Diversified International K6 Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Diversified International K6 Fund | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Diversified International K6 Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
Fidelity Diversified International K6 Fund | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Diversified International K6 Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
Fidelity Diversified International K6 Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Diversified International K6 Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity Diversified International K6 Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.40%
Fidelity Diversified International K6 Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Diversified International K6 Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Japan Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Fidelity Advisor Japan Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Japan Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Japan Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Japan Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Japan Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Japan Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Japan Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Japan Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Japan Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Japan Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor Japan Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Fidelity Advisor Japan Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Japan Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Japan Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
Fidelity Advisor Japan Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Fidelity Advisor Japan Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
Fidelity Advisor Japan Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Japan Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor Japan Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Japan Fund - Class Z | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 96.70%
Fidelity Advisor Japan Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Japan Fund - Class Z | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Japan Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.40%
Fidelity Advisor Japan Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Canada Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Fidelity Canada Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Fidelity Canada Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Canada Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Canada Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Canada Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Canada Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Canada Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Canada Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Canada Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Canada Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 28.20%
Fidelity Canada Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
Fidelity Canada Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Canada Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Canada Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
Fidelity Canada Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
Fidelity Canada Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Canada Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Canada Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
Fidelity Canada Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Canada Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Canada Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 92.70%
Fidelity Canada Fund | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Canada Fund | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Canada Fund | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Canada Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 99.00%
Fidelity Canada Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Canada Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Canada Fund | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 21.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 30.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 26.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 91.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Small Cap Opportunities Fund - Class I | AAInternationalEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 21.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 30.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 26.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 91.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Small Cap Opportunities Fund - Class A | AAInternationalEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | China  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | India  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | Poland  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
Fidelity Advisor Emerging Markets Discovery Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Global Equity Income Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor Global Equity Income Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor Global Equity Income Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Global Equity Income Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Global Equity Income Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Global Equity Income Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Global Equity Income Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Global Equity Income Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Global Equity Income Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
Fidelity Advisor Global Equity Income Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
Fidelity Advisor Global Equity Income Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
Fidelity Advisor Global Equity Income Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Global Equity Income Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
Fidelity Advisor Global Equity Income Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Global Equity Income Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Global Equity Income Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Advisor Global Equity Income Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
Fidelity Advisor Global Equity Income Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Global Equity Income Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Global Equity Income Fund - Class C | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Global Equity Income Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor Global Equity Income Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 58.70%
Fidelity Advisor Global Equity Income Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Global Equity Income Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
Fidelity Advisor Global Equity Income Fund - Class C | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Global Equity Income Fund - Class C | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class C | France  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Global Equity Income Fund - Class C | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Global Equity Income Fund - Class C | Ireland  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Global Equity Income Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
Fidelity Advisor Global Equity Income Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor China Region Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 21.70%
Fidelity Advisor China Region Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor China Region Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor China Region Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor China Region Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor China Region Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor China Region Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor China Region Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor China Region Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor China Region Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
Fidelity Advisor China Region Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 30.90%
Fidelity Advisor China Region Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor China Region Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor China Region Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor China Region Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.40%
Fidelity Advisor China Region Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor China Region Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.20%
Fidelity Advisor China Region Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class C | China  
Holdings [Line Items]  
Percent of Net Asset Value 60.20%
Fidelity Advisor China Region Fund - Class C | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor China Region Fund - Class C | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 29.10%
Fidelity Advisor China Region Fund - Class C | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor China Region Fund - Class C | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor China Region Fund - Class C | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor China Region Fund - Class C | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor China Region Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
Fidelity Advisor China Region Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor China Region Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Global Equity Income Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor Global Equity Income Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor Global Equity Income Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Global Equity Income Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Global Equity Income Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Global Equity Income Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Global Equity Income Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Global Equity Income Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Global Equity Income Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
Fidelity Advisor Global Equity Income Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
Fidelity Advisor Global Equity Income Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
Fidelity Advisor Global Equity Income Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Global Equity Income Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
Fidelity Advisor Global Equity Income Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Global Equity Income Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Global Equity Income Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Advisor Global Equity Income Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
Fidelity Advisor Global Equity Income Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Global Equity Income Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Global Equity Income Fund - Class M | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Global Equity Income Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor Global Equity Income Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 58.70%
Fidelity Advisor Global Equity Income Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Global Equity Income Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
Fidelity Advisor Global Equity Income Fund - Class M | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Global Equity Income Fund - Class M | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class M | France  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Global Equity Income Fund - Class M | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Global Equity Income Fund - Class M | Ireland  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Global Equity Income Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
Fidelity Advisor Global Equity Income Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Global Equity Income Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Global Equity Income Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Global Equity Income Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Global Equity Income Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Global Equity Income Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Global Equity Income Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Global Equity Income Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Global Equity Income Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Global Equity Income Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Global Equity Income Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Global Equity Income Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
Fidelity Global Equity Income Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
Fidelity Global Equity Income Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
Fidelity Global Equity Income Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Global Equity Income Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
Fidelity Global Equity Income Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Global Equity Income Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Global Equity Income Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Global Equity Income Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
Fidelity Global Equity Income Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Global Equity Income Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Global Equity Income Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Global Equity Income Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Global Equity Income Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 58.70%
Fidelity Global Equity Income Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Global Equity Income Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
Fidelity Global Equity Income Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Global Equity Income Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Global Equity Income Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Global Equity Income Fund | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Global Equity Income Fund | Ireland  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Global Equity Income Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
Fidelity Global Equity Income Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Emerging Markets Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
Fidelity Advisor Emerging Markets Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Fidelity Advisor Emerging Markets Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Emerging Markets Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Emerging Markets Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Emerging Markets Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Emerging Markets Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Emerging Markets Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.70%
Fidelity Advisor Emerging Markets Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 25.50%
Fidelity Advisor Emerging Markets Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Fidelity Advisor Emerging Markets Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Emerging Markets Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Advisor Emerging Markets Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Emerging Markets Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.00%
Fidelity Advisor Emerging Markets Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Emerging Markets Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
Fidelity Advisor Emerging Markets Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Emerging Markets Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Emerging Markets Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Emerging Markets Fund - Class C | China  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
Fidelity Advisor Emerging Markets Fund - Class C | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Emerging Markets Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
Fidelity Advisor Emerging Markets Fund - Class C | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class C | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor Emerging Markets Fund - Class C | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
Fidelity Advisor Emerging Markets Fund - Class C | India  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
Fidelity Advisor Emerging Markets Fund - Class C | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Emerging Markets Fund - Class C | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
Fidelity Advisor Emerging Markets Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Emerging Markets Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Emerging Markets Fund - Class C | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Total International Equity Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Total International Equity Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Total International Equity Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Total International Equity Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Total International Equity Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Total International Equity Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Total International Equity Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Total International Equity Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Total International Equity Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Total International Equity Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Total International Equity Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
Fidelity Advisor Total International Equity Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
Fidelity Advisor Total International Equity Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Total International Equity Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Total International Equity Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
Fidelity Advisor Total International Equity Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Fidelity Advisor Total International Equity Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Advisor Total International Equity Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Total International Equity Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Total International Equity Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Total International Equity Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Total International Equity Fund - Class Z | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Total International Equity Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor Total International Equity Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
Fidelity Advisor Total International Equity Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Fidelity Advisor Total International Equity Fund - Class Z | China  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Total International Equity Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
Fidelity Advisor Total International Equity Fund - Class Z | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Total International Equity Fund - Class Z | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Total International Equity Fund - Class Z | France  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Total International Equity Fund - Class Z | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Total International Equity Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.20%
Fidelity Advisor Total International Equity Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Total International Equity Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor International Value Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor International Value Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Value Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Value Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Value Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Value Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor International Value Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Value Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Value Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Value Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Value Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 38.80%
Fidelity Advisor International Value Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor International Value Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor International Value Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor International Value Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Fidelity Advisor International Value Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor International Value Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor International Value Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor International Value Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor International Value Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Fidelity Advisor International Value Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor International Value Fund - Class M | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
Fidelity Advisor International Value Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Advisor International Value Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 17.10%
Fidelity Advisor International Value Fund - Class M | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Value Fund - Class M | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Value Fund - Class M | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor International Value Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
Fidelity Advisor International Value Fund - Class M | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor International Value Fund - Class M | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor International Value Fund - Class M | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Value Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 92.40%
Fidelity Advisor International Value Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Fidelity Advisor International Value Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Worldwide Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Worldwide Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor Worldwide Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Worldwide Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Worldwide Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Worldwide Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Worldwide Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Worldwide Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Worldwide Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Worldwide Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Fidelity Advisor Worldwide Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Worldwide Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Worldwide Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Worldwide Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Worldwide Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Worldwide Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Advisor Worldwide Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Worldwide Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
Fidelity Advisor Worldwide Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Worldwide Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class I | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Worldwide Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Advisor Worldwide Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 65.20%
Fidelity Advisor Worldwide Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Worldwide Fund - Class I | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class I | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Worldwide Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Advisor Worldwide Fund - Class I | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Worldwide Fund - Class I | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Worldwide Fund - Class I | France  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Worldwide Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
Fidelity Advisor Worldwide Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Worldwide Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Worldwide Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Worldwide Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Worldwide Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Worldwide Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Worldwide Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Worldwide Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Worldwide Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Worldwide Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Worldwide Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Worldwide Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Worldwide Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Fidelity Worldwide Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Worldwide Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Worldwide Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Worldwide Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Worldwide Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Worldwide Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Worldwide Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Worldwide Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
