{ "instance": { "filing5727.htm": { "axisCustom": 0, "axisStandard": 4, "baseTaxonomies": { "http://xbrl.sec.gov/dei/2022": 6, "http://xbrl.sec.gov/rr/2022": 1273 }, "contextCount": 104, "dts": { "calculationLink": { "local": [ "fmr-20221230_cal.xml" ] }, "definitionLink": { "local": [ "fmr-20221230_def.xml" ] }, "inline": { "local": [ "filing5727.htm" ] }, "labelLink": { "local": [ "fmr-20221230_lab.xml" ] }, "presentationLink": { "local": [ "fmr-20221230_pre.xml" ] }, "schema": { "local": [ "fmr-20221230.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd", "https://xbrl.sec.gov/dei/2022/dei-2022.xsd", "https://xbrl.sec.gov/rr/2022/rr-2022.xsd" ] } }, "elementCount": 287, "entityCount": 1, "hidden": { "http://xbrl.sec.gov/dei/2022": 6, "total": 6 }, "keyCustom": 0, "keyStandard": 89, "memberCustom": 67, "memberStandard": 2, "nsprefix": "fmr", "nsuri": "http://www.fidelity.com/20221230", "report": { "R1": { "firstAnchor": null, "groupType": "document", "isDefault": "false", "longName": "000000 - Document - Document and Entity Information", "menuCat": "", "order": "1", "role": "http://www.fidelity.com/role/DocumentInformation", "shortName": "Document and Entity Information", "subGroupType": "", "uniqueAnchor": null }, "R10": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314GCS-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000011 - Schedule - Shareholder Fees - FidelityGlobalCommodityStockFund-RetailPRO", "menuCat": "", "order": "10", "role": "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "shortName": "Shareholder Fees - FidelityGlobalCommodityStockFund-RetailPRO", "subGroupType": "", "uniqueAnchor": null }, "R100": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294C000234201", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000130 - Schedule - Expense Example - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "menuCat": "", "order": "100", "role": "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "shortName": "Expense Example - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R101": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294C000234201", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleNoRedemptionYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000131 - Schedule - Expense Example, No Redemption - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "menuCat": "", "order": "101", "role": "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "shortName": "Expense Example, No Redemption - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R102": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294ASIC-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000135 - Disclosure - Risk/Return Detail Data - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "menuCat": "", "order": "102", "role": "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "shortName": "Risk/Return Detail Data - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "link:footnote", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294ASIC-PRO", "decimals": null, "lang": "en-US", "name": "rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R103": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294SIC-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000136 - Document - Risk/Return Summary - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "menuCat": "", "order": "103", "role": "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "shortName": "Risk/Return Summary - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R104": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294SIC-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000137 - Schedule - Shareholder Fees - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "menuCat": "", "order": "104", "role": "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "shortName": "Shareholder Fees - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R105": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294C000234205", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000138 - Schedule - Annual Operating Expenses - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "menuCat": "", "order": "105", "role": "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "shortName": "Annual Operating Expenses - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R106": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294C000234205", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000139 - Schedule - Expense Example - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "menuCat": "", "order": "106", "role": "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "shortName": "Expense Example - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R107": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294SIC-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000144 - Disclosure - Risk/Return Detail Data - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "menuCat": "", "order": "107", "role": "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "shortName": "Risk/Return Detail Data - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "link:footnote", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294SIC-PRO", "decimals": null, "lang": "en-US", "name": "rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R108": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295ASIC-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000145 - Document - Risk/Return Summary - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "menuCat": "", "order": "108", "role": "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "shortName": "Risk/Return Summary - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R109": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295C000234207", "decimals": "4", "first": true, "lang": null, "name": "rr:MaximumCumulativeSalesChargeOverOfferingPrice", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000146 - Schedule - Shareholder Fees - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "menuCat": "", "order": "109", "role": "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "shortName": "Shareholder Fees - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R11": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314C000071913", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000012 - Schedule - Annual Operating Expenses - FidelityGlobalCommodityStockFund-RetailPRO", "menuCat": "", "order": "11", "role": "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "shortName": "Annual Operating Expenses - FidelityGlobalCommodityStockFund-RetailPRO", "subGroupType": "", "uniqueAnchor": null }, "R110": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295C000234207", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000147 - Schedule - Annual Operating Expenses - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "menuCat": "", "order": "110", "role": "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "shortName": "Annual Operating Expenses - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R111": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295C000234207", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000148 - Schedule - Expense Example - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "menuCat": "", "order": "111", "role": "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "shortName": "Expense Example - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R112": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295C000234207", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleNoRedemptionYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000149 - Schedule - Expense Example, No Redemption - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "menuCat": "", "order": "112", "role": "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "shortName": "Expense Example, No Redemption - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R113": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295ASIC-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000153 - Disclosure - Risk/Return Detail Data - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "menuCat": "", "order": "113", "role": "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "shortName": "Risk/Return Detail Data - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "link:footnote", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295ASIC-PRO", "decimals": null, "lang": "en-US", "name": "rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R114": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295SIC-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000154 - Document - Risk/Return Summary - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "menuCat": "", "order": "114", "role": "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "shortName": "Risk/Return Summary - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R115": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295SIC-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000155 - Schedule - Shareholder Fees - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "menuCat": "", "order": "115", "role": "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "shortName": "Shareholder Fees - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R116": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295C000234211", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000156 - Schedule - Annual Operating Expenses - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "menuCat": "", "order": "116", "role": "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "shortName": "Annual Operating Expenses - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R117": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295C000234211", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000157 - Schedule - Expense Example - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "menuCat": "", "order": "117", "role": "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "shortName": "Expense Example - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R118": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295SIC-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000162 - Disclosure - Risk/Return Detail Data - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "menuCat": "", "order": "118", "role": "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "shortName": "Risk/Return Detail Data - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "link:footnote", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295SIC-PRO", "decimals": null, "lang": "en-US", "name": "rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R119": { "firstAnchor": null, "groupType": "disclosure", "isDefault": "false", "longName": "040000 - Disclosure - Risk/Return Detail Data {Elements}", "menuCat": "", "order": "119", "role": "http://xbrl.sec.gov/rr/role/RiskReturnDetailData", "shortName": "Risk/Return Detail Data", "subGroupType": "", "uniqueAnchor": null }, "R12": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314C000071913", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000013 - Schedule - Expense Example - FidelityGlobalCommodityStockFund-RetailPRO", "menuCat": "", "order": "12", "role": "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "shortName": "Expense Example - FidelityGlobalCommodityStockFund-RetailPRO", "subGroupType": "", "uniqueAnchor": null }, "R13": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314C000071913", "decimals": "INF", "first": true, "lang": null, "name": "rr:AnnualReturn2012", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000015 - Schedule - Annual Total Returns - FidelityGlobalCommodityStockFund-RetailPRO", "menuCat": "", "order": "13", "role": "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "shortName": "Annual Total Returns - FidelityGlobalCommodityStockFund-RetailPRO", "subGroupType": "", "uniqueAnchor": null }, "R14": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314C000071913ReturnBeforeTaxes", "decimals": "4", "first": true, "lang": null, "name": "rr:AverageAnnualReturnYear01", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000016 - Schedule - Average Annual Total Returns - FidelityGlobalCommodityStockFund-RetailPRO", "menuCat": "", "order": "14", "role": "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "shortName": "Average Annual Total Returns - FidelityGlobalCommodityStockFund-RetailPRO", "subGroupType": "", "uniqueAnchor": null }, "R15": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314GCS-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000018 - Disclosure - Risk/Return Detail Data - FidelityGlobalCommodityStockFund-RetailPRO", "menuCat": "", "order": "15", "role": "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "shortName": "Risk/Return Detail Data - FidelityGlobalCommodityStockFund-RetailPRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "rr:PortfolioTurnoverTextBlock", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314GCS-PRO", "decimals": "4", "lang": null, "name": "rr:PortfolioTurnoverRate", "reportCount": 1, "unique": true, "unitRef": "pure", "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314AGCS-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000019 - Document - Risk/Return Summary - FidelityGlobalCommodityStockFund-AMCIZPRO", "menuCat": "", "order": "16", "role": "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "shortName": "Risk/Return Summary - FidelityGlobalCommodityStockFund-AMCIZPRO", "subGroupType": "", "uniqueAnchor": null }, "R17": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314C000071914", "decimals": "4", "first": true, "lang": null, "name": "rr:MaximumCumulativeSalesChargeOverOfferingPrice", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000020 - Schedule - Shareholder Fees - FidelityGlobalCommodityStockFund-AMCIZPRO", "menuCat": "", "order": "17", "role": "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "shortName": "Shareholder Fees - FidelityGlobalCommodityStockFund-AMCIZPRO", "subGroupType": "", "uniqueAnchor": null }, "R18": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314C000071914", "decimals": "4", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000021 - Schedule - Annual Operating Expenses - FidelityGlobalCommodityStockFund-AMCIZPRO", "menuCat": "", "order": "18", "role": "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "shortName": "Annual Operating Expenses - FidelityGlobalCommodityStockFund-AMCIZPRO", "subGroupType": "", "uniqueAnchor": null }, "R19": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314C000071914", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000022 - Schedule - Expense Example - FidelityGlobalCommodityStockFund-AMCIZPRO", "menuCat": "", "order": "19", "role": "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "shortName": "Expense Example - FidelityGlobalCommodityStockFund-AMCIZPRO", "subGroupType": "", "uniqueAnchor": null }, "R2": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066806IDF-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000001 - Document - Risk/Return Summary - FidelityEnduringOpportunitiesFund-PRO", "menuCat": "", "order": "2", "role": "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "shortName": "Risk/Return Summary - FidelityEnduringOpportunitiesFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R20": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314C000071914", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleNoRedemptionYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000023 - Schedule - Expense Example, No Redemption - FidelityGlobalCommodityStockFund-AMCIZPRO", "menuCat": "", "order": "20", "role": "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "shortName": "Expense Example, No Redemption - FidelityGlobalCommodityStockFund-AMCIZPRO", "subGroupType": "", "uniqueAnchor": null }, "R21": { "firstAnchor": { "ancestors": [ "link:footnote", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314AGCS-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:AnnualReturnInceptionDate", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000024 - Schedule - Annual Total Returns - FidelityGlobalCommodityStockFund-AMCIZPRO", "menuCat": "", "order": "21", "role": "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "shortName": "Annual Total Returns - FidelityGlobalCommodityStockFund-AMCIZPRO", "subGroupType": "", "uniqueAnchor": null }, "R22": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314C000071914ReturnBeforeTaxes", "decimals": "4", "first": true, "lang": null, "name": "rr:AverageAnnualReturnYear01", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000025 - Schedule - Average Annual Total Returns - FidelityGlobalCommodityStockFund-AMCIZPRO", "menuCat": "", "order": "22", "role": "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "shortName": "Average Annual Total Returns - FidelityGlobalCommodityStockFund-AMCIZPRO", "subGroupType": "", "uniqueAnchor": null }, "R23": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314AGCS-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000027 - Disclosure - Risk/Return Detail Data - FidelityGlobalCommodityStockFund-AMCIZPRO", "menuCat": "", "order": "23", "role": "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "shortName": "Risk/Return Detail Data - FidelityGlobalCommodityStockFund-AMCIZPRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "link:footnote", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314AGCS-PRO", "decimals": null, "lang": "en-US", "name": "rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066805ISF-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000028 - Document - Risk/Return Summary - FidelityInfrastructureFund-PRO", "menuCat": "", "order": "24", "role": "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "shortName": "Risk/Return Summary - FidelityInfrastructureFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R25": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066805ISF-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000029 - Schedule - Shareholder Fees - FidelityInfrastructureFund-PRO", "menuCat": "", "order": "25", "role": "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "shortName": "Shareholder Fees - FidelityInfrastructureFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R26": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066805C000215141", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000030 - Schedule - Annual Operating Expenses - FidelityInfrastructureFund-PRO", "menuCat": "", "order": "26", "role": "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "shortName": "Annual Operating Expenses - FidelityInfrastructureFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R27": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066805C000215141", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000031 - Schedule - Expense Example - FidelityInfrastructureFund-PRO", "menuCat": "", "order": "27", "role": "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "shortName": "Expense Example - FidelityInfrastructureFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R28": { "firstAnchor": { "ancestors": [ "link:footnote", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066805ISF-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:AnnualReturnInceptionDate", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000033 - Schedule - Annual Total Returns - FidelityInfrastructureFund-PRO", "menuCat": "", "order": "28", "role": "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "shortName": "Annual Total Returns - FidelityInfrastructureFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R29": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066805C000215141ReturnBeforeTaxes", "decimals": "4", "first": true, "lang": null, "name": "rr:AverageAnnualReturnYear01", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000034 - Schedule - Average Annual Total Returns - FidelityInfrastructureFund-PRO", "menuCat": "", "order": "29", "role": "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "shortName": "Average Annual Total Returns - FidelityInfrastructureFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R3": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066806IDF-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000002 - Schedule - Shareholder Fees - FidelityEnduringOpportunitiesFund-PRO", "menuCat": "", "order": "3", "role": "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "shortName": "Shareholder Fees - FidelityEnduringOpportunitiesFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R30": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066805ISF-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000036 - Disclosure - Risk/Return Detail Data - FidelityInfrastructureFund-PRO", "menuCat": "", "order": "30", "role": "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "shortName": "Risk/Return Detail Data - FidelityInfrastructureFund-PRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "link:footnote", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066805ISF-PRO", "decimals": null, "lang": "en-US", "name": "rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065216ISM-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000037 - Document - Risk/Return Summary - FidelitySAIInternationalSMACompletionFund-PRO", "menuCat": "", "order": "31", "role": "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "shortName": "Risk/Return Summary - FidelitySAIInternationalSMACompletionFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R32": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065216ISM-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000038 - Schedule - Shareholder Fees - FidelitySAIInternationalSMACompletionFund-PRO", "menuCat": "", "order": "32", "role": "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "shortName": "Shareholder Fees - FidelitySAIInternationalSMACompletionFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R33": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065216C000211072", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000039 - Schedule - Annual Operating Expenses - FidelitySAIInternationalSMACompletionFund-PRO", "menuCat": "", "order": "33", "role": "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "shortName": "Annual Operating Expenses - FidelitySAIInternationalSMACompletionFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R34": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065216C000211072", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000040 - Schedule - Expense Example - FidelitySAIInternationalSMACompletionFund-PRO", "menuCat": "", "order": "34", "role": "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "shortName": "Expense Example - FidelitySAIInternationalSMACompletionFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R35": { "firstAnchor": { "ancestors": [ "link:footnote", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065216ISM-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:AnnualReturnInceptionDate", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000042 - Schedule - Annual Total Returns - FidelitySAIInternationalSMACompletionFund-PRO", "menuCat": "", "order": "35", "role": "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "shortName": "Annual Total Returns - FidelitySAIInternationalSMACompletionFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R36": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065216C000211072ReturnBeforeTaxes", "decimals": "4", "first": true, "lang": null, "name": "rr:AverageAnnualReturnYear01", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000043 - Schedule - Average Annual Total Returns - FidelitySAIInternationalSMACompletionFund-PRO", "menuCat": "", "order": "36", "role": "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "shortName": "Average Annual Total Returns - FidelitySAIInternationalSMACompletionFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R37": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065216ISM-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000045 - Disclosure - Risk/Return Detail Data - FidelitySAIInternationalSMACompletionFund-PRO", "menuCat": "", "order": "37", "role": "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "shortName": "Risk/Return Detail Data - FidelitySAIInternationalSMACompletionFund-PRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "rr:PortfolioTurnoverTextBlock", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065216ISM-PRO", "decimals": "4", "lang": null, "name": "rr:PortfolioTurnoverRate", "reportCount": 1, "unique": true, "unitRef": "pure", "xsiNil": "false" } }, "R38": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075895IEE-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000046 - Document - Risk/Return Summary - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "menuCat": "", "order": "38", "role": "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "shortName": "Risk/Return Summary - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R39": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075895IEE-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000047 - Schedule - Shareholder Fees - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "menuCat": "", "order": "39", "role": "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "shortName": "Shareholder