<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:country="http://xbrl.sec.gov/country/2025"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:fmr="http://www.fidelity.com/20260401"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:oef="http://xbrl.sec.gov/oef/2025"
  xmlns:us-gaap="http://fasb.org/us-gaap/2025"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="fmr-20260401.xsd" xlink:type="simple"/>
    <context id="C000121124_ClassMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-07-31</startDate>
            <endDate>2026-01-31</endDate>
        </period>
    </context>
    <context id="C000121124_InstantMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TI_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TI_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TI_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TI_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TI_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TI_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_AA_CommonStocks_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AACommonStocksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_GD_US_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:US</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TH_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TH_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TH_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TH_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TH_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TH_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TH_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TH_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TH_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121124_TH_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121124Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_ClassMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-07-31</startDate>
            <endDate>2026-01-31</endDate>
        </period>
    </context>
    <context id="C000121129_InstantMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TI_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TI_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TI_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TI_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TI_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TI_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TI_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TI_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TI_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TI_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_AA_CommonStocks_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AACommonStocksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_GD_JP_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:JP</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_GD_AU_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:AU</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_GD_GB_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:GB</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_GD_SG_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:SG</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_GD_HK_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:HK</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_GD_BE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:BE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_GD_SE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:SE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_GD_FR_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:FR</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_GD_DE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:DE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_GD_Other_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">fmr:OtherMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TH_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TH_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TH_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TH_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TH_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TH_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TH_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TH_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TH_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121129_TH_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121129Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_ClassMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-07-31</startDate>
            <endDate>2026-01-31</endDate>
        </period>
    </context>
    <context id="C000205046_InstantMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TI_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TI_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TI_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TI_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TI_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TI_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TI_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TI_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TI_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TI_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_AA_CommonStocks_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AACommonStocksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_GD_JP_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:JP</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_GD_AU_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:AU</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_GD_GB_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:GB</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_GD_SG_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:SG</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_GD_HK_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:HK</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_GD_BE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:BE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_GD_SE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:SE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_GD_FR_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:FR</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_GD_DE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:DE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_GD_Other_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">fmr:OtherMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TH_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TH_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TH_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TH_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TH_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TH_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TH_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TH_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TH_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000205046_TH_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000205046Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_ClassMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-07-31</startDate>
            <endDate>2026-01-31</endDate>
        </period>
    </context>
    <context id="C000121128_InstantMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TI_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TI_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TI_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TI_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TI_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TI_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TI_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TI_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TI_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TI_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_AA_CommonStocks_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AACommonStocksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_GD_JP_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:JP</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_GD_AU_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:AU</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_GD_GB_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:GB</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_GD_SG_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:SG</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_GD_HK_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:HK</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_GD_BE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:BE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_GD_SE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:SE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_GD_FR_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:FR</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_GD_DE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:DE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_GD_Other_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">fmr:OtherMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TH_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TH_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TH_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TH_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TH_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TH_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TH_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TH_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TH_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121128_TH_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121128Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_ClassMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-07-31</startDate>
            <endDate>2026-01-31</endDate>
        </period>
    </context>
    <context id="C000121130_InstantMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TI_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TI_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TI_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TI_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TI_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TI_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TI_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TI_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TI_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TI_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_AA_CommonStocks_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AACommonStocksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_GD_JP_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:JP</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_GD_AU_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:AU</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_GD_GB_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:GB</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_GD_SG_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:SG</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_GD_HK_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:HK</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_GD_BE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:BE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_GD_SE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:SE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_GD_FR_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:FR</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_GD_DE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:DE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_GD_Other_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">fmr:OtherMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TH_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TH_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TH_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TH_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TH_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TH_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TH_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TH_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TH_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121130_TH_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121130Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_ClassMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-07-31</startDate>
            <endDate>2026-01-31</endDate>
        </period>
    </context>
    <context id="C000121127_InstantMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TI_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TI_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TI_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TI_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TI_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TI_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TI_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TI_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TI_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TI_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_AA_CommonStocks_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AACommonStocksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_GD_JP_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:JP</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_GD_AU_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:AU</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_GD_GB_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:GB</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_GD_SG_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:SG</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_GD_HK_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:HK</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_GD_BE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:BE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_GD_SE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:SE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_GD_FR_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:FR</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_GD_DE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:DE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_GD_Other_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">fmr:OtherMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TH_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TH_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TH_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TH_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TH_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TH_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TH_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TH_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TH_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121127_TH_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121127Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_ClassMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-07-31</startDate>
            <endDate>2026-01-31</endDate>
        </period>
    </context>
    <context id="C000121125_InstantMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TI_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TI_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TI_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TI_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TI_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TI_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TI_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TI_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TI_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TI_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_AA_CommonStocks_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AACommonStocksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_GD_JP_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:JP</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_GD_AU_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:AU</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_GD_GB_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:GB</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_GD_SG_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:SG</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_GD_HK_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:HK</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_GD_BE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:BE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_GD_SE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:SE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_GD_FR_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:FR</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_GD_DE_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:DE</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_GD_Other_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">fmr:OtherMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TH_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TH_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TH_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TH_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TH_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TH_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TH_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TH_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TH_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000121125_TH_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000121125Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_ClassMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-07-31</startDate>
            <endDate>2026-01-31</endDate>
        </period>
    </context>
    <context id="C000270423_InstantMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TI_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TI_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TI_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TI_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TI_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TI_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_AA_CommonStocks_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AACommonStocksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_GD_US_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:US</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TH_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TH_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TH_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TH_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TH_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TH_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TH_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TH_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TH_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270423_TH_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270423Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_ClassMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-07-31</startDate>
            <endDate>2026-01-31</endDate>
        </period>
    </context>
    <context id="C000270424_InstantMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TI_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TI_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TI_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TI_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TI_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TI_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_AA_CommonStocks_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AACommonStocksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_GD_US_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:US</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TH_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TH_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TH_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TH_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TH_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TH_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TH_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TH_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TH_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270424_TH_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270424Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_ClassMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-07-31</startDate>
            <endDate>2026-01-31</endDate>
        </period>
    </context>
    <context id="C000270425_InstantMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TI_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TI_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TI_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TI_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TI_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TI_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_AA_CommonStocks_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AACommonStocksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_GD_US_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:US</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TH_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TH_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TH_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TH_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TH_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TH_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TH_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TH_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TH_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270425_TH_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270425Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_ClassMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-07-31</startDate>
            <endDate>2026-01-31</endDate>
        </period>
    </context>
    <context id="C000270422_InstantMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TI_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TI_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TI_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TI_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TI_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TI_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_AA_CommonStocks_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AACommonStocksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_GD_US_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:US</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TH_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TH_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TH_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TH_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TH_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TH_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TH_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TH_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TH_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270422_TH_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270422Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_ClassMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-07-31</startDate>
            <endDate>2026-01-31</endDate>
        </period>
    </context>
    <context id="C000270421_InstantMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TI_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TI_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TI_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TI_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TI_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TI_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">fmr:TI5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_AA_CommonStocks_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AACommonStocksMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">fmr:AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_GD_US_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:GeographicRegionAxis">country:US</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TH_0_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH0Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TH_1_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TH_2_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TH_3_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH3Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TH_4_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH4Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TH_5_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH5Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TH_6_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH6Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TH_7_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH7Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TH_8_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH8Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="C000270421_TH_9_Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">fmr:C000270421Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">fmr:TH9Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-01-31</instant>
        </period>
    </context>
    <context id="Trust">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000320351</identifier>
        </entity>
        <period>
            <startDate>2025-07-31</startDate>
            <endDate>2026-01-31</endDate>
        </period>
    </context>
    <unit id="usd">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <unit id="holding">
        <measure>shares</measure>
    </unit>
    <dei:DocumentType contextRef="Trust" id="ixv-26733">N-CSRS</dei:DocumentType>
    <dei:AmendmentFlag contextRef="Trust" id="ixv-26734">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey contextRef="Trust" id="ixv-26735">0000320351</dei:EntityCentralIndexKey>
    <dei:EntityInvCompanyType contextRef="Trust" id="ixv-26736">N-1A</dei:EntityInvCompanyType>
    <dei:EntityRegistrantName contextRef="Trust" id="ixv-26737">Fidelity Select Portfolios</dei:EntityRegistrantName>
    <dei:DocumentPeriodEndDate contextRef="Trust" id="ixv-92">2026-01-31</dei:DocumentPeriodEndDate>
    <oef:FundName contextRef="C000121124_ClassMember" id="ixv-104">Fidelity&#xae; Real Estate Investment Portfolio</oef:FundName>
    <oef:ClassName contextRef="C000121124_ClassMember" id="ixv-107">Fidelity&#xae; Real Estate Investment Portfolio</oef:ClassName>
    <dei:TradingSymbol contextRef="C000121124_ClassMember" id="ixv-111">FRESX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock contextRef="C000121124_ClassMember" id="ixv-130">This semi-annual shareholder report contains information about Fidelity&#xae; Real Estate Investment Portfolio for the period August 1, 2025 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual contextRef="C000121124_ClassMember" id="ixv-132">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock contextRef="C000121124_ClassMember" id="ixv-137">You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-800-544-8544 or by sending an e-mail to fidfunddocuments@fidelity.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite contextRef="C000121124_ClassMember" id="ixv-139">fundresearch.fidelity.com/prospectus/sec</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber contextRef="C000121124_ClassMember" id="ixv-142">1-800-544-8544</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail contextRef="C000121124_ClassMember" id="ixv-145">fidfunddocuments@fidelity.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock contextRef="C000121124_ClassMember" id="ixv-152">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;What were your Fund costs for the last six months?&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(based on hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;border-style:none;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:51%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs of a $10,000 investment&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs paid as a percentage of a $10,000 investment &lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:51%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fidelity&#xae; Real Estate Investment Portfolio&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$ &lt;/span&gt;32&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;0.62&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="C000121124_ClassMember"
      decimals="0"
      id="ixv-29381"
      unitRef="usd">32</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="C000121124_ClassMember"
      decimals="INF"
      id="ixv-29382"
      unitRef="pure">0.0062</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock contextRef="C000121124_ClassMember" id="ixv-192">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;Key Fund Statistics&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(as of January 31, 2026)&lt;/span&gt;&lt;/div&gt;
&lt;div&gt;&lt;span style="font-size:11px;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="1" style="border-collapse:separate;border-style:none;margin:auto;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:63%; " valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:bold;"&gt;KEY FACTS&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fund Size&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$&lt;/span&gt;3,050,854,347&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Number of Holdings&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;42&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Portfolio Turnover&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;23&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="C000121124_InstantMember"
      decimals="0"
      id="ixv-29383"
      unitRef="usd">3050854347</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="C000121124_InstantMember"
      decimals="INF"
      id="ixv-29384"
      unitRef="holding">42</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="C000121124_ClassMember"
      decimals="INF"
      id="ixv-29385"
      unitRef="pure">0.23</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock contextRef="C000121124_ClassMember" id="ixv-252">
&#160;
&#160;
&#160;
TOP INDUSTRIES
(% of Fund's net assets)