Fidelity Worldwide Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Worldwide Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Worldwide Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Worldwide Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Worldwide Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 65.20%
Fidelity Worldwide Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Worldwide Fund | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Worldwide Fund | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Worldwide Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Worldwide Fund | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Worldwide Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Worldwide Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Worldwide Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
Fidelity Worldwide Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Worldwide Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Global Equity Income Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor Global Equity Income Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor Global Equity Income Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Global Equity Income Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Global Equity Income Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Global Equity Income Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Global Equity Income Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Global Equity Income Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Global Equity Income Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
Fidelity Advisor Global Equity Income Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
Fidelity Advisor Global Equity Income Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
Fidelity Advisor Global Equity Income Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Global Equity Income Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
Fidelity Advisor Global Equity Income Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Global Equity Income Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Global Equity Income Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Advisor Global Equity Income Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
Fidelity Advisor Global Equity Income Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Global Equity Income Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Global Equity Income Fund - Class A | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Global Equity Income Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor Global Equity Income Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 58.70%
Fidelity Advisor Global Equity Income Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Global Equity Income Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
Fidelity Advisor Global Equity Income Fund - Class A | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Global Equity Income Fund - Class A | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class A | France  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Global Equity Income Fund - Class A | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Global Equity Income Fund - Class A | Ireland  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Global Equity Income Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
Fidelity Advisor Global Equity Income Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor International Discovery Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Discovery Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor International Discovery Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Discovery Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Discovery Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Discovery Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Discovery Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Discovery Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Discovery Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor International Discovery Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor International Discovery Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
Fidelity Advisor International Discovery Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
Fidelity Advisor International Discovery Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor International Discovery Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
Fidelity Advisor International Discovery Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Discovery Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Fidelity Advisor International Discovery Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Discovery Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Fidelity Advisor International Discovery Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Discovery Fund - Class Z | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
Fidelity Advisor International Discovery Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
Fidelity Advisor International Discovery Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Fidelity Advisor International Discovery Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Discovery Fund - Class Z | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor International Discovery Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.10%
Fidelity Advisor International Discovery Fund - Class Z | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Discovery Fund - Class Z | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
Fidelity Advisor International Discovery Fund - Class Z | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor International Discovery Fund - Class Z | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Fidelity Advisor International Discovery Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.90%
Fidelity Advisor International Discovery Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor International Discovery Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Pacific Basin Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Pacific Basin Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Pacific Basin Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Pacific Basin Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Pacific Basin Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Pacific Basin Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Pacific Basin Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Pacific Basin Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Pacific Basin Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Pacific Basin Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Pacific Basin Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
Fidelity Pacific Basin Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 24.60%
Fidelity Pacific Basin Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Pacific Basin Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Pacific Basin Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
Fidelity Pacific Basin Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Pacific Basin Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
Fidelity Pacific Basin Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Pacific Basin Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.10%
Fidelity Pacific Basin Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Pacific Basin Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Pacific Basin Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 37.30%
Fidelity Pacific Basin Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Pacific Basin Fund | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
Fidelity Pacific Basin Fund | China  
Holdings [Line Items]  
Percent of Net Asset Value 22.50%
Fidelity Pacific Basin Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Pacific Basin Fund | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
Fidelity Pacific Basin Fund | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
Fidelity Pacific Basin Fund | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Pacific Basin Fund | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Pacific Basin Fund | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Pacific Basin Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.50%
Fidelity Pacific Basin Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Pacific Basin Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Europe Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Europe Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Europe Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Europe Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Europe Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Europe Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Europe Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Europe Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Europe Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Europe Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Europe Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 23.80%
Fidelity Advisor Europe Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Europe Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Europe Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Europe Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
Fidelity Advisor Europe Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Europe Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
Fidelity Advisor Europe Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Advisor Europe Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Europe Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Europe Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Europe Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
Fidelity Advisor Europe Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Advisor Europe Fund - Class C | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Europe Fund - Class C | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity Advisor Europe Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
Fidelity Advisor Europe Fund - Class C | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Fidelity Advisor Europe Fund - Class C | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
Fidelity Advisor Europe Fund - Class C | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Europe Fund - Class C | France  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
Fidelity Advisor Europe Fund - Class C | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Europe Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.80%
Fidelity Advisor Europe Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Europe Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Japan Smaller Companies Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Japan Smaller Companies Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Japan Smaller Companies Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Japan Smaller Companies Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Japan Smaller Companies Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Japan Smaller Companies Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Japan Smaller Companies Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Japan Smaller Companies Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Japan Smaller Companies Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Japan Smaller Companies Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Japan Smaller Companies Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
Fidelity Japan Smaller Companies Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
Fidelity Japan Smaller Companies Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Japan Smaller Companies Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Japan Smaller Companies Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.70%
Fidelity Japan Smaller Companies Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
Fidelity Japan Smaller Companies Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Japan Smaller Companies Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Japan Smaller Companies Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Japan Smaller Companies Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Japan Smaller Companies Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Japan Smaller Companies Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 96.40%
Fidelity Japan Smaller Companies Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Japan Smaller Companies Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.40%
Fidelity Japan Smaller Companies Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Value Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor International Value Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Value Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Value Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Value Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Value Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor International Value Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Value Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Value Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Value Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Value Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 38.80%
Fidelity Advisor International Value Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor International Value Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor International Value Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor International Value Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Fidelity Advisor International Value Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor International Value Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor International Value Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor International Value Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor International Value Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Fidelity Advisor International Value Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor International Value Fund - Class A | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
Fidelity Advisor International Value Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Advisor International Value Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 17.10%
Fidelity Advisor International Value Fund - Class A | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Value Fund - Class A | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Value Fund - Class A | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor International Value Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
Fidelity Advisor International Value Fund - Class A | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor International Value Fund - Class A | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor International Value Fund - Class A | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Value Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 92.40%
Fidelity Advisor International Value Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Fidelity Advisor International Value Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Canada Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Fidelity Advisor Canada Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Fidelity Advisor Canada Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Advisor Canada Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor Canada Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor Canada Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Canada Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Canada Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Canada Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Canada Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Canada Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 28.20%
Fidelity Advisor Canada Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
Fidelity Advisor Canada Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Canada Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor Canada Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
Fidelity Advisor Canada Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
Fidelity Advisor Canada Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Canada Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Canada Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
Fidelity Advisor Canada Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Canada Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Canada Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 92.70%
Fidelity Advisor Canada Fund - Class Z | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Canada Fund - Class Z | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Canada Fund - Class Z | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Canada Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 99.00%
Fidelity Advisor Canada Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Canada Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Canada Fund - Class Z | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Emerging Markets Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
Fidelity Emerging Markets Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Fidelity Emerging Markets Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Emerging Markets Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Emerging Markets Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Emerging Markets Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Emerging Markets Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Emerging Markets Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Emerging Markets Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Emerging Markets Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Emerging Markets Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.70%
Fidelity Emerging Markets Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 25.50%
Fidelity Emerging Markets Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Fidelity Emerging Markets Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Emerging Markets Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Emerging Markets Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Emerging Markets Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.00%
Fidelity Emerging Markets Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Emerging Markets Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
Fidelity Emerging Markets Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Emerging Markets Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Emerging Markets Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Emerging Markets Fund | China  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
Fidelity Emerging Markets Fund | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Emerging Markets Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
Fidelity Emerging Markets Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Emerging Markets Fund | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Emerging Markets Fund | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
Fidelity Emerging Markets Fund | India  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
Fidelity Emerging Markets Fund | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Emerging Markets Fund | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Emerging Markets Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
Fidelity Emerging Markets Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Emerging Markets Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Emerging Markets Fund | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Total International Equity Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Total International Equity Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Total International Equity Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Total International Equity Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Total International Equity Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Total International Equity Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Total International Equity Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Total International Equity Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Total International Equity Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Total International Equity Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Total International Equity Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
Fidelity Advisor Total International Equity Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
Fidelity Advisor Total International Equity Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Total International Equity Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Total International Equity Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
Fidelity Advisor Total International Equity Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Fidelity Advisor Total International Equity Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Advisor Total International Equity Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Total International Equity Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Total International Equity Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Total International Equity Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Total International Equity Fund - Class A | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Total International Equity Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor Total International Equity Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
Fidelity Advisor Total International Equity Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Fidelity Advisor Total International Equity Fund - Class A | China  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Total International Equity Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
Fidelity Advisor Total International Equity Fund - Class A | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Total International Equity Fund - Class A | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Total International Equity Fund - Class A | France  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Total International Equity Fund - Class A | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Total International Equity Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.20%
Fidelity Advisor Total International Equity Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Total International Equity Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Canada Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Fidelity Advisor Canada Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Fidelity Advisor Canada Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Advisor Canada Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor Canada Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor Canada Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Canada Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Canada Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Canada Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Canada Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Canada Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 28.20%
Fidelity Advisor Canada Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
Fidelity Advisor Canada Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Canada Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor Canada Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
Fidelity Advisor Canada Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
Fidelity Advisor Canada Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Canada Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Canada Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
Fidelity Advisor Canada Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Canada Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Canada Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 92.70%
Fidelity Advisor Canada Fund - Class A | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Canada Fund - Class A | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Canada Fund - Class A | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Canada Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 99.00%
Fidelity Advisor Canada Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Canada Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Canada Fund - Class A | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor International Growth Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor International Growth Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor International Growth Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor International Growth Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Growth Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Growth Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Growth Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Growth Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Growth Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Growth Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Growth Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 17.90%
Fidelity Advisor International Growth Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.20%
Fidelity Advisor International Growth Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor International Growth Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 34.20%
Fidelity Advisor International Growth Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
Fidelity Advisor International Growth Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
Fidelity Advisor International Growth Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor International Growth Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Growth Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor International Growth Fund - Class Z | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Fidelity Advisor International Growth Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 14.40%