Fees - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R4": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066806C000215142", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000003 - Schedule - Annual Operating Expenses - FidelityEnduringOpportunitiesFund-PRO", "menuCat": "", "order": "4", "role": "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "shortName": "Annual Operating Expenses - FidelityEnduringOpportunitiesFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R40": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075895C000235236", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000048 - Schedule - Annual Operating Expenses - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "menuCat": "", "order": "40", "role": "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "shortName": "Annual Operating Expenses - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R41": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075895C000235236", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000049 - Schedule - Expense Example - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "menuCat": "", "order": "41", "role": "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "shortName": "Expense Example - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R42": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075895IEE-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000054 - Disclosure - Risk/Return Detail Data - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "menuCat": "", "order": "42", "role": "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "shortName": "Risk/Return Detail Data - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "link:footnote", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075895IEE-PRO", "decimals": null, "lang": "en-US", "name": "rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R43": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075896IEE-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000055 - Document - Risk/Return Summary - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "menuCat": "", "order": "43", "role": "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "shortName": "Risk/Return Summary - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R44": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075896IEE-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000056 - Schedule - Shareholder Fees - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "menuCat": "", "order": "44", "role": "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "shortName": "Shareholder Fees - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R45": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075896C000235237", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000057 - Schedule - Annual Operating Expenses - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "menuCat": "", "order": "45", "role": "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "shortName": "Annual Operating Expenses - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R46": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075896C000235237", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000058 - Schedule - Expense Example - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "menuCat": "", "order": "46", "role": "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "shortName": "Expense Example - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R47": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075896IEE-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000063 - Disclosure - Risk/Return Detail Data - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "menuCat": "", "order": "47", "role": "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "shortName": "Risk/Return Detail Data - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "link:footnote", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075896IEE-PRO", "decimals": null, "lang": "en-US", "name": "rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R48": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000058342SAD-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000064 - Document - Risk/Return Summary - FidelitySeriesCanadaFund-PRO", "menuCat": "", "order": "48", "role": "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "shortName": "Risk/Return Summary - FidelitySeriesCanadaFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R49": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000058342SAD-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000065 - Schedule - Shareholder Fees - FidelitySeriesCanadaFund-PRO", "menuCat": "", "order": "49", "role": "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "shortName": "Shareholder Fees - FidelitySeriesCanadaFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R5": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066806C000215142", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000004 - Schedule - Expense Example - FidelityEnduringOpportunitiesFund-PRO", "menuCat": "", "order": "5", "role": "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "shortName": "Expense Example - FidelityEnduringOpportunitiesFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R50": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000058342C000191329", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000066 - Schedule - Annual Operating Expenses - FidelitySeriesCanadaFund-PRO", "menuCat": "", "order": "50", "role": "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "shortName": "Annual Operating Expenses - FidelitySeriesCanadaFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R51": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000058342C000191329", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000067 - Schedule - Expense Example - FidelitySeriesCanadaFund-PRO", "menuCat": "", "order": "51", "role": "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "shortName": "Expense Example - FidelitySeriesCanadaFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R52": { "firstAnchor": { "ancestors": [ "link:footnote", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000058342SAD-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:AnnualReturnInceptionDate", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000069 - Schedule - Annual Total Returns - FidelitySeriesCanadaFund-PRO", "menuCat": "", "order": "52", "role": "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "shortName": "Annual Total Returns - FidelitySeriesCanadaFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R53": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000058342C000191329ReturnBeforeTaxes", "decimals": "4", "first": true, "lang": null, "name": "rr:AverageAnnualReturnYear01", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000070 - Schedule - Average Annual Total Returns - FidelitySeriesCanadaFund-PRO", "menuCat": "", "order": "53", "role": "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "shortName": "Average Annual Total Returns - FidelitySeriesCanadaFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R54": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000058342SAD-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000072 - Disclosure - Risk/Return Detail Data - FidelitySeriesCanadaFund-PRO", "menuCat": "", "order": "54", "role": "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "shortName": "Risk/Return Detail Data - FidelitySeriesCanadaFund-PRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "rr:PortfolioTurnoverTextBlock", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000058342SAD-PRO", "decimals": "4", "lang": null, "name": "rr:PortfolioTurnoverRate", "reportCount": 1, "unique": true, "unitRef": "pure", "xsiNil": "false" } }, "R55": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000062805GSV-S-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000073 - Document - Risk/Return Summary - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "55", "role": "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Risk/Return Summary - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R56": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000062805GSV-S-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000074 - Schedule - Shareholder Fees - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "56", "role": "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Shareholder Fees - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R57": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000062805C000203452", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000075 - Schedule - Annual Operating Expenses - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "57", "role": "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Annual Operating Expenses - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R58": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000062805C000203452", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000076 - Schedule - Expense Example - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "58", "role": "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Expense Example - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R59": { "firstAnchor": { "ancestors": [ "link:footnote", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000062805GSV-S-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:AnnualReturnInceptionDate", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000078 - Schedule - Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "59", "role": "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R6": { "firstAnchor": { "ancestors": [ "link:footnote", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066806IDF-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:AnnualReturnInceptionDate", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000006 - Schedule - Annual Total Returns - FidelityEnduringOpportunitiesFund-PRO", "menuCat": "", "order": "6", "role": "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "shortName": "Annual Total Returns - FidelityEnduringOpportunitiesFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R60": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000062805C000203452ReturnBeforeTaxes", "decimals": "4", "first": true, "lang": null, "name": "rr:AverageAnnualReturnYear01", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000079 - Schedule - Average Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "60", "role": "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Average Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R61": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000062805GSV-S-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000081 - Disclosure - Risk/Return Detail Data - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "61", "role": "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Risk/Return Detail Data - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "link:footnote", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000062805GSV-S-PRO", "decimals": null, "lang": "en-US", "name": "rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R62": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000023605GSV-S-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000082 - Document - Risk/Return Summary - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "62", "role": "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Risk/Return Summary - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R63": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000023605GSV-S-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000083 - Schedule - Shareholder Fees - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "63", "role": "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Shareholder Fees - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R64": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000023605C000069437", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000084 - Schedule - Annual Operating Expenses - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "64", "role": "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Annual Operating Expenses - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R65": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000023605C000069437", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000085 - Schedule - Expense Example - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "65", "role": "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Expense Example - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R66": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000023605C000069437", "decimals": "INF", "first": true, "lang": null, "name": "rr:AnnualReturn2012", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000087 - Schedule - Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "66", "role": "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R67": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000023605C000069437ReturnBeforeTaxes", "decimals": "4", "first": true, "lang": null, "name": "rr:AverageAnnualReturnYear01", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000088 - Schedule - Average Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "67", "role": "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Average Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R68": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000023605GSV-S-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000090 - Disclosure - Risk/Return Detail Data - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "68", "role": "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Risk/Return Detail Data - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "link:footnote", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000023605GSV-S-PRO", "decimals": null, "lang": "en-US", "name": "rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R69": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026866GSV-S-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000091 - Document - Risk/Return Summary - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "69", "role": "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Risk/Return Summary - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R7": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066806C000215142ReturnBeforeTaxes", "decimals": "4", "first": true, "lang": null, "name": "rr:AverageAnnualReturnYear01", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000007 - Schedule - Average Annual Total Returns - FidelityEnduringOpportunitiesFund-PRO", "menuCat": "", "order": "7", "role": "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "shortName": "Average Annual Total Returns - FidelityEnduringOpportunitiesFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R70": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026866GSV-S-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000092 - Schedule - Shareholder Fees - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "70", "role": "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Shareholder Fees - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R71": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026866C000080862", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000093 - Schedule - Annual Operating Expenses - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "71", "role": "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Annual Operating Expenses - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R72": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026866C000080862", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000094 - Schedule - Expense Example - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "72", "role": "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Expense Example - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R73": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026866C000080862", "decimals": "INF", "first": true, "lang": null, "name": "rr:AnnualReturn2012", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000096 - Schedule - Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "73", "role": "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R74": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026866C000080862ReturnBeforeTaxes", "decimals": "4", "first": true, "lang": null, "name": "rr:AverageAnnualReturnYear01", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000097 - Schedule - Average Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "74", "role": "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Average Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R75": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026866GSV-S-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000099 - Disclosure - Risk/Return Detail Data - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "75", "role": "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Risk/Return Detail Data - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "rr:PortfolioTurnoverTextBlock", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026866GSV-S-PRO", "decimals": "4", "lang": null, "name": "rr:PortfolioTurnoverRate", "reportCount": 1, "unique": true, "unitRef": "pure", "xsiNil": "false" } }, "R76": { "firstAnchor": { "ancestors": [ "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026868GSV-S-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000100 - Document - Risk/Return Summary - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "76", "role": "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Risk/Return Summary - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R77": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026868GSV-S-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000101 - Schedule - Shareholder Fees - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "77", "role": "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Shareholder Fees - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R78": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026868C000080866", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000102 - Schedule - Annual Operating Expenses - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "78", "role": "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Annual Operating Expenses - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R79": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026868C000080866", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000103 - Schedule - Expense Example - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "79", "role": "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Expense Example - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R8": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066806IDF-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000009 - Disclosure - Risk/Return Detail Data - FidelityEnduringOpportunitiesFund-PRO", "menuCat": "", "order": "8", "role": "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "shortName": "Risk/Return Detail Data - FidelityEnduringOpportunitiesFund-PRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "link:footnote", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066806IDF-PRO", "decimals": null, "lang": "en-US", "name": "rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R80": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026868C000080866", "decimals": "INF", "first": true, "lang": null, "name": "rr:AnnualReturn2012", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000105 - Schedule - Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "80", "role": "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R81": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026868C000080866ReturnBeforeTaxes", "decimals": "4", "first": true, "lang": null, "name": "rr:AverageAnnualReturnYear01", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000106 - Schedule - Average Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "81", "role": "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Average Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R82": { "firstAnchor": { "ancestors": [ "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026868GSV-S-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000108 - Disclosure - Risk/Return Detail Data - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "82", "role": "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Risk/Return Detail Data - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "rr:PortfolioTurnoverTextBlock", "div", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026868GSV-S-PRO", "decimals": "4", "lang": null, "name": "rr:PortfolioTurnoverRate", "reportCount": 1, "unique": true, "unitRef": "pure", "xsiNil": "false" } }, "R83": { "firstAnchor": { "ancestors": [ "div", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026867GSV-S-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000109 - Document - Risk/Return Summary - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "83", "role": "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Risk/Return Summary - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R84": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026867GSV-S-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000110 - Schedule - Shareholder Fees - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "84", "role": "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Shareholder Fees - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R85": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026867C000080864", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000111 - Schedule - Annual Operating Expenses - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "85", "role": "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Annual Operating Expenses - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R86": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026867C000080864", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000112 - Schedule - Expense Example - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "86", "role": "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Expense Example - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R87": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026867C000080864", "decimals": "INF", "first": true, "lang": null, "name": "rr:AnnualReturn2012", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000114 - Schedule - Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "87", "role": "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R88": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026867C000080864ReturnBeforeTaxes", "decimals": "4", "first": true, "lang": null, "name": "rr:AverageAnnualReturnYear01", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000115 - Schedule - Average Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "88", "role": "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Average Annual Total Returns - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R89": { "firstAnchor": { "ancestors": [ "div", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026867GSV-S-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000117 - Disclosure - Risk/Return Detail Data - FidelitySeriesInternationalFunds-ComboPRO", "menuCat": "", "order": "89", "role": "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "shortName": "Risk/Return Detail Data - FidelitySeriesInternationalFunds-ComboPRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "rr:PortfolioTurnoverTextBlock", "div", "div", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026867GSV-S-PRO", "decimals": "4", "lang": null, "name": "rr:PortfolioTurnoverRate", "reportCount": 1, "unique": true, "unitRef": "pure", "xsiNil": "false" } }, "R9": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314GCS-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000010 - Document - Risk/Return Summary - FidelityGlobalCommodityStockFund-RetailPRO", "menuCat": "", "order": "9", "role": "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "shortName": "Risk/Return Summary - FidelityGlobalCommodityStockFund-RetailPRO", "subGroupType": "", "uniqueAnchor": null }, "R90": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065700SOV-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000118 - Document - Risk/Return Summary - FidelitySeriesOverseasFund-PRO", "menuCat": "", "order": "90", "role": "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "shortName": "Risk/Return Summary - FidelitySeriesOverseasFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R91": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065700SOV-PRO", "decimals": "0", "first": true, "lang": null, "name": "rr:ShareholderFeeOther", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000119 - Schedule - Shareholder Fees - FidelitySeriesOverseasFund-PRO", "menuCat": "", "order": "91", "role": "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "shortName": "Shareholder Fees - FidelitySeriesOverseasFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R92": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065700C000212505", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000120 - Schedule - Annual Operating Expenses - FidelitySeriesOverseasFund-PRO", "menuCat": "", "order": "92", "role": "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "shortName": "Annual Operating Expenses - FidelitySeriesOverseasFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R93": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065700C000212505", "decimals": "0", "first": true, "lang": null, "name": "rr:ExpenseExampleYear01", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000121 - Schedule - Expense Example - FidelitySeriesOverseasFund-PRO", "menuCat": "", "order": "93", "role": "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "shortName": "Expense Example - FidelitySeriesOverseasFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R94": { "firstAnchor": { "ancestors": [ "link:footnote", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065700SOV-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:AnnualReturnInceptionDate", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000123 - Schedule - Annual Total Returns - FidelitySeriesOverseasFund-PRO", "menuCat": "", "order": "94", "role": "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "shortName": "Annual Total Returns - FidelitySeriesOverseasFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R95": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065700C000212505ReturnBeforeTaxes", "decimals": "4", "first": true, "lang": null, "name": "rr:AverageAnnualReturnYear01", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000124 - Schedule - Average Annual Total Returns - FidelitySeriesOverseasFund-PRO", "menuCat": "", "order": "95", "role": "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "shortName": "Average Annual Total Returns - FidelitySeriesOverseasFund-PRO", "subGroupType": "", "uniqueAnchor": null }, "R96": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065700SOV-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "000126 - Disclosure - Risk/Return Detail Data - FidelitySeriesOverseasFund-PRO", "menuCat": "", "order": "96", "role": "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "shortName": "Risk/Return Detail Data - FidelitySeriesOverseasFund-PRO", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "rr:PortfolioTurnoverTextBlock", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065700SOV-PRO", "decimals": "4", "lang": null, "name": "rr:PortfolioTurnoverRate", "reportCount": 1, "unique": true, "unitRef": "pure", "xsiNil": "false" } }, "R97": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294ASIC-PRO", "decimals": null, "first": true, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "000127 - Document - Risk/Return Summary - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "menuCat": "", "order": "97", "role": "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "shortName": "Risk/Return Summary - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R98": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294C000234201", "decimals": "4", "first": true, "lang": null, "name": "rr:MaximumCumulativeSalesChargeOverOfferingPrice", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000128 - Schedule - Shareholder Fees - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "menuCat": "", "order": "98", "role": "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "shortName": "Shareholder Fees - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "subGroupType": "", "uniqueAnchor": null }, "R99": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294C000234201", "decimals": "6", "first": true, "lang": null, "name": "rr:ManagementFeesOverAssets", "reportCount": 1, "unitRef": "pure", "xsiNil": "false" }, "groupType": "", "isDefault": "false", "longName": "000129 - Schedule - Annual Operating Expenses - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "menuCat": "", "order": "99", "role": "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "shortName": "Annual Operating Expenses - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "subGroupType": "", "uniqueAnchor": null }, "S1": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000062805GSV-S-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "true", "longName": "000000223 - Disclosure - FidelitySeriesInternationalFunds-ComboPRO, Fidelity Series Emerging Markets Fund", "section": 0, "shortName": "FidelitySeriesInternationalFunds-ComboPRO, Fidelity Series Emerging Markets Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000062805GSV-S-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S10": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314AGCS-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000019867 - Disclosure - FidelityGlobalCommodityStockFund-AMCIZPRO, Fidelity Global Commodity Stock Fund", "section": 9, "shortName": "FidelityGlobalCommodityStockFund-AMCIZPRO, Fidelity Global Commodity Stock Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314AGCS-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S11": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294SIC-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000027869 - Disclosure - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO, Fidelity Sustainable Emerging Markets Equity Fund", "section": 10, "shortName": "FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO, Fidelity Sustainable Emerging Markets Equity Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294SIC-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S12": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295SIC-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000028233 - Disclosure - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO, Fidelity Sustainable International Equity Fund", "section": 11, "shortName": "FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO, Fidelity Sustainable International Equity Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295SIC-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S13": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065700SOV-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000030407 - Disclosure - FidelitySeriesOverseasFund-PRO, Fidelity Series Overseas Fund", "section": 12, "shortName": "FidelitySeriesOverseasFund-PRO, Fidelity Series Overseas Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065700SOV-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S14": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075895IEE-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000032283 - Disclosure - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO, Fidelity SAI Sustainable Emerging Markets Equity Fund", "section": 13, "shortName": "FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO, Fidelity SAI Sustainable Emerging Markets Equity Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075895IEE-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S15": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075896IEE-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000032595 - Disclosure - FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO, Fidelity SAI Sustainable International Equity Fund", "section": 14, "shortName": "FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO, Fidelity SAI Sustainable International Equity Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075896IEE-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S16": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066806IDF-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000034368 - Disclosure - FidelityEnduringOpportunitiesFund-PRO, Fidelity Enduring Opportunities Fund", "section": 15, "shortName": "FidelityEnduringOpportunitiesFund-PRO, Fidelity Enduring Opportunities Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066806IDF-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S17": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066805ISF-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000036688 - Disclosure - FidelityInfrastructureFund-PRO, Fidelity Infrastructure Fund", "section": 16, "shortName": "FidelityInfrastructureFund-PRO, Fidelity Infrastructure Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000066805ISF-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S18": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314GCS-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000038890 - Disclosure - FidelityGlobalCommodityStockFund-RetailPRO, Fidelity Global Commodity Stock Fund", "section": 17, "shortName": "FidelityGlobalCommodityStockFund-RetailPRO, Fidelity Global Commodity Stock Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000024314GCS-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S2": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000023605GSV-S-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000000764 - Disclosure - FidelitySeriesInternationalFunds-ComboPRO, Fidelity Series Emerging Markets Opportunities Fund", "section": 1, "shortName": "FidelitySeriesInternationalFunds-ComboPRO, Fidelity Series Emerging Markets Opportunities Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000023605GSV-S-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S3": { "firstAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026866GSV-S-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000001375 - Disclosure - FidelitySeriesInternationalFunds-ComboPRO, Fidelity Series International Growth Fund", "section": 2, "shortName": "FidelitySeriesInternationalFunds-ComboPRO, Fidelity Series International Growth Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026866GSV-S-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S4": { "firstAnchor": { "ancestors": [ "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026868GSV-S-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000001938 - Disclosure - FidelitySeriesInternationalFunds-ComboPRO, Fidelity Series International Small Cap Fund", "section": 3, "shortName": "FidelitySeriesInternationalFunds-ComboPRO, Fidelity Series International Small Cap Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026868GSV-S-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S5": { "firstAnchor": { "ancestors": [ "div", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026867GSV-S-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000002510 - Disclosure - FidelitySeriesInternationalFunds-ComboPRO, Fidelity Series International Value Fund", "section": 4, "shortName": "FidelitySeriesInternationalFunds-ComboPRO, Fidelity Series International Value Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "div", "div", "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000026867GSV-S-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S6": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065216ISM-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000008676 - Disclosure - FidelitySAIInternationalSMACompletionFund-PRO, Fidelity SAI International SMA Completion Fund", "section": 5, "shortName": "FidelitySAIInternationalSMACompletionFund-PRO, Fidelity SAI International SMA Completion Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000065216ISM-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S7": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294ASIC-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000010596 - Disclosure - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO, Fidelity Sustainable Emerging Markets Equity Fund", "section": 6, "shortName": "FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO, Fidelity Sustainable Emerging Markets Equity Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075294ASIC-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S8": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295ASIC-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000011417 - Disclosure - FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO, Fidelity Sustainable International Equity Fund", "section": 7, "shortName": "FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO, Fidelity Sustainable International Equity Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000075295ASIC-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } }, "S9": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000058342SAD-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "RR_Summaries", "isDefault": "false", "longName": "000017827 - Disclosure - FidelitySeriesCanadaFund-PRO, Fidelity Series Canada Fund", "section": 8, "shortName": "FidelitySeriesCanadaFund-PRO, Fidelity Series Canada Fund", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "filing5727.htm", "contextRef": "S000058342SAD-PRO", "decimals": null, "lang": "en-US", "name": "rr:RiskReturnHeading", "reportCount": 1, "unitRef": null, "xsiNil": "false" } } }, "segmentCount": 69, "tag": { "dei_AmendmentDescription": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Description of changes contained within amended document.", "label": "Amendment Description" } } }, "localname": "AmendmentDescription", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.fidelity.com/role/DocumentInformation" ], "xbrltype": "stringItemType" }, "dei_AmendmentFlag": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.", "label": "Amendment Flag" } } }, "localname": "AmendmentFlag", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.fidelity.com/role/DocumentInformation" ], "xbrltype": "booleanItemType" }, "dei_DocumentCreationDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The date the document was made available and submitted, in YYYY-MM-DD format. The date of submission, date of acceptance by the recipient, and the document effective date are all potentially different.", "label": "Document Creation Date" } } }, "localname": "DocumentCreationDate", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.fidelity.com/role/DocumentInformation", "http://xbrl.sec.gov/rr/role/RiskReturnDetailData" ], "xbrltype": "dateItemType" }, "dei_DocumentDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Type of the document as assigned by the filer, corresponding to SEC document naming convention standards.", "label": "Prospectus" } } }, "localname": "DocumentDomain", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "dei_DocumentEffectiveDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The date when a document, upon receipt and acceptance, becomes officially effective, in YYYY-MM-DD format. Usually it is a system-assigned date time value, but it may be declared by the submitter in some cases.", "label": "Document Effective Date" } } }, "localname": "DocumentEffectiveDate", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.fidelity.com/role/DocumentInformation" ], "xbrltype": "dateItemType" }, "dei_DocumentInformationDocumentAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table.", "label": "Document [Axis]" } } }, "localname": "DocumentInformationDocumentAxis", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "dei_DocumentPeriodEndDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.", "label": "Document Period End Date" } } }, "localname": "DocumentPeriodEndDate", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.fidelity.com/role/DocumentInformation" ], "xbrltype": "dateItemType" }, "dei_DocumentType": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.", "label": "Document Type" } } }, "localname": "DocumentType", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.fidelity.com/role/DocumentInformation" ], "xbrltype": "submissionTypeItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r0" ], "lang": { "en-us": { "role": { "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.", "label": "Central Index Key" } } }, "localname": "EntityCentralIndexKey", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.fidelity.com/role/DocumentInformation" ], "xbrltype": "centralIndexKeyItemType" }, "dei_EntityDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.", "label": "Series" } } }, "localname": "EntityDomain", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "dei_EntityInvCompanyType": { "auth_ref": [ "r78" ], "lang": { "en-us": { "role": { "documentation": "One of: N-1A (Mutual Fund), N-1 (Open-End Separate Account with No Variable Annuities), N-2 (Closed-End Investment Company), N-3 (Separate Account Registered as Open-End Management Investment Company), N-4 (Variable Annuity UIT Separate Account), N-5 (Small Business Investment Company), N-6 (Variable Life UIT Separate Account), S-1 or S-3 (Face Amount Certificate Company), S-6 (UIT, Non-Insurance Product).", "label": "Investment Company Type" } } }, "localname": "EntityInvCompanyType", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.fidelity.com/role/DocumentInformation" ], "xbrltype": "invCompanyType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r0" ], "lang": { "en-us": { "role": { "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.", "label": "Registrant Name" } } }, "localname": "EntityRegistrantName", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DocumentInformation", "http://xbrl.sec.gov/rr/role/RiskReturnDetailData" ], "xbrltype": "normalizedStringItemType" }, "dei_LegalEntityAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The set of legal entities associated with a report.", "label": "Series [Axis]" } } }, "localname": "LegalEntityAxis", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "dei_TradingSymbol": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Trading symbol of an instrument as listed on an exchange.", "label": "Trading Symbol" } } }, "localname": "TradingSymbol", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.fidelity.com/role/DocumentInformation" ], "xbrltype": "tradingSymbolItemType" }, "fmr_AverageAnnualReturnYear15": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "15 Years", "verboseLabel": "Past 15 years" } } }, "localname": "AverageAnnualReturnYear15", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "fmr_C000069437Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Series Emerging Markets Opportunities Fund Fidelity Series Emerging Markets Opportunities Fund", "terseLabel": "Fidelity Series Emerging Markets Opportunities Fund", "verboseLabel": "Fidelity Series Emerging Markets Opportunities Fund" } } }, "localname": "C000069437Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000071913Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Global Commodity Stock Fund Fidelity Global Commodity Stock Fund", "terseLabel": "Fidelity Global Commodity Stock Fund", "verboseLabel": "Fidelity Global Commodity Stock Fund" } } }, "localname": "C000071913Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO" ], "xbrltype": "domainItemType" }, "fmr_C000071914Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Global Commodity Stock Fund Fidelity Advisor Global Commodity Stock Fund - Class A", "terseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class A", "verboseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class A" } } }, "localname": "C000071914Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO" ], "xbrltype": "domainItemType" }, "fmr_C000071916Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Global Commodity Stock Fund Fidelity Advisor Global Commodity Stock Fund - Class C", "terseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class C", "verboseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class C" } } }, "localname": "C000071916Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO" ], "xbrltype": "domainItemType" }, "fmr_C000071917Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Global Commodity Stock Fund Fidelity Advisor Global Commodity Stock Fund - Class M", "terseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class M", "verboseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class M" } } }, "localname": "C000071917Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO" ], "xbrltype": "domainItemType" }, "fmr_C000071918Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Global Commodity Stock Fund Fidelity Advisor Global Commodity Stock Fund - Class I", "terseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class I", "verboseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class I" } } }, "localname": "C000071918Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO" ], "xbrltype": "domainItemType" }, "fmr_C000080862Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Series International Growth Fund Fidelity Series International Growth Fund", "terseLabel": "Fidelity Series International Growth Fund", "verboseLabel": "Fidelity Series International Growth Fund" } } }, "localname": "C000080862Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000080864Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Series International Value Fund Fidelity Series International Value Fund", "terseLabel": "Fidelity Series International Value Fund", "verboseLabel": "Fidelity Series International Value Fund" } } }, "localname": "C000080864Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000080866Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Series International Small Cap Fund Fidelity Series International Small Cap Fund", "terseLabel": "Fidelity Series International Small Cap Fund", "verboseLabel": "Fidelity Series International Small Cap Fund" } } }, "localname": "C000080866Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000191329Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Series Canada Fund Fidelity Series Canada Fund", "terseLabel": "Fidelity Series Canada Fund", "verboseLabel": "Fidelity Series Canada Fund" } } }, "localname": "C000191329Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_C000203452Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Series Emerging Markets Fund Fidelity Series Emerging Markets Fund", "terseLabel": "Fidelity Series Emerging Markets Fund", "verboseLabel": "Fidelity Series Emerging Markets Fund" } } }, "localname": "C000203452Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000205035Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Global Commodity Stock Fund Fidelity Advisor Global Commodity Stock Fund - Class Z", "terseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class Z", "verboseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class Z" } } }, "localname": "C000205035Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO" ], "xbrltype": "domainItemType" }, "fmr_C000211072Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity SAI International SMA Completion Fund Fidelity SAI International SMA Completion Fund", "terseLabel": "Fidelity SAI International SMA Completion Fund", "verboseLabel": "Fidelity SAI International SMA Completion Fund" } } }, "localname": "C000211072Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_C000212505Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Series Overseas Fund Fidelity Series Overseas Fund", "terseLabel": "Fidelity Series Overseas Fund", "verboseLabel": "Fidelity Series Overseas Fund" } } }, "localname": "C000212505Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_C000215141Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Infrastructure Fund Fidelity Infrastructure Fund", "terseLabel": "Fidelity Infrastructure Fund", "verboseLabel": "Fidelity Infrastructure Fund" } } }, "localname": "C000215141Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_C000215142Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Enduring Opportunities Fund Fidelity Enduring Opportunities Fund", "terseLabel": "Fidelity Enduring Opportunities Fund", "verboseLabel": "Fidelity Enduring Opportunities Fund" } } }, "localname": "C000215142Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_C000234201Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Sustainable Emerging Markets Equity Fund Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class M", "terseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class M", "verboseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class M" } } }, "localname": "C000234201Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000234202Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Sustainable Emerging Markets Equity Fund Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class C", "terseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class C", "verboseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class C" } } }, "localname": "C000234202Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000234203Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Sustainable Emerging Markets Equity Fund Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class I", "terseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class I", "verboseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class I" } } }, "localname": "C000234203Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000234204Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Sustainable Emerging Markets Equity Fund Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class Z", "terseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class Z", "verboseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class Z" } } }, "localname": "C000234204Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000234205Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Sustainable