Specialized REITs

33.5

&#160;


Retail REITs

17.5

&#160;


Industrial REITs

15.3

&#160;


Health Care REITs

12.9

&#160;


Residential REITs

11.7

&#160;


Real Estate Management &amp; Development

8.4

&#160;


&#160;




&#160;
Common Stocks

99.3


Short-Term Investments and Net Other Assets (Liabilities)

0.7




ASSET ALLOCATION (% of Fund's net assets)


&#160;



&#160;

Common Stocks - 99.3&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Short-Term Investments and Net Other Assets (Liabilities) - 0.7


&#160;






United States

100.0




GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets)


&#160;



&#160;

United States - 100.0&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;




&#160;




&#160;
&#160;
</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000121124_TI_0_Member"
      decimals="INF"
      id="ixv-29386"
      unitRef="pure">0.335</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_TI_1_Member"
      decimals="INF"
      id="ixv-29387"
      unitRef="pure">0.175</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_TI_2_Member"
      decimals="INF"
      id="ixv-29388"
      unitRef="pure">0.153</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_TI_3_Member"
      decimals="INF"
      id="ixv-29389"
      unitRef="pure">0.129</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_TI_4_Member"
      decimals="INF"
      id="ixv-29390"
      unitRef="pure">0.117</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_TI_5_Member"
      decimals="INF"
      id="ixv-29391"
      unitRef="pure">0.084</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_AA_CommonStocks_Member"
      decimals="INF"
      id="ixv-29392"
      unitRef="pure">0.993</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member"
      decimals="INF"
      id="ixv-29393"
      unitRef="pure">0.007</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_GD_US_Member"
      decimals="INF"
      id="ixv-29394"
      unitRef="pure">1.000</oef:PctOfNav>
    <oef:LargestHoldingsTableTextBlock contextRef="C000121124_ClassMember" id="ixv-426">TOP HOLDINGS(% of Fund's net assets)

&#160;

&#160;


Prologis Inc

10.0


&#160;


Equinix Inc

8.9


&#160;


Welltower Inc

8.6


&#160;


American Tower Corp

8.2


&#160;


NNN REIT Inc

4.4


&#160;


Kimco Realty Corp

4.3


&#160;


Public Storage

4.1


&#160;


CBRE Group Inc Class A

3.9


&#160;


Digital Realty Trust Inc

3.9


&#160;


UDR Inc

3.5


&#160;


&#160;

59.8

&#160;



