{ "version": "2.2", "instance": { "filing8392.htm": { "nsprefix": "fmr", "nsuri": "http://www.fidelity.com/20241230", "dts": { "inline": { "local": [ "filing8392.htm" ] }, "schema": { "local": [ "fmr-20241230.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/2006/ref-2006-02-27.xsd", "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd", "http://www.xbrl.org/lrr/arcrole/deprecated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd", "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd", "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd", "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd", "https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd", "https://xbrl.fasb.org/srt/2023/elts/srt-roles-2023.xsd", "https://xbrl.fasb.org/srt/2023/elts/srt-types-2023.xsd", "https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd", "https://xbrl.fasb.org/us-gaap/2023/elts/us-roles-2023.xsd", "https://xbrl.fasb.org/us-gaap/2023/elts/us-types-2023.xsd", "https://xbrl.sec.gov/country/2023/country-2023.xsd", "https://xbrl.sec.gov/country/2023/country-2023_def.xsd", "https://xbrl.sec.gov/dei/2023/dei-2023.xsd", "https://xbrl.sec.gov/oef/2023/oef-2023.xsd", "https://xbrl.sec.gov/oef/2023/oef-2023_cal.xsd", "https://xbrl.sec.gov/oef/2023/oef-2023_lab.xsd", "https://xbrl.sec.gov/oef/2023/oef-sr-2023.xsd" ] } }, "keyStandard": 43, "keyCustom": 0, "axisStandard": 7, "axisCustom": 0, "memberStandard": 37, "memberCustom": 935, "hidden": { "total": 5, "http://xbrl.sec.gov/dei/2023": 5 }, "contextCount": 2006, "entityCount": 1, "segmentCount": 972, "elementCount": 1105, "unitCount": 3, "baseTaxonomies": { "http://xbrl.sec.gov/oef/2023": 2824, "http://xbrl.sec.gov/dei/2023": 71, "http://fasb.org/us-gaap/2023": 66 }, "report": { "R1": { "role": "http://xbrl.sec.gov/oef/role/NcsrCover", "longName": "030000 - Disclosure - Form N-CSR Cover", "shortName": "Form N-CSR Cover", "isDefault": "true", "groupType": "disclosure", "subGroupType": "", "menuCat": "Cover", "order": "1", "firstAnchor": { "contextRef": "Trust", "name": "dei:DocumentPeriodEndDate", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing8392.htm", "first": true }, "uniqueAnchor": null }, "R2": { "role": "http://xbrl.sec.gov/oef/role/ShareholderReport", "longName": "030001 - Disclosure - Shareholder Report", "shortName": "Shareholder Report", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "2", "firstAnchor": { "contextRef": "Trust", "name": "dei:DocumentPeriodEndDate", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing8392.htm", "first": true }, "uniqueAnchor": { "contextRef": "C000234212_ClassMember", "name": "oef:FundName", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing8392.htm", "unique": true } }, "R3": { "role": "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails", "longName": "040010 - Disclosure - Shareholder Report, Line Graph (Details)", "shortName": "Shareholder Report, Line Graph (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "3", "firstAnchor": { "contextRef": "C000234212_1_BBIndexMember_1YR", "name": "oef:AvgAnnlRtrPct", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "div", "td", "tr", "table", "div", "oef:AvgAnnlRtrTableTextBlock", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing8392.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C000234212_1_BBIndexMember_1YR", "name": "oef:AvgAnnlRtrPct", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "div", "td", "tr", "table", "div", "oef:AvgAnnlRtrTableTextBlock", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing8392.htm", "first": true, "unique": true } }, "R4": { "role": "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "longName": "040020 - Disclosure - Shareholder Report, Holdings (Details)", "shortName": "Shareholder Report, Holdings (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "4", "firstAnchor": { "contextRef": "C000234212_TH_0_Member", "name": "oef:PctOfNav", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "div", "td", "tr", "table", "oef:LargestHoldingsTableTextBlock", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing8392.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C000234212_TH_0_Member", "name": "oef:PctOfNav", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "div", "td", "tr", "table", "oef:LargestHoldingsTableTextBlock", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing8392.htm", "first": true, "unique": true } } }, "tag": { "fmr_AABondsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "AABondsMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "AABondsMember [Member]", "verboseLabel": "AABondsMember", "terseLabel": "AABondsMember" } } }, "auth_ref": [] }, "fmr_AACommonStocksMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "AACommonStocksMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "AACommonStocksMember [Member]", "verboseLabel": "AACommonStocksMember", "terseLabel": "AACommonStocksMember" } } }, "auth_ref": [] }, "fmr_AAInternationalEquityFundsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "AAInternationalEquityFundsMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "AAInternationalEquityFundsMember [Member]", "verboseLabel": "AAInternationalEquityFundsMember", "terseLabel": "AAInternationalEquityFundsMember" } } }, "auth_ref": [] }, "fmr_AAPreferredStocksMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "AAPreferredStocksMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "AAPreferredStocksMember [Member]", "verboseLabel": "AAPreferredStocksMember", "terseLabel": "AAPreferredStocksMember" } } }, "auth_ref": [] }, "fmr_AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember [Member]", "verboseLabel": "AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember", "terseLabel": "AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember" } } }, "auth_ref": [] }, "country_AU": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "AU", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Australia", "terseLabel": "Australia" } } }, "auth_ref": [] }, "oef_AccountValueLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AccountValueLineItems", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "Account Value [Line Items]" } } }, "auth_ref": [ "r36" ] }, "oef_AccountValueTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AccountValueTable", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "Account Value [Table]" } } }, "auth_ref": [ "r36" ] }, "oef_AccountValueTableAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AccountValueTableAbstract", "lang": { "en-us": { "role": { "label": "Account Value Table [Abstract]" } } }, "auth_ref": [ "r36" ] }, "oef_AccountantChngDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AccountantChngDate", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Accountant Change Date" } } }, "auth_ref": [ "r60" ] }, "oef_AccountantChngDisagreementsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AccountantChngDisagreementsTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Accountant Change Disagreements [Text Block]" } } }, "auth_ref": [ "r61" ] }, "oef_AccountantChngStatementTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AccountantChngStatementTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Accountant Change Statement [Text Block]" } } }, "auth_ref": [ "r60" ] }, "oef_AcctVal": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AcctVal", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "Account Value" } } }, "auth_ref": [ "r37" ] }, "oef_AcquiredFundFeesAndExpensesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AcquiredFundFeesAndExpensesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_ExpensesOverAssets", "weight": 1.0, "order": 5.0 } }, "lang": { "en-us": { "role": { "label": "Acquired Fund Fees and Expenses" } } }, "auth_ref": [ "r70" ] }, "oef_AdditionalIndexAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AdditionalIndexAxis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "Additional Index [Axis]" } } }, "auth_ref": [ "r36" ] }, "oef_AdditionalIndexDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AdditionalIndexDomain", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "Additional Index [Domain]" } } }, "auth_ref": [ "r36" ] }, "oef_AddlFundStatisticsSignificanceOrLimitsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AddlFundStatisticsSignificanceOrLimitsTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Additional Fund Statistics Significance or Limits [Text Block]" } } }, "auth_ref": [ "r50" ] }, "oef_AddlFundStatisticsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AddlFundStatisticsTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Additional Fund Statistics [Text Block]" } } }, "auth_ref": [ "r49" ] }, "oef_AddlInfoEmail": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AddlInfoEmail", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Additional Information Email" } } }, "auth_ref": [ "r28" ] }, "oef_AddlInfoPhoneNumber": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AddlInfoPhoneNumber", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Additional Information Phone Number" } } }, "auth_ref": [ "r28" ] }, "oef_AddlInfoTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AddlInfoTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Additional Information [Text Block]" } } }, "auth_ref": [ "r26" ] }, "oef_AddlInfoWebsite": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AddlInfoWebsite", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Additional Information Website" } } }, "auth_ref": [ "r28" ] }, "oef_AdvisoryFeesPaidAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AdvisoryFeesPaidAmt", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Advisory Fees Paid, Amount" } } }, "auth_ref": [ "r49" ] }, "dei_AmendmentDescription": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "AmendmentDescription", "presentation": [ "http://xbrl.sec.gov/oef/role/NcsrCover", "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Amendment Description", "documentation": "Description of changes contained within amended document." } } }, "auth_ref": [] }, "dei_AmendmentFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "AmendmentFlag", "presentation": [ "http://xbrl.sec.gov/oef/role/NcsrCover", "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Amendment Flag", "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission." } } }, "auth_ref": [] }, "oef_AnnlOrSemiAnnlStatementTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AnnlOrSemiAnnlStatementTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Annual or Semi-Annual Statement [Text Block]" } } }, "auth_ref": [ "r25" ] }, "us-gaap_AssetsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AssetsNet", "crdr": "debit", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "documentation": "Amount of net assets (liabilities).", "label": "Net Assets" } } }, "auth_ref": [ "r0" ] }, "oef_AvgAnnlRtrPct": { "xbrltype": "percentItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AvgAnnlRtrPct", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "Average Annual Return, Percent" } } }, "auth_ref": [ "r43" ] }, "oef_AvgAnnlRtrTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "AvgAnnlRtrTableTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Average Annual Return [Table Text Block]" } } }, "auth_ref": [ "r43" ] }, "country_BR": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "BR", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Brazil", "terseLabel": "Brazil" } } }, "auth_ref": [] }, "oef_BroadBasedIndexAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "BroadBasedIndexAxis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "Broad Based Index [Axis]" } } }, "auth_ref": [ "r36" ] }, "oef_BroadBasedIndexDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "BroadBasedIndexDomain", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "Broad Based Index [Domain]" } } }, "auth_ref": [ "r36" ] }, "fmr_C000069437Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437 [Member]", "verboseLabel": "Fidelity Series Emerging Markets Opportunities Fund", "terseLabel": "Fidelity Series Emerging Markets Opportunities Fund" } } }, "auth_ref": [] }, "fmr_C000069437_0_BBIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_0_BBIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_0_BBIndexMember_10YRMember [Member]", "verboseLabel": "C000069437_0_BBIndexMember_10YRMember", "terseLabel": "C000069437_0_BBIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000069437_0_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_0_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_0_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000069437_0_BBIndexMember_1YRMember", "terseLabel": "C000069437_0_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000069437_0_BBIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_0_BBIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_0_BBIndexMember_5YRMember [Member]", "verboseLabel": "C000069437_0_BBIndexMember_5YRMember", "terseLabel": "C000069437_0_BBIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000069437_1_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_1_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_1_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000069437_1_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_1_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_1_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000069437_1_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_1_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_1_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000069437_1_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_1_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_1_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000069437_1_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_1_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_1_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000069437_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000069437_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000069437_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000069437_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000069437_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000069437_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000069437_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000069437_ClassMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_ClassMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_ClassMember_AsOf_2014Member [Member]", "verboseLabel": "C000069437_ClassMember_AsOf_2014Member", "terseLabel": "C000069437_ClassMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000069437_ClassMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_ClassMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_ClassMember_AsOf_2015Member [Member]", "verboseLabel": "C000069437_ClassMember_AsOf_2015Member", "terseLabel": "C000069437_ClassMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000069437_ClassMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_ClassMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_ClassMember_AsOf_2016Member [Member]", "verboseLabel": "C000069437_ClassMember_AsOf_2016Member", "terseLabel": "C000069437_ClassMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000069437_ClassMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_ClassMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_ClassMember_AsOf_2017Member [Member]", "verboseLabel": "C000069437_ClassMember_AsOf_2017Member", "terseLabel": "C000069437_ClassMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000069437_ClassMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_ClassMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_ClassMember_AsOf_2018Member [Member]", "verboseLabel": "C000069437_ClassMember_AsOf_2018Member", "terseLabel": "C000069437_ClassMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000069437_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000069437_ClassMember_AsOf_2019Member", "terseLabel": "C000069437_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000069437_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000069437_ClassMember_AsOf_2020Member", "terseLabel": "C000069437_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000069437_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000069437_ClassMember_AsOf_2021Member", "terseLabel": "C000069437_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000069437_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000069437_ClassMember_AsOf_2022Member", "terseLabel": "C000069437_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000069437_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000069437_ClassMember_AsOf_2023Member", "terseLabel": "C000069437_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000069437_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000069437_ClassMember_AsOf_2024Member", "terseLabel": "C000069437_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000069437_LG_1_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_LG_1_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_LG_1_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000069437_LG_1_AdditionalIndexMember_11YRMember", "terseLabel": "C000069437_LG_1_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000069437_LG_ClassMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_LG_ClassMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_LG_ClassMember_11YRMember [Member]", "verboseLabel": "C000069437_LG_ClassMember_11YRMember", "terseLabel": "C000069437_LG_ClassMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000069437_NoLoadClassMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_NoLoadClassMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_NoLoadClassMember_10YRMember [Member]", "verboseLabel": "C000069437_NoLoadClassMember_10YRMember", "terseLabel": "C000069437_NoLoadClassMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000069437_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000069437_NoLoadClassMember_1YRMember", "terseLabel": "C000069437_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000069437_NoLoadClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000069437_NoLoadClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000069437_NoLoadClassMember_5YRMember [Member]", "verboseLabel": "C000069437_NoLoadClassMember_5YRMember", "terseLabel": "C000069437_NoLoadClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071913Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913 [Member]", "verboseLabel": "Fidelity Global Commodity Stock Fund", "terseLabel": "Fidelity Global Commodity Stock Fund" } } }, "auth_ref": [] }, "fmr_C000071913_0_AdditionalIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_0_AdditionalIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_0_AdditionalIndexMember_10YRMember [Member]", "verboseLabel": "C000071913_0_AdditionalIndexMember_10YRMember", "terseLabel": "C000071913_0_AdditionalIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071913_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000071913_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000071913_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071913_0_AdditionalIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_0_AdditionalIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_0_AdditionalIndexMember_5YRMember [Member]", "verboseLabel": "C000071913_0_AdditionalIndexMember_5YRMember", "terseLabel": "C000071913_0_AdditionalIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071913_1_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_1_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_1_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071913_1_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_1_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_1_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071913_1_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_1_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_1_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071913_1_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_1_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_1_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071913_1_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_1_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_1_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071913_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071913_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071913_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071913_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071913_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071913_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000071913_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071913_1_BBIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_1_BBIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_1_BBIndexMember_10YRMember [Member]", "verboseLabel": "C000071913_1_BBIndexMember_10YRMember", "terseLabel": "C000071913_1_BBIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071913_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000071913_1_BBIndexMember_1YRMember", "terseLabel": "C000071913_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071913_1_BBIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_1_BBIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_1_BBIndexMember_5YRMember [Member]", "verboseLabel": "C000071913_1_BBIndexMember_5YRMember", "terseLabel": "C000071913_1_BBIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071913_2_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_2_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_2_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071913_2_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_2_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_2_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071913_2_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_2_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_2_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071913_2_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_2_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_2_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071913_2_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_2_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_2_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071913_2_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_2_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_2_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071913_2_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_2_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_2_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071913_2_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_2_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_2_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071913_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071913_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071913_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000071913_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071913_ClassMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_ClassMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_ClassMember_AsOf_2014Member [Member]", "verboseLabel": "C000071913_ClassMember_AsOf_2014Member", "terseLabel": "C000071913_ClassMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071913_ClassMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_ClassMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_ClassMember_AsOf_2015Member [Member]", "verboseLabel": "C000071913_ClassMember_AsOf_2015Member", "terseLabel": "C000071913_ClassMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071913_ClassMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_ClassMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_ClassMember_AsOf_2016Member [Member]", "verboseLabel": "C000071913_ClassMember_AsOf_2016Member", "terseLabel": "C000071913_ClassMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071913_ClassMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_ClassMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_ClassMember_AsOf_2017Member [Member]", "verboseLabel": "C000071913_ClassMember_AsOf_2017Member", "terseLabel": "C000071913_ClassMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071913_ClassMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_ClassMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_ClassMember_AsOf_2018Member [Member]", "verboseLabel": "C000071913_ClassMember_AsOf_2018Member", "terseLabel": "C000071913_ClassMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071913_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000071913_ClassMember_AsOf_2019Member", "terseLabel": "C000071913_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071913_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000071913_ClassMember_AsOf_2020Member", "terseLabel": "C000071913_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071913_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000071913_ClassMember_AsOf_2021Member", "terseLabel": "C000071913_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071913_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000071913_ClassMember_AsOf_2022Member", "terseLabel": "C000071913_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071913_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000071913_ClassMember_AsOf_2023Member", "terseLabel": "C000071913_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071913_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000071913_ClassMember_AsOf_2024Member", "terseLabel": "C000071913_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071913_LG_1_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_LG_1_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_LG_1_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000071913_LG_1_AdditionalIndexMember_11YRMember", "terseLabel": "C000071913_LG_1_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071913_LG_2_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_LG_2_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_LG_2_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000071913_LG_2_AdditionalIndexMember_11YRMember", "terseLabel": "C000071913_LG_2_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071913_LG_ClassMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_LG_ClassMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_LG_ClassMember_11YRMember [Member]", "verboseLabel": "C000071913_LG_ClassMember_11YRMember", "terseLabel": "C000071913_LG_ClassMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071913_NoLoadClassMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_NoLoadClassMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_NoLoadClassMember_10YRMember [Member]", "verboseLabel": "C000071913_NoLoadClassMember_10YRMember", "terseLabel": "C000071913_NoLoadClassMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071913_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000071913_NoLoadClassMember_1YRMember", "terseLabel": "C000071913_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071913_NoLoadClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071913_NoLoadClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071913_NoLoadClassMember_5YRMember [Member]", "verboseLabel": "C000071913_NoLoadClassMember_5YRMember", "terseLabel": "C000071913_NoLoadClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071914Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914 [Member]", "verboseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class A", "terseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class A" } } }, "auth_ref": [] }, "fmr_C000071914_0_AdditionalIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_0_AdditionalIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_0_AdditionalIndexMember_10YRMember [Member]", "verboseLabel": "C000071914_0_AdditionalIndexMember_10YRMember", "terseLabel": "C000071914_0_AdditionalIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071914_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000071914_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000071914_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071914_0_AdditionalIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_0_AdditionalIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_0_AdditionalIndexMember_5YRMember [Member]", "verboseLabel": "C000071914_0_AdditionalIndexMember_5YRMember", "terseLabel": "C000071914_0_AdditionalIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071914_1_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_1_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_1_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071914_1_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_1_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_1_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071914_1_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_1_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_1_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071914_1_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_1_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_1_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071914_1_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_1_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_1_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071914_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071914_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071914_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071914_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071914_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071914_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000071914_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071914_1_BBIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_1_BBIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_1_BBIndexMember_10YRMember [Member]", "verboseLabel": "C000071914_1_BBIndexMember_10YRMember", "terseLabel": "C000071914_1_BBIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071914_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000071914_1_BBIndexMember_1YRMember", "terseLabel": "C000071914_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071914_1_BBIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_1_BBIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_1_BBIndexMember_5YRMember [Member]", "verboseLabel": "C000071914_1_BBIndexMember_5YRMember", "terseLabel": "C000071914_1_BBIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071914_2_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_2_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_2_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071914_2_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_2_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_2_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071914_2_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_2_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_2_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071914_2_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_2_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_2_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071914_2_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_2_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_2_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071914_2_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_2_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_2_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071914_2_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_2_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_2_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071914_2_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_2_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_2_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071914_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071914_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071914_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000071914_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071914_ClassMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_ClassMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_ClassMember_10YRMember [Member]", "verboseLabel": "C000071914_ClassMember_10YRMember", "terseLabel": "C000071914_ClassMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071914_ClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_ClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_ClassMember_1YRMember [Member]", "verboseLabel": "C000071914_ClassMember_1YRMember", "terseLabel": "C000071914_ClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071914_ClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_ClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_ClassMember_5YRMember [Member]", "verboseLabel": "C000071914_ClassMember_5YRMember", "terseLabel": "C000071914_ClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071914_ClassMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_ClassMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_ClassMember_AsOf_2014Member [Member]", "verboseLabel": "C000071914_ClassMember_AsOf_2014Member", "terseLabel": "C000071914_ClassMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071914_ClassMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_ClassMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_ClassMember_AsOf_2015Member [Member]", "verboseLabel": "C000071914_ClassMember_AsOf_2015Member", "terseLabel": "C000071914_ClassMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071914_ClassMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_ClassMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_ClassMember_AsOf_2016Member [Member]", "verboseLabel": "C000071914_ClassMember_AsOf_2016Member", "terseLabel": "C000071914_ClassMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071914_ClassMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_ClassMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_ClassMember_AsOf_2017Member [Member]", "verboseLabel": "C000071914_ClassMember_AsOf_2017Member", "terseLabel": "C000071914_ClassMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071914_ClassMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_ClassMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_ClassMember_AsOf_2018Member [Member]", "verboseLabel": "C000071914_ClassMember_AsOf_2018Member", "terseLabel": "C000071914_ClassMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071914_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000071914_ClassMember_AsOf_2019Member", "terseLabel": "C000071914_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071914_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000071914_ClassMember_AsOf_2020Member", "terseLabel": "C000071914_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071914_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000071914_ClassMember_AsOf_2021Member", "terseLabel": "C000071914_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071914_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000071914_ClassMember_AsOf_2022Member", "terseLabel": "C000071914_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071914_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000071914_ClassMember_AsOf_2023Member", "terseLabel": "C000071914_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071914_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000071914_ClassMember_AsOf_2024Member", "terseLabel": "C000071914_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071914_LG_1_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_LG_1_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_LG_1_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000071914_LG_1_AdditionalIndexMember_11YRMember", "terseLabel": "C000071914_LG_1_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071914_LG_2_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_LG_2_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_LG_2_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000071914_LG_2_AdditionalIndexMember_11YRMember", "terseLabel": "C000071914_LG_2_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071914_LG_ClassMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_LG_ClassMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_LG_ClassMember_11YRMember [Member]", "verboseLabel": "C000071914_LG_ClassMember_11YRMember", "terseLabel": "C000071914_LG_ClassMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071914_NoLoadClassMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_NoLoadClassMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_NoLoadClassMember_10YRMember [Member]", "verboseLabel": "C000071914_NoLoadClassMember_10YRMember", "terseLabel": "C000071914_NoLoadClassMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071914_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000071914_NoLoadClassMember_1YRMember", "terseLabel": "C000071914_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071914_NoLoadClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071914_NoLoadClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071914_NoLoadClassMember_5YRMember [Member]", "verboseLabel": "C000071914_NoLoadClassMember_5YRMember", "terseLabel": "C000071914_NoLoadClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071916Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916 [Member]", "verboseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class C", "terseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class C" } } }, "auth_ref": [] }, "fmr_C000071916_0_AdditionalIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_0_AdditionalIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_0_AdditionalIndexMember_10YRMember [Member]", "verboseLabel": "C000071916_0_AdditionalIndexMember_10YRMember", "terseLabel": "C000071916_0_AdditionalIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071916_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000071916_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000071916_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071916_0_AdditionalIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_0_AdditionalIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_0_AdditionalIndexMember_5YRMember [Member]", "verboseLabel": "C000071916_0_AdditionalIndexMember_5YRMember", "terseLabel": "C000071916_0_AdditionalIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071916_1_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_1_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_1_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071916_1_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_1_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_1_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071916_1_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_1_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_1_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071916_1_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_1_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_1_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071916_1_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_1_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_1_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071916_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071916_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071916_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071916_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071916_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071916_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000071916_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071916_1_BBIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_1_BBIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_1_BBIndexMember_10YRMember [Member]", "verboseLabel": "C000071916_1_BBIndexMember_10YRMember", "terseLabel": "C000071916_1_BBIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071916_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000071916_1_BBIndexMember_1YRMember", "terseLabel": "C000071916_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071916_1_BBIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_1_BBIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_1_BBIndexMember_5YRMember [Member]", "verboseLabel": "C000071916_1_BBIndexMember_5YRMember", "terseLabel": "C000071916_1_BBIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071916_2_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_2_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_2_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071916_2_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_2_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_2_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071916_2_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_2_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_2_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071916_2_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_2_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_2_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071916_2_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_2_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_2_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071916_2_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_2_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_2_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071916_2_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_2_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_2_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071916_2_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_2_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_2_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071916_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071916_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071916_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000071916_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071916_ClassMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_ClassMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_ClassMember_10YRMember [Member]", "verboseLabel": "C000071916_ClassMember_10YRMember", "terseLabel": "C000071916_ClassMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071916_ClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_ClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_ClassMember_1YRMember [Member]", "verboseLabel": "C000071916_ClassMember_1YRMember", "terseLabel": "C000071916_ClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071916_ClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_ClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_ClassMember_5YRMember [Member]", "verboseLabel": "C000071916_ClassMember_5YRMember", "terseLabel": "C000071916_ClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071916_ClassMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_ClassMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_ClassMember_AsOf_2014Member [Member]", "verboseLabel": "C000071916_ClassMember_AsOf_2014Member", "terseLabel": "C000071916_ClassMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071916_ClassMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_ClassMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_ClassMember_AsOf_2015Member [Member]", "verboseLabel": "C000071916_ClassMember_AsOf_2015Member", "terseLabel": "C000071916_ClassMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071916_ClassMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_ClassMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_ClassMember_AsOf_2016Member [Member]", "verboseLabel": "C000071916_ClassMember_AsOf_2016Member", "terseLabel": "C000071916_ClassMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071916_ClassMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_ClassMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_ClassMember_AsOf_2017Member [Member]", "verboseLabel": "C000071916_ClassMember_AsOf_2017Member", "terseLabel": "C000071916_ClassMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071916_ClassMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_ClassMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_ClassMember_AsOf_2018Member [Member]", "verboseLabel": "C000071916_ClassMember_AsOf_2018Member", "terseLabel": "C000071916_ClassMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071916_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000071916_ClassMember_AsOf_2019Member", "terseLabel": "C000071916_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071916_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000071916_ClassMember_AsOf_2020Member", "terseLabel": "C000071916_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071916_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000071916_ClassMember_AsOf_2021Member", "terseLabel": "C000071916_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071916_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000071916_ClassMember_AsOf_2022Member", "terseLabel": "C000071916_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071916_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000071916_ClassMember_AsOf_2023Member", "terseLabel": "C000071916_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071916_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000071916_ClassMember_AsOf_2024Member", "terseLabel": "C000071916_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071916_LG_1_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_LG_1_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_LG_1_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000071916_LG_1_AdditionalIndexMember_11YRMember", "terseLabel": "C000071916_LG_1_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071916_LG_2_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_LG_2_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_LG_2_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000071916_LG_2_AdditionalIndexMember_11YRMember", "terseLabel": "C000071916_LG_2_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071916_LG_ClassMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_LG_ClassMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_LG_ClassMember_11YRMember [Member]", "verboseLabel": "C000071916_LG_ClassMember_11YRMember", "terseLabel": "C000071916_LG_ClassMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071916_NoLoadClassMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_NoLoadClassMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_NoLoadClassMember_10YRMember [Member]", "verboseLabel": "C000071916_NoLoadClassMember_10YRMember", "terseLabel": "C000071916_NoLoadClassMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071916_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000071916_NoLoadClassMember_1YRMember", "terseLabel": "C000071916_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071916_NoLoadClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071916_NoLoadClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071916_NoLoadClassMember_5YRMember [Member]", "verboseLabel": "C000071916_NoLoadClassMember_5YRMember", "terseLabel": "C000071916_NoLoadClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071917Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917 [Member]", "verboseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class M", "terseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class M" } } }, "auth_ref": [] }, "fmr_C000071917_0_AdditionalIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_0_AdditionalIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_0_AdditionalIndexMember_10YRMember [Member]", "verboseLabel": "C000071917_0_AdditionalIndexMember_10YRMember", "terseLabel": "C000071917_0_AdditionalIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071917_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000071917_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000071917_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071917_0_AdditionalIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_0_AdditionalIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_0_AdditionalIndexMember_5YRMember [Member]", "verboseLabel": "C000071917_0_AdditionalIndexMember_5YRMember", "terseLabel": "C000071917_0_AdditionalIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071917_1_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_1_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_1_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071917_1_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_1_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_1_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071917_1_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_1_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_1_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071917_1_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_1_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_1_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071917_1_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_1_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_1_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071917_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071917_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071917_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071917_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071917_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071917_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000071917_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071917_1_BBIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_1_BBIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_1_BBIndexMember_10YRMember [Member]", "verboseLabel": "C000071917_1_BBIndexMember_10YRMember", "terseLabel": "C000071917_1_BBIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071917_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000071917_1_BBIndexMember_1YRMember", "terseLabel": "C000071917_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071917_1_BBIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_1_BBIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_1_BBIndexMember_5YRMember [Member]", "verboseLabel": "C000071917_1_BBIndexMember_5YRMember", "terseLabel": "C000071917_1_BBIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071917_2_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_2_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_2_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071917_2_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_2_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_2_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071917_2_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_2_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_2_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071917_2_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_2_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_2_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071917_2_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_2_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_2_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071917_2_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_2_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_2_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071917_2_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_2_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_2_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071917_2_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_2_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_2_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071917_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071917_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071917_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000071917_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071917_ClassMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_ClassMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_ClassMember_10YRMember [Member]", "verboseLabel": "C000071917_ClassMember_10YRMember", "terseLabel": "C000071917_ClassMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071917_ClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_ClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_ClassMember_1YRMember [Member]", "verboseLabel": "C000071917_ClassMember_1YRMember", "terseLabel": "C000071917_ClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071917_ClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_ClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_ClassMember_5YRMember [Member]", "verboseLabel": "C000071917_ClassMember_5YRMember", "terseLabel": "C000071917_ClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071917_ClassMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_ClassMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_ClassMember_AsOf_2014Member [Member]", "verboseLabel": "C000071917_ClassMember_AsOf_2014Member", "terseLabel": "C000071917_ClassMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071917_ClassMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_ClassMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_ClassMember_AsOf_2015Member [Member]", "verboseLabel": "C000071917_ClassMember_AsOf_2015Member", "terseLabel": "C000071917_ClassMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071917_ClassMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_ClassMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_ClassMember_AsOf_2016Member [Member]", "verboseLabel": "C000071917_ClassMember_AsOf_2016Member", "terseLabel": "C000071917_ClassMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071917_ClassMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_ClassMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_ClassMember_AsOf_2017Member [Member]", "verboseLabel": "C000071917_ClassMember_AsOf_2017Member", "terseLabel": "C000071917_ClassMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071917_ClassMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_ClassMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_ClassMember_AsOf_2018Member [Member]", "verboseLabel": "C000071917_ClassMember_AsOf_2018Member", "terseLabel": "C000071917_ClassMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071917_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000071917_ClassMember_AsOf_2019Member", "terseLabel": "C000071917_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071917_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000071917_ClassMember_AsOf_2020Member", "terseLabel": "C000071917_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071917_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000071917_ClassMember_AsOf_2021Member", "terseLabel": "C000071917_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071917_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000071917_ClassMember_AsOf_2022Member", "terseLabel": "C000071917_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071917_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000071917_ClassMember_AsOf_2023Member", "terseLabel": "C000071917_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071917_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000071917_ClassMember_AsOf_2024Member", "terseLabel": "C000071917_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071917_LG_1_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_LG_1_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_LG_1_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000071917_LG_1_AdditionalIndexMember_11YRMember", "terseLabel": "C000071917_LG_1_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071917_LG_2_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_LG_2_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_LG_2_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000071917_LG_2_AdditionalIndexMember_11YRMember", "terseLabel": "C000071917_LG_2_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071917_LG_ClassMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_LG_ClassMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_LG_ClassMember_11YRMember [Member]", "verboseLabel": "C000071917_LG_ClassMember_11YRMember", "terseLabel": "C000071917_LG_ClassMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071917_NoLoadClassMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_NoLoadClassMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_NoLoadClassMember_10YRMember [Member]", "verboseLabel": "C000071917_NoLoadClassMember_10YRMember", "terseLabel": "C000071917_NoLoadClassMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071917_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000071917_NoLoadClassMember_1YRMember", "terseLabel": "C000071917_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071917_NoLoadClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071917_NoLoadClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071917_NoLoadClassMember_5YRMember [Member]", "verboseLabel": "C000071917_NoLoadClassMember_5YRMember", "terseLabel": "C000071917_NoLoadClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071918Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918 [Member]", "verboseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class I", "terseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class I" } } }, "auth_ref": [] }, "fmr_C000071918_0_AdditionalIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_0_AdditionalIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_0_AdditionalIndexMember_10YRMember [Member]", "verboseLabel": "C000071918_0_AdditionalIndexMember_10YRMember", "terseLabel": "C000071918_0_AdditionalIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071918_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000071918_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000071918_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071918_0_AdditionalIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_0_AdditionalIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_0_AdditionalIndexMember_5YRMember [Member]", "verboseLabel": "C000071918_0_AdditionalIndexMember_5YRMember", "terseLabel": "C000071918_0_AdditionalIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071918_1_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_1_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_1_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071918_1_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_1_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_1_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071918_1_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_1_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_1_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071918_1_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_1_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_1_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071918_1_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_1_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_1_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071918_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071918_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071918_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071918_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071918_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071918_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000071918_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071918_1_BBIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_1_BBIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_1_BBIndexMember_10YRMember [Member]", "verboseLabel": "C000071918_1_BBIndexMember_10YRMember", "terseLabel": "C000071918_1_BBIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071918_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000071918_1_BBIndexMember_1YRMember", "terseLabel": "C000071918_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071918_1_BBIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_1_BBIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_1_BBIndexMember_5YRMember [Member]", "verboseLabel": "C000071918_1_BBIndexMember_5YRMember", "terseLabel": "C000071918_1_BBIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000071918_2_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_2_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_2_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071918_2_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_2_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_2_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071918_2_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_2_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_2_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071918_2_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_2_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_2_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071918_2_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_2_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_2_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071918_2_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_2_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_2_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071918_2_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_2_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_2_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071918_2_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_2_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_2_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071918_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071918_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071918_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000071918_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071918_ClassMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_ClassMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_ClassMember_AsOf_2014Member [Member]", "verboseLabel": "C000071918_ClassMember_AsOf_2014Member", "terseLabel": "C000071918_ClassMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000071918_ClassMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_ClassMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_ClassMember_AsOf_2015Member [Member]", "verboseLabel": "C000071918_ClassMember_AsOf_2015Member", "terseLabel": "C000071918_ClassMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000071918_ClassMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_ClassMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_ClassMember_AsOf_2016Member [Member]", "verboseLabel": "C000071918_ClassMember_AsOf_2016Member", "terseLabel": "C000071918_ClassMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000071918_ClassMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_ClassMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_ClassMember_AsOf_2017Member [Member]", "verboseLabel": "C000071918_ClassMember_AsOf_2017Member", "terseLabel": "C000071918_ClassMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000071918_ClassMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_ClassMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_ClassMember_AsOf_2018Member [Member]", "verboseLabel": "C000071918_ClassMember_AsOf_2018Member", "terseLabel": "C000071918_ClassMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000071918_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000071918_ClassMember_AsOf_2019Member", "terseLabel": "C000071918_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000071918_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000071918_ClassMember_AsOf_2020Member", "terseLabel": "C000071918_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000071918_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000071918_ClassMember_AsOf_2021Member", "terseLabel": "C000071918_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000071918_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000071918_ClassMember_AsOf_2022Member", "terseLabel": "C000071918_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000071918_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000071918_ClassMember_AsOf_2023Member", "terseLabel": "C000071918_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000071918_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000071918_ClassMember_AsOf_2024Member", "terseLabel": "C000071918_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000071918_LG_1_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_LG_1_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_LG_1_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000071918_LG_1_AdditionalIndexMember_11YRMember", "terseLabel": "C000071918_LG_1_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071918_LG_2_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_LG_2_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_LG_2_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000071918_LG_2_AdditionalIndexMember_11YRMember", "terseLabel": "C000071918_LG_2_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071918_LG_ClassMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_LG_ClassMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_LG_ClassMember_11YRMember [Member]", "verboseLabel": "C000071918_LG_ClassMember_11YRMember", "terseLabel": "C000071918_LG_ClassMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000071918_NoLoadClassMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_NoLoadClassMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_NoLoadClassMember_10YRMember [Member]", "verboseLabel": "C000071918_NoLoadClassMember_10YRMember", "terseLabel": "C000071918_NoLoadClassMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000071918_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000071918_NoLoadClassMember_1YRMember", "terseLabel": "C000071918_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000071918_NoLoadClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000071918_NoLoadClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000071918_NoLoadClassMember_5YRMember [Member]", "verboseLabel": "C000071918_NoLoadClassMember_5YRMember", "terseLabel": "C000071918_NoLoadClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000080862Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862 [Member]", "verboseLabel": "Fidelity Series International Growth Fund", "terseLabel": "Fidelity Series International Growth Fund" } } }, "auth_ref": [] }, "fmr_C000080862_0_AdditionalIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_0_AdditionalIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_0_AdditionalIndexMember_10YRMember [Member]", "verboseLabel": "C000080862_0_AdditionalIndexMember_10YRMember", "terseLabel": "C000080862_0_AdditionalIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000080862_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000080862_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000080862_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000080862_0_AdditionalIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_0_AdditionalIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_0_AdditionalIndexMember_5YRMember [Member]", "verboseLabel": "C000080862_0_AdditionalIndexMember_5YRMember", "terseLabel": "C000080862_0_AdditionalIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000080862_1_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_1_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_1_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000080862_1_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_1_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_1_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000080862_1_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_1_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_1_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000080862_1_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_1_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_1_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000080862_1_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_1_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_1_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000080862_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000080862_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000080862_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000080862_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000080862_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000080862_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000080862_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000080862_1_BBIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_1_BBIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_1_BBIndexMember_10YRMember [Member]", "verboseLabel": "C000080862_1_BBIndexMember_10YRMember", "terseLabel": "C000080862_1_BBIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000080862_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000080862_1_BBIndexMember_1YRMember", "terseLabel": "C000080862_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000080862_1_BBIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_1_BBIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_1_BBIndexMember_5YRMember [Member]", "verboseLabel": "C000080862_1_BBIndexMember_5YRMember", "terseLabel": "C000080862_1_BBIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000080862_2_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_2_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_2_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000080862_2_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_2_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_2_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000080862_2_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_2_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_2_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000080862_2_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_2_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_2_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000080862_2_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_2_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_2_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000080862_2_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_2_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_2_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000080862_2_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_2_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_2_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000080862_2_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_2_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_2_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000080862_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000080862_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000080862_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000080862_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000080862_ClassMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_ClassMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_ClassMember_AsOf_2014Member [Member]", "verboseLabel": "C000080862_ClassMember_AsOf_2014Member", "terseLabel": "C000080862_ClassMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000080862_ClassMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_ClassMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_ClassMember_AsOf_2015Member [Member]", "verboseLabel": "C000080862_ClassMember_AsOf_2015Member", "terseLabel": "C000080862_ClassMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000080862_ClassMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_ClassMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_ClassMember_AsOf_2016Member [Member]", "verboseLabel": "C000080862_ClassMember_AsOf_2016Member", "terseLabel": "C000080862_ClassMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000080862_ClassMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_ClassMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_ClassMember_AsOf_2017Member [Member]", "verboseLabel": "C000080862_ClassMember_AsOf_2017Member", "terseLabel": "C000080862_ClassMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000080862_ClassMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_ClassMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_ClassMember_AsOf_2018Member [Member]", "verboseLabel": "C000080862_ClassMember_AsOf_2018Member", "terseLabel": "C000080862_ClassMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000080862_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000080862_ClassMember_AsOf_2019Member", "terseLabel": "C000080862_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000080862_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000080862_ClassMember_AsOf_2020Member", "terseLabel": "C000080862_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000080862_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000080862_ClassMember_AsOf_2021Member", "terseLabel": "C000080862_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000080862_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000080862_ClassMember_AsOf_2022Member", "terseLabel": "C000080862_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000080862_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000080862_ClassMember_AsOf_2023Member", "terseLabel": "C000080862_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000080862_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000080862_ClassMember_AsOf_2024Member", "terseLabel": "C000080862_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000080862_LG_1_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_LG_1_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_LG_1_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000080862_LG_1_AdditionalIndexMember_11YRMember", "terseLabel": "C000080862_LG_1_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000080862_LG_2_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_LG_2_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_LG_2_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000080862_LG_2_AdditionalIndexMember_11YRMember", "terseLabel": "C000080862_LG_2_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000080862_LG_ClassMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_LG_ClassMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_LG_ClassMember_11YRMember [Member]", "verboseLabel": "C000080862_LG_ClassMember_11YRMember", "terseLabel": "C000080862_LG_ClassMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000080862_NoLoadClassMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_NoLoadClassMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_NoLoadClassMember_10YRMember [Member]", "verboseLabel": "C000080862_NoLoadClassMember_10YRMember", "terseLabel": "C000080862_NoLoadClassMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000080862_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000080862_NoLoadClassMember_1YRMember", "terseLabel": "C000080862_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000080862_NoLoadClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080862_NoLoadClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080862_NoLoadClassMember_5YRMember [Member]", "verboseLabel": "C000080862_NoLoadClassMember_5YRMember", "terseLabel": "C000080862_NoLoadClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000080864Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864 [Member]", "verboseLabel": "Fidelity Series International Value Fund", "terseLabel": "Fidelity Series International Value Fund" } } }, "auth_ref": [] }, "fmr_C000080864_0_AdditionalIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_0_AdditionalIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_0_AdditionalIndexMember_10YRMember [Member]", "verboseLabel": "C000080864_0_AdditionalIndexMember_10YRMember", "terseLabel": "C000080864_0_AdditionalIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000080864_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000080864_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000080864_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000080864_0_AdditionalIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_0_AdditionalIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_0_AdditionalIndexMember_5YRMember [Member]", "verboseLabel": "C000080864_0_AdditionalIndexMember_5YRMember", "terseLabel": "C000080864_0_AdditionalIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000080864_1_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_1_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_1_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000080864_1_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_1_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_1_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000080864_1_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_1_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_1_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000080864_1_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_1_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_1_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000080864_1_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_1_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_1_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000080864_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000080864_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000080864_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000080864_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000080864_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000080864_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000080864_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000080864_1_BBIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_1_BBIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_1_BBIndexMember_10YRMember [Member]", "verboseLabel": "C000080864_1_BBIndexMember_10YRMember", "terseLabel": "C000080864_1_BBIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000080864_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000080864_1_BBIndexMember_1YRMember", "terseLabel": "C000080864_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000080864_1_BBIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_1_BBIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_1_BBIndexMember_5YRMember [Member]", "verboseLabel": "C000080864_1_BBIndexMember_5YRMember", "terseLabel": "C000080864_1_BBIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000080864_2_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_2_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_2_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000080864_2_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_2_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_2_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000080864_2_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_2_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_2_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000080864_2_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_2_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_2_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000080864_2_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_2_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_2_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000080864_2_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_2_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_2_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000080864_2_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_2_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_2_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000080864_2_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_2_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_2_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000080864_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000080864_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000080864_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000080864_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000080864_ClassMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_ClassMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_ClassMember_AsOf_2014Member [Member]", "verboseLabel": "C000080864_ClassMember_AsOf_2014Member", "terseLabel": "C000080864_ClassMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000080864_ClassMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_ClassMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_ClassMember_AsOf_2015Member [Member]", "verboseLabel": "C000080864_ClassMember_AsOf_2015Member", "terseLabel": "C000080864_ClassMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000080864_ClassMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_ClassMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_ClassMember_AsOf_2016Member [Member]", "verboseLabel": "C000080864_ClassMember_AsOf_2016Member", "terseLabel": "C000080864_ClassMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000080864_ClassMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_ClassMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_ClassMember_AsOf_2017Member [Member]", "verboseLabel": "C000080864_ClassMember_AsOf_2017Member", "terseLabel": "C000080864_ClassMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000080864_ClassMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_ClassMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_ClassMember_AsOf_2018Member [Member]", "verboseLabel": "C000080864_ClassMember_AsOf_2018Member", "terseLabel": "C000080864_ClassMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000080864_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000080864_ClassMember_AsOf_2019Member", "terseLabel": "C000080864_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000080864_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000080864_ClassMember_AsOf_2020Member", "terseLabel": "C000080864_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000080864_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000080864_ClassMember_AsOf_2021Member", "terseLabel": "C000080864_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000080864_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000080864_ClassMember_AsOf_2022Member", "terseLabel": "C000080864_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000080864_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000080864_ClassMember_AsOf_2023Member", "terseLabel": "C000080864_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000080864_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000080864_ClassMember_AsOf_2024Member", "terseLabel": "C000080864_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000080864_LG_1_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_LG_1_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_LG_1_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000080864_LG_1_AdditionalIndexMember_11YRMember", "terseLabel": "C000080864_LG_1_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000080864_LG_2_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_LG_2_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_LG_2_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000080864_LG_2_AdditionalIndexMember_11YRMember", "terseLabel": "C000080864_LG_2_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000080864_LG_ClassMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_LG_ClassMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_LG_ClassMember_11YRMember [Member]", "verboseLabel": "C000080864_LG_ClassMember_11YRMember", "terseLabel": "C000080864_LG_ClassMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000080864_NoLoadClassMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_NoLoadClassMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_NoLoadClassMember_10YRMember [Member]", "verboseLabel": "C000080864_NoLoadClassMember_10YRMember", "terseLabel": "C000080864_NoLoadClassMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000080864_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000080864_NoLoadClassMember_1YRMember", "terseLabel": "C000080864_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000080864_NoLoadClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080864_NoLoadClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080864_NoLoadClassMember_5YRMember [Member]", "verboseLabel": "C000080864_NoLoadClassMember_5YRMember", "terseLabel": "C000080864_NoLoadClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000080866Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866 [Member]", "verboseLabel": "Fidelity Series International Small Cap Fund", "terseLabel": "Fidelity Series International Small Cap Fund" } } }, "auth_ref": [] }, "fmr_C000080866_0_AdditionalIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_0_AdditionalIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_0_AdditionalIndexMember_10YRMember [Member]", "verboseLabel": "C000080866_0_AdditionalIndexMember_10YRMember", "terseLabel": "C000080866_0_AdditionalIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000080866_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000080866_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000080866_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000080866_0_AdditionalIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_0_AdditionalIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_0_AdditionalIndexMember_5YRMember [Member]", "verboseLabel": "C000080866_0_AdditionalIndexMember_5YRMember", "terseLabel": "C000080866_0_AdditionalIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000080866_1_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_1_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_1_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000080866_1_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_1_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_1_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000080866_1_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_1_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_1_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000080866_1_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_1_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_1_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000080866_1_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_1_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_1_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000080866_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000080866_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000080866_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000080866_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000080866_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000080866_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000080866_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000080866_1_BBIndexMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_1_BBIndexMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_1_BBIndexMember_10YRMember [Member]", "verboseLabel": "C000080866_1_BBIndexMember_10YRMember", "terseLabel": "C000080866_1_BBIndexMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000080866_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000080866_1_BBIndexMember_1YRMember", "terseLabel": "C000080866_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000080866_1_BBIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_1_BBIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_1_BBIndexMember_5YRMember [Member]", "verboseLabel": "C000080866_1_BBIndexMember_5YRMember", "terseLabel": "C000080866_1_BBIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000080866_2_AdditionalIndexMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_2_AdditionalIndexMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_2_AdditionalIndexMember_AsOf_2014Member [Member]", "verboseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2014Member", "terseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000080866_2_AdditionalIndexMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_2_AdditionalIndexMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_2_AdditionalIndexMember_AsOf_2015Member [Member]", "verboseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2015Member", "terseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000080866_2_AdditionalIndexMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_2_AdditionalIndexMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_2_AdditionalIndexMember_AsOf_2016Member [Member]", "verboseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2016Member", "terseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000080866_2_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_2_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_2_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000080866_2_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_2_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_2_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000080866_2_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_2_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_2_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000080866_2_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_2_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_2_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000080866_2_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_2_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_2_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000080866_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000080866_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000080866_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000080866_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000080866_ClassMember_AsOf_2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_ClassMember_AsOf_2014Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_ClassMember_AsOf_2014Member [Member]", "verboseLabel": "C000080866_ClassMember_AsOf_2014Member", "terseLabel": "C000080866_ClassMember_AsOf_2014Member" } } }, "auth_ref": [] }, "fmr_C000080866_ClassMember_AsOf_2015Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_ClassMember_AsOf_2015Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_ClassMember_AsOf_2015Member [Member]", "verboseLabel": "C000080866_ClassMember_AsOf_2015Member", "terseLabel": "C000080866_ClassMember_AsOf_2015Member" } } }, "auth_ref": [] }, "fmr_C000080866_ClassMember_AsOf_2016Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_ClassMember_AsOf_2016Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_ClassMember_AsOf_2016Member [Member]", "verboseLabel": "C000080866_ClassMember_AsOf_2016Member", "terseLabel": "C000080866_ClassMember_AsOf_2016Member" } } }, "auth_ref": [] }, "fmr_C000080866_ClassMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_ClassMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_ClassMember_AsOf_2017Member [Member]", "verboseLabel": "C000080866_ClassMember_AsOf_2017Member", "terseLabel": "C000080866_ClassMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000080866_ClassMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_ClassMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_ClassMember_AsOf_2018Member [Member]", "verboseLabel": "C000080866_ClassMember_AsOf_2018Member", "terseLabel": "C000080866_ClassMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000080866_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000080866_ClassMember_AsOf_2019Member", "terseLabel": "C000080866_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000080866_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000080866_ClassMember_AsOf_2020Member", "terseLabel": "C000080866_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000080866_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000080866_ClassMember_AsOf_2021Member", "terseLabel": "C000080866_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000080866_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000080866_ClassMember_AsOf_2022Member", "terseLabel": "C000080866_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000080866_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000080866_ClassMember_AsOf_2023Member", "terseLabel": "C000080866_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000080866_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000080866_ClassMember_AsOf_2024Member", "terseLabel": "C000080866_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000080866_LG_1_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_LG_1_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_LG_1_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000080866_LG_1_AdditionalIndexMember_11YRMember", "terseLabel": "C000080866_LG_1_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000080866_LG_2_AdditionalIndexMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_LG_2_AdditionalIndexMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_LG_2_AdditionalIndexMember_11YRMember [Member]", "verboseLabel": "C000080866_LG_2_AdditionalIndexMember_11YRMember", "terseLabel": "C000080866_LG_2_AdditionalIndexMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000080866_LG_ClassMember_11YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_LG_ClassMember_11YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_LG_ClassMember_11YRMember [Member]", "verboseLabel": "C000080866_LG_ClassMember_11YRMember", "terseLabel": "C000080866_LG_ClassMember_11YRMember" } } }, "auth_ref": [] }, "fmr_C000080866_NoLoadClassMember_10YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_NoLoadClassMember_10YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_NoLoadClassMember_10YRMember [Member]", "verboseLabel": "C000080866_NoLoadClassMember_10YRMember", "terseLabel": "C000080866_NoLoadClassMember_10YRMember" } } }, "auth_ref": [] }, "fmr_C000080866_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000080866_NoLoadClassMember_1YRMember", "terseLabel": "C000080866_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000080866_NoLoadClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000080866_NoLoadClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000080866_NoLoadClassMember_5YRMember [Member]", "verboseLabel": "C000080866_NoLoadClassMember_5YRMember", "terseLabel": "C000080866_NoLoadClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000191329Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329 [Member]", "verboseLabel": "Fidelity Series Canada Fund", "terseLabel": "Fidelity Series Canada Fund" } } }, "auth_ref": [] }, "fmr_C000191329_0_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_0_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_0_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000191329_0_BBIndexMember_1YRMember", "terseLabel": "C000191329_0_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000191329_0_BBIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_0_BBIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_0_BBIndexMember_5YRMember [Member]", "verboseLabel": "C000191329_0_BBIndexMember_5YRMember", "terseLabel": "C000191329_0_BBIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000191329_0_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_0_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_0_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000191329_0_BBIndexMember_LOCMember", "terseLabel": "C000191329_0_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000191329_1_AdditionalIndexMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_1_AdditionalIndexMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_1_AdditionalIndexMember_AsOf_2017Member [Member]", "verboseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2017Member", "terseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000191329_1_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_1_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_1_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000191329_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000191329_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000191329_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000191329_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000191329_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000191329_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000191329_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000191329_ClassMember_AsOf_2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_ClassMember_AsOf_2017Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_ClassMember_AsOf_2017Member [Member]", "verboseLabel": "C000191329_ClassMember_AsOf_2017Member", "terseLabel": "C000191329_ClassMember_AsOf_2017Member" } } }, "auth_ref": [] }, "fmr_C000191329_ClassMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_ClassMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_ClassMember_AsOf_2018Member [Member]", "verboseLabel": "C000191329_ClassMember_AsOf_2018Member", "terseLabel": "C000191329_ClassMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000191329_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000191329_ClassMember_AsOf_2019Member", "terseLabel": "C000191329_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000191329_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000191329_ClassMember_AsOf_2020Member", "terseLabel": "C000191329_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000191329_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000191329_ClassMember_AsOf_2021Member", "terseLabel": "C000191329_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000191329_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000191329_ClassMember_AsOf_2022Member", "terseLabel": "C000191329_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000191329_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000191329_ClassMember_AsOf_2023Member", "terseLabel": "C000191329_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000191329_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000191329_ClassMember_AsOf_2024Member", "terseLabel": "C000191329_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000191329_LG_1_AdditionalIndexMember_8YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_LG_1_AdditionalIndexMember_8YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_LG_1_AdditionalIndexMember_8YRMember [Member]", "verboseLabel": "C000191329_LG_1_AdditionalIndexMember_8YRMember", "terseLabel": "C000191329_LG_1_AdditionalIndexMember_8YRMember" } } }, "auth_ref": [] }, "fmr_C000191329_LG_ClassMember_8YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_LG_ClassMember_8YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_LG_ClassMember_8YRMember [Member]", "verboseLabel": "C000191329_LG_ClassMember_8YRMember", "terseLabel": "C000191329_LG_ClassMember_8YRMember" } } }, "auth_ref": [] }, "fmr_C000191329_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000191329_NoLoadClassMember_1YRMember", "terseLabel": "C000191329_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000191329_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000191329_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000191329_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000191329_NoLoadClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000191329_NoLoadClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000191329_NoLoadClassMember_5YRMember [Member]", "verboseLabel": "C000191329_NoLoadClassMember_5YRMember", "terseLabel": "C000191329_NoLoadClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000203452Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452 [Member]", "verboseLabel": "Fidelity Series Emerging Markets Fund", "terseLabel": "Fidelity Series Emerging Markets Fund" } } }, "auth_ref": [] }, "fmr_C000203452_0_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_0_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_0_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000203452_0_BBIndexMember_1YRMember", "terseLabel": "C000203452_0_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000203452_0_BBIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_0_BBIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_0_BBIndexMember_5YRMember [Member]", "verboseLabel": "C000203452_0_BBIndexMember_5YRMember", "terseLabel": "C000203452_0_BBIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000203452_0_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_0_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_0_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000203452_0_BBIndexMember_LOCMember", "terseLabel": "C000203452_0_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000203452_1_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_1_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_1_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000203452_1_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000203452_1_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000203452_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000203452_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000203452_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000203452_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000203452_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000203452_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000203452_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000203452_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000203452_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000203452_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000203452_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000203452_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000203452_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000203452_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000203452_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000203452_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000203452_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000203452_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000203452_ClassMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_ClassMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_ClassMember_AsOf_2018Member [Member]", "verboseLabel": "C000203452_ClassMember_AsOf_2018Member", "terseLabel": "C000203452_ClassMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000203452_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000203452_ClassMember_AsOf_2019Member", "terseLabel": "C000203452_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000203452_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000203452_ClassMember_AsOf_2020Member", "terseLabel": "C000203452_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000203452_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000203452_ClassMember_AsOf_2021Member", "terseLabel": "C000203452_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000203452_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000203452_ClassMember_AsOf_2022Member", "terseLabel": "C000203452_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000203452_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000203452_ClassMember_AsOf_2023Member", "terseLabel": "C000203452_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000203452_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000203452_ClassMember_AsOf_2024Member", "terseLabel": "C000203452_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000203452_LG_1_AdditionalIndexMember_7YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_LG_1_AdditionalIndexMember_7YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_LG_1_AdditionalIndexMember_7YRMember [Member]", "verboseLabel": "C000203452_LG_1_AdditionalIndexMember_7YRMember", "terseLabel": "C000203452_LG_1_AdditionalIndexMember_7YRMember" } } }, "auth_ref": [] }, "fmr_C000203452_LG_ClassMember_7YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_LG_ClassMember_7YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_LG_ClassMember_7YRMember [Member]", "verboseLabel": "C000203452_LG_ClassMember_7YRMember", "terseLabel": "C000203452_LG_ClassMember_7YRMember" } } }, "auth_ref": [] }, "fmr_C000203452_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000203452_NoLoadClassMember_1YRMember", "terseLabel": "C000203452_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000203452_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000203452_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000203452_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000203452_NoLoadClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000203452_NoLoadClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000203452_NoLoadClassMember_5YRMember [Member]", "verboseLabel": "C000203452_NoLoadClassMember_5YRMember", "terseLabel": "C000203452_NoLoadClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000205035Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035 [Member]", "verboseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class Z", "terseLabel": "Fidelity Advisor Global Commodity Stock Fund - Class Z" } } }, "auth_ref": [] }, "fmr_C000205035_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000205035_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000205035_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000205035_0_AdditionalIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_0_AdditionalIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_0_AdditionalIndexMember_5YRMember [Member]", "verboseLabel": "C000205035_0_AdditionalIndexMember_5YRMember", "terseLabel": "C000205035_0_AdditionalIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000205035_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000205035_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000205035_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000205035_1_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_1_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_1_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000205035_1_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000205035_1_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000205035_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000205035_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000205035_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000205035_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000205035_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000205035_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000205035_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000205035_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000205035_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000205035_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000205035_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000205035_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000205035_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000205035_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000205035_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000205035_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000205035_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000205035_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000205035_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000205035_1_BBIndexMember_1YRMember", "terseLabel": "C000205035_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000205035_1_BBIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_1_BBIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_1_BBIndexMember_5YRMember [Member]", "verboseLabel": "C000205035_1_BBIndexMember_5YRMember", "terseLabel": "C000205035_1_BBIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000205035_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000205035_1_BBIndexMember_LOCMember", "terseLabel": "C000205035_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000205035_2_AdditionalIndexMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_2_AdditionalIndexMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_2_AdditionalIndexMember_AsOf_2018Member [Member]", "verboseLabel": "C000205035_2_AdditionalIndexMember_AsOf_2018Member", "terseLabel": "C000205035_2_AdditionalIndexMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000205035_2_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_2_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_2_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000205035_2_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000205035_2_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000205035_2_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_2_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_2_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000205035_2_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000205035_2_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000205035_2_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_2_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_2_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000205035_2_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000205035_2_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000205035_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000205035_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000205035_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000205035_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000205035_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000205035_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000205035_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000205035_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000205035_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000205035_ClassMember_AsOf_2018Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_ClassMember_AsOf_2018Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_ClassMember_AsOf_2018Member [Member]", "verboseLabel": "C000205035_ClassMember_AsOf_2018Member", "terseLabel": "C000205035_ClassMember_AsOf_2018Member" } } }, "auth_ref": [] }, "fmr_C000205035_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000205035_ClassMember_AsOf_2019Member", "terseLabel": "C000205035_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000205035_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000205035_ClassMember_AsOf_2020Member", "terseLabel": "C000205035_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000205035_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000205035_ClassMember_AsOf_2021Member", "terseLabel": "C000205035_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000205035_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000205035_ClassMember_AsOf_2022Member", "terseLabel": "C000205035_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000205035_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000205035_ClassMember_AsOf_2023Member", "terseLabel": "C000205035_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000205035_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000205035_ClassMember_AsOf_2024Member", "terseLabel": "C000205035_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000205035_LG_1_AdditionalIndexMember_7YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_LG_1_AdditionalIndexMember_7YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_LG_1_AdditionalIndexMember_7YRMember [Member]", "verboseLabel": "C000205035_LG_1_AdditionalIndexMember_7YRMember", "terseLabel": "C000205035_LG_1_AdditionalIndexMember_7YRMember" } } }, "auth_ref": [] }, "fmr_C000205035_LG_2_AdditionalIndexMember_7YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_LG_2_AdditionalIndexMember_7YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_LG_2_AdditionalIndexMember_7YRMember [Member]", "verboseLabel": "C000205035_LG_2_AdditionalIndexMember_7YRMember", "terseLabel": "C000205035_LG_2_AdditionalIndexMember_7YRMember" } } }, "auth_ref": [] }, "fmr_C000205035_LG_ClassMember_7YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_LG_ClassMember_7YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_LG_ClassMember_7YRMember [Member]", "verboseLabel": "C000205035_LG_ClassMember_7YRMember", "terseLabel": "C000205035_LG_ClassMember_7YRMember" } } }, "auth_ref": [] }, "fmr_C000205035_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000205035_NoLoadClassMember_1YRMember", "terseLabel": "C000205035_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000205035_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000205035_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000205035_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000205035_NoLoadClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000205035_NoLoadClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000205035_NoLoadClassMember_5YRMember [Member]", "verboseLabel": "C000205035_NoLoadClassMember_5YRMember", "terseLabel": "C000205035_NoLoadClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000211072Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072 [Member]", "verboseLabel": "Fidelity SAI International SMA Completion Fund", "terseLabel": "Fidelity SAI International SMA Completion Fund" } } }, "auth_ref": [] }, "fmr_C000211072_0_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_0_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_0_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000211072_0_BBIndexMember_1YRMember", "terseLabel": "C000211072_0_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000211072_0_BBIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_0_BBIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_0_BBIndexMember_5YRMember [Member]", "verboseLabel": "C000211072_0_BBIndexMember_5YRMember", "terseLabel": "C000211072_0_BBIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000211072_0_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_0_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_0_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000211072_0_BBIndexMember_LOCMember", "terseLabel": "C000211072_0_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000211072_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000211072_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000211072_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000211072_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000211072_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000211072_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000211072_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000211072_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000211072_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000211072_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000211072_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000211072_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000211072_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000211072_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000211072_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000211072_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000211072_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000211072_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000211072_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000211072_ClassMember_AsOf_2019Member", "terseLabel": "C000211072_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000211072_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000211072_ClassMember_AsOf_2020Member", "terseLabel": "C000211072_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000211072_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000211072_ClassMember_AsOf_2021Member", "terseLabel": "C000211072_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000211072_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000211072_ClassMember_AsOf_2022Member", "terseLabel": "C000211072_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000211072_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000211072_ClassMember_AsOf_2023Member", "terseLabel": "C000211072_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000211072_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000211072_ClassMember_AsOf_2024Member", "terseLabel": "C000211072_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000211072_LG_1_AdditionalIndexMember_6YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_LG_1_AdditionalIndexMember_6YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_LG_1_AdditionalIndexMember_6YRMember [Member]", "verboseLabel": "C000211072_LG_1_AdditionalIndexMember_6YRMember", "terseLabel": "C000211072_LG_1_AdditionalIndexMember_6YRMember" } } }, "auth_ref": [] }, "fmr_C000211072_LG_ClassMember_6YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_LG_ClassMember_6YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_LG_ClassMember_6YRMember [Member]", "verboseLabel": "C000211072_LG_ClassMember_6YRMember", "terseLabel": "C000211072_LG_ClassMember_6YRMember" } } }, "auth_ref": [] }, "fmr_C000211072_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000211072_NoLoadClassMember_1YRMember", "terseLabel": "C000211072_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000211072_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000211072_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000211072_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000211072_NoLoadClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000211072_NoLoadClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000211072_NoLoadClassMember_5YRMember [Member]", "verboseLabel": "C000211072_NoLoadClassMember_5YRMember", "terseLabel": "C000211072_NoLoadClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000212505Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505 [Member]", "verboseLabel": "Fidelity Series Overseas Fund", "terseLabel": "Fidelity Series Overseas Fund" } } }, "auth_ref": [] }, "fmr_C000212505_0_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_0_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_0_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000212505_0_BBIndexMember_1YRMember", "terseLabel": "C000212505_0_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000212505_0_BBIndexMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_0_BBIndexMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_0_BBIndexMember_5YRMember [Member]", "verboseLabel": "C000212505_0_BBIndexMember_5YRMember", "terseLabel": "C000212505_0_BBIndexMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000212505_0_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_0_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_0_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000212505_0_BBIndexMember_LOCMember", "terseLabel": "C000212505_0_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000212505_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000212505_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000212505_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000212505_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000212505_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000212505_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000212505_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000212505_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000212505_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000212505_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000212505_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000212505_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000212505_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000212505_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000212505_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000212505_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000212505_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000212505_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000212505_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000212505_ClassMember_AsOf_2019Member", "terseLabel": "C000212505_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000212505_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000212505_ClassMember_AsOf_2020Member", "terseLabel": "C000212505_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000212505_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000212505_ClassMember_AsOf_2021Member", "terseLabel": "C000212505_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000212505_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000212505_ClassMember_AsOf_2022Member", "terseLabel": "C000212505_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000212505_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000212505_ClassMember_AsOf_2023Member", "terseLabel": "C000212505_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000212505_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000212505_ClassMember_AsOf_2024Member", "terseLabel": "C000212505_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000212505_LG_1_AdditionalIndexMember_6YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_LG_1_AdditionalIndexMember_6YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_LG_1_AdditionalIndexMember_6YRMember [Member]", "verboseLabel": "C000212505_LG_1_AdditionalIndexMember_6YRMember", "terseLabel": "C000212505_LG_1_AdditionalIndexMember_6YRMember" } } }, "auth_ref": [] }, "fmr_C000212505_LG_ClassMember_6YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_LG_ClassMember_6YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_LG_ClassMember_6YRMember [Member]", "verboseLabel": "C000212505_LG_ClassMember_6YRMember", "terseLabel": "C000212505_LG_ClassMember_6YRMember" } } }, "auth_ref": [] }, "fmr_C000212505_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000212505_NoLoadClassMember_1YRMember", "terseLabel": "C000212505_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000212505_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000212505_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000212505_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000212505_NoLoadClassMember_5YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000212505_NoLoadClassMember_5YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000212505_NoLoadClassMember_5YRMember [Member]", "verboseLabel": "C000212505_NoLoadClassMember_5YRMember", "terseLabel": "C000212505_NoLoadClassMember_5YRMember" } } }, "auth_ref": [] }, "fmr_C000215141Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141 [Member]", "verboseLabel": "Fidelity Infrastructure Fund", "terseLabel": "Fidelity Infrastructure