Emerging Markets Equity Fund Fidelity Sustainable Emerging Markets Equity Fund", "terseLabel": "Fidelity Sustainable Emerging Markets Equity Fund", "verboseLabel": "Fidelity Sustainable Emerging Markets Equity Fund" } } }, "localname": "C000234205Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000234206Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Sustainable Emerging Markets Equity Fund Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class A", "terseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class A", "verboseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class A" } } }, "localname": "C000234206Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000234207Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Sustainable International Equity Fund Fidelity Advisor Sustainable International Equity Fund - Class M", "terseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class M", "verboseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class M" } } }, "localname": "C000234207Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000234208Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Sustainable International Equity Fund Fidelity Advisor Sustainable International Equity Fund - Class C", "terseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class C", "verboseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class C" } } }, "localname": "C000234208Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000234209Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Sustainable International Equity Fund Fidelity Advisor Sustainable International Equity Fund - Class I", "terseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class I", "verboseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class I" } } }, "localname": "C000234209Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000234210Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Sustainable International Equity Fund Fidelity Advisor Sustainable International Equity Fund - Class Z", "terseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class Z", "verboseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class Z" } } }, "localname": "C000234210Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000234211Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Sustainable International Equity Fund Fidelity Sustainable International Equity Fund", "terseLabel": "Fidelity Sustainable International Equity Fund", "verboseLabel": "Fidelity Sustainable International Equity Fund" } } }, "localname": "C000234211Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000234212Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Sustainable International Equity Fund Fidelity Advisor Sustainable International Equity Fund - Class A", "terseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class A", "verboseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class A" } } }, "localname": "C000234212Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000235236Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity SAI Sustainable Emerging Markets Equity Fund Fidelity SAI Sustainable Emerging Markets Equity Fund", "terseLabel": "Fidelity SAI Sustainable Emerging Markets Equity Fund", "verboseLabel": "Fidelity SAI Sustainable Emerging Markets Equity Fund" } } }, "localname": "C000235236Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_C000235237Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity SAI Sustainable International Equity Fund Fidelity SAI Sustainable International Equity Fund", "terseLabel": "Fidelity SAI Sustainable International Equity Fund", "verboseLabel": "Fidelity SAI Sustainable International Equity Fund" } } }, "localname": "C000235237Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_FidelityEnduringOpportunitiesFund-PROMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "FidelityEnduringOpportunitiesFund-PRO", "verboseLabel": "FidelityEnduringOpportunitiesFund-PRO" } } }, "localname": "FidelityEnduringOpportunitiesFund-PROMember", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_FidelityGlobalCommodityStockFund-AMCIZPROMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "FidelityGlobalCommodityStockFund-AMCIZPRO", "verboseLabel": "FidelityGlobalCommodityStockFund-AMCIZPRO" } } }, "localname": "FidelityGlobalCommodityStockFund-AMCIZPROMember", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO" ], "xbrltype": "domainItemType" }, "fmr_FidelityGlobalCommodityStockFund-RetailPROMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "FidelityGlobalCommodityStockFund-RetailPRO", "verboseLabel": "FidelityGlobalCommodityStockFund-RetailPRO" } } }, "localname": "FidelityGlobalCommodityStockFund-RetailPROMember", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO" ], "xbrltype": "domainItemType" }, "fmr_FidelityInfrastructureFund-PROMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "FidelityInfrastructureFund-PRO", "verboseLabel": "FidelityInfrastructureFund-PRO" } } }, "localname": "FidelityInfrastructureFund-PROMember", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_FidelitySAIInternationalSMACompletionFund-PROMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "FidelitySAIInternationalSMACompletionFund-PRO", "verboseLabel": "FidelitySAIInternationalSMACompletionFund-PRO" } } }, "localname": "FidelitySAIInternationalSMACompletionFund-PROMember", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPROMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "verboseLabel": "FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" } } }, "localname": "FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPROMember", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_FidelitySeriesCanadaFund-PROMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "FidelitySeriesCanadaFund-PRO", "verboseLabel": "FidelitySeriesCanadaFund-PRO" } } }, "localname": "FidelitySeriesCanadaFund-PROMember", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_FidelitySeriesInternationalFunds-ComboPROMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "FidelitySeriesInternationalFunds-ComboPRO", "verboseLabel": "FidelitySeriesInternationalFunds-ComboPRO" } } }, "localname": "FidelitySeriesInternationalFunds-ComboPROMember", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_FidelitySeriesOverseasFund-PROMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "FidelitySeriesOverseasFund-PRO", "verboseLabel": "FidelitySeriesOverseasFund-PRO" } } }, "localname": "FidelitySeriesOverseasFund-PROMember", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPROMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "verboseLabel": "FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO" } } }, "localname": "FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPROMember", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO" ], "xbrltype": "domainItemType" }, "fmr_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPROMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "verboseLabel": "FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO" } } }, "localname": "FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPROMember", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO" ], "xbrltype": "domainItemType" }, "fmr_IndexIXWRTMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "IXWRT", "terseLabel": "IXWRT", "verboseLabel": "IXWRT" } } }, "localname": "IndexIXWRTMember", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_IndexIXWRUMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "IXWRU", "terseLabel": "IXWRU", "verboseLabel": "IXWRU" } } }, "localname": "IndexIXWRUMember", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_IndexIXYE0Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "IXYE0", "terseLabel": "IXYE0", "verboseLabel": "IXYE0" } } }, "localname": "IndexIXYE0Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_IndexMC041Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "MC041", "terseLabel": "MC041", "verboseLabel": "MC041" } } }, "localname": "IndexMC041Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_IndexMS001Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "MS001", "terseLabel": "MS001", "verboseLabel": "MS001" } } }, "localname": "IndexMS001Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_IndexMS141Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "MS141", "terseLabel": "MS141", "verboseLabel": "MS141" } } }, "localname": "IndexMS141Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_IndexMS158Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "MS158", "terseLabel": "MS158", "verboseLabel": "MS158" } } }, "localname": "IndexMS158Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_IndexMS159Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "MS159", "terseLabel": "MS159", "verboseLabel": "MS159" } } }, "localname": "IndexMS159Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_IndexMS270Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "MS270", "terseLabel": "MS270", "verboseLabel": "MS270" } } }, "localname": "IndexMS270Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_IndexMS400Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "MS400", "terseLabel": "MS400", "verboseLabel": "MS400" } } }, "localname": "IndexMS400Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_IndexMS404Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "MS404", "terseLabel": "MS404", "verboseLabel": "MS404" } } }, "localname": "IndexMS404Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO" ], "xbrltype": "domainItemType" }, "fmr_IndexSP212Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "SP212", "terseLabel": "SP212", "verboseLabel": "SP212" } } }, "localname": "IndexSP212Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_ReturnBeforeTaxesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Return Before Taxes" } } }, "localname": "ReturnBeforeTaxesMember", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_S000023605Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Series Emerging Markets Opportunities Fund", "terseLabel": "Fidelity Series Emerging Markets Opportunities Fund", "verboseLabel": "Fidelity Series Emerging Markets Opportunities Fund" } } }, "localname": "S000023605Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_S000024314Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Global Commodity Stock Fund", "terseLabel": "Fidelity Global Commodity Stock Fund", "verboseLabel": "Fidelity Global Commodity Stock Fund" } } }, "localname": "S000024314Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO" ], "xbrltype": "domainItemType" }, "fmr_S000026866Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Series International Growth Fund", "terseLabel": "Fidelity Series International Growth Fund", "verboseLabel": "Fidelity Series International Growth Fund" } } }, "localname": "S000026866Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_S000026867Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Series International Value Fund", "terseLabel": "Fidelity Series International Value Fund", "verboseLabel": "Fidelity Series International Value Fund" } } }, "localname": "S000026867Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_S000026868Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Series International Small Cap Fund", "terseLabel": "Fidelity Series International Small Cap Fund", "verboseLabel": "Fidelity Series International Small Cap Fund" } } }, "localname": "S000026868Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_S000058342Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Series Canada Fund", "terseLabel": "Fidelity Series Canada Fund", "verboseLabel": "Fidelity Series Canada Fund" } } }, "localname": "S000058342Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_S000062805Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Series Emerging Markets Fund", "terseLabel": "Fidelity Series Emerging Markets Fund", "verboseLabel": "Fidelity Series Emerging Markets Fund" } } }, "localname": "S000062805Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_S000065216Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity SAI International SMA Completion Fund", "terseLabel": "Fidelity SAI International SMA Completion Fund", "verboseLabel": "Fidelity SAI International SMA Completion Fund" } } }, "localname": "S000065216Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_S000065700Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Series Overseas Fund", "terseLabel": "Fidelity Series Overseas Fund", "verboseLabel": "Fidelity Series Overseas Fund" } } }, "localname": "S000065700Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_S000066805Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Infrastructure Fund", "terseLabel": "Fidelity Infrastructure Fund", "verboseLabel": "Fidelity Infrastructure Fund" } } }, "localname": "S000066805Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_S000066806Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Enduring Opportunities Fund", "terseLabel": "Fidelity Enduring Opportunities Fund", "verboseLabel": "Fidelity Enduring Opportunities Fund" } } }, "localname": "S000066806Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO" ], "xbrltype": "domainItemType" }, "fmr_S000075294Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Sustainable Emerging Markets Equity Fund", "terseLabel": "Fidelity Sustainable Emerging Markets Equity Fund", "verboseLabel": "Fidelity Sustainable Emerging Markets Equity Fund" } } }, "localname": "S000075294Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO" ], "xbrltype": "domainItemType" }, "fmr_S000075295Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity Sustainable International Equity Fund", "terseLabel": "Fidelity Sustainable International Equity Fund", "verboseLabel": "Fidelity Sustainable International Equity Fund" } } }, "localname": "S000075295Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO" ], "xbrltype": "domainItemType" }, "fmr_S000075895Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity SAI Sustainable Emerging Markets Equity Fund", "terseLabel": "Fidelity SAI Sustainable Emerging Markets Equity Fund", "verboseLabel": "Fidelity SAI Sustainable Emerging Markets Equity Fund" } } }, "localname": "S000075895Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "fmr_S000075896Member": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fidelity SAI Sustainable International Equity Fund", "terseLabel": "Fidelity SAI Sustainable International Equity Fund", "verboseLabel": "Fidelity SAI Sustainable International Equity Fund" } } }, "localname": "S000075896Member", "nsuri": "http://www.fidelity.com/20221230", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "rr_AcquiredFundFeesAndExpensesBasedOnEstimates": { "auth_ref": [ "r29" ], "lang": { "en-us": { "role": { "documentation": "This element represents a statement that \"Acquired Fund\" (as defined) fees and expenses for the current year are based on estimates.", "label": "Acquired Fund Fees and Expenses, Based on Estimates [Text]" } } }, "localname": "AcquiredFundFeesAndExpensesBasedOnEstimates", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_AcquiredFundFeesAndExpensesOverAssets": { "auth_ref": [ "r38" ], "calculation": { "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO": { "order": 5.0, "parentTag": "rr_ExpensesOverAssets", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Total Annual Fund Operating Expenses.", "label": "Acquired fund fees and expenses", "verboseLabel": "Acquired fund fees and expenses" } } }, "localname": "AcquiredFundFeesAndExpensesOverAssets", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_AfterTaxesOnDistributionsAndSalesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Calculate the taxes due on any distributions by the Fund by applying the tax rates specified in Instruction 4 to each component of the distributions on the reinvestment date (e.g., ordinary income, short-term capital gain, long-term capital gain). The taxable amount and tax character of each distribution should be as specified by the Fund on the dividend declaration date, but may be adjusted to reflect subsequent recharacterizations of distributions. Distributions should be adjusted to reflect the federal tax impact the distribution would have on an individual taxpayer on the reinvestment date. For example, assume no taxes are due on the portion of any distribution that would not result in federal income tax on an individual, e.g., tax-exempt interest or non-taxable returns of capital. The effect of applicable tax credits, such as the foreign tax credit, should be taken into account in accordance with federal tax law.", "label": "After Taxes on Distributions and Sales" } } }, "localname": "AfterTaxesOnDistributionsAndSalesMember", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "rr_AfterTaxesOnDistributionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Calculate the taxes due on any distributions by the Fund by applying the tax rates specified in Instruction 4 to each component of the distributions on the reinvestment date (e.g., ordinary income, short-term capital gain, long-term capital gain). The taxable amount and tax character of each distribution should be as specified by the Fund on the dividend declaration date, but may be adjusted to reflect subsequent recharacterizations of distributions. Distributions should be adjusted to reflect the federal tax impact the distribution would have on an individual taxpayer on the reinvestment date. For example, assume no taxes are due on the portion of any distribution that would not result in federal income tax on an individual, e.g., tax-exempt interest or non-taxable returns of capital. The effect of applicable tax credits, such as the foreign tax credit, should be taken into account in accordance with federal tax law.", "label": "After Taxes on Distributions" } } }, "localname": "AfterTaxesOnDistributionsMember", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "rr_AnnualFundOperatingExpensesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Contains a command for the SEC Viewer for the role corresponding to OperatingExpensesData.", "label": "Annual Fund Operating Expenses [Table]" } } }, "localname": "AnnualFundOperatingExpensesTableTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_AnnualReturn1990": { "auth_ref": [ "r68" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 1990" } } }, "localname": "AnnualReturn1990", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn1991": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 1991" } } }, "localname": "AnnualReturn1991", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn1992": { "auth_ref": [ "r68" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 1992" } } }, "localname": "AnnualReturn1992", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn1993": { "auth_ref": [ "r68" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 1993" } } }, "localname": "AnnualReturn1993", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn1994": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 1994" } } }, "localname": "AnnualReturn1994", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn1995": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 1995" } } }, "localname": "AnnualReturn1995", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn1996": { "auth_ref": [ "r68" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 1996" } } }, "localname": "AnnualReturn1996", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn1997": { "auth_ref": [ "r68" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 1997" } } }, "localname": "AnnualReturn1997", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn1998": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 1998" } } }, "localname": "AnnualReturn1998", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn1999": { "auth_ref": [ "r68" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 1999" } } }, "localname": "AnnualReturn1999", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2000": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2000" } } }, "localname": "AnnualReturn2000", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2001": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2001" } } }, "localname": "AnnualReturn2001", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2002": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2002" } } }, "localname": "AnnualReturn2002", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2003": { "auth_ref": [ "r68" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2003", "verboseLabel": "2003" } } }, "localname": "AnnualReturn2003", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2004": { "auth_ref": [ "r68" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2004", "verboseLabel": "2004" } } }, "localname": "AnnualReturn2004", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2005": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2005", "verboseLabel": "2005" } } }, "localname": "AnnualReturn2005", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2006": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2006", "verboseLabel": "2006" } } }, "localname": "AnnualReturn2006", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2007": { "auth_ref": [ "r68" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2007", "verboseLabel": "2007" } } }, "localname": "AnnualReturn2007", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2008": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2008", "verboseLabel": "2008" } } }, "localname": "AnnualReturn2008", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2009": { "auth_ref": [ "r68" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2009", "verboseLabel": "2009" } } }, "localname": "AnnualReturn2009", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2010": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2010", "verboseLabel": "2010" } } }, "localname": "AnnualReturn2010", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2011": { "auth_ref": [ "r68" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2011", "verboseLabel": "2011" } } }, "localname": "AnnualReturn2011", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2012": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2012", "verboseLabel": "2012" } } }, "localname": "AnnualReturn2012", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2013": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2013", "verboseLabel": "2013" } } }, "localname": "AnnualReturn2013", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2014": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2014", "verboseLabel": "2014" } } }, "localname": "AnnualReturn2014", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2015": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2015", "verboseLabel": "2015" } } }, "localname": "AnnualReturn2015", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2016": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2016", "verboseLabel": "2016" } } }, "localname": "AnnualReturn2016", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2017": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2017", "verboseLabel": "2017" } } }, "localname": "AnnualReturn2017", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2018": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2018", "verboseLabel": "2018" } } }, "localname": "AnnualReturn2018", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2019": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2019", "verboseLabel": "2019" } } }, "localname": "AnnualReturn2019", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2020": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2020", "verboseLabel": "2020" } } }, "localname": "AnnualReturn2020", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2021": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2021", "verboseLabel": "2021" } } }, "localname": "AnnualReturn2021", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2022": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2022", "verboseLabel": "2022" } } }, "localname": "AnnualReturn2022", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2023": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2023", "verboseLabel": "2023" } } }, "localname": "AnnualReturn2023", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2024": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2024", "verboseLabel": "2024" } } }, "localname": "AnnualReturn2024", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturn2025": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets).", "label": "Annual Return 2025", "verboseLabel": "2025" } } }, "localname": "AnnualReturn2025", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AnnualReturnCaption": { "auth_ref": [ "r69" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. Provide annual total returns beginning with the earliest calendar year. Calculate annual returns using the Instructions to Item 8(a), except that the calculations should be based on calendar years. If a Fund's shares are sold subject to a sales load or account fees, state that sales loads or account fees are not reflected in the bar chart and that, if these amounts were reflected, returns would be less than those shown. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets). When a Multiple Class Fund offering one or more Classes offers a new Class in a prospectus that does not offer the shares of any other Class, include the bar chart with annual total returns for any other existing Class for the first year that the Class is offered. Explain in a footnote that the returns are for a Class that is not offered in the prospectus that would have substantially similar annual returns because the shares are invested in the same portfolio of securities and the annual returns would differ only to the extent that the Classes do not have the same expenses. Include return information for the other Class reflected in the bar chart in the performance table.", "label": "Annual Return Caption [Text]", "terseLabel": "Caption" } } }, "localname": "AnnualReturnCaption", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_AnnualReturnColumnName": { "auth_ref": [ "r62" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. Provide annual total returns beginning with the earliest calendar year. Calculate annual returns using the Instructions to Item 8(a), except that the calculations should be based on calendar years. If a Fund's shares are sold subject to a sales load or account fees, state that sales loads or account fees are not reflected in the bar chart and that, if these amounts were reflected, returns would be less than those shown. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets). When a Multiple Class Fund offering one or more Classes offers a new Class in a prospectus that does not offer the shares of any other Class, include the bar chart with annual total returns for any other existing Class for the first year that the Class is offered. Explain in a footnote that the returns are for a Class that is not offered in the prospectus that would have substantially similar annual returns because the shares are invested in the same portfolio of securities and the annual returns would differ only to the extent that the Classes do not have the same expenses. Include return information for the other Class reflected in the bar chart in the performance table.", "label": "Annual Return, Column [Text]", "terseLabel": "Column" } } }, "localname": "AnnualReturnColumnName", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_AnnualReturnInceptionDate": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart. Provide annual total returns beginning with the earliest calendar year. Calculate annual returns using the Instructions to Item 8(a), except that the calculations should be based on calendar years. If a Fund's shares are sold subject to a sales load or account fees, state that sales loads or account fees are not reflected in the bar chart and that, if these amounts were reflected, returns would be less than those shown. When a Multiple Class Fund offers more than one Class in the prospectus, provide annual total returns in the bar chart for only one of those Classes. The Fund can select which Class to include (e.g., the oldest Class, the Class with the greatest net assets). When a Multiple Class Fund offering one or more Classes offers a new Class in a prospectus that does not offer the shares of any other Class, include the bar chart with annual total returns for any other existing Class for the first year that the Class is offered. Explain in a footnote that the returns are for a Class that is not offered in the prospectus that would have substantially similar annual returns because the shares are invested in the same portfolio of securities and the annual returns would differ only to the extent that the Classes do not have the same expenses. Include return information for the other Class reflected in the bar chart in the performance table.", "label": "Annual Return, Inception Date", "terseLabel": "Inception Date" } } }, "localname": "AnnualReturnInceptionDate", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "dateItemType" }, "rr_AverageAnnualReturnAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Average Annual Return:" } } }, "localname": "AverageAnnualReturnAbstract", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_AverageAnnualReturnCaption": { "auth_ref": [ "r73" ], "lang": { "en-us": { "role": { "documentation": "This item represents Average Annual Total Returns. If a Multiple Class Fund offers a Class in the prospectus that converts into another Class after a stated period, compute average annual total returns in the table by using the returns of the other Class for the period after conversion.", "label": "Caption" } } }, "localname": "AverageAnnualReturnCaption", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_AverageAnnualReturnColumnName": { "auth_ref": [ "r59" ], "lang": { "en-us": { "role": { "documentation": "This item represents Average Annual Total Returns. If a Multiple Class Fund offers a Class in the prospectus that converts into another Class after a stated period, compute average annual total returns in the table by using the returns of the other Class for the period after conversion.", "label": "Column" } } }, "localname": "AverageAnnualReturnColumnName", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_AverageAnnualReturnInceptionDate": { "auth_ref": [ "r72" ], "lang": { "en-us": { "role": { "documentation": "Return Before Taxes.", "label": "Inception Date" } } }, "localname": "AverageAnnualReturnInceptionDate", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "dateItemType" }, "rr_AverageAnnualReturnLabel": { "auth_ref": [ "r60" ], "lang": { "en-us": { "role": { "documentation": "This item represents Average Annual Total Returns. If a Multiple Class Fund offers a Class in the prospectus that converts into another Class after a stated period, compute average annual total returns in the table by using the returns of the other Class for the period after conversion.", "label": "Label" } } }, "localname": "AverageAnnualReturnLabel", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_AverageAnnualReturnSinceInception": { "auth_ref": [ "r60" ], "lang": { "en-us": { "role": { "documentation": "Return Before Taxes.", "label": "Since Inception" } } }, "localname": "AverageAnnualReturnSinceInception", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AverageAnnualReturnYear01": { "auth_ref": [ "r60" ], "lang": { "en-us": { "role": { "documentation": "Return Before Taxes.", "label": "1 Year", "verboseLabel": "Past 1 year" } } }, "localname": "AverageAnnualReturnYear01", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AverageAnnualReturnYear05": { "auth_ref": [ "r60" ], "lang": { "en-us": { "role": { "documentation": "Return Before Taxes.", "label": "5 Years", "verboseLabel": "Past 5 years" } } }, "localname": "AverageAnnualReturnYear05", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_AverageAnnualReturnYear10": { "auth_ref": [ "r60" ], "lang": { "en-us": { "role": { "documentation": "Return Before Taxes.", "label": "10 Years", "verboseLabel": "Past 10 years" } } }, "localname": "AverageAnnualReturnYear10", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_BarChartAndPerformanceTableHeading": { "auth_ref": [ "r55" ], "lang": { "en-us": { "role": { "documentation": "Risk/Return Bar Chart and Table.", "label": "Bar Chart and Performance Table [Heading]" } } }, "localname": "BarChartAndPerformanceTableHeading", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_BarChartClosingTextBlock": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart.", "label": "Bar Chart Closing [Text Block]" } } }, "localname": "BarChartClosingTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_BarChartDoesNotReflectSalesLoads": { "auth_ref": [ "r56" ], "lang": { "en-us": { "role": { "documentation": "Include the bar chart and table required by Item 4 (b)(2)(ii) and (iii) of this section. Provide a brief explanation of how the information illustrates the variability of the Fund's returns (e.g., by stating that the information provides some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year and by showing how the Fund's average annual returns for 1, 5, and 10 years compare with those of a broad measure of market performance). Provide a statement to the effect that the Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Provide annual total returns beginning with the earliest calendar year. Calculate annual returns using the Instructions to Item 8(a), except that the calculations should be based on calendar years. If a Fund's shares are sold subject to a sales load or account fees, state that sales loads or account fees are not reflected in the bar chart and that, if these amounts were reflected, returns would be less than those shown.", "label": "Bar Chart Does Not Reflect Sales Loads [Text]" } } }, "localname": "BarChartDoesNotReflectSalesLoads", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_BarChartFootnotesTextBlock": { "auth_ref": [ "r67" ], "lang": { "en-us": { "role": { "documentation": "Multiple Class Funds.", "label": "Bar Chart Footnotes [Text Block]" } } }, "localname": "BarChartFootnotesTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_BarChartHeading": { "auth_ref": [ "r55" ], "lang": { "en-us": { "role": { "documentation": "Risk/Return Bar Chart and Table.", "label": "Bar Chart [Heading]" } } }, "localname": "BarChartHeading", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_BarChartHighestQuarterlyReturn": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart.", "label": "Highest Quarterly Return" } } }, "localname": "BarChartHighestQuarterlyReturn", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_BarChartHighestQuarterlyReturnDate": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart.", "label": "Highest Quarterly Return, Date" } } }, "localname": "BarChartHighestQuarterlyReturnDate", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "dateItemType" }, "rr_BarChartLowestQuarterlyReturn": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart.", "label": "Lowest Quarterly Return" } } }, "localname": "BarChartLowestQuarterlyReturn", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_BarChartLowestQuarterlyReturnDate": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart.", "label": "Lowest Quarterly Return, Date" } } }, "localname": "BarChartLowestQuarterlyReturnDate", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "dateItemType" }, "rr_BarChartNarrativeTextBlock": { "auth_ref": [ "r56" ], "lang": { "en-us": { "role": { "documentation": "Provide a brief explanation of how the information illustrates the variability of the Fund's returns (e.g., by stating that the information provides some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year and by showing how the Fund's average annual returns for 1, 5, and 10 years compare with those of a broad measure of market performance). Provide a statement to the effect that the Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.", "label": "Bar Chart Narrative [Text Block]" } } }, "localname": "BarChartNarrativeTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod": { "auth_ref": [ "r71" ], "lang": { "en-us": { "role": { "documentation": "If the Fund provides annual total returns in the bar chart for a Class that is different from the Class selected for the most immediately preceding period, explain in a footnote to the bar chart the reasons for the selection of a different Class.", "label": "Bar Chart, Reason Selected Class Different from Immediately Preceding Period [Text]" } } }, "localname": "BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_BarChartReturnsForClassNotOfferedInProspectus": { "auth_ref": [ "r69" ], "lang": { "en-us": { "role": { "documentation": "When a Multiple Class Fund offering one or more Classes offers a new Class in a prospectus that does not offer the shares of any other Class, include the bar chart with annual total returns for any other existing Class for the first year that the Class is offered. Explain in a footnote that the returns are for a Class that is not offered in the prospectus that would have substantially similar annual returns because the shares are invested in the same portfolio of securities and the annual returns would differ only to the extent that the Classes do not have the same expenses. Include return information for the other Class reflected in the bar chart in the performance table.", "label": "Bar Chart, Returns for Class Not Offered in Prospectus [Text]" } } }, "localname": "BarChartReturnsForClassNotOfferedInProspectus", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_BarChartTableAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Bar Chart Table:" } } }, "localname": "BarChartTableAbstract", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_BarChartTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Contains a command for the SEC Viewer for the role corresponding to BarChartData.", "label": "Bar Chart [Table]" } } }, "localname": "BarChartTableTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_BarChartYearToDateReturn": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart.", "label": "Bar Chart, Year to Date Return" } } }, "localname": "BarChartYearToDateReturn", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_BarChartYearToDateReturnDate": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart.", "label": "Bar Chart, Year to Date Return, Date" } } }, "localname": "BarChartYearToDateReturnDate", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "dateItemType" }, "rr_Component1OtherExpensesOverAssets": { "auth_ref": [ "r25" ], "calculation": { "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO": { "order": 1.0, "parentTag": "rr_OtherExpensesOverAssets", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "The Fund may subdivide this caption into no more than three subcaptions that identify the largest expense or expenses comprising \"Other Expenses,\" but must include a total of all \"Other Expenses.\" Alternatively, the Fund may include the components of \"Other Expenses\" in a parenthetical to the caption." } } }, "localname": "Component1OtherExpensesOverAssets", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_Component2OtherExpensesOverAssets": { "auth_ref": [ "r37" ], "calculation": { "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO": { "order": 2.0, "parentTag": "rr_OtherExpensesOverAssets", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "The Fund may subdivide this caption into no more than three subcaptions that identify the largest expense or expenses comprising \"Other Expenses,\" but must include a total of all \"Other Expenses.\" Alternatively, the Fund may include the components of \"Other Expenses\" in a parenthetical to the caption." } } }, "localname": "Component2OtherExpensesOverAssets", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_Component3OtherExpensesOverAssets": { "auth_ref": [ "r25" ], "calculation": { "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO": { "order": 3.0, "parentTag": "rr_OtherExpensesOverAssets", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "The Fund may subdivide this caption into no more than three subcaptions that identify the largest expense or expenses comprising \"Other Expenses,\" but must include a total of all \"Other Expenses.\" Alternatively, the Fund may include the components of \"Other Expenses\" in a parenthetical to the caption." } } }, "localname": "Component3OtherExpensesOverAssets", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_DistributionAndService12b1FeesOverAssets": { "auth_ref": [ "r44" ], "calculation": { "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO": { "order": 2.0, "parentTag": "rr_ExpensesOverAssets", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Distribution [and/or Service] (12b-1) Fees\" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of \"Other Expenses,\" disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.", "label": "Distribution and/or Service (12b-1) fees", "verboseLabel": "Distribution and/or Service (12b-1) fees" } } }, "localname": "DistributionAndService12b1FeesOverAssets", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_DistributionOrSimilarNon12b1FeesOverAssets": { "auth_ref": [ "r22" ], "calculation": { "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO": { "order": 3.0, "parentTag": "rr_ExpensesOverAssets", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Distribution [and/or Service] (12b-1) Fees\" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of \"Other Expenses,\" disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan." } } }, "localname": "DistributionOrSimilarNon12b1FeesOverAssets", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_ExchangeFee": { "auth_ref": [ "r41" ], "lang": { "en-us": { "role": { "documentation": "Exchange Fee includes the maximum fee charged for any exchange or transfer of interest from the Fund to another fund. The Fund may include in a footnote to the table, if applicable, a tabular presentation of the range of exchange fees or a narrative explanation of the fees." } } }, "localname": "ExchangeFee", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativeMonetaryType" }, "rr_ExchangeFeeOverRedemption": { "auth_ref": [ "r19" ], "lang": { "en-us": { "role": { "documentation": "Exchange Fee includes the maximum fee charged for any exchange or transfer of interest from the Fund to another fund. The Fund may include in a footnote to the table, if applicable, a tabular presentation of the range of exchange fees or a narrative explanation of the fees." } } }, "localname": "ExchangeFeeOverRedemption", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_ExpenseBreakpointDiscounts": { "auth_ref": [ "r12" ], "lang": { "en-us": { "role": { "documentation": "Include the narrative explanations in the order indicated. A Fund may modify the narrative explanations if the explanation contains comparable information to that shown. The narrative explanation regarding sales charge discounts is only required by a Fund that offers such discounts and should specify the minimum level of investment required to qualify for a discount.", "label": "Expense Breakpoint Discounts [Text]" } } }, "localname": "ExpenseBreakpointDiscounts", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ExpenseBreakpointMinimumInvestmentRequiredAmount": { "auth_ref": [ "r12" ], "lang": { "en-us": { "role": { "documentation": "This element represents the minimum level of investment required to qualify for discounted sales charges or fund expenses (SEC Form N-1A 2006-09-14 A.3.instructions.1.b).", "label": "Expense Breakpoint, Minimum Investment Required [Amount]" } } }, "localname": "ExpenseBreakpointMinimumInvestmentRequiredAmount", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "monetaryItemType" }, "rr_ExpenseExampleAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Expense Example:" } } }, "localname": "ExpenseExampleAbstract", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ExpenseExampleByYearCaption": { "auth_ref": [ "r8" ], "lang": { "en-us": { "role": { "documentation": "The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.", "label": "Expense Example by, Year, Caption [Text]" } } }, "localname": "ExpenseExampleByYearCaption", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ExpenseExampleByYearColumnName": { "auth_ref": [ "r8" ], "lang": { "en-us": { "role": { "documentation": "The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.", "label": "Expense Example, By Year, Column [Text]", "terseLabel": "Column" } } }, "localname": "ExpenseExampleByYearColumnName", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ExpenseExampleByYearHeading": { "auth_ref": [ "r8" ], "lang": { "en-us": { "role": { "documentation": "The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.", "label": "Expense Example by Year [Heading]" } } }, "localname": "ExpenseExampleByYearHeading", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ExpenseExampleClosingTextBlock": { "auth_ref": [ "r31" ], "lang": { "en-us": { "role": { "documentation": "The Example does not reflect sales charges (loads) on reinvested dividends [and other distributions]. If these sales charges (loads) were included, your costs would be higher.", "label": "Expense Example Closing [Text Block]" } } }, "localname": "ExpenseExampleClosingTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ExpenseExampleFootnotesTextBlock": { "auth_ref": [ "r10" ], "lang": { "en-us": { "role": { "documentation": "The Example does not reflect sales charges (loads) on reinvested dividends [and other distributions]. If these sales charges (loads) were included, your costs would be higher.", "label": "Expense Example Footnotes [Text Block]" } } }, "localname": "ExpenseExampleFootnotesTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ExpenseExampleHeading": { "auth_ref": [ "r31" ], "lang": { "en-us": { "role": { "documentation": "Heading for Expense Example.", "label": "Expense Example [Heading]" } } }, "localname": "ExpenseExampleHeading", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ExpenseExampleNarrativeTextBlock": { "auth_ref": [ "r7" ], "lang": { "en-us": { "role": { "documentation": "The Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.", "label": "Expense Example Narrative [Text Block]" } } }, "localname": "ExpenseExampleNarrativeTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ExpenseExampleNoRedemptionAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Expense Example, No Redemption:" } } }, "localname": "ExpenseExampleNoRedemptionAbstract", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ExpenseExampleNoRedemptionByYearCaption": { "auth_ref": [ "r9" ], "lang": { "en-us": { "role": { "documentation": "You would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.", "label": "Expense Example, No Redemption, By Year, Caption [Text]" } } }, "localname": "ExpenseExampleNoRedemptionByYearCaption", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ExpenseExampleNoRedemptionByYearColumnName": { "auth_ref": [ "r9" ], "lang": { "en-us": { "role": { "documentation": "You would pay the following expenses if you did not redeem your shares.", "label": "Expense Example, No Redemption, By Year, Column [Text]", "terseLabel": "Column" } } }, "localname": "ExpenseExampleNoRedemptionByYearColumnName", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ExpenseExampleNoRedemptionNarrativeTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Contains a command for the SEC Viewer for the role corresponding to ExpenseExampleNoRedemption.", "label": "Expense Example, No Redemption Narrative [Text Block]" } } }, "localname": "ExpenseExampleNoRedemptionNarrativeTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ExpenseExampleNoRedemptionTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Contains a command for the SEC Viewer for the role corresponding to ExpenseExampleNoRedemption.", "label": "Expense Example, No Redemption [Table]" } } }, "localname": "ExpenseExampleNoRedemptionTableTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ExpenseExampleNoRedemptionYear01": { "auth_ref": [ "r9" ], "lang": { "en-us": { "role": { "documentation": "You would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.", "label": "Expense Example, No Redemption, 1 Year", "terseLabel": "1 Year" } } }, "localname": "ExpenseExampleNoRedemptionYear01", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativeMonetaryType" }, "rr_ExpenseExampleNoRedemptionYear03": { "auth_ref": [ "r9" ], "lang": { "en-us": { "role": { "documentation": "You would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.", "label": "Expense Example, No Redemption, 3 Years", "terseLabel": "3 Years" } } }, "localname": "ExpenseExampleNoRedemptionYear03", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativeMonetaryType" }, "rr_ExpenseExampleNoRedemptionYear05": { "auth_ref": [ "r32" ], "lang": { "en-us": { "role": { "documentation": "You would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.", "label": "Expense Example, No Redemption, 5 Years", "terseLabel": "5 Years" } } }, "localname": "ExpenseExampleNoRedemptionYear05", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativeMonetaryType" }, "rr_ExpenseExampleNoRedemptionYear10": { "auth_ref": [ "r32" ], "lang": { "en-us": { "role": { "documentation": "You would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.", "label": "Expense Example, No Redemption, 10 Years", "terseLabel": "10 Years" } } }, "localname": "ExpenseExampleNoRedemptionYear10", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativeMonetaryType" }, "rr_ExpenseExampleWithRedemptionTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Contains a command for the SEC Viewer for the role corresponding to ExpenseExample.", "label": "Expense Example, With Redemption [Table]" } } }, "localname": "ExpenseExampleWithRedemptionTableTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ExpenseExampleYear01": { "auth_ref": [ "r31" ], "lang": { "en-us": { "role": { "documentation": "The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.", "label": "Expense Example, with Redemption, 1 Year", "terseLabel": "1 year" } } }, "localname": "ExpenseExampleYear01", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativeMonetaryType" }, "rr_ExpenseExampleYear03": { "auth_ref": [ "r8" ], "lang": { "en-us": { "role": { "documentation": "The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.", "label": "Expense Example, with Redemption, 3 Years", "terseLabel": "3 years" } } }, "localname": "ExpenseExampleYear03", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativeMonetaryType" }, "rr_ExpenseExampleYear05": { "auth_ref": [ "r8" ], "lang": { "en-us": { "role": { "documentation": "The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.", "label": "Expense Example, with Redemption, 5 Years", "terseLabel": "5 years" } } }, "localname": "ExpenseExampleYear05", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativeMonetaryType" }, "rr_ExpenseExampleYear10": { "auth_ref": [ "r8" ], "lang": { "en-us": { "role": { "documentation": "The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.", "label": "Expense Example, with Redemption, 10 Years", "terseLabel": "10 years" } } }, "localname": "ExpenseExampleYear10", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativeMonetaryType" }, "rr_ExpenseFootnotesTextBlock": { "auth_ref": [ "r16" ], "lang": { "en-us": { "role": { "documentation": "Shareholder Fees.", "label": "Expense Footnotes [Text Block]" } } }, "localname": "ExpenseFootnotesTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ExpenseHeading": { "auth_ref": [ "r14" ], "lang": { "en-us": { "role": { "documentation": "Risk/Return Summary Fee Table Includes the following information, in plain English under rule 421(d) under the Securities Act, after Item 2 Fees and expenses of the Fund This table describes the fees and expenses that you may pay if you buy and hold shared of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $[_____] in [name of fund family] funds. Shareholder Fees (fees paid directly from your investment) Example This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be You would pay the following expenses if you did not redeem your shares The Example does not reflect sales charges (loads) on reinvested dividends [and other distributions]. If these sales charges (loads) were included, your costs would be higher. Portfolio Turnover The Fund pays transaction costs, such as commissions, when it buys and sells securities (or \"turns over\" its portfolio). A higher portfolio turnover may indicate higher transaction costs. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was __% of the average value of its whole portfolio. Instructions. A.3.instructions.6 New Funds. For purposes of this Item, a \"New Fund\" is a Fund that does not include in Form N-1A financial statements reporting operating results or that includes financial statements for the Fund's initial fiscal year reporting operating results for a period of 6 months or less. The following Instructions apply to New Funds.", "label": "Expense [Heading]" } } }, "localname": "ExpenseHeading", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ExpenseNarrativeTextBlock": { "auth_ref": [ "r12" ], "lang": { "en-us": { "role": { "documentation": "This table describes the fees and expenses that you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $[ ] in [name of fund family] funds. More information about these and other discounts is available from your financial intermediary and in [identify section heading and page number] of the Fund's prospectus and [identify section heading and page number] of the Fund's statement of additional information", "label": "Expense Narrative [Text Block]" } } }, "localname": "ExpenseNarrativeTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ExpensesDeferredChargesTextBlock": { "auth_ref": [ "r17" ], "lang": { "en-us": { "role": { "documentation": "A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter).", "label": "Expenses Deferred Charges [Text Block]" } } }, "localname": "ExpensesDeferredChargesTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ExpensesExplanationOfNonrecurringAccountFee": { "auth_ref": [ "r20" ], "lang": { "en-us": { "role": { "documentation": "The Fund may include an explanation of any non-recurring account fee in a parenthetical to the caption or in a footnote to the table.", "label": "Expenses Explanation of Nonrecurring Account Fee [Text]" } } }, "localname": "ExpensesExplanationOfNonrecurringAccountFee", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees": { "auth_ref": [ "r30" ], "lang": { "en-us": { "role": { "documentation": "The Fund may clarify in a footnote to the fee table that the total annual fund operating expenses under Item 3 do not correlate to the ratio of expenses to average net assets given in response to Item 8, which reflects the operating expenses of the Fund and does not include Acquired Fund fees and expenses.", "label": "Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]" } } }, "localname": "ExpensesNotCorrelatedToRatioDueToAcquiredFundFees", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded": { "auth_ref": [ "r24" ], "lang": { "en-us": { "role": { "documentation": "\"Other Expenses\" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's \"Other Expenses,\" disclose in a footnote to the table what \"Other Expenses\" would have been had the extraordinary expenses been included.", "label": "Expenses Other Expenses Had Extraordinary Expenses Been Included [Text]" } } }, "localname": "ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ExpensesOverAssets": { "auth_ref": [ "r26" ], "calculation": { "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO": { "order": 1.0, "parentTag": "rr_NetExpensesOverAssets", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Total Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of \"Annual Fund Operating Expenses\" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining \"Annual Fund Operating Expenses.\"", "label": "Total annual operating expenses", "totalLabel": "Total annual operating expenses" } } }, "localname": "ExpensesOverAssets", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_ExpensesRangeOfExchangeFeesTextBlock": { "auth_ref": [ "r19" ], "lang": { "en-us": { "role": { "documentation": "The Fund may include in a footnote to the table, if applicable, a tabular presentation of the range of exchange fees or a narrative explanation of the fees.", "label": "Expenses Range of Exchange Fees [Text Block]" } } }, "localname": "ExpensesRangeOfExchangeFeesTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ExpensesRepresentBothMasterAndFeeder": { "auth_ref": [ "r15" ], "lang": { "en-us": { "role": { "documentation": "If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds.", "label": "Expenses Represent Both Master and Feeder [Text]" } } }, "localname": "ExpensesRepresentBothMasterAndFeeder", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ExpensesRestatedToReflectCurrent": { "auth_ref": [ "r27" ], "lang": { "en-us": { "role": { "documentation": "In a footnote to the table, disclose that the expense information in the table has been restated to reflect current fees.", "label": "Expenses Restated to Reflect Current [Text]" } } }, "localname": "ExpensesRestatedToReflectCurrent", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_FeeWaiverOrReimbursementOverAssets": { "auth_ref": [ "r38" ], "calculation": { "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO": { "order": 2.0, "parentTag": "rr_NetExpensesOverAssets", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Total Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the \"Total Annual Fund Operating Expenses\" caption of the table and should use appropriate descriptive captions, such as \"Fee Waiver [and/or Expense Reimbursement]\" and \"Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement],\" respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.", "label": "Fee waiver and/or expense reimbursement", "negatedLabel": "Fee waiver and/or expense reimbursement" } } }, "localname": "FeeWaiverOrReimbursementOverAssets", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonPositivePure4Type" }, "rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination": { "auth_ref": [ "r28" ], "lang": { "en-us": { "role": { "documentation": "This element represents the date of expected termination of any expense reimbursement or fee waiver arrangements that reduce any Fund operating expenses (SEC Form N-1A 2006-09-14 A.3.table.1.11 Total Annual Fund Operating Expenses A.3.instructions.3.e).", "label": "Fee Waiver or Reimbursement over Assets, Date of Termination" } } }, "localname": "FeeWaiverOrReimbursementOverAssetsDateOfTermination", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_HighestQuarterlyReturnLabel": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart.", "label": "Highest Quarterly Return, Label", "terseLabel": "Label" } } }, "localname": "HighestQuarterlyReturnLabel", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_IndexNoDeductionForFeesExpensesTaxes": { "auth_ref": [ "r61" ], "lang": { "en-us": { "role": { "documentation": "The Performance Table includes a parenthetical, indicating that the Index \"(reflects no deduction for fees, expenses or taxes)\". This tag is used when this is reflected in a footnote.", "label": "Index No Deduction for Fees, Expenses, Taxes [Text]" } } }, "localname": "IndexNoDeductionForFeesExpensesTaxes", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_LowestQuarterlyReturnLabel": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart.", "label": "Lowest Quarterly Return, Label", "terseLabel": "Label" } } }, "localname": "LowestQuarterlyReturnLabel", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ManagementFeesOverAssets": { "auth_ref": [ "r21" ], "calculation": { "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO": { "order": 1.0, "parentTag": "rr_ExpensesOverAssets", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Management Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as \"Other Expenses.\"", "label": "Management fee", "verboseLabel": "Management fee" } } }, "localname": "ManagementFeesOverAssets", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_MarketIndexPerformanceTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Contains a command for the SEC Viewer for the role corresponding to MarketIndexPerformanceData.", "label": "Market Index Performance [Table]" } } }, "localname": "MarketIndexPerformanceTableTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_MaximumAccountFee": { "auth_ref": [ "r13" ], "lang": { "en-us": { "role": { "documentation": "Include the caption \"Maximum Account Fees\" only if the Fund charges these fees. A Fund may omit other captions if the Fund does not charge the fees or expenses covered by the captions. Disclose account fees that may be charged to a typical investor in the Fund; fees that apply to only a limited number of shareholders based on their particular circumstances need not be disclosed. Include a caption describing the maximum account fee (e.g., \"Maximum Account Maintenance Fee\" or \"Maximum Cash Management Fee\"). State the maximum annual account fee as either a fixed dollar amount or a percentage of assets. Include in a parenthetical to the caption the basis on which any percentage is calculated. If an account fee is charged only to accounts that do not meet a certain threshold (e.g., accounts under $5)" } } }, "localname": "MaximumAccountFee", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativeMonetaryType" }, "rr_MaximumAccountFeeOverAssets": { "auth_ref": [ "r42" ], "lang": { "en-us": { "role": { "documentation": "Include the caption \"Maximum Account Fees\" only if the Fund charges these fees. A Fund may omit other captions if the Fund does not charge the fees or expenses covered by the captions. Disclose account fees that may be charged to a typical investor in the Fund; fees that apply to only a limited number of shareholders based on their particular circumstances need not be disclosed. Include a caption describing the maximum account fee (e.g., \"Maximum Account Maintenance Fee\" or \"Maximum Cash Management Fee\"). State the maximum annual account fee as either a fixed dollar amount or a percentage of assets. Include in a parenthetical to the caption the basis on which any percentage is calculated. If an account fee is charged only to accounts that do not meet a certain threshold (e.g., accounts under $5)" } } }, "localname": "MaximumAccountFeeOverAssets", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_MaximumCumulativeSalesChargeOverOfferingPrice": { "auth_ref": [ "r36" ], "lang": { "en-us": { "role": { "documentation": "Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price). If a sales charge (load) is imposed on shares purchased with reinvested capital gains distributions or returns of capital, include the bracketed words in the third caption.", "label": "Maximum sales charge (load) on purchases (as a % of offering price)", "verboseLabel": "Maximum sales charge (load) on purchases (as a % of offering price)" } } }, "localname": "MaximumCumulativeSalesChargeOverOfferingPrice", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_MaximumCumulativeSalesChargeOverOther": { "auth_ref": [ "r36" ], "lang": { "en-us": { "role": { "documentation": "Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price). If a sales charge (load) is imposed on shares purchased with reinvested capital gains distributions or returns of capital, include the bracketed words in the third caption." } } }, "localname": "MaximumCumulativeSalesChargeOverOther", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_MaximumDeferredSalesChargeOverOfferingPrice": { "auth_ref": [ "r17" ], "lang": { "en-us": { "role": { "documentation": "Maximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i \"Maximum Deferred Sales Charge (Load)\" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read \"Maximum Sales Charge (Load)\" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below." } } }, "localname": "MaximumDeferredSalesChargeOverOfferingPrice", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_MaximumDeferredSalesChargeOverOther": { "auth_ref": [ "r17" ], "lang": { "en-us": { "role": { "documentation": "Maximum Deferred Sales Charge (Load) (as a percentage of ____) \"Maximum Deferred Sales Charge (Load)\" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read \"Maximum Sales Charge (Load)\" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.", "label": "Maximum contingent deferred sales charge (as a % of the lesser of original purchase price or redemption proceeds)", "verboseLabel": "Maximum contingent deferred sales charge (as a % of the lesser of original purchase price or redemption proceeds)" } } }, "localname": "MaximumDeferredSalesChargeOverOther", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice": { "auth_ref": [ "r36" ], "lang": { "en-us": { "role": { "documentation": "Maximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i \"Maximum Deferred Sales Charge (Load)\" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read \"Maximum Sales Charge (Load)\" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below." } } }, "localname": "MaximumSalesChargeImposedOnPurchasesOverOfferingPrice", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther": { "auth_ref": [ "r39" ], "lang": { "en-us": { "role": { "documentation": "Maximum Sales Charge (Load) Imposed on Reinvested Dividends[and other Distributions] (as a percentage of ____)" } } }, "localname": "MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_MoneyMarketSevenDayTaxEquivalentYield": { "auth_ref": [ "r64" ], "lang": { "en-us": { "role": { "documentation": "Calculate a Money Market Fund's 7-day yield under Item 21(a); the Fund's average annual total return under Item 21(b)(1); and the Fund's average annual total return (after taxes on distributions) and average annual total return (after taxes on distributions and redemption) under Items 21(b)(2) and (3), respectively.", "label": "Money Market Seven Day Tax Equivalent Yield" } } }, "localname": "MoneyMarketSevenDayTaxEquivalentYield", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_MoneyMarketSevenDayYield": { "auth_ref": [ "r64" ], "lang": { "en-us": { "role": { "documentation": "Calculate a Money Market Fund's 7-day yield under Item 21(a); the Fund's average annual total return under Item 21(b)(1); and the Fund's average annual total return (after taxes on distributions) and average annual total return (after taxes on distributions and redemption) under Items 21(b)(2) and (3), respectively.", "label": "Money Market Seven Day Yield" } } }, "localname": "MoneyMarketSevenDayYield", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_MoneyMarketSevenDayYieldCaption": { "auth_ref": [ "r64" ], "lang": { "en-us": { "role": { "documentation": "Calculate a Money Market Fund's 7-day yield under Item 21(a); the Fund's average annual total return under Item 21(b)(1); and the Fund's average annual total return (after taxes on distributions) and average annual total return (after taxes on distributions and redemption) under Items 21(b)(2) and (3), respectively.", "label": "Money Market Seven Day Yield, Caption [Text]" } } }, "localname": "MoneyMarketSevenDayYieldCaption", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_MoneyMarketSevenDayYieldColumnName": { "auth_ref": [ "r64" ], "lang": { "en-us": { "role": { "documentation": "Calculate a Money Market Fund's 7-day yield under Item 21(a); the Fund's average annual total return under Item 21(b)(1); and the Fund's average annual total return (after taxes on distributions) and average annual total return (after taxes on distributions and redemption) under Items 21(b)(2) and (3), respectively.", "label": "Money Market Seven Day Yield Column [Text]" } } }, "localname": "MoneyMarketSevenDayYieldColumnName", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_MoneyMarketSevenDayYieldPhone": { "auth_ref": [ "r66" ], "lang": { "en-us": { "role": { "documentation": "A Fund (other than a Money Market Fund) may include the Fund's yield calculated under Item 21(b)(2). Any Fund may include its tax-equivalent yield calculated under Item 21. If a Fund's yield is included, provide a toll-free (or collect) telephone number that investors can use to obtain current yield information.", "label": "Money Market Seven Day Yield Phone" } } }, "localname": "MoneyMarketSevenDayYieldPhone", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_NetExpensesOverAssets": { "auth_ref": [ "r38" ], "calculation": { "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en-us": { "role": { "documentation": "Total Annual Fund Operating Expenses.", "label": "Total annual operating expenses after fee waiver and/or expense reimbursement", "verboseLabel": "Total annual operating expenses after fee waiver and/or expense reimbursement" } } }, "localname": "NetExpensesOverAssets", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_ObjectiveHeading": { "auth_ref": [ "r6" ], "lang": { "en-us": { "role": { "documentation": "Investment Objectives/Goals. Disclose the Fund's investment objectives or goals. A Fund also may identify its type or category (e.g., that it is a Money Market Fund or a balanced fund).", "label": "Objective [Heading]" } } }, "localname": "ObjectiveHeading", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ObjectivePrimaryTextBlock": { "auth_ref": [ "r6" ], "lang": { "en-us": { "role": { "documentation": "Investment Objectives/Goals. Disclose the Fund's investment objectives or goals. A Fund also may identify its type or category (e.g., that it is a Money Market Fund or a balanced fund).", "label": "Objective, Primary [Text Block]" } } }, "localname": "ObjectivePrimaryTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ObjectiveSecondaryTextBlock": { "auth_ref": [ "r6" ], "lang": { "en-us": { "role": { "documentation": "Investment Objectives/Goals. Disclose the Fund's investment objectives or goals. A Fund also may identify its type or category (e.g., that it is a Money Market Fund or a balanced fund).", "label": "Objective, Secondary [Text Block]" } } }, "localname": "ObjectiveSecondaryTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_OperatingExpensesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Operating Expenses:" } } }, "localname": "OperatingExpensesAbstract", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_OperatingExpensesCaption": { "auth_ref": [ "r43" ], "lang": { "en-us": { "role": { "documentation": "Annual Fund Operating Expenses (ongoing expenses that you pay each year as a percentage of the value of your investment)", "label": "Operating Expenses Caption [Text]" } } }, "localname": "OperatingExpensesCaption", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_OperatingExpensesColumnName": { "auth_ref": [ "r43" ], "lang": { "en-us": { "role": { "documentation": "Annual Fund Operating Expenses (ongoing expenses that you pay each year as a percentage of the value of your investment)", "label": "Operating Expenses Column [Text]" } } }, "localname": "OperatingExpensesColumnName", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_OtherExpensesNewFundBasedOnEstimates": { "auth_ref": [ "r34" ], "lang": { "en-us": { "role": { "documentation": "This element represents the disclosure for new funds that \"Other Expenses\" are based on estimated amounts for the current fiscal year.", "label": "Other Expenses, New Fund, Based on Estimates [Text]" } } }, "localname": "OtherExpensesNewFundBasedOnEstimates", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_OtherExpensesOverAssets": { "auth_ref": [ "r23" ], "calculation": { "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO": { "order": 4.0, "parentTag": "rr_ExpensesOverAssets", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "\"Other Expenses\" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). \"Other Expenses\" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's \"Other Expenses,\" disclose in a footnote to the table what \"Other Expenses\" would have been had the extraordinary expenses been included.", "label": "Other expenses", "verboseLabel": "Other expenses" } } }, "localname": "OtherExpensesOverAssets", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativePure4Type" }, "rr_PerformanceAdditionalMarketIndex": { "auth_ref": [ "r56" ], "lang": { "en-us": { "role": { "documentation": "Include the bar chart and table required by paragraphs (b)(2)(ii) and (iii) of this section. Provide a brief explanation of how the information illustrates the variability of the Fund's returns (e.g., by stating that the information provides some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year and by showing how the Fund's average annual returns for 1, 5, and 10 years compare with those of a broad measure of market performance). Provide a statement to the effect that the Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.", "label": "Performance Additional Market Index [Text]" } } }, "localname": "PerformanceAdditionalMarketIndex", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PerformanceAvailabilityPhone": { "auth_ref": [ "r56" ], "lang": { "en-us": { "role": { "documentation": "If applicable, include a statement explaining that updated performance information is available and providing a Web site address and/or toll-free (or collect) telephone number where the updated information may be obtained.", "label": "Performance Availability Phone [Text]" } } }, "localname": "PerformanceAvailabilityPhone", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PerformanceAvailabilityWebSiteAddress": { "auth_ref": [ "r56" ], "lang": { "en-us": { "role": { "documentation": "If applicable, include a statement explaining that updated performance information is available and providing a Website address and/or toll-free (or collect) telephone number where the updated information may be obtained.", "label": "Performance Availability Website Address [Text]" } } }, "localname": "PerformanceAvailabilityWebSiteAddress", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PerformanceInformationIllustratesVariabilityOfReturns": { "auth_ref": [ "r56" ], "lang": { "en-us": { "role": { "documentation": "Include the bar chart and table required by paragraphs (b)(2)(ii) and (iii) of this section. Provide a brief explanation of how the information illustrates the variability of the Fund's returns (e.g., by stating that the information provides some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year and by showing how the Fund's average annual returns for 1, 5, and 10 years compare with those of a broad measure of market performance). Provide a statement to the effect that the Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.", "label": "Performance Information Illustrates Variability of Returns [Text]" } } }, "localname": "PerformanceInformationIllustratesVariabilityOfReturns", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PerformanceMeasureAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The Performance Measure Axis has members that distinguish different returns according to whether they are Before Taxes (the default), After Taxes on Distributions, After Taxes on Distributions and Sales, or are a pre-tax measure of returns based on a broadly available market index.", "label": "Performance Measure [Axis]" } } }, "localname": "PerformanceMeasureAxis", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PerformanceMeasureDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The default member of the Performance Measure axis. It represents any return that is measured before taxes.", "label": "Before Taxes" } } }, "localname": "PerformanceMeasureDomain", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "rr_PerformanceNarrativeTextBlock": { "auth_ref": [ "r55" ], "lang": { "en-us": { "role": { "documentation": "Risk/Return Bar Chart and Table.", "label": "Performance Narrative [Text Block]" } } }, "localname": "PerformanceNarrativeTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_PerformanceOneYearOrLess": { "auth_ref": [ "r56", "r63" ], "lang": { "en-us": { "role": { "documentation": "For a Fund that provides annual total returns for only one calendar year or for a Fund that does not include the bar chart because it does not have annual returns for a full calendar year, modify, as appropriate, the narrative explanation required by stating that the information gives some indication of the risks of an investment in the Fund by comparing the Fund's performance with a broad measure of market performance). Provide a brief explanation of how the information illustrates the variability of the Fund's returns (e.g., by stating that the information provides some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year and by showing how the Fund's average annual returns for 1, 5, and 10 years compare with those of a broad measure of market performance). Provide a statement to the effect that the Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.", "label": "Performance One Year or Less [Text]" } } }, "localname": "PerformanceOneYearOrLess", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PerformancePastDoesNotIndicateFuture": { "auth_ref": [ "r56" ], "lang": { "en-us": { "role": { "documentation": "Include the bar chart and table required by paragraphs (b)(2)(ii) and (iii) of this section. Provide a brief explanation of how the information illustrates the variability of the Fund's returns (e.g., by stating that the information provides some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year and by showing how the Fund's average annual returns for 1, 5, and 10 years compare with those of a broad measure of market performance). Provide a statement to the effect that the Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.", "label": "Performance Past Does Not Indicate Future [Text]" } } }, "localname": "PerformancePastDoesNotIndicateFuture", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PerformanceTableClosingTextBlock": { "auth_ref": [ "r58" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a table showing the Fund's (A) average annual total return; (B) average annual total return (after taxes on distributions); and (C) average annual total return (after taxes on distributions and redemption). A Money Market Fund should show only the returns described in clause (A) of the preceding sentence. All returns should be shown for 1-, 5-, and 10- calendar year periods ending on the date of the most recently completed calendar year (or for the life of the Fund, if shorter), but only for periods subsequent to the effective date of the Fund's registration statement. The table also should show the returns of an appropriate broad-based securities market index as defined in Instruction 5 to Item 22(b)(7) for the same periods. A Fund that has been in existence for more than 10 years also may include returns for the life of the Fund. A Money Market Fund may provide the Fund's 7-day yield ending on the date of the most recent calendar year or disclose a toll-free (or collect) telephone number that investors can use to obtain the Fund's current 7-day yield. For a Fund (other than a Money Market Fund or a Fund described in General Instruction C.3.