</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000121124_TH_0_Member"
      decimals="INF"
      id="ixv-29395"
      unitRef="pure">0.100</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_TH_1_Member"
      decimals="INF"
      id="ixv-29396"
      unitRef="pure">0.089</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_TH_2_Member"
      decimals="INF"
      id="ixv-29397"
      unitRef="pure">0.086</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_TH_3_Member"
      decimals="INF"
      id="ixv-29398"
      unitRef="pure">0.082</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_TH_4_Member"
      decimals="INF"
      id="ixv-29399"
      unitRef="pure">0.044</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_TH_5_Member"
      decimals="INF"
      id="ixv-29400"
      unitRef="pure">0.043</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_TH_6_Member"
      decimals="INF"
      id="ixv-29401"
      unitRef="pure">0.041</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_TH_7_Member"
      decimals="INF"
      id="ixv-29402"
      unitRef="pure">0.039</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_TH_8_Member"
      decimals="INF"
      id="ixv-29403"
      unitRef="pure">0.039</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121124_TH_9_Member"
      decimals="INF"
      id="ixv-29404"
      unitRef="pure">0.035</oef:PctOfNav>
    <dei:DocumentPeriodEndDate contextRef="Trust" id="ixv-597">2026-01-31</dei:DocumentPeriodEndDate>
    <oef:FundName contextRef="C000121129_ClassMember" id="ixv-609">Fidelity&#xae; International Real Estate Fund</oef:FundName>
    <oef:ClassName contextRef="C000121129_ClassMember" id="ixv-612">Fidelity&#xae; International Real Estate Fund</oef:ClassName>
    <dei:TradingSymbol contextRef="C000121129_ClassMember" id="ixv-616">FIREX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock contextRef="C000121129_ClassMember" id="ixv-635">This semi-annual shareholder report contains information about Fidelity&#xae; International Real Estate Fund for the period August 1, 2025 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual contextRef="C000121129_ClassMember" id="ixv-637">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock contextRef="C000121129_ClassMember" id="ixv-642">You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-800-544-8544 or by sending an e-mail to fidfunddocuments@fidelity.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite contextRef="C000121129_ClassMember" id="ixv-644">fundresearch.fidelity.com/prospectus/sec</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber contextRef="C000121129_ClassMember" id="ixv-647">1-800-544-8544</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail contextRef="C000121129_ClassMember" id="ixv-650">fidfunddocuments@fidelity.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock contextRef="C000121129_ClassMember" id="ixv-657">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;What were your Fund costs for the last six months?&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(based on hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;border-style:none;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:51%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs of a $10,000 investment&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs paid as a percentage of a $10,000 investment &lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:51%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fidelity&#xae; International Real Estate Fund&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$ &lt;/span&gt;47&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;0.88&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="C000121129_ClassMember"
      decimals="0"
      id="ixv-29405"
      unitRef="usd">47</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="C000121129_ClassMember"
      decimals="INF"
      id="ixv-29406"
      unitRef="pure">0.0088</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock contextRef="C000121129_ClassMember" id="ixv-697">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;Key Fund Statistics&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(as of January 31, 2026)&lt;/span&gt;&lt;/div&gt;
&lt;div&gt;&lt;span style="font-size:11px;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="1" style="border-collapse:separate;border-style:none;margin:auto;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:63%; " valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:bold;"&gt;KEY FACTS&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fund Size&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$&lt;/span&gt;360,223,460&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Number of Holdings&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;80&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Portfolio Turnover&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;96&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="C000121129_InstantMember"
      decimals="0"
      id="ixv-29407"
      unitRef="usd">360223460</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="C000121129_InstantMember"
      decimals="INF"
      id="ixv-29408"
      unitRef="holding">80</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="C000121129_ClassMember"
      decimals="INF"
      id="ixv-29409"
      unitRef="pure">0.96</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock contextRef="C000121129_ClassMember" id="ixv-757">
&#160;
&#160;
&#160;
TOP INDUSTRIES
(% of Fund's net assets)


Real Estate Management &amp; Development

47.2

&#160;


Industrial REITs

10.6

&#160;


Residential REITs

10.4

&#160;


Specialized REITs

8.3

&#160;


Health Care REITs

6.9

&#160;


Household Durables

4.6

&#160;


Retail REITs

4.4

&#160;


Diversified REITs

2.8

&#160;


Health Care Providers &amp; Services

2.7

&#160;


Others

1.7

&#160;


&#160;




&#160;
Common Stocks

99.6


Short-Term Investments and Net Other Assets (Liabilities)

0.4




ASSET ALLOCATION (% of Fund's net assets)


&#160;



&#160;

Common Stocks - 99.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Short-Term Investments and Net Other Assets (Liabilities) - 0.4


&#160;






Japan

22.4


Australia

11.8


United Kingdom

11.5


Singapore

8.7


Hong Kong

8.5


Belgium

6.6


Sweden

5.0


France

4.2


Germany

3.6


Others

17.7




GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets)


&#160;



&#160;

Japan - 22.4&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Australia - 11.8&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

United Kingdom - 11.5&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Singapore - 8.7&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Hong Kong - 8.5&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Belgium - 6.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Sweden - 5.0&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

France - 4.2&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Germany - 3.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Others - 17.7&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;




&#160;




&#160;
&#160;
</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000121129_TI_0_Member"
      decimals="INF"
      id="ixv-29410"
      unitRef="pure">0.472</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TI_1_Member"
      decimals="INF"
      id="ixv-29411"
      unitRef="pure">0.106</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TI_2_Member"
      decimals="INF"
      id="ixv-29412"
      unitRef="pure">0.104</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TI_3_Member"
      decimals="INF"
      id="ixv-29413"
      unitRef="pure">0.083</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TI_4_Member"
      decimals="INF"
      id="ixv-29414"
      unitRef="pure">0.069</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TI_5_Member"
      decimals="INF"
      id="ixv-29415"
      unitRef="pure">0.046</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TI_6_Member"
      decimals="INF"
      id="ixv-29416"
      unitRef="pure">0.044</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TI_7_Member"
      decimals="INF"
      id="ixv-29417"
      unitRef="pure">0.028</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TI_8_Member"
      decimals="INF"
      id="ixv-29418"
      unitRef="pure">0.027</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TI_9_Member"
      decimals="INF"
      id="ixv-29419"
      unitRef="pure">0.017</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_AA_CommonStocks_Member"
      decimals="INF"
      id="ixv-29420"
      unitRef="pure">0.996</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member"
      decimals="INF"
      id="ixv-29421"
      unitRef="pure">0.004</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_GD_JP_Member"
      decimals="INF"
      id="ixv-29422"
      unitRef="pure">0.224</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_GD_AU_Member"
      decimals="INF"
      id="ixv-29423"
      unitRef="pure">0.118</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_GD_GB_Member"
      decimals="INF"
      id="ixv-29424"
      unitRef="pure">0.115</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_GD_SG_Member"
      decimals="INF"
      id="ixv-29425"
      unitRef="pure">0.087</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_GD_HK_Member"
      decimals="INF"
      id="ixv-29426"
      unitRef="pure">0.085</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_GD_BE_Member"
      decimals="INF"
      id="ixv-29427"
      unitRef="pure">0.066</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_GD_SE_Member"
      decimals="INF"
      id="ixv-29428"
      unitRef="pure">0.050</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_GD_FR_Member"
      decimals="INF"
      id="ixv-29429"
      unitRef="pure">0.042</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_GD_DE_Member"
      decimals="INF"
      id="ixv-29430"
      unitRef="pure">0.036</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_GD_Other_Member"
      decimals="INF"
      id="ixv-29431"
      unitRef="pure">0.177</oef:PctOfNav>
    <oef:LargestHoldingsTableTextBlock contextRef="C000121129_ClassMember" id="ixv-1084">TOP HOLDINGS(% of Fund's net assets)