Fidelity Advisor International Growth Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
Fidelity Advisor International Growth Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Growth Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor International Growth Fund - Class Z | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Advisor International Growth Fund - Class Z | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity Advisor International Growth Fund - Class Z | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Growth Fund - Class Z | France  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor International Growth Fund - Class Z | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Growth Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
Fidelity Advisor International Growth Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor International Growth Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Diversified International Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Diversified International Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Diversified International Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Diversified International Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Diversified International Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Diversified International Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Diversified International Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Diversified International Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Diversified International Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Diversified International Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Diversified International Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
Fidelity Diversified International Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Diversified International Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity Diversified International Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 27.00%
Fidelity Diversified International Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
Fidelity Diversified International Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Fidelity Diversified International Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Diversified International Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Diversified International Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Diversified International Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
Fidelity Diversified International Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 15.80%
Fidelity Diversified International Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
Fidelity Diversified International Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Diversified International Fund | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Diversified International Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
Fidelity Diversified International Fund | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Diversified International Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
Fidelity Diversified International Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Diversified International Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Diversified International Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
Fidelity Diversified International Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Diversified International Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor China Region Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 21.70%
Fidelity Advisor China Region Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor China Region Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor China Region Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor China Region Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor China Region Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor China Region Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor China Region Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor China Region Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor China Region Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
Fidelity Advisor China Region Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 30.90%
Fidelity Advisor China Region Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor China Region Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor China Region Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor China Region Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.40%
Fidelity Advisor China Region Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor China Region Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.20%
Fidelity Advisor China Region Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class M | China  
Holdings [Line Items]  
Percent of Net Asset Value 60.20%
Fidelity Advisor China Region Fund - Class M | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor China Region Fund - Class M | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 29.10%
Fidelity Advisor China Region Fund - Class M | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor China Region Fund - Class M | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor China Region Fund - Class M | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor China Region Fund - Class M | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor China Region Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
Fidelity Advisor China Region Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor China Region Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Small Cap Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.80%
Fidelity Advisor International Small Cap Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor International Small Cap Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor International Small Cap Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity Advisor International Small Cap Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
Fidelity Advisor International Small Cap Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
Fidelity Advisor International Small Cap Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
Fidelity Advisor International Small Cap Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
Fidelity Advisor International Small Cap Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor International Small Cap Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor International Small Cap Fund - Class A | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.30%
Fidelity Advisor International Small Cap Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor International Small Cap Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor International Small Cap Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor International Small Cap Fund - Class A | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor International Small Cap Fund - Class A | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Small Cap Fund - Class A | China  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class A | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class A | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Small Cap Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 36.10%
Fidelity Advisor International Small Cap Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.30%
Fidelity Advisor International Small Cap Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Europe Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Europe Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Europe Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Europe Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Europe Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Europe Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Europe Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Europe Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Europe Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Europe Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Europe Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 23.80%
Fidelity Advisor Europe Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Europe Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Europe Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Europe Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
Fidelity Advisor Europe Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Europe Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
Fidelity Advisor Europe Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Advisor Europe Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Europe Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Europe Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Europe Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
Fidelity Advisor Europe Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Advisor Europe Fund - Class Z | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Europe Fund - Class Z | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity Advisor Europe Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
Fidelity Advisor Europe Fund - Class Z | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Fidelity Advisor Europe Fund - Class Z | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
Fidelity Advisor Europe Fund - Class Z | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Europe Fund - Class Z | France  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
Fidelity Advisor Europe Fund - Class Z | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Europe Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.80%
Fidelity Advisor Europe Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Europe Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor International Value Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor International Value Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Value Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Value Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Value Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Value Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor International Value Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Value Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Value Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Value Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Value Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 38.80%
Fidelity Advisor International Value Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor International Value Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor International Value Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor International Value Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Fidelity Advisor International Value Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor International Value Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor International Value Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor International Value Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor International Value Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Fidelity Advisor International Value Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor International Value Fund - Class Z | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
Fidelity Advisor International Value Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Advisor International Value Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 17.10%
Fidelity Advisor International Value Fund - Class Z | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Value Fund - Class Z | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Value Fund - Class Z | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor International Value Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
Fidelity Advisor International Value Fund - Class Z | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor International Value Fund - Class Z | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor International Value Fund - Class Z | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Value Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 92.40%
Fidelity Advisor International Value Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Fidelity Advisor International Value Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Emerging Markets Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
Fidelity Advisor Emerging Markets Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Fidelity Advisor Emerging Markets Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Emerging Markets Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Emerging Markets Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Emerging Markets Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Emerging Markets Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Emerging Markets Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.70%
Fidelity Advisor Emerging Markets Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 25.50%
Fidelity Advisor Emerging Markets Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Fidelity Advisor Emerging Markets Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Emerging Markets Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Advisor Emerging Markets Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Emerging Markets Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.00%
Fidelity Advisor Emerging Markets Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Emerging Markets Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
Fidelity Advisor Emerging Markets Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Emerging Markets Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Emerging Markets Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Emerging Markets Fund - Class A | China  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
Fidelity Advisor Emerging Markets Fund - Class A | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Emerging Markets Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
Fidelity Advisor Emerging Markets Fund - Class A | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class A | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor Emerging Markets Fund - Class A | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
Fidelity Advisor Emerging Markets Fund - Class A | India  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
Fidelity Advisor Emerging Markets Fund - Class A | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Emerging Markets Fund - Class A | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
Fidelity Advisor Emerging Markets Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Emerging Markets Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Emerging Markets Fund - Class A | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Worldwide Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Worldwide Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor Worldwide Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Worldwide Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Worldwide Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Worldwide Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Worldwide Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Worldwide Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Worldwide Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Worldwide Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Fidelity Advisor Worldwide Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Worldwide Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Worldwide Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Worldwide Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Worldwide Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Worldwide Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Advisor Worldwide Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Worldwide Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
Fidelity Advisor Worldwide Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Worldwide Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class Z | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Worldwide Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Advisor Worldwide Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 65.20%
Fidelity Advisor Worldwide Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Worldwide Fund - Class Z | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class Z | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Worldwide Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Advisor Worldwide Fund - Class Z | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Worldwide Fund - Class Z | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Worldwide Fund - Class Z | France  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Worldwide Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
Fidelity Advisor Worldwide Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Worldwide Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity International Small Cap Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity International Small Cap Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity International Small Cap Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity International Small Cap Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity International Small Cap Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity International Small Cap Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity International Small Cap Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity International Small Cap Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity International Small Cap Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity International Small Cap Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity International Small Cap Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.80%
Fidelity International Small Cap Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity International Small Cap Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity International Small Cap Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity International Small Cap Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
Fidelity International Small Cap Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
Fidelity International Small Cap Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
Fidelity International Small Cap Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
Fidelity International Small Cap Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity International Small Cap Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity International Small Cap Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity International Small Cap Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.30%
Fidelity International Small Cap Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity International Small Cap Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity International Small Cap Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity International Small Cap Fund | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity International Small Cap Fund | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity International Small Cap Fund | China  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity International Small Cap Fund | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity International Small Cap Fund | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity International Small Cap Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 36.10%
Fidelity International Small Cap Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.30%
Fidelity International Small Cap Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Emerging Markets Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
Fidelity Advisor Emerging Markets Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Fidelity Advisor Emerging Markets Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Emerging Markets Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Emerging Markets Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Emerging Markets Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Emerging Markets Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Emerging Markets Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.70%
Fidelity Advisor Emerging Markets Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 25.50%
Fidelity Advisor Emerging Markets Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Fidelity Advisor Emerging Markets Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Emerging Markets Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Advisor Emerging Markets Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Emerging Markets Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.00%
Fidelity Advisor Emerging Markets Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Emerging Markets Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
Fidelity Advisor Emerging Markets Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Emerging Markets Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Emerging Markets Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Emerging Markets Fund - Class M | China  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
Fidelity Advisor Emerging Markets Fund - Class M | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Emerging Markets Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
Fidelity Advisor Emerging Markets Fund - Class M | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class M | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor Emerging Markets Fund - Class M | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
Fidelity Advisor Emerging Markets Fund - Class M | India  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
Fidelity Advisor Emerging Markets Fund - Class M | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Emerging Markets Fund - Class M | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
Fidelity Advisor Emerging Markets Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Emerging Markets Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Emerging Markets Fund - Class M | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor International Small Cap Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.80%
Fidelity Advisor International Small Cap Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor International Small Cap Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor International Small Cap Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity Advisor International Small Cap Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
Fidelity Advisor International Small Cap Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
Fidelity Advisor International Small Cap Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
Fidelity Advisor International Small Cap Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
Fidelity Advisor International Small Cap Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor International Small Cap Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor International Small Cap Fund - Class M | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.30%
Fidelity Advisor International Small Cap Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor International Small Cap Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor International Small Cap Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor International Small Cap Fund - Class M | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor International Small Cap Fund - Class M | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Small Cap Fund - Class M | China  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class M | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class M | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Small Cap Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 36.10%
Fidelity Advisor International Small Cap Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.30%
Fidelity Advisor International Small Cap Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor China Region Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 21.70%
Fidelity Advisor China Region Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor China Region Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor China Region Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor China Region Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor China Region Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor China Region Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor China Region Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor China Region Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor China Region Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
Fidelity Advisor China Region Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 30.90%
Fidelity Advisor China Region Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor China Region Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor China Region Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor China Region Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.40%
Fidelity Advisor China Region Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor China Region Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.20%
Fidelity Advisor China Region Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class I | China  
Holdings [Line Items]  
Percent of Net Asset Value 60.20%
Fidelity Advisor China Region Fund - Class I | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor China Region Fund - Class I | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 29.10%
Fidelity Advisor China Region Fund - Class I | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor China Region Fund - Class I | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor China Region Fund - Class I | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor China Region Fund - Class I | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor China Region Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