(d)(iii)), provide the information in the following table with the specified captions AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, _____)", "label": "Performance Table Closing [Text Block]" } } }, "localname": "PerformanceTableClosingTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_PerformanceTableDoesReflectSalesLoads": { "auth_ref": [ "r58" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a table showing the Fund's (A) average annual total return; (B) average annual total return (after taxes on distributions); and (C) average annual total return (after taxes on distributions and redemption). A Money Market Fund should show only the returns described in clause (A) of the preceding sentence. All returns should be shown for 1-, 5-, and 10- calendar year periods ending on the date of the most recently completed calendar year (or for the life of the Fund, if shorter), but only for periods subsequent to the effective date of the Fund's registration statement. The table also should show the returns of an appropriate broad-based securities market index as defined in Instruction 5 to Item 22(b)(7) for the same periods. A Fund that has been in existence for more than 10 years also may include returns for the life of the Fund. A Money Market Fund may provide the Fund's 7-day yield ending on the date of the most recent calendar year or disclose a toll-free (or collect) telephone number that investors can use to obtain the Fund's current 7-day yield. For a Fund (other than a Money Market Fund or a Fund described in General Instruction C.3.(d)(iii)), provide the information in the following table with the specified captions AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, _____)", "label": "Performance Table Does Reflect Sales Loads" } } }, "localname": "PerformanceTableDoesReflectSalesLoads", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PerformanceTableExplanationAfterTaxHigher": { "auth_ref": [ "r77" ], "lang": { "en-us": { "role": { "documentation": "If average annual total return (after taxes on distributions and redemption) is higher than average annual total return, the reason for this result may be explained.", "label": "Performance Table Explanation after Tax Higher" } } }, "localname": "PerformanceTableExplanationAfterTaxHigher", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod": { "auth_ref": [ "r70" ], "lang": { "en-us": { "role": { "documentation": "This element represents disclosure when presented performance information for a class is different from the class selected for the most immediately preceding period (Form N-1A, Item 2., Instr. 3.(c).(ii).(D)).", "label": "Performance Table Footnotes, Reason Performance Information for Class Different from Immediately Preceding Period [Text]" } } }, "localname": "PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PerformanceTableFootnotesTextBlock": { "auth_ref": [ "r58" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a table showing the Fund's (A) average annual total return; (B) average annual total return (after taxes on distributions); and (C) average annual total return (after taxes on distributions and redemption). A Money Market Fund should show only the returns described in clause (A) of the preceding sentence. All returns should be shown for 1-, 5-, and 10- calendar year periods ending on the date of the most recently completed calendar year (or for the life of the Fund, if shorter), but only for periods subsequent to the effective date of the Fund's registration statement. The table also should show the returns of an appropriate broad-based securities market index as defined in Instruction 5 to Item 22(b)(7) for the same periods. A Fund that has been in existence for more than 10 years also may include returns for the life of the Fund. A Money Market Fund may provide the Fund's 7-day yield ending on the date of the most recent calendar year or disclose a toll-free (or collect) telephone number that investors can use to obtain the Fund's current 7-day yield. For a Fund (other than a Money Market Fund or a Fund described in General Instruction C.3.(d)(iii)), provide the information in the following table with the specified captions AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, _____)", "label": "Performance Table Footnotes" } } }, "localname": "PerformanceTableFootnotesTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_PerformanceTableHeading": { "auth_ref": [ "r70" ], "lang": { "en-us": { "role": { "documentation": "This item represents Average Annual Total Returns. If a Multiple Class Fund offers a Class in the prospectus that converts into another Class after a stated period, compute average annual total returns in the table by using the returns of the other Class for the period after conversion.", "label": "Performance Table Heading" } } }, "localname": "PerformanceTableHeading", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PerformanceTableMarketIndexChanged": { "auth_ref": [ "r65" ], "lang": { "en-us": { "role": { "documentation": "If the Fund selects an index that is different from the index used in a table for the immediately preceding period, explain the reason(s) for the selection of a different index and provide information for both the newly selected and the former index.", "label": "Performance Table Market Index Changed" } } }, "localname": "PerformanceTableMarketIndexChanged", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PerformanceTableNarrativeTextBlock": { "auth_ref": [ "r74" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a table showing the Fund's (A) average annual total return; (B) average annual total return (after taxes on distributions); and (C) average annual total return (after taxes on distributions and redemption). A Money Market Fund should show only the returns described in clause (A) of the preceding sentence. All returns should be shown for 1-, 5-, and 10- calendar year periods ending on the date of the most recently completed calendar year (or for the life of the Fund, if shorter), but only for periods subsequent to the effective date of the Fund's registration statement. The table also should show the returns of an appropriate broad-based securities market index as defined in Instruction 5 to Item 22(b)(7) for the same periods. A Fund that has been in existence for more than 10 years also may include returns for the life of the Fund. A Money Market Fund may provide the Fund's 7-day yield ending on the date of the most recent calendar year or disclose a toll-free (or collect) telephone number that investors can use to obtain the Fund's current 7-day yield. For a Fund (other than a Money Market Fund or a Fund described in General Instruction C.3.(d)(iii)), provide the information in the following table with the specified captions AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, _____). For a Fund that provides annual total returns for only one calendar year or for a Fund that does not include the bar chart because it does not have annual returns for a full calendar year, modify, as appropriate, the narrative explanation required by paragraph (c)(2)(i) (e.g., by stating that the information gives some indication of the risks of an investment in the Fund by comparing the Fund's performance with a broad measure of market performance).", "label": "Performance Table Narrative" } } }, "localname": "PerformanceTableNarrativeTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_PerformanceTableNotRelevantToTaxDeferred": { "auth_ref": [ "r75" ], "lang": { "en-us": { "role": { "documentation": "Provide a brief explanation that the actual after-tax returns depend on an investor's tax situation and may differ from those shown, and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.", "label": "Performance Table Not Relevant to Tax Deferred" } } }, "localname": "PerformanceTableNotRelevantToTaxDeferred", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PerformanceTableOneClassOfAfterTaxShown": { "auth_ref": [ "r58", "r76" ], "lang": { "en-us": { "role": { "documentation": "Provide a brief explanation that if the Fund is a Multiple Class Fund that offers more than one Class in the prospectus, after-tax returns are shown for only one Class and after-tax returns for other Classes will vary.", "label": "Performance Table One Class of after Tax Shown [Text]" } } }, "localname": "PerformanceTableOneClassOfAfterTaxShown", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PerformanceTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Contains a command for the SEC Viewer for the role corresponding to PerformanceTableData.", "label": "Performance [Table]" } } }, "localname": "PerformanceTableTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_PerformanceTableUsesHighestFederalRate": { "auth_ref": [ "r58" ], "lang": { "en-us": { "role": { "documentation": "Provide a brief explanation that after-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.", "label": "Performance Table Uses Highest Federal Rate" } } }, "localname": "PerformanceTableUsesHighestFederalRate", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PortfolioTurnoverHeading": { "auth_ref": [ "r33" ], "lang": { "en-us": { "role": { "documentation": "Disclose the portfolio turnover rate provided in response to Item 14(a) for the most recent fiscal year (or for such shorter period as the Fund has been in operation). Disclose the period for which the information is provided if less than a full fiscal year. A Fund that is a Money Market Fund may omit the portfolio turnover information required by this Item.", "label": "Portfolio Turnover [Heading]" } } }, "localname": "PortfolioTurnoverHeading", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_PortfolioTurnoverRate": { "auth_ref": [ "r11" ], "lang": { "en-us": { "role": { "documentation": "This element represents the rate of portfolio turnover presented as a percentage (SEC Form N-1A 2006-09-14 A.3.example.3 Portfolio Turnover A.3.instructions.5 Portfolio Turnover).", "label": "Portfolio Turnover, Rate" } } }, "localname": "PortfolioTurnoverRate", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_PortfolioTurnoverTextBlock": { "auth_ref": [ "r11" ], "lang": { "en-us": { "role": { "documentation": "Disclose the portfolio turnover rate provided in response to Item 14(a) for the most recent fiscal year (or for such shorter period as the Fund has been in operation). Disclose the period for which the information is provided if less than a full fiscal year. A Fund that is a Money Market Fund may omit the portfolio turnover information required by this Item.", "label": "Portfolio Turnover [Text Block]" } } }, "localname": "PortfolioTurnoverTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ProspectusDate": { "auth_ref": [ "r4" ], "lang": { "en-us": { "role": { "documentation": "The date of the prospectus.", "label": "Prospectus Date" } } }, "localname": "ProspectusDate", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DocumentInformation", "http://xbrl.sec.gov/rr/role/RiskReturnDetailData" ], "xbrltype": "dateItemType" }, "rr_ProspectusShareClassAxis": { "auth_ref": [ "r2" ], "lang": { "en-us": { "role": { "documentation": "Prospectus Share Class Axis.", "label": "Share Class [Axis]" } } }, "localname": "ProspectusShareClassAxis", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ProspectusTable": { "auth_ref": [ "r2" ], "lang": { "en-us": { "role": { "documentation": "Prospectus Table.", "label": "Prospectus:" } } }, "localname": "ProspectusTable", "nsuri": "http://xbrl.sec.gov/rr/2022", "xbrltype": "stringItemType" }, "rr_RedemptionFee": { "auth_ref": [ "r40" ], "lang": { "en-us": { "role": { "documentation": "\"Redemption Fee\" (as a percentage of amount redeemed, if applicable) If the Fund is an Exchange-Traded Fund and issues or redeems shares in creation units of not less than 25,000 shares each, exclude any fees charged for the purchase and redemption of the Fund's creation units. \"Redemption Fee\" includes a fee charged for any redemption of the Fund's shares, but does not include a deferred sales charge (load) imposed upon redemption.", "label": "RedemptionFee", "negatedLabel": "RedemptionFee" } } }, "localname": "RedemptionFee", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonPositiveMonetaryType" }, "rr_RedemptionFeeOverRedemption": { "auth_ref": [ "r18" ], "lang": { "en-us": { "role": { "documentation": "\"Redemption Fee\" (as a percentage of amount redeemed, if applicable) If the Fund is an Exchange-Traded Fund and issues or redeems shares in creation units of not less than 25,000 shares each, exclude any fees charged for the purchase and redemption of the Fund's creation units. \"Redemption Fee\" includes a fee charged for any redemption of the Fund's shares, but does not include a deferred sales charge (load) imposed upon redemption.", "label": "RedemptionFeeOverRedemption", "negatedLabel": "RedemptionFeeOverRedemption" } } }, "localname": "RedemptionFeeOverRedemption", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonPositivePure4Type" }, "rr_Risk": { "auth_ref": [ "r46" ], "lang": { "en-us": { "role": { "documentation": "Narrative Risk Disclosure.", "label": "Risk [Text]" } } }, "localname": "Risk", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_RiskCaption": { "auth_ref": [ "r46" ], "lang": { "en-us": { "role": { "documentation": "Narrative Risk Disclosure.", "label": "Risk Caption" } } }, "localname": "RiskCaption", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_RiskClosingTextBlock": { "auth_ref": [ "r49" ], "lang": { "en-us": { "role": { "documentation": "(ii) (A) If the Fund is a Money Market Fund that is not a government Money Market Fund, as defined in \u00a7270.2a\u2013 7(a)(16) or a retail Money Market Fund, as defined in \u00a7 270.2a\u20137(a)(25), include the following statement: You could lose money by investing in the Fund. Because the share price of the Fund will fluctuate, when you sell your shares they may be worth more or less than what you originally paid for them. The Fund may impose a fee upon sale of your shares or may temporarily suspend your ability to sell shares if the Fund's liquidity falls below required minimums because of market conditions or other factors. An investment in the Fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The Fund's sponsor has no legal obligation to provide financial support to the Fund, and you should not expect that the sponsor will provide financial support to the Fund at any time. (B) If the Fund is a Money Market Fund that is a government Money Market Fund, as defined in \u00a7 270.2a\u20137(a)(16), or a retail Money Market Fund, as defined in \u00a7 270.2a\u20137(a)(25), and that is subject to the requirements of \u00a7\u00a7 270.2a\u20137(c)(2)(i) and/or (ii) of this chapter (or is not subject to the requirements of \u00a7\u00a7 270.2a\u20137(c)(2)(i) and/or (ii) of this chapter pursuant to \u00a7 270.2a\u20137(c)(2)(iii) of this chapter, but has chosen to rely on the ability to impose liquidity fees and suspend redemptions consistent with the requirements of \u00a7\u00a7 270.2a\u20137(c)(2)(i) and/or (ii)), include the following statement: You could lose money by investing in the Fund. Although the Fund seeks to preserve the value of your investment at $1.00 per share, it cannot guarantee it will do so. The Fund may impose a fee upon sale of your shares or may temporarily suspend your ability to sell shares if the Fund's liquidity falls below required minimums because of market conditions or other factors. An investment in the Fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The Fund's sponsor has no legal obligation to provide financial support to the Fund, and you should not expect that the sponsor will provide financial support to the Fund at any time. (C) If the Fund is a Money Market Fund that is a government Money Market Fund, as defined in \u00a7 270.2a\u20137(a)(16), that is not subject to the requirements of \u00a7\u00a7 270.2a\u20137(c)(2)(i) and/or (ii) of this chapter pursuant to \u00a7 270.2a\u20137(c)(2)(iii) of this chapter, and that has not chosen to rely on the ability to impose liquidity fees and suspend redemptions consistent with the requirements of \u00a7\u00a7 270.2a\u20137(c)(2)(i) and/or (ii), include the following statement: You could lose money by investing in the Fund. Although the Fund seeks to preserve the value of your investment at $1.00 per share, it cannot guarantee it will do so. An investment in the Fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The Fund's sponsor has no legal obligation to provide financial support to the Fund, and you should not expect that the sponsor will provide financial support to the Fund at any time. Instruction. If an affiliated person, promoter, or principal underwriter of the Fund, or an affiliated person of such a person, has contractually committed to provide financial support to the Fund, and the term of the agreement will extend for at least one year following the effective date of the Fund's registration statement, the statement specified in Item 4(b)(1)(ii)(A), Item 4(b)(1)(ii)(B), or Item 4(b)(1)(ii)(C) may omit the last sentence (\"The Fund's sponsor has no legal obligation to provide financial support to the Fund, and you should not expect that the sponsor will provide financial support to the Fund at any time.\"). For purposes of this Instruction, the term \"financial support\" includes any capital contribution, purchase of a security from the Fund in reliance on \u00a7 270.17a\u20139, purchase of any defaulted or devalued security at par, execution of letter of credit or letter of indemnity, capital support agreement (whether or not the Fund ultimately received support), performance guarantee, or any other similar action reasonably intended to increase or stabilize the value or liquidity of the fund's portfolio; however, the term \"financial support\" excludes any routine waiver of fees or reimbursement of fund expenses, routine inter-fund lending, routine inter-fund purchases of fund shares, or any action that would qualify as financial support as defined above, that the board of directors has otherwise determined not to be reasonably intended to increase or stabilize the value or liquidity of the fund's portfolio. (iii) If the Fund is advised by or sold through an insured depository institution, state that: An investment in the Fund is not a deposit of the bank and is not insured or guaranteed by the Federal Deposit Insurance corporation or any other government agency. Instruction. A Money Market Fund that is advised by or sold through an insured depository institution should combine the disclosure required by Items 4(b)(1)(ii) and (iii) in a single statement.", "label": "Risk Closing [Text Block]" } } }, "localname": "RiskClosingTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_RiskColumnName": { "auth_ref": [ "r46" ], "lang": { "en-us": { "role": { "documentation": "Narrative Risk Disclosure.", "label": "Risk Column [Text]" } } }, "localname": "RiskColumnName", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_RiskFootnotesTextBlock": { "auth_ref": [ "r46" ], "lang": { "en-us": { "role": { "documentation": "Narrative Risk Disclosure.", "label": "Risk Footnotes [Text Block]" } } }, "localname": "RiskFootnotesTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_RiskHeading": { "auth_ref": [ "r46" ], "lang": { "en-us": { "role": { "documentation": "Narrative Risk Disclosure.", "label": "Risk [Heading]" } } }, "localname": "RiskHeading", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_RiskLoseMoney": { "auth_ref": [ "r47", "r50", "r51", "r52" ], "lang": { "en-us": { "role": { "documentation": "Summarize the principal risks of investing in the Fund, including the risks to which the Fund's portfolio as a whole is subject and the circumstances reasonably likely to affect adversely the Fund's net asset value, yield, and total return. Unless the Fund is a Money Market Fund, disclose that loss of money is a risk of investing in the Fund. If the Fund is a Money Market Fund, include the following statement: \"You could lose money by investing in the Fund.\"", "label": "Risk Lose Money [Text]" } } }, "localname": "RiskLoseMoney", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_RiskMoneyMarketFundMayImposeFeesOrSuspendSales": { "auth_ref": [ "r50", "r51" ], "lang": { "en-us": { "role": { "documentation": "Include the statement \"The Fund may impose a fee upon sale of your shares or may temporarily suspend your ability to sell shares if the Fund's liquidity falls below required minimums because of market conditions or other factors.\"", "label": "Risk Money Market Fund May Impose Fees or Suspend Sales [Text]" } } }, "localname": "RiskMoneyMarketFundMayImposeFeesOrSuspendSales", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_RiskMoneyMarketFundMayNotPreserveDollar": { "auth_ref": [ "r51", "r52" ], "lang": { "en-us": { "role": { "documentation": "Include the statement \"Although the Fund seeks to preserve the value of your investment at $1.00 per share, it cannot guarantee it will do so.\"", "label": "Risk Money Market Fund May Not Preserve Dollar [Text]" } } }, "localname": "RiskMoneyMarketFundMayNotPreserveDollar", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_RiskMoneyMarketFundPriceFluctuates": { "auth_ref": [ "r50" ], "lang": { "en-us": { "role": { "documentation": "Include the statement \"Because the share price of the Fund will fluctuate, when you sell your shares they may be worth more or less than what you originally paid for them.