&#160;

&#160;


Wing Tai Holdings Ltd

4.9


&#160;


Sun Hung Kai Properties Ltd

3.8


&#160;


Hulic Co Ltd

3.2


&#160;


Advance Residence Investment Corp

3.0


&#160;


Ingenia Communities Group unit

3.0


&#160;


Warehouses De Pauw CVA

2.8


&#160;


Health Care &amp; Medical Investment Corp

2.7


&#160;


Parkway Life Real Estate Investment Trust

2.6


&#160;


Stockland unit

2.5


&#160;


Prologis Inc

2.4


&#160;


&#160;

30.9

&#160;



</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000121129_TH_0_Member"
      decimals="INF"
      id="ixv-29432"
      unitRef="pure">0.049</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TH_1_Member"
      decimals="INF"
      id="ixv-29433"
      unitRef="pure">0.038</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TH_2_Member"
      decimals="INF"
      id="ixv-29434"
      unitRef="pure">0.032</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TH_3_Member"
      decimals="INF"
      id="ixv-29435"
      unitRef="pure">0.030</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TH_4_Member"
      decimals="INF"
      id="ixv-29436"
      unitRef="pure">0.030</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TH_5_Member"
      decimals="INF"
      id="ixv-29437"
      unitRef="pure">0.028</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TH_6_Member"
      decimals="INF"
      id="ixv-29438"
      unitRef="pure">0.027</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TH_7_Member"
      decimals="INF"
      id="ixv-29439"
      unitRef="pure">0.026</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TH_8_Member"
      decimals="INF"
      id="ixv-29440"
      unitRef="pure">0.025</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121129_TH_9_Member"
      decimals="INF"
      id="ixv-29441"
      unitRef="pure">0.024</oef:PctOfNav>
    <dei:DocumentPeriodEndDate contextRef="Trust" id="ixv-1255">2026-01-31</dei:DocumentPeriodEndDate>
    <oef:FundName contextRef="C000205046_ClassMember" id="ixv-1267">Fidelity&#xae; International Real Estate Fund</oef:FundName>
    <oef:ClassName contextRef="C000205046_ClassMember" id="ixv-1270">Fidelity Advisor&#xae; International Real Estate Fund Class Z</oef:ClassName>
    <dei:TradingSymbol contextRef="C000205046_ClassMember" id="ixv-1274">FIKLX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock contextRef="C000205046_ClassMember" id="ixv-1293">This semi-annual shareholder report contains information about Fidelity&#xae; International Real Estate Fund for the period August 1, 2025 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual contextRef="C000205046_ClassMember" id="ixv-1295">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock contextRef="C000205046_ClassMember" id="ixv-1300">You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite contextRef="C000205046_ClassMember" id="ixv-1302">fundresearch.fidelity.com/prospectus/sec</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber contextRef="C000205046_ClassMember" id="ixv-1305">1-877-208-0098</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail contextRef="C000205046_ClassMember" id="ixv-1308">fidfunddocuments@fidelity.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock contextRef="C000205046_ClassMember" id="ixv-1315">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;What were your Fund costs for the last six months?&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(based on hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;border-style:none;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:51%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs of a $10,000 investment&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs paid as a percentage of a $10,000 investment &lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:51%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Class Z&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$ &lt;/span&gt;42&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;0.79&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="C000205046_ClassMember"
      decimals="0"
      id="ixv-29442"
      unitRef="usd">42</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="C000205046_ClassMember"
      decimals="INF"
      id="ixv-29443"
      unitRef="pure">0.0079</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock contextRef="C000205046_ClassMember" id="ixv-1355">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;Key Fund Statistics&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(as of January 31, 2026)&lt;/span&gt;&lt;/div&gt;
&lt;div&gt;&lt;span style="font-size:11px;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="1" style="border-collapse:separate;border-style:none;margin:auto;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:63%; " valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:bold;"&gt;KEY FACTS&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fund Size&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$&lt;/span&gt;360,223,460&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Number of Holdings&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;80&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Portfolio Turnover&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;96&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="C000205046_InstantMember"
      decimals="0"
      id="ixv-29444"
      unitRef="usd">360223460</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="C000205046_InstantMember"
      decimals="INF"
      id="ixv-29445"
      unitRef="holding">80</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="C000205046_ClassMember"
      decimals="INF"
      id="ixv-29446"
      unitRef="pure">0.96</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock contextRef="C000205046_ClassMember" id="ixv-1415">
&#160;
&#160;
&#160;
TOP INDUSTRIES
(% of Fund's net assets)


Real Estate Management &amp; Development

47.2

&#160;


Industrial REITs

10.6

&#160;


Residential REITs

10.4

&#160;


Specialized REITs

8.3

&#160;


Health Care REITs

6.9

&#160;


Household Durables

4.6

&#160;


Retail REITs

4.4

&#160;


Diversified REITs

2.8

&#160;


Health Care Providers &amp; Services

2.7

&#160;


Others

1.7

&#160;


&#160;




&#160;
Common Stocks

99.6


Short-Term Investments and Net Other Assets (Liabilities)

0.4




ASSET ALLOCATION (% of Fund's net assets)


&#160;



&#160;

Common Stocks - 99.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Short-Term Investments and Net Other Assets (Liabilities) - 0.4


&#160;






Japan

22.4


Australia

11.8


United Kingdom

11.5


Singapore

8.7


Hong Kong

8.5


Belgium

6.6


Sweden

5.0


France

4.2


Germany

3.6


Others

17.7




GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets)


&#160;



&#160;

Japan - 22.4&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Australia - 11.8&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

United Kingdom - 11.5&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Singapore - 8.7&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Hong Kong - 8.5&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Belgium - 6.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Sweden - 5.0&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

France - 4.2&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Germany - 3.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Others - 17.7&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;




&#160;