Fidelity Advisor China Region Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor China Region Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Japan Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Fidelity Advisor Japan Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Japan Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Japan Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Japan Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Japan Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Japan Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Japan Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Japan Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Japan Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Japan Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor Japan Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Fidelity Advisor Japan Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Japan Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Japan Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
Fidelity Advisor Japan Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Fidelity Advisor Japan Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
Fidelity Advisor Japan Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Japan Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor Japan Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Japan Fund - Class C | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 96.70%
Fidelity Advisor Japan Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Japan Fund - Class C | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Japan Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.40%
Fidelity Advisor Japan Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Emerging Markets Fund - Class K | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
Fidelity Emerging Markets Fund - Class K | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Fidelity Emerging Markets Fund - Class K | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Emerging Markets Fund - Class K | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Emerging Markets Fund - Class K | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Emerging Markets Fund - Class K | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Emerging Markets Fund - Class K | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Emerging Markets Fund - Class K | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Emerging Markets Fund - Class K | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Emerging Markets Fund - Class K | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Emerging Markets Fund - Class K | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.70%
Fidelity Emerging Markets Fund - Class K | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 25.50%
Fidelity Emerging Markets Fund - Class K | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Fidelity Emerging Markets Fund - Class K | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Emerging Markets Fund - Class K | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Emerging Markets Fund - Class K | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Emerging Markets Fund - Class K | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.00%
Fidelity Emerging Markets Fund - Class K | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Emerging Markets Fund - Class K | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
Fidelity Emerging Markets Fund - Class K | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Emerging Markets Fund - Class K | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Emerging Markets Fund - Class K | United States  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Emerging Markets Fund - Class K | China  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
Fidelity Emerging Markets Fund - Class K | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Emerging Markets Fund - Class K | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
Fidelity Emerging Markets Fund - Class K | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Emerging Markets Fund - Class K | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Emerging Markets Fund - Class K | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
Fidelity Emerging Markets Fund - Class K | India  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
Fidelity Emerging Markets Fund - Class K | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Emerging Markets Fund - Class K | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Emerging Markets Fund - Class K | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
Fidelity Emerging Markets Fund - Class K | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Emerging Markets Fund - Class K | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Emerging Markets Fund - Class K | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Emerging Markets Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
Fidelity Advisor Emerging Markets Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Fidelity Advisor Emerging Markets Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Emerging Markets Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Emerging Markets Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Emerging Markets Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Emerging Markets Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Emerging Markets Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.70%
Fidelity Advisor Emerging Markets Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 25.50%
Fidelity Advisor Emerging Markets Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Fidelity Advisor Emerging Markets Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Emerging Markets Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Advisor Emerging Markets Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Emerging Markets Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.00%
Fidelity Advisor Emerging Markets Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Emerging Markets Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
Fidelity Advisor Emerging Markets Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Emerging Markets Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Emerging Markets Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Emerging Markets Fund - Class I | China  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
Fidelity Advisor Emerging Markets Fund - Class I | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Emerging Markets Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
Fidelity Advisor Emerging Markets Fund - Class I | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class I | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor Emerging Markets Fund - Class I | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
Fidelity Advisor Emerging Markets Fund - Class I | India  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
Fidelity Advisor Emerging Markets Fund - Class I | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Emerging Markets Fund - Class I | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
Fidelity Advisor Emerging Markets Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Emerging Markets Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Emerging Markets Fund - Class I | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | China  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | India  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | Poland  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Worldwide Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor Worldwide Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Worldwide Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Worldwide Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Worldwide Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Worldwide Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Worldwide Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Worldwide Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Worldwide Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Fidelity Advisor Worldwide Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Worldwide Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Worldwide Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Worldwide Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Worldwide Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Worldwide Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Advisor Worldwide Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Worldwide Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
Fidelity Advisor Worldwide Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Worldwide Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class A | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Worldwide Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Advisor Worldwide Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 65.20%
Fidelity Advisor Worldwide Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Worldwide Fund - Class A | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class A | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Worldwide Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Advisor Worldwide Fund - Class A | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Worldwide Fund - Class A | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Worldwide Fund - Class A | France  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Worldwide Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
Fidelity Advisor Worldwide Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Worldwide Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | China  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | India  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | Poland  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
Fidelity Advisor Emerging Markets Discovery Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Global Equity Income Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor Global Equity Income Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor Global Equity Income Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Global Equity Income Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Global Equity Income Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Global Equity Income Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Global Equity Income Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Global Equity Income Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Global Equity Income Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
Fidelity Advisor Global Equity Income Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
Fidelity Advisor Global Equity Income Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
Fidelity Advisor Global Equity Income Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Global Equity Income Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
Fidelity Advisor Global Equity Income Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Global Equity Income Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Global Equity Income Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Advisor Global Equity Income Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
Fidelity Advisor Global Equity Income Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Global Equity Income Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Global Equity Income Fund - Class I | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Global Equity Income Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor Global Equity Income Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 58.70%
Fidelity Advisor Global Equity Income Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Global Equity Income Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
Fidelity Advisor Global Equity Income Fund - Class I | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Global Equity Income Fund - Class I | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class I | France  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Global Equity Income Fund - Class I | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Global Equity Income Fund - Class I | Ireland  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Global Equity Income Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
Fidelity Advisor Global Equity Income Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity International Small Cap Opportunities Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity International Small Cap Opportunities Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity International Small Cap Opportunities Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity International Small Cap Opportunities Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity International Small Cap Opportunities Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity International Small Cap Opportunities Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity International Small Cap Opportunities Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity International Small Cap Opportunities Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity International Small Cap Opportunities Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity International Small Cap Opportunities Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity International Small Cap Opportunities Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity International Small Cap Opportunities Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 21.00%
Fidelity International Small Cap Opportunities Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity International Small Cap Opportunities Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity International Small Cap Opportunities Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 30.20%
Fidelity International Small Cap Opportunities Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity International Small Cap Opportunities Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Fidelity International Small Cap Opportunities Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity International Small Cap Opportunities Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
Fidelity International Small Cap Opportunities Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity International Small Cap Opportunities Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 26.50%
Fidelity International Small Cap Opportunities Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity International Small Cap Opportunities Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity International Small Cap Opportunities Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity International Small Cap Opportunities Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
Fidelity International Small Cap Opportunities Fund | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
Fidelity International Small Cap Opportunities Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity International Small Cap Opportunities Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity International Small Cap Opportunities Fund | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity International Small Cap Opportunities Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity International Small Cap Opportunities Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 91.50%
Fidelity International Small Cap Opportunities Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity International Small Cap Opportunities Fund | AAInternationalEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity China Region Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 21.70%
Fidelity China Region Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity China Region Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity China Region Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity China Region Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity China Region Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity China Region Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity China Region Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity China Region Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity China Region Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity China Region Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
Fidelity China Region Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 30.90%
Fidelity China Region Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity China Region Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity China Region Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity China Region Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity China Region Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.40%
Fidelity China Region Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity China Region Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.20%
Fidelity China Region Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity China Region Fund | China  
Holdings [Line Items]  
Percent of Net Asset Value 60.20%
Fidelity China Region Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity China Region Fund | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 29.10%
Fidelity China Region Fund | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity China Region Fund | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity China Region Fund | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity China Region Fund | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity China Region Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
Fidelity China Region Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity China Region Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Discovery Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Discovery Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor International Discovery Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Discovery Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Discovery Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Discovery Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Discovery Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Discovery Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Discovery Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor International Discovery Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor International Discovery Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
Fidelity Advisor International Discovery Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
Fidelity Advisor International Discovery Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor International Discovery Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
Fidelity Advisor International Discovery Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Discovery Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Fidelity Advisor International Discovery Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Discovery Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Fidelity Advisor International Discovery Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Discovery Fund - Class I | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
Fidelity Advisor International Discovery Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
Fidelity Advisor International Discovery Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Fidelity Advisor International Discovery Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Discovery Fund - Class I | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor International Discovery Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.10%
Fidelity Advisor International Discovery Fund - Class I | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Discovery Fund - Class I | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
Fidelity Advisor International Discovery Fund - Class I | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor International Discovery Fund - Class I | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Fidelity Advisor International Discovery Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.90%
Fidelity Advisor International Discovery Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor International Discovery Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Discovery Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Discovery Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor International Discovery Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Discovery Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Discovery Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Discovery Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Discovery Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Discovery Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Discovery Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor International Discovery Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor International Discovery Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
Fidelity Advisor International Discovery Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
Fidelity Advisor International Discovery Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor International Discovery Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
Fidelity Advisor International Discovery Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Discovery Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Fidelity Advisor International Discovery Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Discovery Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Fidelity Advisor International Discovery Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Discovery Fund - Class M | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
Fidelity Advisor International Discovery Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
Fidelity Advisor International Discovery Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Fidelity Advisor International Discovery Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Discovery Fund - Class M | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor International Discovery Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.10%
Fidelity Advisor International Discovery Fund - Class M | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Discovery Fund - Class M | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
Fidelity Advisor International Discovery Fund - Class M | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor International Discovery Fund - Class M | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Fidelity Advisor International Discovery Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.90%
Fidelity Advisor International Discovery Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor International Discovery Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 21.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 30.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 26.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 91.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Small Cap Opportunities Fund - Class Z | AAInternationalEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor International Growth Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor International Growth Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor International Growth Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor International Growth Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Growth Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Growth Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Growth Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Growth Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Growth Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Growth Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Growth Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 17.90%
Fidelity Advisor International Growth Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.20%
Fidelity Advisor International Growth Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor International Growth Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 34.20%
Fidelity Advisor International Growth Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
Fidelity Advisor International Growth Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
Fidelity Advisor International Growth Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor International Growth Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Growth Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor International Growth Fund - Class A | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Fidelity Advisor International Growth Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 14.40%
Fidelity Advisor International Growth Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
Fidelity Advisor International Growth Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Growth Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor International Growth Fund - Class A | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Advisor International Growth Fund - Class A | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity Advisor International Growth Fund - Class A | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Growth Fund - Class A | France  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor International Growth Fund - Class A | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Growth Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