\"", "label": "Risk Money Market Fund Price Fluctuates [Text]" } } }, "localname": "RiskMoneyMarketFundPriceFluctuates", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_RiskMoneyMarketFundSponsorMayNotProvideSupport": { "auth_ref": [ "r50", "r51", "r52" ], "lang": { "en-us": { "role": { "documentation": "Include the statement \"The Fund's sponsor has no legal obligation to provide financial support to the Fund, and you should not expect that the sponsor will provide financial support to the Fund at any time.\"", "label": "Risk Money Market Fund Sponsor May Not Provide Support [Text]" } } }, "localname": "RiskMoneyMarketFundSponsorMayNotProvideSupport", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_RiskNarrativeTextBlock": { "auth_ref": [ "r48" ], "lang": { "en-us": { "role": { "documentation": "Narrative Risk Disclosure. A Fund may, in responding to this Item, describe the types of investors for whom the Fund is intended or the types of investment goals that may be consistent with an investment in the Fund.", "label": "Risk Narrative [Text Block]" } } }, "localname": "RiskNarrativeTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_RiskNondiversifiedStatus": { "auth_ref": [ "r54" ], "lang": { "en-us": { "role": { "documentation": "If applicable, state that the Fund is non-diversified, describe the effect of non-diversification (e.g., disclose that, compared with other funds, the Fund may invest a greater percentage of its assets in a particular issuer), and summarize the risks of investing in a non-diversified fund.", "label": "Risk Nondiversified Status [Text]" } } }, "localname": "RiskNondiversifiedStatus", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_RiskNotInsured": { "auth_ref": [ "r50", "r51", "r52" ], "lang": { "en-us": { "role": { "documentation": "Include the statement \"An investment in the Fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.\"", "label": "Risk Not Insured [Text]" } } }, "localname": "RiskNotInsured", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_RiskNotInsuredDepositoryInstitution": { "auth_ref": [ "r53" ], "lang": { "en-us": { "role": { "documentation": "If the Fund is advised by or sold through an insured depository institution, state that \"An investment in the Fund is not a deposit of the bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.\"", "label": "Risk Not Insured Depository Institution [Text]" } } }, "localname": "RiskNotInsuredDepositoryInstitution", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_RiskReturnAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Risk/Return:" } } }, "localname": "RiskReturnAbstract", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DocumentInformation", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_RiskReturnDetailTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Contains a command for the SEC Viewer for the role corresponding to RiskReturnDetailData", "label": "Risk/Return Detail [Table]" } } }, "localname": "RiskReturnDetailTableTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_RiskReturnHeading": { "auth_ref": [ "r5" ], "lang": { "en-us": { "role": { "documentation": "Risk/Return Summary Investment Objectives/Goals Include the following information, in plain English under rule 421(d) under the Securities Act, in the order and subject matter indicated", "label": "Risk/Return [Heading]" } } }, "localname": "RiskReturnHeading", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ShareClassDomain": { "auth_ref": [ "r3" ], "lang": { "en-us": { "role": { "documentation": "All members of this domain must be elements with name starting with \"C\" and consisting of a 9-digit Fund share class CIK.", "label": "Share Classes" } } }, "localname": "ShareClassDomain", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AnnualTotalReturnsBarChartS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/AverageAnnualTotalReturnsS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleNoRedemptionS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ExpenseExampleS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ExpenseExampleS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ExpenseExampleS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/OperatingExpensesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/OperatingExpensesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/OperatingExpensesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "domainItemType" }, "rr_ShareholderFeeOther": { "auth_ref": [ "r37" ], "lang": { "en-us": { "role": { "documentation": "Other Expenses", "label": "(fees paid directly from your investment)", "verboseLabel": "(fees paid directly from your investment)" } } }, "localname": "ShareholderFeeOther", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "NonNegativeMonetaryType" }, "rr_ShareholderFeesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Shareholder Fees:" } } }, "localname": "ShareholderFeesAbstract", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ShareholderFeesCaption": { "auth_ref": [ "r35" ], "lang": { "en-us": { "role": { "documentation": "Shareholder Fees (fees paid directly from your investment).", "label": "Shareholder Fees Caption [Text]" } } }, "localname": "ShareholderFeesCaption", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ShareholderFeesColumnName": { "auth_ref": [ "r35" ], "lang": { "en-us": { "role": { "documentation": "Shareholder Fees (fees paid directly from your investment).", "label": "Shareholder Fees Column [Text]" } } }, "localname": "ShareholderFeesColumnName", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/ShareholderFeesS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/ShareholderFeesS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/ShareholderFeesS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ShareholderFeesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Contains a command for the SEC Viewer for the role corresponding to ShareholderFeesData.", "label": "Shareholder Fees [Table]" } } }, "localname": "ShareholderFeesTableTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_StrategyHeading": { "auth_ref": [ "r45" ], "lang": { "en-us": { "role": { "documentation": "Principal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.", "label": "Strategy [Heading]" } } }, "localname": "StrategyHeading", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_StrategyNarrativeTextBlock": { "auth_ref": [ "r45" ], "lang": { "en-us": { "role": { "documentation": "Principal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.", "label": "Strategy Narrative [Text Block]" } } }, "localname": "StrategyNarrativeTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_StrategyPortfolioConcentration": { "auth_ref": [ "r45" ], "lang": { "en-us": { "role": { "documentation": "Principal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.", "label": "Strategy Portfolio Concentration [Text]" } } }, "localname": "StrategyPortfolioConcentration", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_SupplementToProspectusTextBlock": { "auth_ref": [ "r1" ], "lang": { "en-us": { "role": { "documentation": "This element contains the text of a prospectus supplement (submission type 497) not already contained in an element containing amended text or other data from a previous submission.", "label": "Supplement to Prospectus [Text Block]" } } }, "localname": "SupplementToProspectusTextBlock", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/SummaryS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/SummaryS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/SummaryS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/SummaryS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/SummaryS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/SummaryS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/SummaryS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/SummaryS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/SummaryS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ThirtyDayTaxEquivalentYield": { "auth_ref": [ "r66" ], "lang": { "en-us": { "role": { "documentation": "A Fund (other than a Money Market Fund) may include the Fund's yield calculated under Item 21(b)(2). Any Fund may include its tax-equivalent yield calculated under Item 21. If a Fund's yield is included, provide a toll-free (or collect) telephone number that investors can use to obtain current yield information.", "label": "Thirty Day Tax Equivalent Yield" } } }, "localname": "ThirtyDayTaxEquivalentYield", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_ThirtyDayYield": { "auth_ref": [ "r66" ], "lang": { "en-us": { "role": { "documentation": "A Fund (other than a Money Market Fund) may include the Fund's yield calculated under Item 21(b)(2). Any Fund may include its tax-equivalent yield calculated under Item 21. If a Fund's yield is included, provide a toll-free (or collect) telephone number that investors can use to obtain current yield information.", "label": "Thirty Day Yield" } } }, "localname": "ThirtyDayYield", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "pureItemType" }, "rr_ThirtyDayYieldCaption": { "auth_ref": [ "r66" ], "lang": { "en-us": { "role": { "documentation": "A Fund (other than a Money Market Fund) may include the Fund's yield calculated under Item 21(b)(2). Any Fund may include its tax-equivalent yield calculated under Item 21. If a Fund's yield is included, provide a toll-free (or collect) telephone number that investors can use to obtain current yield information.", "label": "Thirty Day Yield Caption" } } }, "localname": "ThirtyDayYieldCaption", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_ThirtyDayYieldColumnName": { "auth_ref": [ "r66" ], "lang": { "en-us": { "role": { "documentation": "A Fund (other than a Money Market Fund) may include the Fund's yield calculated under Item 21(b)(2). Any Fund may include its tax-equivalent yield calculated under Item 21. If a Fund's yield is included, provide a toll-free (or collect) telephone number that investors can use to obtain current yield information.", "label": "Thirty Day Yield Column [Text]" } } }, "localname": "ThirtyDayYieldColumnName", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "textBlockItemType" }, "rr_ThirtyDayYieldPhone": { "auth_ref": [ "r66" ], "lang": { "en-us": { "role": { "documentation": "A Fund (other than a Money Market Fund) may include the Fund's yield calculated under Item 21(b)(2). Any Fund may include its tax-equivalent yield calculated under Item 21. If a Fund's yield is included, provide a toll-free (or collect) telephone number that investors can use to obtain current yield information.", "label": "Thirty Day Yield Phone" } } }, "localname": "ThirtyDayYieldPhone", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" }, "rr_YearToDateReturnLabel": { "auth_ref": [ "r57" ], "lang": { "en-us": { "role": { "documentation": "If the Fund has annual returns for at least one calendar year, provide a bar chart showing the Fund's annual total returns for each of the last 10 calendar years (or for the life of the Fund if less than 10 years), but only for periods subsequent to the effective date of the Fund's registration statement. Present the corresponding numerical return adjacent to each bar. If the Fund's fiscal year is other than a calendar year, include the year-to-date return information as of the end of the most recent quarter in a footnote to the bar chart. Following the bar chart, disclose the Fund's highest and lowest return for a quarter during the 10 years or other period of the bar chart.", "label": "Year to Date Return, Label" } } }, "localname": "YearToDateReturnLabel", "nsuri": "http://xbrl.sec.gov/rr/2022", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000023605_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000024314_FidelityGlobalCommodityStockFund-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000026866_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026867_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000026868_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000058342_FidelitySeriesCanadaFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000062805_FidelitySeriesInternationalFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000065216_FidelitySAIInternationalSMACompletionFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000065700_FidelitySeriesOverseasFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066805_FidelityInfrastructureFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000066806_FidelityEnduringOpportunitiesFund-PRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075294_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-AMCIZComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075295_FidelitySustainableEmergingMarketsEquityFundFidelitySustainableInternationalEquityFund-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075895_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000075896_FidelitySAISustainableInternationalEquityEmergingMarketsEquityFunds-ComboPRO" ], "xbrltype": "stringItemType" } }, "unitCount": 2 } }, "std_ref": { "r0": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r1": { "Name": "Form", "Number": "N-1A", "Publisher": "SEC", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r10": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "3", "Subparagraph": "6", "Subsection": "example", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r11": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "3", "Publisher": "SEC", "Section": "3", "Subsection": "example", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r12": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "b", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r13": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "c", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r14": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "d", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r15": { "Chapter": "A", "Clause": "i", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "d", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r16": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "3", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r17": { "Chapter": "A", "Clause": "i", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "3", "Subparagraph": "a", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r18": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "3", "Subparagraph": "b", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r19": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "3", "Subparagraph": "c", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r2": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Publisher": "SEC", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r20": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "3", "Subparagraph": "d", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r21": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "3", "Publisher": "SEC", "Section": "3", "Subparagraph": "a", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r22": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "3", "Publisher": "SEC", "Section": "3", "Subparagraph": "b", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r23": { "Chapter": "A", "Clause": "i", "Name": "Form", "Number": "N-1A", "Paragraph": "3", "Publisher": "SEC", "Section": "3", "Subparagraph": "c", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r24": { "Chapter": "A", "Clause": "ii", "Name": "Form", "Number": "N-1A", "Paragraph": "3", "Publisher": "SEC", "Section": "3", "Subparagraph": "c", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r25": { "Chapter": "A", "Clause": "iii", "Name": "Form", "Number": "N-1A", "Paragraph": "3", "Publisher": "SEC", "Section": "3", "Subparagraph": "c", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r26": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "3", "Publisher": "SEC", "Section": "3", "Subparagraph": "d", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r27": { "Chapter": "A", "Clause": "ii", "Exhibit": "B", "Name": "Form", "Number": "N-1A", "Paragraph": "3", "Publisher": "SEC", "Section": "3", "Subparagraph": "d", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r28": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "3", "Publisher": "SEC", "Section": "3", "Subparagraph": "e", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r29": { "Chapter": "A", "Clause": "vi", "Name": "Form", "Number": "N-1A", "Paragraph": "3", "Publisher": "SEC", "Section": "3", "Subparagraph": "f", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r3": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "1", "Subsection": "a", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r30": { "Chapter": "A", "Clause": "vii", "Name": "Form", "Number": "N-1A", "Paragraph": "3", "Publisher": "SEC", "Section": "3", "Subparagraph": "f", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r31": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "4", "Publisher": "SEC", "Section": "3", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r32": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "4", "Publisher": "SEC", "Section": "3", "Subparagraph": "f", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r33": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "5", "Publisher": "SEC", "Section": "3", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r34": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "6", "Publisher": "SEC", "Section": "3", "Subparagraph": "a", "Subsection": "instructions", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r35": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subsection": "table", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r36": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "1", "Subsection": "table", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r37": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "10", "Subsection": "table", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r38": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "11", "Subsection": "table", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r39": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "3", "Subsection": "table", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r4": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "3", "Publisher": "SEC", "Section": "1", "Subsection": "a", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r40": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "4", "Subsection": "table", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r41": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "5", "Subsection": "table", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r42": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "6", "Subsection": "table", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r43": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "7", "Subsection": "table", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r44": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "9", "Subsection": "table", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r45": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Publisher": "SEC", "Section": "4", "Subsection": "a", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r46": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "4", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r47": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "4", "Subparagraph": "i", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r48": { "Chapter": "A", "Clause": "instruction", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "4", "Subparagraph": "i", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r49": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "4", "Subparagraph": "ii", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r5": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Publisher": "SEC", "Section": "2", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r50": { "Chapter": "A", "Clause": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "4", "Subparagraph": "ii", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r51": { "Chapter": "A", "Clause": "B", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "4", "Subparagraph": "ii", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r52": { "Chapter": "A", "Clause": "C", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "4", "Subparagraph": "ii", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r53": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "4", "Subparagraph": "iii", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r54": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "4", "Subparagraph": "iv", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r55": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r56": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "i", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r57": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "ii", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r58": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "iii", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r59": { "Chapter": "A", "Clause": "1", "Exhibit": "1", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "iii", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r6": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Publisher": "SEC", "Section": "2", "Subsection": "a", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r60": { "Chapter": "A", "Clause": "1", "Exhibit": "2", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "iii", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r61": { "Chapter": "A", "Clause": "1", "Exhibit": "5", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "iii", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r62": { "Chapter": "A", "Clause": "1", "Exhibit": "a", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "instructions", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r63": { "Chapter": "A", "Clause": "1", "Exhibit": "b", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "instructions", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r64": { "Chapter": "A", "Clause": "2", "Exhibit": "a", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "instructions", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r65": { "Chapter": "A", "Clause": "2", "Exhibit": "c", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "instructions", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r66": { "Chapter": "A", "Clause": "2", "Exhibit": "d", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "instructions", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r67": { "Chapter": "A", "Clause": "3", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "instructions", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r68": { "Chapter": "A", "Clause": "3", "Exhibit": "a", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "instructions", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r69": { "Chapter": "A", "Clause": "3", "Exhibit": "b", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "instructions", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r7": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "1", "Subsection": "example", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r70": { "Chapter": "A", "Clause": "3", "Exhibit": "c", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "instructions", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r71": { "Chapter": "A", "Clause": "3", "Example": "ii", "Exhibit": "c", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Sentence": "D", "Subparagraph": "instructions", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r72": { "Chapter": "A", "Clause": "4", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "instructions", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r73": { "Chapter": "A", "Clause": "5", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "instructions", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r74": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "iv", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r75": { "Chapter": "A", "Clause": "B", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "iv", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r76": { "Chapter": "A", "Clause": "C", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "iv", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r77": { "Chapter": "A", "Clause": "D", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "4", "Subparagraph": "iv", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r78": { "Name": "Regulation S-T", "Number": "232", "Publisher": "SEC", "Section": "313", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r8": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "1", "Publisher": "SEC", "Section": "3", "Subparagraph": "2", "Subsection": "example", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r9": { "Chapter": "A", "Name": "Form", "Number": "N-1A", "Paragraph": "2", "Publisher": "SEC", "Section": "3", "Subparagraph": "1", "Subsection": "example", "role": "http://www.xbrl.org/2003/role/presentationRef" } }, "version": "2.2" }