&#160;
&#160;
</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000205046_TI_0_Member"
      decimals="INF"
      id="ixv-29447"
      unitRef="pure">0.472</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TI_1_Member"
      decimals="INF"
      id="ixv-29448"
      unitRef="pure">0.106</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TI_2_Member"
      decimals="INF"
      id="ixv-29449"
      unitRef="pure">0.104</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TI_3_Member"
      decimals="INF"
      id="ixv-29450"
      unitRef="pure">0.083</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TI_4_Member"
      decimals="INF"
      id="ixv-29451"
      unitRef="pure">0.069</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TI_5_Member"
      decimals="INF"
      id="ixv-29452"
      unitRef="pure">0.046</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TI_6_Member"
      decimals="INF"
      id="ixv-29453"
      unitRef="pure">0.044</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TI_7_Member"
      decimals="INF"
      id="ixv-29454"
      unitRef="pure">0.028</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TI_8_Member"
      decimals="INF"
      id="ixv-29455"
      unitRef="pure">0.027</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TI_9_Member"
      decimals="INF"
      id="ixv-29456"
      unitRef="pure">0.017</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_AA_CommonStocks_Member"
      decimals="INF"
      id="ixv-29457"
      unitRef="pure">0.996</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member"
      decimals="INF"
      id="ixv-29458"
      unitRef="pure">0.004</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_GD_JP_Member"
      decimals="INF"
      id="ixv-29459"
      unitRef="pure">0.224</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_GD_AU_Member"
      decimals="INF"
      id="ixv-29460"
      unitRef="pure">0.118</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_GD_GB_Member"
      decimals="INF"
      id="ixv-29461"
      unitRef="pure">0.115</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_GD_SG_Member"
      decimals="INF"
      id="ixv-29462"
      unitRef="pure">0.087</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_GD_HK_Member"
      decimals="INF"
      id="ixv-29463"
      unitRef="pure">0.085</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_GD_BE_Member"
      decimals="INF"
      id="ixv-29464"
      unitRef="pure">0.066</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_GD_SE_Member"
      decimals="INF"
      id="ixv-29465"
      unitRef="pure">0.050</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_GD_FR_Member"
      decimals="INF"
      id="ixv-29466"
      unitRef="pure">0.042</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_GD_DE_Member"
      decimals="INF"
      id="ixv-29467"
      unitRef="pure">0.036</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_GD_Other_Member"
      decimals="INF"
      id="ixv-29468"
      unitRef="pure">0.177</oef:PctOfNav>
    <oef:LargestHoldingsTableTextBlock contextRef="C000205046_ClassMember" id="ixv-1742">TOP HOLDINGS(% of Fund's net assets)

&#160;

&#160;


Wing Tai Holdings Ltd

4.9


&#160;


Sun Hung Kai Properties Ltd

3.8


&#160;


Hulic Co Ltd

3.2


&#160;


Advance Residence Investment Corp

3.0


&#160;


Ingenia Communities Group unit

3.0


&#160;


Warehouses De Pauw CVA

2.8


&#160;


Health Care &amp; Medical Investment Corp

2.7


&#160;


Parkway Life Real Estate Investment Trust

2.6


&#160;


Stockland unit

2.5


&#160;


Prologis Inc

2.4


&#160;


&#160;

30.9

&#160;



</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000205046_TH_0_Member"
      decimals="INF"
      id="ixv-29469"
      unitRef="pure">0.049</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TH_1_Member"
      decimals="INF"
      id="ixv-29470"
      unitRef="pure">0.038</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TH_2_Member"
      decimals="INF"
      id="ixv-29471"
      unitRef="pure">0.032</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TH_3_Member"
      decimals="INF"
      id="ixv-29472"
      unitRef="pure">0.030</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TH_4_Member"
      decimals="INF"
      id="ixv-29473"
      unitRef="pure">0.030</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TH_5_Member"
      decimals="INF"
      id="ixv-29474"
      unitRef="pure">0.028</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TH_6_Member"
      decimals="INF"
      id="ixv-29475"
      unitRef="pure">0.027</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TH_7_Member"
      decimals="INF"
      id="ixv-29476"
      unitRef="pure">0.026</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TH_8_Member"
      decimals="INF"
      id="ixv-29477"
      unitRef="pure">0.025</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000205046_TH_9_Member"
      decimals="INF"
      id="ixv-29478"
      unitRef="pure">0.024</oef:PctOfNav>
    <dei:DocumentPeriodEndDate contextRef="Trust" id="ixv-1913">2026-01-31</dei:DocumentPeriodEndDate>
    <oef:FundName contextRef="C000121128_ClassMember" id="ixv-1925">Fidelity&#xae; International Real Estate Fund</oef:FundName>
    <oef:ClassName contextRef="C000121128_ClassMember" id="ixv-1928">Fidelity Advisor&#xae; International Real Estate Fund Class M</oef:ClassName>
    <dei:TradingSymbol contextRef="C000121128_ClassMember" id="ixv-1932">FIRTX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock contextRef="C000121128_ClassMember" id="ixv-1951">This semi-annual shareholder report contains information about Fidelity&#xae; International Real Estate Fund for the period August 1, 2025 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual contextRef="C000121128_ClassMember" id="ixv-1953">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock contextRef="C000121128_ClassMember" id="ixv-1958">You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite contextRef="C000121128_ClassMember" id="ixv-1960">fundresearch.fidelity.com/prospectus/sec</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber contextRef="C000121128_ClassMember" id="ixv-1963">1-877-208-0098</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail contextRef="C000121128_ClassMember" id="ixv-1966">fidfunddocuments@fidelity.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock contextRef="C000121128_ClassMember" id="ixv-1973">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;What were your Fund costs for the last six months?&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(based on hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;border-style:none;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:51%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs of a $10,000 investment&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs paid as a percentage of a $10,000 investment &lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:51%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Class M&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$ &lt;/span&gt;76&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;1.42&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="C000121128_ClassMember"
      decimals="0"
      id="ixv-29479"
      unitRef="usd">76</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="C000121128_ClassMember"
      decimals="INF"
      id="ixv-29480"
      unitRef="pure">0.0142</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock contextRef="C000121128_ClassMember" id="ixv-2013">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;Key Fund Statistics&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(as of January 31, 2026)&lt;/span&gt;&lt;/div&gt;
&lt;div&gt;&lt;span style="font-size:11px;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="1" style="border-collapse:separate;border-style:none;margin:auto;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:63%; " valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:bold;"&gt;KEY FACTS&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fund Size&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$&lt;/span&gt;360,223,460&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Number of Holdings&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;80&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Portfolio Turnover&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;96&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="C000121128_InstantMember"
      decimals="0"
      id="ixv-29481"
      unitRef="usd">360223460</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="C000121128_InstantMember"
      decimals="INF"
      id="ixv-29482"
      unitRef="holding">80</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="C000121128_ClassMember"
      decimals="INF"
      id="ixv-29483"
      unitRef="pure">0.96</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock contextRef="C000121128_ClassMember" id="ixv-2073">
&#160;
&#160;
&#160;
TOP INDUSTRIES
(% of Fund's net assets)


Real Estate Management &amp; Development

47.2

&#160;


Industrial REITs

10.6

&#160;


Residential REITs

10.4

&#160;


Specialized REITs

8.3

&#160;


Health Care REITs

6.9

&#160;