Fidelity Advisor International Growth Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor International Growth Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Diversified International Fund - Class K | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Diversified International Fund - Class K | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Diversified International Fund - Class K | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Diversified International Fund - Class K | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Diversified International Fund - Class K | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Diversified International Fund - Class K | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Diversified International Fund - Class K | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Diversified International Fund - Class K | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Diversified International Fund - Class K | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Diversified International Fund - Class K | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Diversified International Fund - Class K | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
Fidelity Diversified International Fund - Class K | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Diversified International Fund - Class K | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity Diversified International Fund - Class K | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 27.00%
Fidelity Diversified International Fund - Class K | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
Fidelity Diversified International Fund - Class K | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Fidelity Diversified International Fund - Class K | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Diversified International Fund - Class K | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Diversified International Fund - Class K | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Diversified International Fund - Class K | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
Fidelity Diversified International Fund - Class K | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 15.80%
Fidelity Diversified International Fund - Class K | United States  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
Fidelity Diversified International Fund - Class K | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Diversified International Fund - Class K | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Diversified International Fund - Class K | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
Fidelity Diversified International Fund - Class K | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Diversified International Fund - Class K | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
Fidelity Diversified International Fund - Class K | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Diversified International Fund - Class K | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Diversified International Fund - Class K | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
Fidelity Diversified International Fund - Class K | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Diversified International Fund - Class K | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity International Value Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity International Value Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity International Value Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity International Value Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity International Value Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity International Value Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity International Value Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity International Value Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity International Value Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity International Value Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity International Value Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 38.80%
Fidelity International Value Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity International Value Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity International Value Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity International Value Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Fidelity International Value Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity International Value Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity International Value Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity International Value Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity International Value Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Fidelity International Value Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity International Value Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
Fidelity International Value Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity International Value Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 17.10%
Fidelity International Value Fund | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity International Value Fund | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity International Value Fund | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity International Value Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
Fidelity International Value Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity International Value Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity International Value Fund | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity International Value Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 92.40%
Fidelity International Value Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Fidelity International Value Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Canada Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Fidelity Advisor Canada Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Fidelity Advisor Canada Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Advisor Canada Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor Canada Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor Canada Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Canada Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Canada Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Canada Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Canada Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Canada Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 28.20%
Fidelity Advisor Canada Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
Fidelity Advisor Canada Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Canada Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor Canada Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
Fidelity Advisor Canada Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
Fidelity Advisor Canada Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Canada Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Canada Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
Fidelity Advisor Canada Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Canada Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Canada Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 92.70%
Fidelity Advisor Canada Fund - Class C | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Canada Fund - Class C | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Canada Fund - Class C | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Canada Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 99.00%
Fidelity Advisor Canada Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Canada Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Canada Fund - Class C | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Overseas Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Overseas Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Overseas Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Overseas Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Overseas Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Overseas Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Overseas Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Overseas Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Overseas Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Overseas Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Overseas Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 29.20%
Fidelity Overseas Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
Fidelity Overseas Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
Fidelity Overseas Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.60%
Fidelity Overseas Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Fidelity Overseas Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Overseas Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Overseas Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Overseas Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Overseas Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 16.90%
Fidelity Overseas Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
Fidelity Overseas Fund | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Overseas Fund | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Overseas Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
Fidelity Overseas Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Overseas Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
Fidelity Overseas Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
Fidelity Overseas Fund | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Overseas Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.80%
Fidelity Overseas Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Japan Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Fidelity Advisor Japan Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Japan Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Japan Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Japan Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Japan Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Japan Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Japan Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Japan Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Japan Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Japan Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor Japan Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Fidelity Advisor Japan Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Japan Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Japan Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
Fidelity Advisor Japan Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Fidelity Advisor Japan Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
Fidelity Advisor Japan Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Japan Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor Japan Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Japan Fund - Class M | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 96.70%
Fidelity Advisor Japan Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Japan Fund - Class M | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Japan Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.40%
Fidelity Advisor Japan Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Small Cap Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.80%
Fidelity Advisor International Small Cap Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor International Small Cap Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor International Small Cap Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity Advisor International Small Cap Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
Fidelity Advisor International Small Cap Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
Fidelity Advisor International Small Cap Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
Fidelity Advisor International Small Cap Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
Fidelity Advisor International Small Cap Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor International Small Cap Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor International Small Cap Fund - Class I | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.30%
Fidelity Advisor International Small Cap Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor International Small Cap Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor International Small Cap Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor International Small Cap Fund - Class I | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor International Small Cap Fund - Class I | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Small Cap Fund - Class I | China  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class I | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class I | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Small Cap Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 36.10%
Fidelity Advisor International Small Cap Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.30%
Fidelity Advisor International Small Cap Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Growth Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor International Growth Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor International Growth Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor International Growth Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Growth Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Growth Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Growth Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Growth Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Growth Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Growth Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Growth Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 17.90%
Fidelity Advisor International Growth Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.20%
Fidelity Advisor International Growth Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor International Growth Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 34.20%
Fidelity Advisor International Growth Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
Fidelity Advisor International Growth Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
Fidelity Advisor International Growth Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor International Growth Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Growth Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor International Growth Fund - Class M | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Fidelity Advisor International Growth Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 14.40%
Fidelity Advisor International Growth Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
Fidelity Advisor International Growth Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Growth Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor International Growth Fund - Class M | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Advisor International Growth Fund - Class M | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity Advisor International Growth Fund - Class M | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Growth Fund - Class M | France  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor International Growth Fund - Class M | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Growth Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
Fidelity Advisor International Growth Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor International Growth Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity International Capital Appreciation Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity International Capital Appreciation Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity International Capital Appreciation Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity International Capital Appreciation Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity International Capital Appreciation Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity International Capital Appreciation Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity International Capital Appreciation Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity International Capital Appreciation Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity International Capital Appreciation Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity International Capital Appreciation Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity International Capital Appreciation Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 26.00%
Fidelity International Capital Appreciation Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
Fidelity International Capital Appreciation Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity International Capital Appreciation Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 30.10%
Fidelity International Capital Appreciation Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity International Capital Appreciation Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
Fidelity International Capital Appreciation Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity International Capital Appreciation Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity International Capital Appreciation Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity International Capital Appreciation Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity International Capital Appreciation Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
Fidelity International Capital Appreciation Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
Fidelity International Capital Appreciation Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.60%
Fidelity International Capital Appreciation Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity International Capital Appreciation Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Fidelity International Capital Appreciation Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity International Capital Appreciation Fund | India  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
Fidelity International Capital Appreciation Fund | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity International Capital Appreciation Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.30%
Fidelity International Capital Appreciation Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Emerging Markets Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
Fidelity Advisor Emerging Markets Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Fidelity Advisor Emerging Markets Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Emerging Markets Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Emerging Markets Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Emerging Markets Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Emerging Markets Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Emerging Markets Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.70%
Fidelity Advisor Emerging Markets Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 25.50%
Fidelity Advisor Emerging Markets Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Fidelity Advisor Emerging Markets Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Emerging Markets Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
Fidelity Advisor Emerging Markets Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Emerging Markets Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.00%
Fidelity Advisor Emerging Markets Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Emerging Markets Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
Fidelity Advisor Emerging Markets Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Emerging Markets Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Emerging Markets Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Emerging Markets Fund - Class Z | China  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
Fidelity Advisor Emerging Markets Fund - Class Z | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Emerging Markets Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
Fidelity Advisor Emerging Markets Fund - Class Z | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class Z | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor Emerging Markets Fund - Class Z | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
Fidelity Advisor Emerging Markets Fund - Class Z | India  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
Fidelity Advisor Emerging Markets Fund - Class Z | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Emerging Markets Fund - Class Z | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
Fidelity Advisor Emerging Markets Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor Emerging Markets Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Emerging Markets Fund - Class Z | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor International Growth Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor International Growth Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor International Growth Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor International Growth Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Growth Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Growth Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Growth Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Growth Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Growth Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Growth Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Growth Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 17.90%
Fidelity Advisor International Growth Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.20%
Fidelity Advisor International Growth Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor International Growth Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 34.20%
Fidelity Advisor International Growth Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
Fidelity Advisor International Growth Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
Fidelity Advisor International Growth Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor International Growth Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Growth Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor International Growth Fund - Class I | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Fidelity Advisor International Growth Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 14.40%
Fidelity Advisor International Growth Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
Fidelity Advisor International Growth Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Growth Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor International Growth Fund - Class I | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Advisor International Growth Fund - Class I | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity Advisor International Growth Fund - Class I | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Growth Fund - Class I | France  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor International Growth Fund - Class I | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Growth Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
Fidelity Advisor International Growth Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor International Growth Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Emerging Markets Discovery Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Emerging Markets Discovery Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Emerging Markets Discovery Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Emerging Markets Discovery Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Emerging Markets Discovery Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Emerging Markets Discovery Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Emerging Markets Discovery Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Emerging Markets Discovery Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Emerging Markets Discovery Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Emerging Markets Discovery Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Emerging Markets Discovery Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Emerging Markets Discovery Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Emerging Markets Discovery Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Emerging Markets Discovery Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Emerging Markets Discovery Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.10%
Fidelity Emerging Markets Discovery Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Emerging Markets Discovery Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
Fidelity Emerging Markets Discovery Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Emerging Markets Discovery Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Emerging Markets Discovery Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Emerging Markets Discovery Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Emerging Markets Discovery Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Emerging Markets Discovery Fund | China  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
Fidelity Emerging Markets Discovery Fund | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Emerging Markets Discovery Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
Fidelity Emerging Markets Discovery Fund | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
Fidelity Emerging Markets Discovery Fund | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
Fidelity Emerging Markets Discovery Fund | India  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
Fidelity Emerging Markets Discovery Fund | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Emerging Markets Discovery Fund | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Emerging Markets Discovery Fund | Poland  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Emerging Markets Discovery Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
Fidelity Emerging Markets Discovery Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor China Region Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 21.70%
Fidelity Advisor China Region Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor China Region Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor China Region Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor China Region Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor China Region Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor China Region Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor China Region Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor China Region Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor China Region Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