Fund" } } }, "auth_ref": [] }, "fmr_C000215141_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000215141_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000215141_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000215141_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000215141_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000215141_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000215141_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000215141_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000215141_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000215141_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000215141_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000215141_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000215141_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000215141_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000215141_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000215141_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000215141_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000215141_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000215141_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000215141_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000215141_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000215141_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000215141_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000215141_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000215141_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000215141_1_BBIndexMember_1YRMember", "terseLabel": "C000215141_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000215141_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000215141_1_BBIndexMember_LOCMember", "terseLabel": "C000215141_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000215141_2_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_2_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_2_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000215141_2_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000215141_2_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000215141_2_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_2_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_2_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000215141_2_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000215141_2_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000215141_2_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_2_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_2_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000215141_2_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000215141_2_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000215141_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000215141_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000215141_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000215141_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000215141_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000215141_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000215141_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000215141_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000215141_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000215141_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000215141_ClassMember_AsOf_2019Member", "terseLabel": "C000215141_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000215141_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000215141_ClassMember_AsOf_2020Member", "terseLabel": "C000215141_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000215141_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000215141_ClassMember_AsOf_2021Member", "terseLabel": "C000215141_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000215141_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000215141_ClassMember_AsOf_2022Member", "terseLabel": "C000215141_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000215141_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000215141_ClassMember_AsOf_2023Member", "terseLabel": "C000215141_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000215141_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000215141_ClassMember_AsOf_2024Member", "terseLabel": "C000215141_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000215141_LG_1_AdditionalIndexMember_6YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_LG_1_AdditionalIndexMember_6YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_LG_1_AdditionalIndexMember_6YRMember [Member]", "verboseLabel": "C000215141_LG_1_AdditionalIndexMember_6YRMember", "terseLabel": "C000215141_LG_1_AdditionalIndexMember_6YRMember" } } }, "auth_ref": [] }, "fmr_C000215141_LG_2_AdditionalIndexMember_6YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_LG_2_AdditionalIndexMember_6YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_LG_2_AdditionalIndexMember_6YRMember [Member]", "verboseLabel": "C000215141_LG_2_AdditionalIndexMember_6YRMember", "terseLabel": "C000215141_LG_2_AdditionalIndexMember_6YRMember" } } }, "auth_ref": [] }, "fmr_C000215141_LG_ClassMember_6YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_LG_ClassMember_6YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_LG_ClassMember_6YRMember [Member]", "verboseLabel": "C000215141_LG_ClassMember_6YRMember", "terseLabel": "C000215141_LG_ClassMember_6YRMember" } } }, "auth_ref": [] }, "fmr_C000215141_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000215141_NoLoadClassMember_1YRMember", "terseLabel": "C000215141_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000215141_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215141_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215141_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000215141_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000215141_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000215142Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142 [Member]", "verboseLabel": "Fidelity Enduring Opportunities Fund", "terseLabel": "Fidelity Enduring Opportunities Fund" } } }, "auth_ref": [] }, "fmr_C000215142_0_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_0_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_0_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000215142_0_BBIndexMember_1YRMember", "terseLabel": "C000215142_0_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000215142_0_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_0_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_0_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000215142_0_BBIndexMember_LOCMember", "terseLabel": "C000215142_0_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000215142_1_AdditionalIndexMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_1_AdditionalIndexMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_1_AdditionalIndexMember_AsOf_2019Member [Member]", "verboseLabel": "C000215142_1_AdditionalIndexMember_AsOf_2019Member", "terseLabel": "C000215142_1_AdditionalIndexMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000215142_1_AdditionalIndexMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_1_AdditionalIndexMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_1_AdditionalIndexMember_AsOf_2020Member [Member]", "verboseLabel": "C000215142_1_AdditionalIndexMember_AsOf_2020Member", "terseLabel": "C000215142_1_AdditionalIndexMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000215142_1_AdditionalIndexMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_1_AdditionalIndexMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_1_AdditionalIndexMember_AsOf_2021Member [Member]", "verboseLabel": "C000215142_1_AdditionalIndexMember_AsOf_2021Member", "terseLabel": "C000215142_1_AdditionalIndexMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000215142_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000215142_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000215142_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000215142_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000215142_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000215142_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000215142_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000215142_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000215142_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000215142_ClassMember_AsOf_2019Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_ClassMember_AsOf_2019Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_ClassMember_AsOf_2019Member [Member]", "verboseLabel": "C000215142_ClassMember_AsOf_2019Member", "terseLabel": "C000215142_ClassMember_AsOf_2019Member" } } }, "auth_ref": [] }, "fmr_C000215142_ClassMember_AsOf_2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_ClassMember_AsOf_2020Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_ClassMember_AsOf_2020Member [Member]", "verboseLabel": "C000215142_ClassMember_AsOf_2020Member", "terseLabel": "C000215142_ClassMember_AsOf_2020Member" } } }, "auth_ref": [] }, "fmr_C000215142_ClassMember_AsOf_2021Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_ClassMember_AsOf_2021Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_ClassMember_AsOf_2021Member [Member]", "verboseLabel": "C000215142_ClassMember_AsOf_2021Member", "terseLabel": "C000215142_ClassMember_AsOf_2021Member" } } }, "auth_ref": [] }, "fmr_C000215142_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000215142_ClassMember_AsOf_2022Member", "terseLabel": "C000215142_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000215142_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000215142_ClassMember_AsOf_2023Member", "terseLabel": "C000215142_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000215142_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000215142_ClassMember_AsOf_2024Member", "terseLabel": "C000215142_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000215142_LG_1_AdditionalIndexMember_6YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_LG_1_AdditionalIndexMember_6YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_LG_1_AdditionalIndexMember_6YRMember [Member]", "verboseLabel": "C000215142_LG_1_AdditionalIndexMember_6YRMember", "terseLabel": "C000215142_LG_1_AdditionalIndexMember_6YRMember" } } }, "auth_ref": [] }, "fmr_C000215142_LG_ClassMember_6YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_LG_ClassMember_6YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_LG_ClassMember_6YRMember [Member]", "verboseLabel": "C000215142_LG_ClassMember_6YRMember", "terseLabel": "C000215142_LG_ClassMember_6YRMember" } } }, "auth_ref": [] }, "fmr_C000215142_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000215142_NoLoadClassMember_1YRMember", "terseLabel": "C000215142_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000215142_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000215142_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000215142_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000215142_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000215142_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234201Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201 [Member]", "verboseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class M", "terseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class M" } } }, "auth_ref": [] }, "fmr_C000234201_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000234201_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000234201_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234201_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000234201_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000234201_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234201_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234201_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234201_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234201_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234201_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234201_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234201_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234201_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234201_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234201_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000234201_1_BBIndexMember_1YRMember", "terseLabel": "C000234201_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234201_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000234201_1_BBIndexMember_LOCMember", "terseLabel": "C000234201_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234201_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234201_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234201_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234201_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234201_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234201_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234201_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234201_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234201_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234201_ClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_ClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_ClassMember_1YRMember [Member]", "verboseLabel": "C000234201_ClassMember_1YRMember", "terseLabel": "C000234201_ClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234201_ClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_ClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_ClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234201_ClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234201_ClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234201_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000234201_ClassMember_AsOf_2022Member", "terseLabel": "C000234201_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234201_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000234201_ClassMember_AsOf_2023Member", "terseLabel": "C000234201_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234201_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000234201_ClassMember_AsOf_2024Member", "terseLabel": "C000234201_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234201_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234201_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000234201_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234201_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234201_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000234201_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234201_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000234201_LG_ClassMember_3YRMember", "terseLabel": "C000234201_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234201_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000234201_NoLoadClassMember_1YRMember", "terseLabel": "C000234201_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234201_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234201_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234201_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234201_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234201_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234202Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202 [Member]", "verboseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class C", "terseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class C" } } }, "auth_ref": [] }, "fmr_C000234202_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000234202_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000234202_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234202_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000234202_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000234202_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234202_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234202_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234202_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234202_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234202_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234202_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234202_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234202_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234202_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234202_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000234202_1_BBIndexMember_1YRMember", "terseLabel": "C000234202_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234202_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000234202_1_BBIndexMember_LOCMember", "terseLabel": "C000234202_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234202_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234202_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234202_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234202_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234202_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234202_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234202_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234202_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234202_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234202_ClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_ClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_ClassMember_1YRMember [Member]", "verboseLabel": "C000234202_ClassMember_1YRMember", "terseLabel": "C000234202_ClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234202_ClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_ClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_ClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234202_ClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234202_ClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234202_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000234202_ClassMember_AsOf_2022Member", "terseLabel": "C000234202_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234202_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000234202_ClassMember_AsOf_2023Member", "terseLabel": "C000234202_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234202_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000234202_ClassMember_AsOf_2024Member", "terseLabel": "C000234202_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234202_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234202_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000234202_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234202_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234202_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000234202_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234202_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000234202_LG_ClassMember_3YRMember", "terseLabel": "C000234202_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234202_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000234202_NoLoadClassMember_1YRMember", "terseLabel": "C000234202_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234202_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234202_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234202_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234202_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234202_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234203Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203 [Member]", "verboseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class I", "terseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class I" } } }, "auth_ref": [] }, "fmr_C000234203_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000234203_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000234203_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234203_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000234203_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000234203_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234203_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234203_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234203_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234203_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234203_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234203_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234203_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234203_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234203_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234203_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000234203_1_BBIndexMember_1YRMember", "terseLabel": "C000234203_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234203_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000234203_1_BBIndexMember_LOCMember", "terseLabel": "C000234203_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234203_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234203_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234203_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234203_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234203_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234203_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234203_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234203_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234203_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234203_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000234203_ClassMember_AsOf_2022Member", "terseLabel": "C000234203_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234203_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000234203_ClassMember_AsOf_2023Member", "terseLabel": "C000234203_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234203_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000234203_ClassMember_AsOf_2024Member", "terseLabel": "C000234203_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234203_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234203_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000234203_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234203_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234203_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000234203_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234203_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000234203_LG_ClassMember_3YRMember", "terseLabel": "C000234203_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234203_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000234203_NoLoadClassMember_1YRMember", "terseLabel": "C000234203_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234203_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234203_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234203_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234203_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234203_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234204Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204 [Member]", "verboseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class Z", "terseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class Z" } } }, "auth_ref": [] }, "fmr_C000234204_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000234204_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000234204_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234204_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000234204_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000234204_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234204_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234204_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234204_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234204_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234204_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234204_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234204_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234204_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234204_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234204_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000234204_1_BBIndexMember_1YRMember", "terseLabel": "C000234204_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234204_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000234204_1_BBIndexMember_LOCMember", "terseLabel": "C000234204_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234204_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234204_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234204_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234204_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234204_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234204_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234204_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234204_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234204_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234204_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000234204_ClassMember_AsOf_2022Member", "terseLabel": "C000234204_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234204_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000234204_ClassMember_AsOf_2023Member", "terseLabel": "C000234204_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234204_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000234204_ClassMember_AsOf_2024Member", "terseLabel": "C000234204_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234204_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234204_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000234204_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234204_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234204_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000234204_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234204_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000234204_LG_ClassMember_3YRMember", "terseLabel": "C000234204_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234204_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000234204_NoLoadClassMember_1YRMember", "terseLabel": "C000234204_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234204_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234204_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234204_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234204_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234204_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234205Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205 [Member]", "verboseLabel": "Fidelity Sustainable Emerging Markets Equity Fund", "terseLabel": "Fidelity Sustainable Emerging Markets Equity Fund" } } }, "auth_ref": [] }, "fmr_C000234205_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000234205_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000234205_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234205_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000234205_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000234205_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234205_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234205_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234205_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234205_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234205_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234205_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234205_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234205_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234205_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234205_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000234205_1_BBIndexMember_1YRMember", "terseLabel": "C000234205_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234205_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000234205_1_BBIndexMember_LOCMember", "terseLabel": "C000234205_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234205_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234205_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234205_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234205_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234205_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234205_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234205_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234205_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234205_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234205_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000234205_ClassMember_AsOf_2022Member", "terseLabel": "C000234205_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234205_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000234205_ClassMember_AsOf_2023Member", "terseLabel": "C000234205_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234205_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000234205_ClassMember_AsOf_2024Member", "terseLabel": "C000234205_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234205_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234205_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000234205_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234205_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234205_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000234205_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234205_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000234205_LG_ClassMember_3YRMember", "terseLabel": "C000234205_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234205_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000234205_NoLoadClassMember_1YRMember", "terseLabel": "C000234205_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234205_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234205_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234205_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234205_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234205_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234206Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206 [Member]", "verboseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class A", "terseLabel": "Fidelity Advisor Sustainable Emerging Markets Equity Fund - Class A" } } }, "auth_ref": [] }, "fmr_C000234206_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000234206_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000234206_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234206_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000234206_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000234206_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234206_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234206_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234206_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234206_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234206_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234206_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234206_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234206_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234206_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234206_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000234206_1_BBIndexMember_1YRMember", "terseLabel": "C000234206_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234206_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000234206_1_BBIndexMember_LOCMember", "terseLabel": "C000234206_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234206_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234206_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234206_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234206_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234206_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234206_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234206_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234206_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234206_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234206_ClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_ClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_ClassMember_1YRMember [Member]", "verboseLabel": "C000234206_ClassMember_1YRMember", "terseLabel": "C000234206_ClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234206_ClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_ClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_ClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234206_ClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234206_ClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234206_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000234206_ClassMember_AsOf_2022Member", "terseLabel": "C000234206_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234206_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000234206_ClassMember_AsOf_2023Member", "terseLabel": "C000234206_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234206_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000234206_ClassMember_AsOf_2024Member", "terseLabel": "C000234206_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234206_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234206_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000234206_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234206_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234206_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000234206_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234206_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000234206_LG_ClassMember_3YRMember", "terseLabel": "C000234206_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234206_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000234206_NoLoadClassMember_1YRMember", "terseLabel": "C000234206_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234206_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234206_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234206_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234206_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234206_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234207Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207 [Member]", "verboseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class M", "terseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class M" } } }, "auth_ref": [] }, "fmr_C000234207_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000234207_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000234207_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234207_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000234207_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000234207_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234207_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234207_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234207_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234207_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234207_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234207_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234207_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234207_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234207_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234207_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000234207_1_BBIndexMember_1YRMember", "terseLabel": "C000234207_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234207_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000234207_1_BBIndexMember_LOCMember", "terseLabel": "C000234207_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234207_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234207_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234207_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234207_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234207_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234207_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234207_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234207_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234207_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234207_ClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_ClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_ClassMember_1YRMember [Member]", "verboseLabel": "C000234207_ClassMember_1YRMember", "terseLabel": "C000234207_ClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234207_ClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_ClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_ClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234207_ClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234207_ClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234207_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000234207_ClassMember_AsOf_2022Member", "terseLabel": "C000234207_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234207_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000234207_ClassMember_AsOf_2023Member", "terseLabel": "C000234207_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234207_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000234207_ClassMember_AsOf_2024Member", "terseLabel": "C000234207_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234207_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234207_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000234207_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234207_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234207_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000234207_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234207_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000234207_LG_ClassMember_3YRMember", "terseLabel": "C000234207_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234207_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000234207_NoLoadClassMember_1YRMember", "terseLabel": "C000234207_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234207_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234207_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234207_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234207_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234207_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234208Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208 [Member]", "verboseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class C", "terseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class C" } } }, "auth_ref": [] }, "fmr_C000234208_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000234208_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000234208_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234208_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000234208_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000234208_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234208_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234208_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234208_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234208_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234208_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234208_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234208_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234208_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234208_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234208_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000234208_1_BBIndexMember_1YRMember", "terseLabel": "C000234208_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234208_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000234208_1_BBIndexMember_LOCMember", "terseLabel": "C000234208_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234208_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234208_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234208_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234208_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234208_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234208_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234208_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234208_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234208_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234208_ClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_ClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_ClassMember_1YRMember [Member]", "verboseLabel": "C000234208_ClassMember_1YRMember", "terseLabel": "C000234208_ClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234208_ClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_ClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_ClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234208_ClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234208_ClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234208_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000234208_ClassMember_AsOf_2022Member", "terseLabel": "C000234208_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234208_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000234208_ClassMember_AsOf_2023Member", "terseLabel": "C000234208_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234208_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000234208_ClassMember_AsOf_2024Member", "terseLabel": "C000234208_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234208_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234208_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000234208_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234208_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234208_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000234208_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234208_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000234208_LG_ClassMember_3YRMember", "terseLabel": "C000234208_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234208_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000234208_NoLoadClassMember_1YRMember", "terseLabel": "C000234208_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234208_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234208_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234208_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234208_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234208_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234209Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209 [Member]", "verboseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class I", "terseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class I" } } }, "auth_ref": [] }, "fmr_C000234209_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000234209_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000234209_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234209_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000234209_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000234209_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234209_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234209_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234209_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234209_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234209_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234209_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234209_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234209_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234209_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234209_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000234209_1_BBIndexMember_1YRMember", "terseLabel": "C000234209_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234209_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000234209_1_BBIndexMember_LOCMember", "terseLabel": "C000234209_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234209_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234209_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234209_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234209_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234209_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234209_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234209_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234209_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234209_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234209_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000234209_ClassMember_AsOf_2022Member", "terseLabel": "C000234209_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234209_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000234209_ClassMember_AsOf_2023Member", "terseLabel": "C000234209_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234209_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000234209_ClassMember_AsOf_2024Member", "terseLabel": "C000234209_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234209_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234209_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000234209_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234209_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234209_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000234209_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234209_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000234209_LG_ClassMember_3YRMember", "terseLabel": "C000234209_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234209_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000234209_NoLoadClassMember_1YRMember", "terseLabel": "C000234209_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234209_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234209_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234209_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234209_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234209_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234210Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210 [Member]", "verboseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class Z", "terseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class Z" } } }, "auth_ref": [] }, "fmr_C000234210_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000234210_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000234210_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234210_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000234210_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000234210_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234210_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234210_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234210_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234210_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234210_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234210_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234210_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234210_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234210_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234210_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000234210_1_BBIndexMember_1YRMember", "terseLabel": "C000234210_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234210_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000234210_1_BBIndexMember_LOCMember", "terseLabel": "C000234210_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234210_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234210_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234210_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234210_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234210_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234210_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234210_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234210_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234210_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234210_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000234210_ClassMember_AsOf_2022Member", "terseLabel": "C000234210_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234210_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000234210_ClassMember_AsOf_2023Member", "terseLabel": "C000234210_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234210_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000234210_ClassMember_AsOf_2024Member", "terseLabel": "C000234210_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234210_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234210_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000234210_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234210_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234210_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000234210_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234210_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000234210_LG_ClassMember_3YRMember", "terseLabel": "C000234210_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234210_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000234210_NoLoadClassMember_1YRMember", "terseLabel": "C000234210_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234210_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234210_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234210_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234210_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234210_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234211Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211 [Member]", "verboseLabel": "Fidelity Sustainable International Equity Fund", "terseLabel": "Fidelity Sustainable International Equity Fund" } } }, "auth_ref": [] }, "fmr_C000234211_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000234211_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000234211_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234211_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000234211_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000234211_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234211_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234211_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234211_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234211_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234211_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234211_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234211_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234211_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234211_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234211_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000234211_1_BBIndexMember_1YRMember", "terseLabel": "C000234211_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234211_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000234211_1_BBIndexMember_LOCMember", "terseLabel": "C000234211_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234211_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234211_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234211_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234211_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234211_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234211_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234211_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234211_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234211_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234211_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000234211_ClassMember_AsOf_2022Member", "terseLabel": "C000234211_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234211_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000234211_ClassMember_AsOf_2023Member", "terseLabel": "C000234211_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234211_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000234211_ClassMember_AsOf_2024Member", "terseLabel": "C000234211_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234211_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234211_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000234211_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234211_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234211_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000234211_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234211_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000234211_LG_ClassMember_3YRMember", "terseLabel": "C000234211_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234211_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000234211_NoLoadClassMember_1YRMember", "terseLabel": "C000234211_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234211_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234211_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234211_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234211_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234211_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234212Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212 [Member]", "verboseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class A", "terseLabel": "Fidelity Advisor Sustainable International Equity Fund - Class A" } } }, "auth_ref": [] }, "fmr_C000234212_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000234212_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000234212_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234212_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000234212_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000234212_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234212_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234212_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234212_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234212_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234212_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234212_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234212_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234212_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234212_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234212_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000234212_1_BBIndexMember_1YRMember", "terseLabel": "C000234212_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234212_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000234212_1_BBIndexMember_LOCMember", "terseLabel": "C000234212_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000234212_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000234212_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000234212_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234212_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000234212_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000234212_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234212_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000234212_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000234212_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234212_ClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_ClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_ClassMember_1YRMember [Member]", "verboseLabel": "C000234212_ClassMember_1YRMember", "terseLabel": "C000234212_ClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234212_ClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_ClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_ClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234212_ClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234212_ClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000234212_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000234212_ClassMember_AsOf_2022Member", "terseLabel": "C000234212_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000234212_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000234212_ClassMember_AsOf_2023Member", "terseLabel": "C000234212_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000234212_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000234212_ClassMember_AsOf_2024Member", "terseLabel": "C000234212_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000234212_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234212_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000234212_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234212_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000234212_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000234212_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234212_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000234212_LG_ClassMember_3YRMember", "terseLabel": "C000234212_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000234212_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000234212_NoLoadClassMember_1YRMember", "terseLabel": "C000234212_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000234212_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000234212_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000234212_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000234212_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000234212_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000235236Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236 [Member]", "verboseLabel": "Fidelity SAI Sustainable Emerging Markets Equity Fund", "terseLabel": "Fidelity SAI Sustainable Emerging Markets Equity Fund" } } }, "auth_ref": [] }, "fmr_C000235236_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000235236_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000235236_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000235236_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000235236_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000235236_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000235236_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000235236_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000235236_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000235236_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000235236_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000235236_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000235236_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000235236_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000235236_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000235236_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000235236_1_BBIndexMember_1YRMember", "terseLabel": "C000235236_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000235236_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000235236_1_BBIndexMember_LOCMember", "terseLabel": "C000235236_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000235236_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000235236_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000235236_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000235236_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000235236_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000235236_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000235236_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000235236_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000235236_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000235236_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000235236_ClassMember_AsOf_2022Member", "terseLabel": "C000235236_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000235236_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000235236_ClassMember_AsOf_2023Member", "terseLabel": "C000235236_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000235236_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000235236_ClassMember_AsOf_2024Member", "terseLabel": "C000235236_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000235236_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000235236_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000235236_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000235236_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000235236_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000235236_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000235236_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000235236_LG_ClassMember_3YRMember", "terseLabel": "C000235236_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000235236_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000235236_NoLoadClassMember_1YRMember", "terseLabel": "C000235236_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000235236_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235236_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235236_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000235236_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000235236_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000235237Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237 [Member]", "verboseLabel": "Fidelity SAI Sustainable International Equity Fund", "terseLabel": "Fidelity SAI Sustainable International Equity Fund" } } }, "auth_ref": [] }, "fmr_C000235237_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000235237_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000235237_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000235237_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000235237_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000235237_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000235237_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000235237_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000235237_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000235237_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000235237_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000235237_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000235237_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000235237_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000235237_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000235237_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000235237_1_BBIndexMember_1YRMember", "terseLabel": "C000235237_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000235237_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000235237_1_BBIndexMember_LOCMember", "terseLabel": "C000235237_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000235237_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000235237_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000235237_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000235237_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000235237_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000235237_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000235237_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000235237_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000235237_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000235237_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000235237_ClassMember_AsOf_2022Member", "terseLabel": "C000235237_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000235237_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000235237_ClassMember_AsOf_2023Member", "terseLabel": "C000235237_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000235237_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000235237_ClassMember_AsOf_2024Member", "terseLabel": "C000235237_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000235237_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000235237_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000235237_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000235237_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000235237_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000235237_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000235237_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000235237_LG_ClassMember_3YRMember", "terseLabel": "C000235237_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000235237_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000235237_NoLoadClassMember_1YRMember", "terseLabel": "C000235237_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000235237_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000235237_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000235237_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000235237_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000235237_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000238445Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445 [Member]", "verboseLabel": "Fidelity Series Select International Small Cap Fund", "terseLabel": "Fidelity Series Select International Small Cap Fund" } } }, "auth_ref": [] }, "fmr_C000238445_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000238445_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000238445_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000238445_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000238445_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000238445_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000238445_1_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_1_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_1_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000238445_1_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000238445_1_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000238445_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000238445_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000238445_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000238445_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000238445_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000238445_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000238445_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000238445_1_BBIndexMember_1YRMember", "terseLabel": "C000238445_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000238445_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000238445_1_BBIndexMember_LOCMember", "terseLabel": "C000238445_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000238445_2_AdditionalIndexMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_2_AdditionalIndexMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_2_AdditionalIndexMember_AsOf_2022Member [Member]", "verboseLabel": "C000238445_2_AdditionalIndexMember_AsOf_2022Member", "terseLabel": "C000238445_2_AdditionalIndexMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000238445_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000238445_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000238445_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000238445_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000238445_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000238445_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000238445_ClassMember_AsOf_2022Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_ClassMember_AsOf_2022Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_ClassMember_AsOf_2022Member [Member]", "verboseLabel": "C000238445_ClassMember_AsOf_2022Member", "terseLabel": "C000238445_ClassMember_AsOf_2022Member" } } }, "auth_ref": [] }, "fmr_C000238445_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000238445_ClassMember_AsOf_2023Member", "terseLabel": "C000238445_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000238445_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000238445_ClassMember_AsOf_2024Member", "terseLabel": "C000238445_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000238445_LG_1_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_LG_1_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_LG_1_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000238445_LG_1_AdditionalIndexMember_3YRMember", "terseLabel": "C000238445_LG_1_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000238445_LG_2_AdditionalIndexMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_LG_2_AdditionalIndexMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_LG_2_AdditionalIndexMember_3YRMember [Member]", "verboseLabel": "C000238445_LG_2_AdditionalIndexMember_3YRMember", "terseLabel": "C000238445_LG_2_AdditionalIndexMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000238445_LG_ClassMember_3YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_LG_ClassMember_3YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_LG_ClassMember_3YRMember [Member]", "verboseLabel": "C000238445_LG_ClassMember_3YRMember", "terseLabel": "C000238445_LG_ClassMember_3YRMember" } } }, "auth_ref": [] }, "fmr_C000238445_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000238445_NoLoadClassMember_1YRMember", "terseLabel": "C000238445_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000238445_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000238445_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000238445_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000238445_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000238445_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000242614Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614 [Member]", "verboseLabel": "Fidelity Series Sustainable Emerging Markets Fund", "terseLabel": "Fidelity Series Sustainable Emerging Markets Fund" } } }, "auth_ref": [] }, "fmr_C000242614_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000242614_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000242614_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000242614_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000242614_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000242614_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000242614_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000242614_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000242614_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000242614_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000242614_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000242614_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000242614_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000242614_1_BBIndexMember_1YRMember", "terseLabel": "C000242614_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000242614_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000242614_1_BBIndexMember_LOCMember", "terseLabel": "C000242614_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000242614_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000242614_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000242614_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000242614_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000242614_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000242614_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000242614_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000242614_ClassMember_AsOf_2023Member", "terseLabel": "C000242614_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000242614_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000242614_ClassMember_AsOf_2024Member", "terseLabel": "C000242614_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000242614_LG_1_AdditionalIndexMember_2YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_LG_1_AdditionalIndexMember_2YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_LG_1_AdditionalIndexMember_2YRMember [Member]", "verboseLabel": "C000242614_LG_1_AdditionalIndexMember_2YRMember", "terseLabel": "C000242614_LG_1_AdditionalIndexMember_2YRMember" } } }, "auth_ref": [] }, "fmr_C000242614_LG_2_AdditionalIndexMember_2YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_LG_2_AdditionalIndexMember_2YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_LG_2_AdditionalIndexMember_2YRMember [Member]", "verboseLabel": "C000242614_LG_2_AdditionalIndexMember_2YRMember", "terseLabel": "C000242614_LG_2_AdditionalIndexMember_2YRMember" } } }, "auth_ref": [] }, "fmr_C000242614_LG_ClassMember_2YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_LG_ClassMember_2YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_LG_ClassMember_2YRMember [Member]", "verboseLabel": "C000242614_LG_ClassMember_2YRMember", "terseLabel": "C000242614_LG_ClassMember_2YRMember" } } }, "auth_ref": [] }, "fmr_C000242614_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000242614_NoLoadClassMember_1YRMember", "terseLabel": "C000242614_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000242614_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242614_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242614_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000242614_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000242614_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "fmr_C000242615Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615 [Member]", "verboseLabel": "Fidelity Series Sustainable Non-U.S. Developed Markets Fund", "terseLabel": "Fidelity Series Sustainable Non-U.S. Developed Markets Fund" } } }, "auth_ref": [] }, "fmr_C000242615_0_AdditionalIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_0_AdditionalIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_0_AdditionalIndexMember_1YRMember [Member]", "verboseLabel": "C000242615_0_AdditionalIndexMember_1YRMember", "terseLabel": "C000242615_0_AdditionalIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000242615_0_AdditionalIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_0_AdditionalIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_0_AdditionalIndexMember_LOCMember [Member]", "verboseLabel": "C000242615_0_AdditionalIndexMember_LOCMember", "terseLabel": "C000242615_0_AdditionalIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000242615_1_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_1_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_1_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000242615_1_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000242615_1_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000242615_1_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_1_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_1_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000242615_1_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000242615_1_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000242615_1_BBIndexMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_1_BBIndexMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_1_BBIndexMember_1YRMember [Member]", "verboseLabel": "C000242615_1_BBIndexMember_1YRMember", "terseLabel": "C000242615_1_BBIndexMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000242615_1_BBIndexMember_LOCMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_1_BBIndexMember_LOCMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_1_BBIndexMember_LOCMember [Member]", "verboseLabel": "C000242615_1_BBIndexMember_LOCMember", "terseLabel": "C000242615_1_BBIndexMember_LOCMember" } } }, "auth_ref": [] }, "fmr_C000242615_2_AdditionalIndexMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_2_AdditionalIndexMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_2_AdditionalIndexMember_AsOf_2023Member [Member]", "verboseLabel": "C000242615_2_AdditionalIndexMember_AsOf_2023Member", "terseLabel": "C000242615_2_AdditionalIndexMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000242615_2_AdditionalIndexMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_2_AdditionalIndexMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_2_AdditionalIndexMember_AsOf_2024Member [Member]", "verboseLabel": "C000242615_2_AdditionalIndexMember_AsOf_2024Member", "terseLabel": "C000242615_2_AdditionalIndexMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000242615_ClassMember_AsOf_2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_ClassMember_AsOf_2023Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_ClassMember_AsOf_2023Member [Member]", "verboseLabel": "C000242615_ClassMember_AsOf_2023Member", "terseLabel": "C000242615_ClassMember_AsOf_2023Member" } } }, "auth_ref": [] }, "fmr_C000242615_ClassMember_AsOf_2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_ClassMember_AsOf_2024Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_ClassMember_AsOf_2024Member [Member]", "verboseLabel": "C000242615_ClassMember_AsOf_2024Member", "terseLabel": "C000242615_ClassMember_AsOf_2024Member" } } }, "auth_ref": [] }, "fmr_C000242615_LG_1_AdditionalIndexMember_2YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_LG_1_AdditionalIndexMember_2YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_LG_1_AdditionalIndexMember_2YRMember [Member]", "verboseLabel": "C000242615_LG_1_AdditionalIndexMember_2YRMember", "terseLabel": "C000242615_LG_1_AdditionalIndexMember_2YRMember" } } }, "auth_ref": [] }, "fmr_C000242615_LG_2_AdditionalIndexMember_2YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_LG_2_AdditionalIndexMember_2YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_LG_2_AdditionalIndexMember_2YRMember [Member]", "verboseLabel": "C000242615_LG_2_AdditionalIndexMember_2YRMember", "terseLabel": "C000242615_LG_2_AdditionalIndexMember_2YRMember" } } }, "auth_ref": [] }, "fmr_C000242615_LG_ClassMember_2YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_LG_ClassMember_2YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_LG_ClassMember_2YRMember [Member]", "verboseLabel": "C000242615_LG_ClassMember_2YRMember", "terseLabel": "C000242615_LG_ClassMember_2YRMember" } } }, "auth_ref": [] }, "fmr_C000242615_NoLoadClassMember_1YRMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_NoLoadClassMember_1YRMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_NoLoadClassMember_1YRMember [Member]", "verboseLabel": "C000242615_NoLoadClassMember_1YRMember", "terseLabel": "C000242615_NoLoadClassMember_1YRMember" } } }, "auth_ref": [] }, "fmr_C000242615_NoLoadClassMember_2023-11-01_2024-10-31Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "C000242615_NoLoadClassMember_2023-11-01_2024-10-31Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "C000242615_NoLoadClassMember_2023-11-01_2024-10-31Member [Member]", "verboseLabel": "C000242615_NoLoadClassMember_2023-11-01_2024-10-31Member", "terseLabel": "C000242615_NoLoadClassMember_2023-11-01_2024-10-31Member" } } }, "auth_ref": [] }, "country_CA": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "CA", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Canada", "terseLabel": "Canada" } } }, "auth_ref": [] }, "country_CH": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "CH", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Switzerland", "terseLabel": "Switzerland" } } }, "auth_ref": [] }, "country_CL": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "CL", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Chile", "terseLabel": "Chile" } } }, "auth_ref": [] }, "country_CN": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "CN", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "China", "terseLabel": "China" } } }, "auth_ref": [] }, "oef_ClassAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ClassAxis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "Class [Axis]" } } }, "auth_ref": [ "r23" ] }, "oef_ClassName": { "xbrltype": "securityTitleItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ClassName", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Class Name" } } }, "auth_ref": [ "r28" ] }, "oef_CommunicationsSectorMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "CommunicationsSectorMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Communications Sector [Member]", "terseLabel": "Communications Sector Member" } } }, "auth_ref": [ "r51" ] }, "oef_Component1OtherExpensesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "Component1OtherExpensesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_OtherExpensesOverAssets", "weight": 1.0, "order": 1.0 } }, "lang": { "en-us": { "role": { "label": "Component1 Other Expenses" } } }, "auth_ref": [ "r67" ] }, "oef_Component2OtherExpensesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "Component2OtherExpensesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_OtherExpensesOverAssets", "weight": 1.0, "order": 2.0 } }, "lang": { "en-us": { "role": { "label": "Component2 Other Expenses" } } }, "auth_ref": [ "r67" ] }, "oef_Component3OtherExpensesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "Component3OtherExpensesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_OtherExpensesOverAssets", "weight": 1.0, "order": 3.0 } }, "lang": { "en-us": { "role": { "label": "Component3 Other Expenses" } } }, "auth_ref": [ "r67" ] }, "oef_ConsumerDiscretionarySectorMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ConsumerDiscretionarySectorMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Consumer Discretionary Sector [Member]", "terseLabel": "Consumer Discretionary Sector Member" } } }, "auth_ref": [ "r51" ] }, "oef_ConsumerStaplesSectorMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ConsumerStaplesSectorMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Consumer Staples Sector [Member]", "terseLabel": "Consumer Staples Sector Member" } } }, "auth_ref": [ "r51" ] }, "dei_CoverAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "CoverAbstract", "lang": { "en-us": { "role": { "documentation": "Cover page." } } }, "auth_ref": [] }, "oef_CreditQualityAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "CreditQualityAxis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Credit Quality [Axis]" } } }, "auth_ref": [ "r51" ] }, "oef_CreditQualityDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "CreditQualityDomain", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Credit Quality [Domain]" } } }, "auth_ref": [ "r51" ] }, "oef_CreditQualityExplanationTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "CreditQualityExplanationTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Credit Quality Explanation [Text Block]" } } }, "auth_ref": [ "r51" ] }, "srt_CreditRatingAMBestAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "CreditRatingAMBestAxis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "auth_ref": [ "r19", "r73", "r74", "r75" ] }, "srt_CreditRatingAMBestDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "CreditRatingAMBestDomain", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "auth_ref": [] }, "srt_CreditRatingFitchAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "CreditRatingFitchAxis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "auth_ref": [ "r19", "r73", "r75" ] }, "srt_CreditRatingMoodysAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "CreditRatingMoodysAxis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "auth_ref": [ "r19", "r73", "r74", "r75" ] }, "srt_CreditRatingStandardPoorsAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "CreditRatingStandardPoorsAxis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "auth_ref": [ "r19", "r73", "r74", "r75" ] }, "oef_CreditRatingsSelectionTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "CreditRatingsSelectionTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Credit Ratings Selection [Text Block]" } } }, "auth_ref": [ "r51" ] }, "country_DE": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "DE", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Germany", "terseLabel": "Germany" } } }, "auth_ref": [] }, "country_DK": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "DK", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Denmark", "terseLabel": "Denmark" } } }, "auth_ref": [] }, "oef_DistOfCapitalTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "DistOfCapitalTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Distribution of Capital [Text Block]" } } }, "auth_ref": [ "r45" ] }, "oef_DistributionAndService12b1FeesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "DistributionAndService12b1FeesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_ExpensesOverAssets", "weight": 1.0, "order": 2.0 } }, "lang": { "en-us": { "role": { "label": "Distribution and Service (12b-1) Fees" } } }, "auth_ref": [ "r65" ] }, "oef_DistributionOrSimilarNon12b1FeesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "DistributionOrSimilarNon12b1FeesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_ExpensesOverAssets", "weight": 1.0, "order": 3.0 } }, "lang": { "en-us": { "role": { "label": "Distribution or Similar (Non 12b-1) Fees" } } }, "auth_ref": [ "r65" ] }, "dei_DocumentPeriodEndDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "DocumentPeriodEndDate", "presentation": [ "http://xbrl.sec.gov/oef/role/NcsrCover", "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Document Period End Date", "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." } } }, "auth_ref": [] }, "dei_DocumentType": { "xbrltype": "submissionTypeItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "DocumentType", "presentation": [ "http://xbrl.sec.gov/oef/role/NcsrCover", "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Document Type", "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'." } } }, "auth_ref": [] }, "country_ES": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "ES", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Spain", "terseLabel": "Spain" } } }, "auth_ref": [] }, "us-gaap_EnergySectorMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EnergySectorMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Energy Sector", "documentation": "Sector of economy consisting of companies engaged in business activity related to energy.", "label": "Energy Sector [Member]" } } }, "auth_ref": [ "r77", "r78", "r79", "r80" ] }, "dei_EntityCentralIndexKey": { "xbrltype": "centralIndexKeyItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityCentralIndexKey", "presentation": [ "http://xbrl.sec.gov/oef/role/NcsrCover", "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Entity Central Index Key", "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK." } } }, "auth_ref": [ "r21" ] }, "dei_EntityInvCompanyType": { "xbrltype": "invCompanyType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityInvCompanyType", "presentation": [ "http://xbrl.sec.gov/oef/role/NcsrCover", "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Entity Investment Company Type", "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)." } } }, "auth_ref": [ "r72" ] }, "dei_EntityRegistrantName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityRegistrantName", "presentation": [ "http://xbrl.sec.gov/oef/role/NcsrCover", "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Registrant Name", "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC." } } }, "auth_ref": [ "r21" ] }, "oef_EtfDiscountNumDays": { "xbrltype": "integerItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "EtfDiscountNumDays", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "ETF Discount, Number of Days" } } }, "auth_ref": [ "r46" ] }, "oef_EtfPastPerfTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "EtfPastPerfTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "ETF Past Performance [Text Block]" } } }, "auth_ref": [ "r48" ] }, "oef_EtfPremiumDiscountTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "EtfPremiumDiscountTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "ETF Premium Discount [Text Block]" } } }, "auth_ref": [ "r46" ] }, "oef_EtfPremiumNumDays": { "xbrltype": "integerItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "EtfPremiumNumDays", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "ETF Premium, Number of Days" } } }, "auth_ref": [ "r46" ] }, "oef_EtfPurchaseExplanationTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "EtfPurchaseExplanationTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "ETF Purchase Explanation [Text Block]" } } }, "auth_ref": [ "r47" ] }, "oef_ExpenseRatioPct": { "xbrltype": "percentItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ExpenseRatioPct", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Expense Ratio, Percent" } } }, "auth_ref": [ "r31" ] }, "oef_ExpensesExclExtraordinaryExpensesPct": { "xbrltype": "percentItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ExpensesExclExtraordinaryExpensesPct", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Expenses Excluding Extraordinary Expenses, Percent" } } }, "auth_ref": [ "r34" ] }, "oef_ExpensesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ExpensesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_NetExpensesOverAssets", "weight": 1.0, "order": 1.0 } }, "lang": { "en-us": { "role": { "label": "Expenses (as a percentage of Assets)", "totalLabel": "Total Expenses" } } }, "auth_ref": [ "r68" ] }, "oef_ExpensesPaidAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ExpensesPaidAmt", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Expenses Paid, Amount" } } }, "auth_ref": [ "r30" ] }, "oef_ExpensesRepresentBothMasterAndFeeder": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ExpensesRepresentBothMasterAndFeeder", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Expenses Represent Both Master and Feeder [Text]" } } }, "auth_ref": [ "r32", "r62" ] }, "oef_ExpensesShortPeriodFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ExpensesShortPeriodFnTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Expenses Short Period Footnote [Text Block]" } } }, "auth_ref": [ "r33" ] }, "oef_ExpensesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ExpensesTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Expenses [Text Block]" } } }, "auth_ref": [ "r29" ] }, "oef_ExposureBasisExplanationTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ExposureBasisExplanationTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Exposure Basis Explanation [Text Block]" } } }, "auth_ref": [ "r51" ] }, "srt_ExternalCreditRatingFitchMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "ExternalCreditRatingFitchMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "auth_ref": [] }, "srt_ExternalCreditRatingMoodysMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "ExternalCreditRatingMoodysMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "auth_ref": [] }, "srt_ExternalCreditRatingStandardPoorsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "ExternalCreditRatingStandardPoorsMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "auth_ref": [] }, "oef_ExtraordinaryExpensesFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ExtraordinaryExpensesFnTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Extraordinary Expenses Footnote [Text Block]" } } }, "auth_ref": [ "r34" ] }, "country_FI": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "FI", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Finland", "terseLabel": "Finland" } } }, "auth_ref": [] }, "country_FR": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "FR", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "France", "terseLabel": "France" } } }, "auth_ref": [] }, "oef_FactorsAffectingPerfTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "FactorsAffectingPerfTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Factors Affecting Performance [Text Block]" } } }, "auth_ref": [ "r35" ] }, "oef_FeeWaiverOrReimbursementOverAssets": { "xbrltype": "nonPositivePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "FeeWaiverOrReimbursementOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_NetExpensesOverAssets", "weight": 1.0, "order": 2.0 } }, "lang": { "en-us": { "role": { "label": "Fee Waiver or Reimbursement", "negatedLabel": "Fee Waiver or Reimbursement" } } }, "auth_ref": [ "r69" ] }, "oef_FundName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "FundName", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Fund Name" } } }, "auth_ref": [ "r24" ] }, "country_GB": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "GB", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "United Kingdom", "terseLabel": "United Kingdom" } } }, "auth_ref": [] }, "oef_GeographicRegionAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "GeographicRegionAxis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Geographic Region [Axis]" } } }, "auth_ref": [ "r51" ] }, "oef_GeographicRegionDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "GeographicRegionDomain", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Geographic Region [Domain]" } } }, "auth_ref": [ "r51" ] }, "us-gaap_HealthcareSectorMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "HealthcareSectorMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Healthcare Sector", "documentation": "Sector of the economy consisting of companies engaged in healthcare-related business activities.", "label": "Healthcare Sector [Member]" } } }, "auth_ref": [ "r20", "r77", "r78", "r79", "r80" ] }, "oef_HoldingsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "HoldingsAbstract", "lang": { "en-us": { "role": { "label": "Holdings [Abstract]" } } }, "auth_ref": [ "r51" ] }, "oef_HoldingsCount": { "xbrltype": "integerItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "HoldingsCount", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Holdings Count" } } }, "auth_ref": [ "r49" ] }, "oef_HoldingsLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "HoldingsLineItems", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Holdings [Line Items]" } } }, "auth_ref": [ "r51" ] }, "oef_HoldingsTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "HoldingsTable", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Holdings [Table]" } } }, "auth_ref": [ "r51" ] }, "oef_HoldingsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "HoldingsTableTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Holdings [Text Block]" } } }, "auth_ref": [ "r51" ] }, "country_ID": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "ID", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Indonesia", "terseLabel": "Indonesia" } } }, "auth_ref": [] }, "country_IN": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "IN", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "India", "terseLabel": "India" } } }, "auth_ref": [] }, "country_IT": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "IT", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Italy", "terseLabel": "Italy" } } }, "auth_ref": [] }, "oef_InabilityToMeetDistLevelTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "InabilityToMeetDistLevelTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Inability