Household Durables

4.6

&#160;


Retail REITs

4.4

&#160;


Diversified REITs

2.8

&#160;


Health Care Providers &amp; Services

2.7

&#160;


Others

1.7

&#160;


&#160;




&#160;
Common Stocks

99.6


Short-Term Investments and Net Other Assets (Liabilities)

0.4




ASSET ALLOCATION (% of Fund's net assets)


&#160;



&#160;

Common Stocks - 99.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Short-Term Investments and Net Other Assets (Liabilities) - 0.4


&#160;






Japan

22.4


Australia

11.8


United Kingdom

11.5


Singapore

8.7


Hong Kong

8.5


Belgium

6.6


Sweden

5.0


France

4.2


Germany

3.6


Others

17.7




GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets)


&#160;



&#160;

Japan - 22.4&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Australia - 11.8&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

United Kingdom - 11.5&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Singapore - 8.7&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Hong Kong - 8.5&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Belgium - 6.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Sweden - 5.0&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

France - 4.2&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Germany - 3.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Others - 17.7&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;




&#160;




&#160;
&#160;
</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000121128_TI_0_Member"
      decimals="INF"
      id="ixv-29484"
      unitRef="pure">0.472</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TI_1_Member"
      decimals="INF"
      id="ixv-29485"
      unitRef="pure">0.106</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TI_2_Member"
      decimals="INF"
      id="ixv-29486"
      unitRef="pure">0.104</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TI_3_Member"
      decimals="INF"
      id="ixv-29487"
      unitRef="pure">0.083</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TI_4_Member"
      decimals="INF"
      id="ixv-29488"
      unitRef="pure">0.069</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TI_5_Member"
      decimals="INF"
      id="ixv-29489"
      unitRef="pure">0.046</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TI_6_Member"
      decimals="INF"
      id="ixv-29490"
      unitRef="pure">0.044</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TI_7_Member"
      decimals="INF"
      id="ixv-29491"
      unitRef="pure">0.028</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TI_8_Member"
      decimals="INF"
      id="ixv-29492"
      unitRef="pure">0.027</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TI_9_Member"
      decimals="INF"
      id="ixv-29493"
      unitRef="pure">0.017</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_AA_CommonStocks_Member"
      decimals="INF"
      id="ixv-29494"
      unitRef="pure">0.996</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member"
      decimals="INF"
      id="ixv-29495"
      unitRef="pure">0.004</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_GD_JP_Member"
      decimals="INF"
      id="ixv-29496"
      unitRef="pure">0.224</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_GD_AU_Member"
      decimals="INF"
      id="ixv-29497"
      unitRef="pure">0.118</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_GD_GB_Member"
      decimals="INF"
      id="ixv-29498"
      unitRef="pure">0.115</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_GD_SG_Member"
      decimals="INF"
      id="ixv-29499"
      unitRef="pure">0.087</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_GD_HK_Member"
      decimals="INF"
      id="ixv-29500"
      unitRef="pure">0.085</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_GD_BE_Member"
      decimals="INF"
      id="ixv-29501"
      unitRef="pure">0.066</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_GD_SE_Member"
      decimals="INF"
      id="ixv-29502"
      unitRef="pure">0.050</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_GD_FR_Member"
      decimals="INF"
      id="ixv-29503"
      unitRef="pure">0.042</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_GD_DE_Member"
      decimals="INF"
      id="ixv-29504"
      unitRef="pure">0.036</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_GD_Other_Member"
      decimals="INF"
      id="ixv-29505"
      unitRef="pure">0.177</oef:PctOfNav>
    <oef:LargestHoldingsTableTextBlock contextRef="C000121128_ClassMember" id="ixv-2400">TOP HOLDINGS(% of Fund's net assets)

&#160;

&#160;


Wing Tai Holdings Ltd

4.9


&#160;


Sun Hung Kai Properties Ltd

3.8


&#160;


Hulic Co Ltd

3.2


&#160;


Advance Residence Investment Corp

3.0


&#160;


Ingenia Communities Group unit

3.0


&#160;


Warehouses De Pauw CVA

2.8


&#160;


Health Care &amp; Medical Investment Corp

2.7


&#160;


Parkway Life Real Estate Investment Trust

2.6


&#160;


Stockland unit

2.5


&#160;


Prologis Inc

2.4


&#160;


&#160;

30.9

&#160;



</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000121128_TH_0_Member"
      decimals="INF"
      id="ixv-29506"
      unitRef="pure">0.049</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TH_1_Member"
      decimals="INF"
      id="ixv-29507"
      unitRef="pure">0.038</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TH_2_Member"
      decimals="INF"
      id="ixv-29508"
      unitRef="pure">0.032</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TH_3_Member"
      decimals="INF"
      id="ixv-29509"
      unitRef="pure">0.030</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TH_4_Member"
      decimals="INF"
      id="ixv-29510"
      unitRef="pure">0.030</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TH_5_Member"
      decimals="INF"
      id="ixv-29511"
      unitRef="pure">0.028</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TH_6_Member"
      decimals="INF"
      id="ixv-29512"
      unitRef="pure">0.027</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TH_7_Member"
      decimals="INF"
      id="ixv-29513"
      unitRef="pure">0.026</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TH_8_Member"
      decimals="INF"
      id="ixv-29514"
      unitRef="pure">0.025</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121128_TH_9_Member"
      decimals="INF"
      id="ixv-29515"
      unitRef="pure">0.024</oef:PctOfNav>
    <dei:DocumentPeriodEndDate contextRef="Trust" id="ixv-2571">2026-01-31</dei:DocumentPeriodEndDate>
    <oef:FundName contextRef="C000121130_ClassMember" id="ixv-2583">Fidelity&#xae; International Real Estate Fund</oef:FundName>
    <oef:ClassName contextRef="C000121130_ClassMember" id="ixv-2586">Fidelity Advisor&#xae; International Real Estate Fund Class I</oef:ClassName>
    <dei:TradingSymbol contextRef="C000121130_ClassMember" id="ixv-2590">FIRIX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock contextRef="C000121130_ClassMember" id="ixv-2609">This semi-annual shareholder report contains information about Fidelity&#xae; International Real Estate Fund for the period August 1, 2025 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual contextRef="C000121130_ClassMember" id="ixv-2611">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock contextRef="C000121130_ClassMember" id="ixv-2616">You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite contextRef="C000121130_ClassMember" id="ixv-2618">fundresearch.fidelity.com/prospectus/sec</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber contextRef="C000121130_ClassMember" id="ixv-2621">1-877-208-0098</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail contextRef="C000121130_ClassMember" id="ixv-2624">fidfunddocuments@fidelity.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock contextRef="C000121130_ClassMember" id="ixv-2631">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;What were your Fund costs for the last six months?&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(based on hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;border-style:none;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:51%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs of a $10,000 investment&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs paid as a percentage of a $10,000 investment &lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:51%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Class I&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$ &lt;/span&gt;48&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;0.91&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="C000121130_ClassMember"
      decimals="0"
      id="ixv-29516"
      unitRef="usd">48</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="C000121130_ClassMember"
      decimals="INF"
      id="ixv-29517"
      unitRef="pure">0.0091</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock contextRef="C000121130_ClassMember" id="ixv-2671">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;Key Fund Statistics&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(as of January 31, 2026)&lt;/span&gt;&lt;/div&gt;
&lt;div&gt;&lt;span style="font-size:11px;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="1" style="border-collapse:separate;border-style:none;margin:auto;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:63%; " valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:bold;"&gt;KEY FACTS&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fund Size&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$&lt;/span&gt;360,223,460&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Number of Holdings&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;80&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Portfolio Turnover&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;96&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="C000121130_InstantMember"
      decimals="0"
      id="ixv-29518"
      unitRef="usd">360223460</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="C000121130_InstantMember"
      decimals="INF"
      id="ixv-29519"
      unitRef="holding">80</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="C000121130_ClassMember"
      decimals="INF"
      id="ixv-29520"
      unitRef="pure">0.96</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock contextRef="C000121130_ClassMember" id="ixv-2731">
&#160;
&#160;
&#160;
TOP INDUSTRIES
(% of Fund's net assets)