Fidelity Advisor China Region Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 30.90%
Fidelity Advisor China Region Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor China Region Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor China Region Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor China Region Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.40%
Fidelity Advisor China Region Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor China Region Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.20%
Fidelity Advisor China Region Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class A | China  
Holdings [Line Items]  
Percent of Net Asset Value 60.20%
Fidelity Advisor China Region Fund - Class A | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor China Region Fund - Class A | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 29.10%
Fidelity Advisor China Region Fund - Class A | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor China Region Fund - Class A | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor China Region Fund - Class A | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor China Region Fund - Class A | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor China Region Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
Fidelity Advisor China Region Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor China Region Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Worldwide Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor Worldwide Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Worldwide Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Worldwide Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Worldwide Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Worldwide Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Worldwide Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Worldwide Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Worldwide Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Fidelity Advisor Worldwide Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Worldwide Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Worldwide Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Worldwide Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Worldwide Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Worldwide Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Advisor Worldwide Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Worldwide Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
Fidelity Advisor Worldwide Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Worldwide Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class M | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Worldwide Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Advisor Worldwide Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 65.20%
Fidelity Advisor Worldwide Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Worldwide Fund - Class M | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class M | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Worldwide Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Advisor Worldwide Fund - Class M | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Worldwide Fund - Class M | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Worldwide Fund - Class M | France  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Worldwide Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
Fidelity Advisor Worldwide Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Worldwide Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor China Region Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 21.70%
Fidelity Advisor China Region Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor China Region Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor China Region Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor China Region Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor China Region Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor China Region Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor China Region Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor China Region Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor China Region Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
Fidelity Advisor China Region Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 30.90%
Fidelity Advisor China Region Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor China Region Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor China Region Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor China Region Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.40%
Fidelity Advisor China Region Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor China Region Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.20%
Fidelity Advisor China Region Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor China Region Fund - Class Z | China  
Holdings [Line Items]  
Percent of Net Asset Value 60.20%
Fidelity Advisor China Region Fund - Class Z | France  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor China Region Fund - Class Z | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 29.10%
Fidelity Advisor China Region Fund - Class Z | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor China Region Fund - Class Z | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor China Region Fund - Class Z | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor China Region Fund - Class Z | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor China Region Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
Fidelity Advisor China Region Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor China Region Fund - Class Z | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Japan Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Fidelity Japan Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Japan Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Japan Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Japan Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Japan Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Japan Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Japan Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Japan Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Japan Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Japan Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Japan Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Fidelity Japan Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Japan Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Japan Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
Fidelity Japan Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Fidelity Japan Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
Fidelity Japan Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Japan Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Japan Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Japan Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 96.70%
Fidelity Japan Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Japan Fund | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Japan Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.40%
Fidelity Japan Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Small Cap Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor International Small Cap Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Small Cap Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.80%
Fidelity Advisor International Small Cap Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor International Small Cap Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor International Small Cap Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity Advisor International Small Cap Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
Fidelity Advisor International Small Cap Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
Fidelity Advisor International Small Cap Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
Fidelity Advisor International Small Cap Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
Fidelity Advisor International Small Cap Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor International Small Cap Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Advisor International Small Cap Fund - Class Z | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.30%
Fidelity Advisor International Small Cap Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor International Small Cap Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Advisor International Small Cap Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor International Small Cap Fund - Class Z | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor International Small Cap Fund - Class Z | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Small Cap Fund - Class Z | China  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class Z | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Fund - Class Z | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Small Cap Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 36.10%
Fidelity Advisor International Small Cap Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.30%
Fidelity Advisor International Small Cap Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity International Discovery K6 Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity International Discovery K6 Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity International Discovery K6 Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity International Discovery K6 Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity International Discovery K6 Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity International Discovery K6 Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity International Discovery K6 Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity International Discovery K6 Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity International Discovery K6 Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity International Discovery K6 Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity International Discovery K6 Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 25.60%
Fidelity International Discovery K6 Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
Fidelity International Discovery K6 Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Fidelity International Discovery K6 Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.50%
Fidelity International Discovery K6 Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity International Discovery K6 Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
Fidelity International Discovery K6 Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity International Discovery K6 Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity International Discovery K6 Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity International Discovery K6 Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
Fidelity International Discovery K6 Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 18.20%
Fidelity International Discovery K6 Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Fidelity International Discovery K6 Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity International Discovery K6 Fund | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity International Discovery K6 Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
Fidelity International Discovery K6 Fund | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity International Discovery K6 Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
Fidelity International Discovery K6 Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity International Discovery K6 Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Fidelity International Discovery K6 Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.20%
Fidelity International Discovery K6 Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity International Discovery K6 Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity International Growth Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity International Growth Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity International Growth Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity International Growth Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity International Growth Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity International Growth Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity International Growth Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity International Growth Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity International Growth Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity International Growth Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity International Growth Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 17.90%
Fidelity International Growth Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.20%
Fidelity International Growth Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity International Growth Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 34.20%
Fidelity International Growth Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
Fidelity International Growth Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
Fidelity International Growth Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity International Growth Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity International Growth Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity International Growth Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Fidelity International Growth Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 14.40%
Fidelity International Growth Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
Fidelity International Growth Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity International Growth Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity International Growth Fund | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity International Growth Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity International Growth Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity International Growth Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity International Growth Fund | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity International Growth Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
Fidelity International Growth Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity International Growth Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Japan Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Fidelity Advisor Japan Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Japan Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Japan Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Japan Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Japan Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Japan Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Japan Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Japan Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Japan Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Japan Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor Japan Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Fidelity Advisor Japan Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Japan Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Japan Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
Fidelity Advisor Japan Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Fidelity Advisor Japan Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
Fidelity Advisor Japan Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Japan Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor Japan Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Japan Fund - Class I | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 96.70%
Fidelity Advisor Japan Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Japan Fund - Class I | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Japan Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.40%
Fidelity Advisor Japan Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Global Equity Income Fund - Class Z | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor Global Equity Income Fund - Class Z | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor Global Equity Income Fund - Class Z | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor Global Equity Income Fund - Class Z | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Global Equity Income Fund - Class Z | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Global Equity Income Fund - Class Z | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class Z | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class Z | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Global Equity Income Fund - Class Z | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Global Equity Income Fund - Class Z | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Global Equity Income Fund - Class Z | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
Fidelity Advisor Global Equity Income Fund - Class Z | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
Fidelity Advisor Global Equity Income Fund - Class Z | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
Fidelity Advisor Global Equity Income Fund - Class Z | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Global Equity Income Fund - Class Z | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
Fidelity Advisor Global Equity Income Fund - Class Z | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Global Equity Income Fund - Class Z | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Global Equity Income Fund - Class Z | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Advisor Global Equity Income Fund - Class Z | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
Fidelity Advisor Global Equity Income Fund - Class Z | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Global Equity Income Fund - Class Z | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Global Equity Income Fund - Class Z | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor Global Equity Income Fund - Class Z | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor Global Equity Income Fund - Class Z | United States  
Holdings [Line Items]  
Percent of Net Asset Value 58.70%
Fidelity Advisor Global Equity Income Fund - Class Z | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor Global Equity Income Fund - Class Z | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
Fidelity Advisor Global Equity Income Fund - Class Z | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Global Equity Income Fund - Class Z | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Global Equity Income Fund - Class Z | France  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Global Equity Income Fund - Class Z | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Global Equity Income Fund - Class Z | Ireland  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Global Equity Income Fund - Class Z | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
Fidelity Advisor Global Equity Income Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Advisor Worldwide Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Worldwide Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor Worldwide Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor Worldwide Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Worldwide Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Worldwide Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Worldwide Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Worldwide Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Worldwide Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Worldwide Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Fidelity Advisor Worldwide Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
Fidelity Advisor Worldwide Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Worldwide Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Worldwide Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Worldwide Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Worldwide Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
Fidelity Advisor Worldwide Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Worldwide Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
Fidelity Advisor Worldwide Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Worldwide Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class C | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Worldwide Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Advisor Worldwide Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 65.20%
Fidelity Advisor Worldwide Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Worldwide Fund - Class C | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor Worldwide Fund - Class C | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Worldwide Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Advisor Worldwide Fund - Class C | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor Worldwide Fund - Class C | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Worldwide Fund - Class C | France  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Worldwide Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
Fidelity Advisor Worldwide Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Worldwide Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity International Capital Appreciation K6 Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity International Capital Appreciation K6 Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity International Capital Appreciation K6 Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity International Capital Appreciation K6 Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity International Capital Appreciation K6 Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity International Capital Appreciation K6 Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity International Capital Appreciation K6 Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity International Capital Appreciation K6 Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity International Capital Appreciation K6 Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity International Capital Appreciation K6 Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity International Capital Appreciation K6 Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 26.00%
Fidelity International Capital Appreciation K6 Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
Fidelity International Capital Appreciation K6 Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity International Capital Appreciation K6 Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 30.20%
Fidelity International Capital Appreciation K6 Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity International Capital Appreciation K6 Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Fidelity International Capital Appreciation K6 Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity International Capital Appreciation K6 Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity International Capital Appreciation K6 Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity International Capital Appreciation K6 Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity International Capital Appreciation K6 Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
Fidelity International Capital Appreciation K6 Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
Fidelity International Capital Appreciation K6 Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.60%
Fidelity International Capital Appreciation K6 Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity International Capital Appreciation K6 Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Fidelity International Capital Appreciation K6 Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity International Capital Appreciation K6 Fund | India  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
Fidelity International Capital Appreciation K6 Fund | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity International Capital Appreciation K6 Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.30%
Fidelity International Capital Appreciation K6 Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | China  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | India  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | Poland  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
Fidelity Advisor Emerging Markets Discovery Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Overseas Fund - Class K | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Overseas Fund - Class K | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Overseas Fund - Class K | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Overseas Fund - Class K | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Overseas Fund - Class K | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Overseas Fund - Class K | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Overseas Fund - Class K | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Overseas Fund - Class K | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Overseas Fund - Class K | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Overseas Fund - Class K | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Overseas Fund - Class K | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 29.20%
Fidelity Overseas Fund - Class K | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
Fidelity Overseas Fund - Class K | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
Fidelity Overseas Fund - Class K | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.60%