to Meet Distribution Level [Text Block]" } } }, "auth_ref": [ "r45" ] }, "oef_IndustrialSectorMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "IndustrialSectorMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Industrial Sector [Member]", "terseLabel": "Industrial Sector Member" } } }, "auth_ref": [ "r51" ] }, "oef_IndustrySectorAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "IndustrySectorAxis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Industry Sector [Axis]" } } }, "auth_ref": [ "r51" ] }, "oef_IndustrySectorDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "IndustrySectorDomain", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Industry Sector [Domain]" } } }, "auth_ref": [ "r51" ] }, "oef_InformationTechnologySectorMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "InformationTechnologySectorMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Information Technology Sector [Member]", "terseLabel": "Information Technology Member" } } }, "auth_ref": [ "r51" ] }, "us-gaap_InvestmentCompanyPortfolioTurnover": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InvestmentCompanyPortfolioTurnover", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "documentation": "Percentage of lesser of purchase or sale of portfolio securities to average value of portfolio securities owned.", "label": "Investment Company Portfolio Turnover" } } }, "auth_ref": [ "r76" ] }, "us-gaap_InvestmentTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InvestmentTypeAxis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "documentation": "Information by type of investments.", "label": "Investment Type [Axis]" } } }, "auth_ref": [ "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r20" ] }, "us-gaap_InvestmentTypeCategorizationMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InvestmentTypeCategorizationMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "documentation": "Asset obtained to generate income or appreciate in value.", "label": "Investment Type Categorization [Member]" } } }, "auth_ref": [ "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r20" ] }, "country_JP": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "JP", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Japan", "terseLabel": "Japan" } } }, "auth_ref": [] }, "country_KR": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "KR", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Korea, Republic of", "terseLabel": "Korea, Republic of" } } }, "auth_ref": [] }, "oef_LargestHoldingAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "LargestHoldingAxis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Largest Holding [Axis]" } } }, "auth_ref": [ "r51" ] }, "oef_LargestHoldingsDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "LargestHoldingsDomain", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Largest Holdings [Domain]" } } }, "auth_ref": [ "r51" ] }, "oef_LargestHoldingsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "LargestHoldingsTableTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Largest Holdings [Text Block]" } } }, "auth_ref": [ "r51" ] }, "oef_LineGraphAndTableMeasureName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "LineGraphAndTableMeasureName", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "Line Graph and Table Measure Name" } } }, "auth_ref": [ "r37" ] }, "oef_LineGraphTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "LineGraphTableTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Line Graph [Table Text Block]" } } }, "auth_ref": [ "r36" ] }, "fmr_MSFinancialsSectorMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "MSFinancialsSectorMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "MSFinancialsSectorMember [Member]", "verboseLabel": "MSFinancialsSectorMember", "terseLabel": "MSFinancialsSectorMember" } } }, "auth_ref": [] }, "country_MX": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "MX", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Mexico", "terseLabel": "Mexico" } } }, "auth_ref": [] }, "oef_ManagementFeesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ManagementFeesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_ExpensesOverAssets", "weight": 1.0, "order": 1.0 } }, "lang": { "en-us": { "role": { "label": "Management Fees (as a percentage of Assets)" } } }, "auth_ref": [ "r64" ] }, "oef_MaterialChngDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "MaterialChngDate", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Material Change Date" } } }, "auth_ref": [ "r41" ] }, "oef_MaterialChngDescriptionTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "MaterialChngDescriptionTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Material Change Description [Text Block]" } } }, "auth_ref": [ "r41" ] }, "oef_MaterialFundChngAdviserTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "MaterialFundChngAdviserTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Material Fund Change Adviser [Text Block]" } } }, "auth_ref": [ "r58" ] }, "oef_MaterialFundChngExpensesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "MaterialFundChngExpensesTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Material Fund Change Expenses [Text Block]" } } }, "auth_ref": [ "r55" ] }, "oef_MaterialFundChngNameTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "MaterialFundChngNameTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Material Fund Change Name [Text Block]" } } }, "auth_ref": [ "r53" ] }, "oef_MaterialFundChngNoticeTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "MaterialFundChngNoticeTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Material Fund Change Notice [Text Block]" } } }, "auth_ref": [ "r27" ] }, "oef_MaterialFundChngObjectivesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "MaterialFundChngObjectivesTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Material Fund Change Objectives [Text Block]" } } }, "auth_ref": [ "r54" ] }, "oef_MaterialFundChngRisksChngTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "MaterialFundChngRisksChngTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Material Fund Change Risks Change [Text Block]" } } }, "auth_ref": [ "r57" ] }, "oef_MaterialFundChngStrategiesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "MaterialFundChngStrategiesTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Material Fund Change Strategies [Text Block]" } } }, "auth_ref": [ "r56" ] }, "oef_MaterialFundChngTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "MaterialFundChngTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Material Fund Change [Text Block]" } } }, "auth_ref": [ "r52" ] }, "oef_MaterialsSectorMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "MaterialsSectorMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Materials Sector [Member]", "terseLabel": "Materials Sector Member" } } }, "auth_ref": [ "r51" ] }, "oef_MaturityAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "MaturityAxis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Maturity [Axis]" } } }, "auth_ref": [ "r51" ] }, "oef_MaturityDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "MaturityDomain", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Maturity [Domain]" } } }, "auth_ref": [ "r51" ] }, "country_NL": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "NL", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Netherlands", "terseLabel": "Netherlands" } } }, "auth_ref": [] }, "country_NO": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "NO", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Norway", "terseLabel": "Norway" } } }, "auth_ref": [] }, "oef_NetExpensesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "NetExpensesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": null, "weight": null, "order": null, "root": true } }, "lang": { "en-us": { "role": { "label": "Net Expenses (as a percentage of Assets)", "totalLabel": "Net Expenses" } } }, "auth_ref": [ "r63" ] }, "oef_NoDeductionOfTaxesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "NoDeductionOfTaxesTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "No Deduction of Taxes [Text Block]" } } }, "auth_ref": [ "r38" ] }, "dei_NoTradingSymbolFlag": { "xbrltype": "trueItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "NoTradingSymbolFlag", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "No Trading Symbol Flag", "documentation": "Boolean flag that is true only for a security having no trading symbol." } } }, "auth_ref": [] }, "oef_OtherCategory1Axis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "OtherCategory1Axis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Other Category 1 [Axis]" } } }, "auth_ref": [ "r51" ] }, "oef_OtherCategory1Domain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "OtherCategory1Domain", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Other Category 1 [Domain]" } } }, "auth_ref": [ "r51" ] }, "oef_OtherCategory2Axis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "OtherCategory2Axis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Other Category 2 [Axis]" } } }, "auth_ref": [ "r51" ] }, "oef_OtherCategory2Domain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "OtherCategory2Domain", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Other Category 2 [Domain]" } } }, "auth_ref": [ "r51" ] }, "oef_OtherExpensesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "OtherExpensesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_ExpensesOverAssets", "weight": 1.0, "order": 4.0 } }, "lang": { "en-us": { "role": { "label": "Other Expenses (as a percentage of Assets):", "totalLabel": "Other Expenses" } } }, "auth_ref": [ "r66" ] }, "fmr_OtherMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "OtherMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "OtherMember" } } }, "auth_ref": [] }, "oef_PctOfNav": { "xbrltype": "percentItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "PctOfNav", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Percent of Net Asset Value" } } }, "auth_ref": [ "r51" ] }, "oef_PctOfNetLongExposure": { "xbrltype": "percentItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "PctOfNetLongExposure", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Percent of Net Long Exposure" } } }, "auth_ref": [ "r51" ] }, "oef_PctOfNetShortExposure": { "xbrltype": "percentItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "PctOfNetShortExposure", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Percent of Net Short Exposure" } } }, "auth_ref": [ "r51" ] }, "oef_PctOfTotalInv": { "xbrltype": "percentItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "PctOfTotalInv", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Percent of Total Investments" } } }, "auth_ref": [ "r51" ] }, "oef_PctOfTotalLongExposure": { "xbrltype": "percentItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "PctOfTotalLongExposure", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Percent of Total Long Exposure" } } }, "auth_ref": [ "r51" ] }, "oef_PctOfTotalShortExposure": { "xbrltype": "percentItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "PctOfTotalShortExposure", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Percent of Total Short Exposure" } } }, "auth_ref": [ "r51" ] }, "oef_PerfInceptionDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "PerfInceptionDate", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Performance Inception Date" } } }, "auth_ref": [ "r37" ] }, "oef_PerfTableMarketIndexChngdTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "PerfTableMarketIndexChngdTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Performance Table Market Index Changed [Text Block]" } } }, "auth_ref": [ "r44" ] }, "oef_PerformancePastDoesNotIndicateFuture": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "PerformancePastDoesNotIndicateFuture", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Performance Past Does Not Indicate Future [Text]" } } }, "auth_ref": [ "r39", "r71" ] }, "oef_PreviousInvestmentAdviserTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "PreviousInvestmentAdviserTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Previous Investment Adviser [Text Block]" } } }, "auth_ref": [ "r40" ] }, "oef_PriorMarketIndexComparisonTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "PriorMarketIndexComparisonTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Prior Market Index Comparison [Text Block]" } } }, "auth_ref": [ "r44" ] }, "us-gaap_RealEstateSectorMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RealEstateSectorMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Real Estate Sector", "documentation": "Sector of the economy consisting of companies engaged in real estate business activities.", "label": "Real Estate Sector [Member]" } } }, "auth_ref": [ "r18", "r77", "r78", "r79", "r80" ] }, "country_SA": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "SA", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Saudi Arabia", "terseLabel": "Saudi Arabia" } } }, "auth_ref": [] }, "country_SE": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "SE", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Sweden", "terseLabel": "Sweden" } } }, "auth_ref": [] }, "oef_SalesLoadAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "SalesLoadAxis", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "Sales Load [Axis]" } } }, "auth_ref": [ "r43" ] }, "dei_SecurityExchangeName": { "xbrltype": "edgarExchangeCodeItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "SecurityExchangeName", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Security Exchange Name", "terseLabel": "Exchange", "documentation": "Name of the Exchange on which a security is registered." } } }, "auth_ref": [ "r22" ] }, "oef_ShareClassDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ShareClassDomain", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport", "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails", "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "Share Classes" } } }, "auth_ref": [ "r23" ] }, "oef_ShareholderReportAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ShareholderReportAbstract", "lang": { "en-us": { "role": { "label": "Shareholder Report [Abstract]" } } }, "auth_ref": [ "r43" ] }, "oef_ShareholderReportAnnualOrSemiAnnual": { "xbrltype": "shareholderReportTypeItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ShareholderReportAnnualOrSemiAnnual", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Shareholder Report Annual or Semi-Annual" } } }, "auth_ref": [ "r25" ] }, "oef_ShareholderReportLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ShareholderReportLineItems", "presentation": [ "http://xbrl.sec.gov/oef/role/NcsrCover", "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Shareholder Report [Line Items]" } } }, "auth_ref": [ "r43" ] }, "oef_ShareholderReportTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "ShareholderReportTable", "presentation": [ "http://xbrl.sec.gov/oef/role/NcsrCover", "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Shareholder Report [Table]" } } }, "auth_ref": [ "r43" ] }, "oef_SummaryOfChngLegendTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "SummaryOfChngLegendTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Summary of Change Legend [Text Block]" } } }, "auth_ref": [ "r59" ] }, "fmr_TH0Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TH0Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TH0Member [Member]", "verboseLabel": "TH0Member", "terseLabel": "TH0Member" } } }, "auth_ref": [] }, "fmr_TH1Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TH1Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TH1Member [Member]", "verboseLabel": "TH1Member", "terseLabel": "TH1Member" } } }, "auth_ref": [] }, "fmr_TH2Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TH2Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TH2Member [Member]", "verboseLabel": "TH2Member", "terseLabel": "TH2Member" } } }, "auth_ref": [] }, "fmr_TH3Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TH3Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TH3Member [Member]", "verboseLabel": "TH3Member", "terseLabel": "TH3Member" } } }, "auth_ref": [] }, "fmr_TH4Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TH4Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TH4Member [Member]", "verboseLabel": "TH4Member", "terseLabel": "TH4Member" } } }, "auth_ref": [] }, "fmr_TH5Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TH5Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TH5Member [Member]", "verboseLabel": "TH5Member", "terseLabel": "TH5Member" } } }, "auth_ref": [] }, "fmr_TH6Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TH6Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TH6Member [Member]", "verboseLabel": "TH6Member", "terseLabel": "TH6Member" } } }, "auth_ref": [] }, "fmr_TH7Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TH7Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TH7Member [Member]", "verboseLabel": "TH7Member", "terseLabel": "TH7Member" } } }, "auth_ref": [] }, "fmr_TH8Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TH8Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TH8Member [Member]", "verboseLabel": "TH8Member", "terseLabel": "TH8Member" } } }, "auth_ref": [] }, "fmr_TH9Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TH9Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TH9Member [Member]", "verboseLabel": "TH9Member", "terseLabel": "TH9Member" } } }, "auth_ref": [] }, "fmr_TI0Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TI0Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TI0Member [Member]", "verboseLabel": "TI0Member", "terseLabel": "TI0Member" } } }, "auth_ref": [] }, "fmr_TI1Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TI1Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TI1Member [Member]", "verboseLabel": "TI1Member", "terseLabel": "TI1Member" } } }, "auth_ref": [] }, "fmr_TI2Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TI2Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TI2Member [Member]", "verboseLabel": "TI2Member", "terseLabel": "TI2Member" } } }, "auth_ref": [] }, "fmr_TI3Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TI3Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TI3Member [Member]", "verboseLabel": "TI3Member", "terseLabel": "TI3Member" } } }, "auth_ref": [] }, "fmr_TI4Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TI4Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TI4Member [Member]", "verboseLabel": "TI4Member", "terseLabel": "TI4Member" } } }, "auth_ref": [] }, "fmr_TI5Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TI5Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TI5Member [Member]", "verboseLabel": "TI5Member", "terseLabel": "TI5Member" } } }, "auth_ref": [] }, "fmr_TI6Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TI6Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TI6Member [Member]", "verboseLabel": "TI6Member", "terseLabel": "TI6Member" } } }, "auth_ref": [] }, "fmr_TI7Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TI7Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TI7Member [Member]", "verboseLabel": "TI7Member", "terseLabel": "TI7Member" } } }, "auth_ref": [] }, "fmr_TI8Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TI8Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TI8Member [Member]", "verboseLabel": "TI8Member", "terseLabel": "TI8Member" } } }, "auth_ref": [] }, "fmr_TI9Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20241230", "localname": "TI9Member", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "TI9Member [Member]", "verboseLabel": "TI9Member", "terseLabel": "TI9Member" } } }, "auth_ref": [] }, "country_TW": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "TW", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Taiwan", "terseLabel": "Taiwan" } } }, "auth_ref": [] }, "country_TZ": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "TZ", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Tanzania, United Republic of", "terseLabel": "Tanzania, United Republic of" } } }, "auth_ref": [] }, "dei_TradingSymbol": { "xbrltype": "tradingSymbolItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "TradingSymbol", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Trading Symbol", "terseLabel": "Ticker", "documentation": "Trading symbol of an instrument as listed on an exchange." } } }, "auth_ref": [] }, "country_US": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "US", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "United States", "terseLabel": "United States" } } }, "auth_ref": [] }, "oef_UpdPerfInfoLocationTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "UpdPerfInfoLocationTextBlock", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Updated Performance Information Location [Text Block]" } } }, "auth_ref": [ "r42" ] }, "oef_UpdProspectusEmailAddress": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "UpdProspectusEmailAddress", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Updated Prospectus Email Address" } } }, "auth_ref": [ "r59" ] }, "oef_UpdProspectusPhoneNumber": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "UpdProspectusPhoneNumber", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Updated Prospectus Phone Number" } } }, "auth_ref": [ "r59" ] }, "oef_UpdProspectusWebAddress": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "UpdProspectusWebAddress", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReport" ], "lang": { "en-us": { "role": { "label": "Updated Prospectus Web Address" } } }, "auth_ref": [ "r59" ] }, "oef_UtilitiesSectorMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "UtilitiesSectorMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Utilities Sector [Member]", "terseLabel": "Utilities Sector Member" } } }, "auth_ref": [ "r51" ] }, "oef_WithSalesLdMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "WithSalesLoadMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "With Sales Load [Member]" } } }, "auth_ref": [ "r43" ] }, "oef_WithoutSalesLoadMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2023", "localname": "WithoutSalesLoadMember", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" ], "lang": { "en-us": { "role": { "label": "Without Sales Load [Member]" } } }, "auth_ref": [ "r43" ] }, "country_ZA": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "ZA", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "South Africa", "terseLabel": "South Africa" } } }, "auth_ref": [] }, "country_ZM": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2023", "localname": "ZM", "presentation": [ "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" ], "lang": { "en-us": { "role": { "label": "Zambia", "terseLabel": "Zambia" } } }, "auth_ref": [] } } } }, "std_ref": { "r0": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "30", "Topic": "205", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479910/205-30-50-1" }, "r1": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-1" }, "r2": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-1" }, "r3": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-1" }, "r4": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-6" }, "r5": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-6" }, "r6": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column A)(Footnote 1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-1" }, "r7": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column C)(Footnote 5))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-1" }, "r8": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-12A(Column C)(Footnote 4))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-2" }, "r9": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 7))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-3" }, "r10": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column C)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-3" }, "r11": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5D", "Subparagraph": "(SX 210.12-13D(Column B)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-5D" }, "r12": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5D", "Subparagraph": "(SX 210.12-13D(Column C)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-5D" }, "r13": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "6", "Subparagraph": "(SX 210.12-14(Column F)(Footnote 7))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-6" }, "r14": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "7", "Subparagraph": "(SX 210.12-15(Column A))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-7" }, "r15": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "7", "Subparagraph": "(SX 210.12-15(Column B))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-7" }, "r16": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "7", "Subparagraph": "(SX 210.12-15(Column C))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-7" }, "r17": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "7", "Subparagraph": "(SX 210.12-15(Column D))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-7" }, "r18": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479294/326-20-55-12" }, "r19": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479294/326-20-55-15" }, "r20": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480493/946-210-55-1" }, "r21": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-2" }, "r22": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "d1-1" }, "r23": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "1", "Subsection": "a", "Paragraph": "1" }, "r24": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "b", "Paragraph": "1" }, "r25": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "b", "Paragraph": "3" }, "r26": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "b", "Paragraph": "4" }, "r27": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "b", "Paragraph": "5" }, "r28": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "b", "Paragraph": "instruction", "Subparagraph": "2" }, "r29": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "c" }, "r30": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "c", "Paragraph": "ii" }, "r31": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "c", "Paragraph": "iii" }, "r32": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "c", "Paragraph": "instruction", "Sentence": "1", "Clause": "b" }, "r33": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "c", "Paragraph": "instruction", "Subparagraph": "1", "Clause": "c" }, "r34": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "c", "Paragraph": "instruction", "Subparagraph": "1", "Clause": "d" }, "r35": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "1" }, "r36": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "2" }, "r37": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "2", "Subparagraph": "i" }, "r38": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "2", "Subparagraph": "iii", "Clause": "B" }, "r39": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "2", "Subparagraph": "iiii", "Clause": "A" }, "r40": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "2", "Subparagraph": "instruction", "Clause": "12" }, "r41": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "2", "Subparagraph": "instruction", "Clause": "14" }, "r42": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "2", "Subparagraph": "instruction", "Clause": "15" }, "r43": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "2", "Subparagraph": "instruction", "Clause": "7" }, "r44": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "2", "Subparagraph": "instruction", "Clause": "8" }, "r45": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "3" }, "r46": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "4" }, "r47": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "4", "Subparagraph": "instruction", "Clause": "3" }, "r48": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "4", "Subparagraph": "instruction", "Clause": "4" }, "r49": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "e" }, "r50": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "e", "Paragraph": "instruction", "Subparagraph": "6" }, "r51": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "f" }, "r52": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "g" }, "r53": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "g", "Paragraph": "1" }, "r54": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "g", "Paragraph": "2" }, "r55": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "g", "Paragraph": "3" }, "r56": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "g", "Paragraph": "4" }, "r57": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "g", "Paragraph": "5" }, "r58": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "g", "Paragraph": "6" }, "r59": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "g", "Paragraph": "instruction", "Subparagraph": "2" }, "r60": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "h", "Paragraph": "1" }, "r61": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "h", "Paragraph": "2" }, "r62": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "1", "Subparagraph": "d", "Sentence": "i" }, "r63": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3" }, "r64": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "a" }, "r65": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "b" }, "r66": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "c", "Sentence": "i" }, "r67": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "c", "Sentence": "iii" }, "r68": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "d" }, "r69": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "e" }, "r70": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "f", "Sentence": "i" }, "r71": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "i" }, "r72": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-T", "Number": "232", "Section": "313" }, "r73": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "29", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-29" }, "r74": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-5" }, "r75": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4K", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480434/815-10-50-4K" }, "r76": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "27", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480737/946-205-50-27" }, "r77": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column A)(Footnote 2)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-1" }, "r78": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-12A(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-2" }, "r79": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 1)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-3" }, "r80": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "6", "Subparagraph": "(SX 210.12-14(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-6" } } }