Real Estate Management &amp; Development

47.2

&#160;


Industrial REITs

10.6

&#160;


Residential REITs

10.4

&#160;


Specialized REITs

8.3

&#160;


Health Care REITs

6.9

&#160;


Household Durables

4.6

&#160;


Retail REITs

4.4

&#160;


Diversified REITs

2.8

&#160;


Health Care Providers &amp; Services

2.7

&#160;


Others

1.7

&#160;


&#160;




&#160;
Common Stocks

99.6


Short-Term Investments and Net Other Assets (Liabilities)

0.4




ASSET ALLOCATION (% of Fund's net assets)


&#160;



&#160;

Common Stocks - 99.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Short-Term Investments and Net Other Assets (Liabilities) - 0.4


&#160;






Japan

22.4


Australia

11.8


United Kingdom

11.5


Singapore

8.7


Hong Kong

8.5


Belgium

6.6


Sweden

5.0


France

4.2


Germany

3.6


Others

17.7




GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets)


&#160;



&#160;

Japan - 22.4&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Australia - 11.8&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

United Kingdom - 11.5&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Singapore - 8.7&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Hong Kong - 8.5&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Belgium - 6.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Sweden - 5.0&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

France - 4.2&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Germany - 3.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Others - 17.7&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;




&#160;




&#160;
&#160;
</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000121130_TI_0_Member"
      decimals="INF"
      id="ixv-29521"
      unitRef="pure">0.472</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TI_1_Member"
      decimals="INF"
      id="ixv-29522"
      unitRef="pure">0.106</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TI_2_Member"
      decimals="INF"
      id="ixv-29523"
      unitRef="pure">0.104</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TI_3_Member"
      decimals="INF"
      id="ixv-29524"
      unitRef="pure">0.083</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TI_4_Member"
      decimals="INF"
      id="ixv-29525"
      unitRef="pure">0.069</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TI_5_Member"
      decimals="INF"
      id="ixv-29526"
      unitRef="pure">0.046</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TI_6_Member"
      decimals="INF"
      id="ixv-29527"
      unitRef="pure">0.044</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TI_7_Member"
      decimals="INF"
      id="ixv-29528"
      unitRef="pure">0.028</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TI_8_Member"
      decimals="INF"
      id="ixv-29529"
      unitRef="pure">0.027</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TI_9_Member"
      decimals="INF"
      id="ixv-29530"
      unitRef="pure">0.017</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_AA_CommonStocks_Member"
      decimals="INF"
      id="ixv-29531"
      unitRef="pure">0.996</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member"
      decimals="INF"
      id="ixv-29532"
      unitRef="pure">0.004</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_GD_JP_Member"
      decimals="INF"
      id="ixv-29533"
      unitRef="pure">0.224</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_GD_AU_Member"
      decimals="INF"
      id="ixv-29534"
      unitRef="pure">0.118</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_GD_GB_Member"
      decimals="INF"
      id="ixv-29535"
      unitRef="pure">0.115</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_GD_SG_Member"
      decimals="INF"
      id="ixv-29536"
      unitRef="pure">0.087</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_GD_HK_Member"
      decimals="INF"
      id="ixv-29537"
      unitRef="pure">0.085</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_GD_BE_Member"
      decimals="INF"
      id="ixv-29538"
      unitRef="pure">0.066</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_GD_SE_Member"
      decimals="INF"
      id="ixv-29539"
      unitRef="pure">0.050</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_GD_FR_Member"
      decimals="INF"
      id="ixv-29540"
      unitRef="pure">0.042</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_GD_DE_Member"
      decimals="INF"
      id="ixv-29541"
      unitRef="pure">0.036</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_GD_Other_Member"
      decimals="INF"
      id="ixv-29542"
      unitRef="pure">0.177</oef:PctOfNav>
    <oef:LargestHoldingsTableTextBlock contextRef="C000121130_ClassMember" id="ixv-3058">TOP HOLDINGS(% of Fund's net assets)

&#160;

&#160;


Wing Tai Holdings Ltd

4.9


&#160;


Sun Hung Kai Properties Ltd

3.8


&#160;


Hulic Co Ltd

3.2


&#160;


Advance Residence Investment Corp

3.0


&#160;


Ingenia Communities Group unit

3.0


&#160;


Warehouses De Pauw CVA

2.8


&#160;


Health Care &amp; Medical Investment Corp

2.7


&#160;


Parkway Life Real Estate Investment Trust

2.6


&#160;


Stockland unit

2.5


&#160;


Prologis Inc

2.4


&#160;


&#160;

30.9

&#160;