Fidelity Overseas Fund - Class K | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Fidelity Overseas Fund - Class K | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Overseas Fund - Class K | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Overseas Fund - Class K | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Fidelity Overseas Fund - Class K | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Overseas Fund - Class K | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 16.90%
Fidelity Overseas Fund - Class K | United States  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
Fidelity Overseas Fund - Class K | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Overseas Fund - Class K | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Overseas Fund - Class K | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
Fidelity Overseas Fund - Class K | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
Fidelity Overseas Fund - Class K | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
Fidelity Overseas Fund - Class K | France  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
Fidelity Overseas Fund - Class K | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Overseas Fund - Class K | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.80%
Fidelity Overseas Fund - Class K | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Nordic Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Fidelity Nordic Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Nordic Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
Fidelity Nordic Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Nordic Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Nordic Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Nordic Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Nordic Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Nordic Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Nordic Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Nordic Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
Fidelity Nordic Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
Fidelity Nordic Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Nordic Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Nordic Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 26.80%
Fidelity Nordic Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Nordic Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Nordic Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Nordic Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Nordic Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Nordic Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
Fidelity Nordic Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Nordic Fund | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 44.20%
Fidelity Nordic Fund | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 24.60%
Fidelity Nordic Fund | Finland  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
Fidelity Nordic Fund | Norway  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
Fidelity Nordic Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.50%
Fidelity Nordic Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor International Discovery Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Discovery Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor International Discovery Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Discovery Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Discovery Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Discovery Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Discovery Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Discovery Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Discovery Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor International Discovery Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor International Discovery Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
Fidelity Advisor International Discovery Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
Fidelity Advisor International Discovery Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor International Discovery Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
Fidelity Advisor International Discovery Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Discovery Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Fidelity Advisor International Discovery Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Discovery Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Fidelity Advisor International Discovery Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Discovery Fund - Class C | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
Fidelity Advisor International Discovery Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
Fidelity Advisor International Discovery Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Fidelity Advisor International Discovery Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Discovery Fund - Class C | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor International Discovery Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.10%
Fidelity Advisor International Discovery Fund - Class C | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Discovery Fund - Class C | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
Fidelity Advisor International Discovery Fund - Class C | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor International Discovery Fund - Class C | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Fidelity Advisor International Discovery Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.90%
Fidelity Advisor International Discovery Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor International Discovery Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor International Growth Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor International Growth Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor International Growth Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor International Growth Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Growth Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Growth Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Growth Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Growth Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Growth Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Growth Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Growth Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 17.90%
Fidelity Advisor International Growth Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.20%
Fidelity Advisor International Growth Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor International Growth Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 34.20%
Fidelity Advisor International Growth Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
Fidelity Advisor International Growth Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
Fidelity Advisor International Growth Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor International Growth Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Growth Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Advisor International Growth Fund - Class C | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
Fidelity Advisor International Growth Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 14.40%
Fidelity Advisor International Growth Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
Fidelity Advisor International Growth Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Growth Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Fidelity Advisor International Growth Fund - Class C | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Advisor International Growth Fund - Class C | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Fidelity Advisor International Growth Fund - Class C | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Growth Fund - Class C | France  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor International Growth Fund - Class C | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Growth Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
Fidelity Advisor International Growth Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor International Growth Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Canada Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Fidelity Advisor Canada Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Fidelity Advisor Canada Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Advisor Canada Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor Canada Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor Canada Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Canada Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Canada Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Canada Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Canada Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Canada Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 28.20%
Fidelity Advisor Canada Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
Fidelity Advisor Canada Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Canada Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor Canada Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
Fidelity Advisor Canada Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
Fidelity Advisor Canada Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Canada Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Canada Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
Fidelity Advisor Canada Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Canada Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Canada Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 92.70%
Fidelity Advisor Canada Fund - Class I | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Canada Fund - Class I | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Canada Fund - Class I | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Canada Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 99.00%
Fidelity Advisor Canada Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Canada Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Canada Fund - Class I | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Europe Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Europe Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Europe Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Europe Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Europe Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Europe Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Europe Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Europe Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Europe Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Europe Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Europe Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 23.80%
Fidelity Advisor Europe Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Europe Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Europe Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Europe Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
Fidelity Advisor Europe Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Europe Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
Fidelity Advisor Europe Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Advisor Europe Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Europe Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Europe Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Europe Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
Fidelity Advisor Europe Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Advisor Europe Fund - Class I | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Europe Fund - Class I | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity Advisor Europe Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
Fidelity Advisor Europe Fund - Class I | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Fidelity Advisor Europe Fund - Class I | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
Fidelity Advisor Europe Fund - Class I | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Europe Fund - Class I | France  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
Fidelity Advisor Europe Fund - Class I | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Europe Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.80%
Fidelity Advisor Europe Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Europe Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor International Value Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor International Value Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Value Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Value Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Value Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Value Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor International Value Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Value Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Value Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Value Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Value Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 38.80%
Fidelity Advisor International Value Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor International Value Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor International Value Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor International Value Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Fidelity Advisor International Value Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor International Value Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor International Value Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor International Value Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor International Value Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Fidelity Advisor International Value Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor International Value Fund - Class I | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
Fidelity Advisor International Value Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Advisor International Value Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 17.10%
Fidelity Advisor International Value Fund - Class I | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Value Fund - Class I | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Value Fund - Class I | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor International Value Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
Fidelity Advisor International Value Fund - Class I | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor International Value Fund - Class I | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor International Value Fund - Class I | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Value Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 92.40%
Fidelity Advisor International Value Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Fidelity Advisor International Value Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor International Discovery Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Discovery Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor International Discovery Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Discovery Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Discovery Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Discovery Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Discovery Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Discovery Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Discovery Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor International Discovery Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor International Discovery Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
Fidelity Advisor International Discovery Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
Fidelity Advisor International Discovery Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor International Discovery Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
Fidelity Advisor International Discovery Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Discovery Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Fidelity Advisor International Discovery Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Discovery Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Fidelity Advisor International Discovery Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Discovery Fund - Class A | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
Fidelity Advisor International Discovery Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
Fidelity Advisor International Discovery Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Fidelity Advisor International Discovery Fund - Class A | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Discovery Fund - Class A | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor International Discovery Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.10%
Fidelity Advisor International Discovery Fund - Class A | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Discovery Fund - Class A | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
Fidelity Advisor International Discovery Fund - Class A | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity Advisor International Discovery Fund - Class A | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Fidelity Advisor International Discovery Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.90%
Fidelity Advisor International Discovery Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Advisor International Discovery Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Canada Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
Fidelity Advisor Canada Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Fidelity Advisor Canada Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
Fidelity Advisor Canada Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
Fidelity Advisor Canada Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor Canada Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Canada Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Canada Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor Canada Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Canada Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Canada Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 28.20%
Fidelity Advisor Canada Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
Fidelity Advisor Canada Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Canada Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
Fidelity Advisor Canada Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
Fidelity Advisor Canada Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
Fidelity Advisor Canada Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
Fidelity Advisor Canada Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor Canada Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
Fidelity Advisor Canada Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Canada Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Canada Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 92.70%
Fidelity Advisor Canada Fund - Class M | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Canada Fund - Class M | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Canada Fund - Class M | Zambia  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Canada Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 99.00%
Fidelity Advisor Canada Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor Canada Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Fidelity Advisor Canada Fund - Class M | AABondsMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Europe Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Europe Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Europe Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Europe Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Europe Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Europe Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Europe Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Europe Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Europe Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Europe Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Europe Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 23.80%
Fidelity Advisor Europe Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Europe Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Europe Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Europe Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
Fidelity Advisor Europe Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Europe Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
Fidelity Advisor Europe Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Advisor Europe Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Europe Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Europe Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Europe Fund - Class A | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
Fidelity Advisor Europe Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Advisor Europe Fund - Class A | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Europe Fund - Class A | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity Advisor Europe Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
Fidelity Advisor Europe Fund - Class A | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Fidelity Advisor Europe Fund - Class A | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
Fidelity Advisor Europe Fund - Class A | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Europe Fund - Class A | France  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
Fidelity Advisor Europe Fund - Class A | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Europe Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.80%
Fidelity Advisor Europe Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Europe Fund - Class A | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor International Value Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor International Value Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Value Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Value Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor International Value Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor International Value Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor International Value Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Value Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Value Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Value Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Value Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 38.80%
Fidelity Advisor International Value Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor International Value Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
Fidelity Advisor International Value Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Fidelity Advisor International Value Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Fidelity Advisor International Value Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
Fidelity Advisor International Value Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor International Value Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Fidelity Advisor International Value Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor International Value Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
Fidelity Advisor International Value Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Fidelity Advisor International Value Fund - Class C | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
Fidelity Advisor International Value Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
Fidelity Advisor International Value Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 17.10%
Fidelity Advisor International Value Fund - Class C | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor International Value Fund - Class C | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor International Value Fund - Class C | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor International Value Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
Fidelity Advisor International Value Fund - Class C | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
Fidelity Advisor International Value Fund - Class C | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor International Value Fund - Class C | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Value Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 92.40%
Fidelity Advisor International Value Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
Fidelity Advisor International Value Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 21.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 30.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 26.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | Belgium  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 91.50%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor International Small Cap Opportunities Fund - Class M | AAInternationalEquityFundsMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
Fidelity International Discovery Fund - Class K | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity International Discovery Fund - Class K | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity International Discovery Fund - Class K | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity International Discovery Fund - Class K | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity International Discovery Fund - Class K | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity International Discovery Fund - Class K | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity International Discovery Fund - Class K | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity International Discovery Fund - Class K | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Fidelity International Discovery Fund - Class K | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity International Discovery Fund - Class K | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity International Discovery Fund - Class K | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
Fidelity International Discovery Fund - Class K | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
Fidelity International Discovery Fund - Class K | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity International Discovery Fund - Class K | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
Fidelity International Discovery Fund - Class K | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity International Discovery Fund - Class K | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Fidelity International Discovery Fund - Class K | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity International Discovery Fund - Class K | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Fidelity International Discovery Fund - Class K | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity International Discovery Fund - Class K | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
Fidelity International Discovery Fund - Class K | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
Fidelity International Discovery Fund - Class K | United States  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
Fidelity International Discovery Fund - Class K | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity International Discovery Fund - Class K | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity International Discovery Fund - Class K | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 19.10%
Fidelity International Discovery Fund - Class K | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity International Discovery Fund - Class K | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
Fidelity International Discovery Fund - Class K | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Fidelity International Discovery Fund - Class K | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Fidelity International Discovery Fund - Class K | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 94.90%
Fidelity International Discovery Fund - Class K | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity International Discovery Fund - Class K | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Advisor Total International Equity Fund - Class I | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Total International Equity Fund - Class I | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Total International Equity Fund - Class I | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Total International Equity Fund - Class I | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Total International Equity Fund - Class I | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Total International Equity Fund - Class I | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Total International Equity Fund - Class I | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Total International Equity Fund - Class I | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Total International Equity Fund - Class I | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Total International Equity Fund - Class I | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Total International Equity Fund - Class I | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
Fidelity Advisor Total International Equity Fund - Class I | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
Fidelity Advisor Total International Equity Fund - Class I | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Total International Equity Fund - Class I | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Total International Equity Fund - Class I | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
Fidelity Advisor Total International Equity Fund - Class I | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Fidelity Advisor Total International Equity Fund - Class I | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Advisor Total International Equity Fund - Class I | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Total International Equity Fund - Class I | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Total International Equity Fund - Class I | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Total International Equity Fund - Class I | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Total International Equity Fund - Class I | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Total International Equity Fund - Class I | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor Total International Equity Fund - Class I | United States  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
Fidelity Advisor Total International Equity Fund - Class I | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Fidelity Advisor Total International Equity Fund - Class I | China  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Total International Equity Fund - Class I | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
Fidelity Advisor Total International Equity Fund - Class I | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Total International Equity Fund - Class I | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Total International Equity Fund - Class I | France  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Total International Equity Fund - Class I | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Total International Equity Fund - Class I | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.20%
Fidelity Advisor Total International Equity Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Total International Equity Fund - Class I | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Europe Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Europe Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Europe Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Advisor Europe Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Europe Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Europe Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Europe Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Europe Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Advisor Europe Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Europe Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Europe Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 23.80%
Fidelity Advisor Europe Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Europe Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Europe Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Europe Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
Fidelity Advisor Europe Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Europe Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
Fidelity Advisor Europe Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Advisor Europe Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Europe Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Europe Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Advisor Europe Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
Fidelity Advisor Europe Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Advisor Europe Fund - Class M | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Europe Fund - Class M | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity Advisor Europe Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
Fidelity Advisor Europe Fund - Class M | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Fidelity Advisor Europe Fund - Class M | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
Fidelity Advisor Europe Fund - Class M | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Europe Fund - Class M | France  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
Fidelity Advisor Europe Fund - Class M | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Europe Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.80%
Fidelity Advisor Europe Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Europe Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Total International Equity Fund - Class C | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Total International Equity Fund - Class C | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Total International Equity Fund - Class C | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Total International Equity Fund - Class C | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Total International Equity Fund - Class C | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Total International Equity Fund - Class C | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Total International Equity Fund - Class C | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Total International Equity Fund - Class C | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Total International Equity Fund - Class C | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Total International Equity Fund - Class C | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Total International Equity Fund - Class C | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
Fidelity Advisor Total International Equity Fund - Class C | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
Fidelity Advisor Total International Equity Fund - Class C | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Total International Equity Fund - Class C | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Total International Equity Fund - Class C | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
Fidelity Advisor Total International Equity Fund - Class C | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Fidelity Advisor Total International Equity Fund - Class C | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Advisor Total International Equity Fund - Class C | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Total International Equity Fund - Class C | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Total International Equity Fund - Class C | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Total International Equity Fund - Class C | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Total International Equity Fund - Class C | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Total International Equity Fund - Class C | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor Total International Equity Fund - Class C | United States  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
Fidelity Advisor Total International Equity Fund - Class C | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Fidelity Advisor Total International Equity Fund - Class C | China  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Total International Equity Fund - Class C | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
Fidelity Advisor Total International Equity Fund - Class C | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Total International Equity Fund - Class C | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Total International Equity Fund - Class C | France  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Total International Equity Fund - Class C | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Total International Equity Fund - Class C | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.20%
Fidelity Advisor Total International Equity Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Total International Equity Fund - Class C | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Emerging Asia Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Emerging Asia Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
Fidelity Emerging Asia Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Fidelity Emerging Asia Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
Fidelity Emerging Asia Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
Fidelity Emerging Asia Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Emerging Asia Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Emerging Asia Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Emerging Asia Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Emerging Asia Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Emerging Asia Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
Fidelity Emerging Asia Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 25.10%
Fidelity Emerging Asia Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Emerging Asia Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
Fidelity Emerging Asia Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Emerging Asia Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.40%
Fidelity Emerging Asia Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
Fidelity Emerging Asia Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
Fidelity Emerging Asia Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Emerging Asia Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Emerging Asia Fund | China  
Holdings [Line Items]  
Percent of Net Asset Value 36.80%
Fidelity Emerging Asia Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Emerging Asia Fund | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 15.30%
Fidelity Emerging Asia Fund | India  
Holdings [Line Items]  
Percent of Net Asset Value 28.20%
Fidelity Emerging Asia Fund | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
Fidelity Emerging Asia Fund | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Fidelity Emerging Asia Fund | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Emerging Asia Fund | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Fidelity Emerging Asia Fund | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
Fidelity Emerging Asia Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%
Fidelity Emerging Asia Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Emerging Asia Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Total International Equity Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Total International Equity Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Total International Equity Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Total International Equity Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Total International Equity Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Total International Equity Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Total International Equity Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Total International Equity Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Total International Equity Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Total International Equity Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Total International Equity Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
Fidelity Total International Equity Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
Fidelity Total International Equity Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Total International Equity Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Total International Equity Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
Fidelity Total International Equity Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Fidelity Total International Equity Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Total International Equity Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Total International Equity Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Total International Equity Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Total International Equity Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Total International Equity Fund | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Total International Equity Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Total International Equity Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
Fidelity Total International Equity Fund | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Fidelity Total International Equity Fund | China  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Total International Equity Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
Fidelity Total International Equity Fund | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Total International Equity Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Total International Equity Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Total International Equity Fund | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Total International Equity Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.20%
Fidelity Total International Equity Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Total International Equity Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Total International Equity Fund - Class M | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Total International Equity Fund - Class M | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Advisor Total International Equity Fund - Class M | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Total International Equity Fund - Class M | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Total International Equity Fund - Class M | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Advisor Total International Equity Fund - Class M | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Total International Equity Fund - Class M | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Total International Equity Fund - Class M | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Total International Equity Fund - Class M | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Total International Equity Fund - Class M | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Total International Equity Fund - Class M | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
Fidelity Advisor Total International Equity Fund - Class M | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
Fidelity Advisor Total International Equity Fund - Class M | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Total International Equity Fund - Class M | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Total International Equity Fund - Class M | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
Fidelity Advisor Total International Equity Fund - Class M | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
Fidelity Advisor Total International Equity Fund - Class M | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
Fidelity Advisor Total International Equity Fund - Class M | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Fidelity Advisor Total International Equity Fund - Class M | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Fidelity Advisor Total International Equity Fund - Class M | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Fidelity Advisor Total International Equity Fund - Class M | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Total International Equity Fund - Class M | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Advisor Total International Equity Fund - Class M | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
Fidelity Advisor Total International Equity Fund - Class M | United States  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
Fidelity Advisor Total International Equity Fund - Class M | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Fidelity Advisor Total International Equity Fund - Class M | China  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
Fidelity Advisor Total International Equity Fund - Class M | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
Fidelity Advisor Total International Equity Fund - Class M | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Total International Equity Fund - Class M | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
Fidelity Advisor Total International Equity Fund - Class M | France  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Advisor Total International Equity Fund - Class M | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Advisor Total International Equity Fund - Class M | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.20%
Fidelity Advisor Total International Equity Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Total International Equity Fund - Class M | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Japan Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Fidelity Advisor Japan Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
Fidelity Advisor Japan Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Fidelity Advisor Japan Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Fidelity Advisor Japan Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Japan Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Japan Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Japan Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Fidelity Advisor Japan Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Japan Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Japan Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
Fidelity Advisor Japan Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
Fidelity Advisor Japan Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Japan Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Fidelity Advisor Japan Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
Fidelity Advisor Japan Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
Fidelity Advisor Japan Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
Fidelity Advisor Japan Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Advisor Japan Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Fidelity Advisor Japan Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
Fidelity Advisor Japan Fund - Class A | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 96.70%
Fidelity Advisor Japan Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Advisor Japan Fund - Class A | China  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
Fidelity Advisor Japan Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 97.40%
Fidelity Advisor Japan Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Europe Fund | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Europe Fund | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Europe Fund | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Fidelity Europe Fund | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Europe Fund | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Europe Fund | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
Fidelity Europe Fund | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Europe Fund | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
Fidelity Europe Fund | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Europe Fund | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Fidelity Europe Fund | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 23.80%
Fidelity Europe Fund | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Europe Fund | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
Fidelity Europe Fund | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Europe Fund | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
Fidelity Europe Fund | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
Fidelity Europe Fund | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
Fidelity Europe Fund | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
Fidelity Europe Fund | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
Fidelity Europe Fund | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Europe Fund | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Fidelity Europe Fund | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
Fidelity Europe Fund | United States  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Fidelity Europe Fund | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Fidelity Europe Fund | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Fidelity Europe Fund | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
Fidelity Europe Fund | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Fidelity Europe Fund | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
Fidelity Europe Fund | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Europe Fund | France  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
Fidelity Europe Fund | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Europe Fund | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 96.80%
Fidelity Europe Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
Fidelity Europe Fund | AAPreferredStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | TH0Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | TH1Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | TH2Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | TH3Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | TH4Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | TH5Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | TH6Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | TH7Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | TH8Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | TH9Member  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | MSFinancialsSectorMember  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Information Technology Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Healthcare Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Real Estate Sector  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Industrial Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 22.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Materials Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Consumer Discretionary Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Consumer Staples Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Communications Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Energy Sector  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Utilities Sector Member  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | United States  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | China  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | OtherMember  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | India  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Korea, Republic of  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | Poland  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | AACommonStocksMember  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
Fidelity Advisor Emerging Markets Discovery Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%