</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000121130_TH_0_Member"
      decimals="INF"
      id="ixv-29543"
      unitRef="pure">0.049</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TH_1_Member"
      decimals="INF"
      id="ixv-29544"
      unitRef="pure">0.038</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TH_2_Member"
      decimals="INF"
      id="ixv-29545"
      unitRef="pure">0.032</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TH_3_Member"
      decimals="INF"
      id="ixv-29546"
      unitRef="pure">0.030</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TH_4_Member"
      decimals="INF"
      id="ixv-29547"
      unitRef="pure">0.030</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TH_5_Member"
      decimals="INF"
      id="ixv-29548"
      unitRef="pure">0.028</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TH_6_Member"
      decimals="INF"
      id="ixv-29549"
      unitRef="pure">0.027</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TH_7_Member"
      decimals="INF"
      id="ixv-29550"
      unitRef="pure">0.026</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TH_8_Member"
      decimals="INF"
      id="ixv-29551"
      unitRef="pure">0.025</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121130_TH_9_Member"
      decimals="INF"
      id="ixv-29552"
      unitRef="pure">0.024</oef:PctOfNav>
    <dei:DocumentPeriodEndDate contextRef="Trust" id="ixv-3229">2026-01-31</dei:DocumentPeriodEndDate>
    <oef:FundName contextRef="C000121127_ClassMember" id="ixv-3241">Fidelity&#xae; International Real Estate Fund</oef:FundName>
    <oef:ClassName contextRef="C000121127_ClassMember" id="ixv-3244">Fidelity Advisor&#xae; International Real Estate Fund Class C</oef:ClassName>
    <dei:TradingSymbol contextRef="C000121127_ClassMember" id="ixv-3248">FIRCX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock contextRef="C000121127_ClassMember" id="ixv-3267">This semi-annual shareholder report contains information about Fidelity&#xae; International Real Estate Fund for the period August 1, 2025 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual contextRef="C000121127_ClassMember" id="ixv-3269">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock contextRef="C000121127_ClassMember" id="ixv-3274">You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite contextRef="C000121127_ClassMember" id="ixv-3276">fundresearch.fidelity.com/prospectus/sec</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber contextRef="C000121127_ClassMember" id="ixv-3279">1-877-208-0098</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail contextRef="C000121127_ClassMember" id="ixv-3282">fidfunddocuments@fidelity.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock contextRef="C000121127_ClassMember" id="ixv-3289">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;What were your Fund costs for the last six months?&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(based on hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;border-style:none;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:51%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs of a $10,000 investment&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs paid as a percentage of a $10,000 investment &lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:51%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Class C&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$ &lt;/span&gt;103&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;1.92&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="C000121127_ClassMember"
      decimals="0"
      id="ixv-29553"
      unitRef="usd">103</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="C000121127_ClassMember"
      decimals="INF"
      id="ixv-29554"
      unitRef="pure">0.0192</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock contextRef="C000121127_ClassMember" id="ixv-3329">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;Key Fund Statistics&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(as of January 31, 2026)&lt;/span&gt;&lt;/div&gt;
&lt;div&gt;&lt;span style="font-size:11px;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="1" style="border-collapse:separate;border-style:none;margin:auto;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:63%; " valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:bold;"&gt;KEY FACTS&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fund Size&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$&lt;/span&gt;360,223,460&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Number of Holdings&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;80&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Portfolio Turnover&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;96&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="C000121127_InstantMember"
      decimals="0"
      id="ixv-29555"
      unitRef="usd">360223460</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="C000121127_InstantMember"
      decimals="INF"
      id="ixv-29556"
      unitRef="holding">80</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="C000121127_ClassMember"
      decimals="INF"
      id="ixv-29557"
      unitRef="pure">0.96</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock contextRef="C000121127_ClassMember" id="ixv-3389">
&#160;
&#160;
&#160;
TOP INDUSTRIES
(% of Fund's net assets)


Real Estate Management &amp; Development

47.2

&#160;


Industrial REITs

10.6

&#160;


Residential REITs

10.4

&#160;


Specialized REITs

8.3

&#160;


Health Care REITs

6.9

&#160;


Household Durables

4.6

&#160;


Retail REITs

4.4

&#160;


Diversified REITs

2.8

&#160;


Health Care Providers &amp; Services

2.7

&#160;


Others

1.7

&#160;


&#160;




&#160;
Common Stocks

99.6


Short-Term Investments and Net Other Assets (Liabilities)

0.4




ASSET ALLOCATION (% of Fund's net assets)


&#160;



&#160;

Common Stocks - 99.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Short-Term Investments and Net Other Assets (Liabilities) - 0.4


&#160;






Japan

22.4


Australia

11.8


United Kingdom

11.5


Singapore

8.7


Hong Kong

8.5


Belgium

6.6


Sweden

5.0


France

4.2


Germany

3.6


Others

17.7




GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets)


&#160;



&#160;

Japan - 22.4&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Australia - 11.8&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

United Kingdom - 11.5&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Singapore - 8.7&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Hong Kong - 8.5&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Belgium - 6.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Sweden - 5.0&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

France - 4.2&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Germany - 3.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Others - 17.7&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;




&#160;




&#160;
&#160;
</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000121127_TI_0_Member"
      decimals="INF"
      id="ixv-29558"
      unitRef="pure">0.472</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TI_1_Member"
      decimals="INF"
      id="ixv-29559"
      unitRef="pure">0.106</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TI_2_Member"
      decimals="INF"
      id="ixv-29560"
      unitRef="pure">0.104</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TI_3_Member"
      decimals="INF"
      id="ixv-29561"
      unitRef="pure">0.083</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TI_4_Member"
      decimals="INF"
      id="ixv-29562"
      unitRef="pure">0.069</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TI_5_Member"
      decimals="INF"
      id="ixv-29563"
      unitRef="pure">0.046</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TI_6_Member"
      decimals="INF"
      id="ixv-29564"
      unitRef="pure">0.044</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TI_7_Member"
      decimals="INF"
      id="ixv-29565"
      unitRef="pure">0.028</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TI_8_Member"
      decimals="INF"
      id="ixv-29566"
      unitRef="pure">0.027</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TI_9_Member"
      decimals="INF"
      id="ixv-29567"
      unitRef="pure">0.017</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_AA_CommonStocks_Member"
      decimals="INF"
      id="ixv-29568"
      unitRef="pure">0.996</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member"
      decimals="INF"
      id="ixv-29569"
      unitRef="pure">0.004</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_GD_JP_Member"
      decimals="INF"
      id="ixv-29570"
      unitRef="pure">0.224</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_GD_AU_Member"
      decimals="INF"
      id="ixv-29571"
      unitRef="pure">0.118</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_GD_GB_Member"
      decimals="INF"
      id="ixv-29572"
      unitRef="pure">0.115</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_GD_SG_Member"
      decimals="INF"
      id="ixv-29573"
      unitRef="pure">0.087</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_GD_HK_Member"
      decimals="INF"
      id="ixv-29574"
      unitRef="pure">0.085</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_GD_BE_Member"
      decimals="INF"
      id="ixv-29575"
      unitRef="pure">0.066</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_GD_SE_Member"
      decimals="INF"
      id="ixv-29576"
      unitRef="pure">0.050</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_GD_FR_Member"
      decimals="INF"
      id="ixv-29577"
      unitRef="pure">0.042</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_GD_DE_Member"
      decimals="INF"
      id="ixv-29578"
      unitRef="pure">0.036</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_GD_Other_Member"
      decimals="INF"
      id="ixv-29579"
      unitRef="pure">0.177</oef:PctOfNav>
    <oef:LargestHoldingsTableTextBlock contextRef="C000121127_ClassMember" id="ixv-3716">TOP HOLDINGS(% of Fund's net assets)

&#160;

&#160;


Wing Tai Holdings Ltd

4.9


&#160;


Sun Hung Kai Properties Ltd

3.8


&#160;


Hulic Co Ltd

3.2


&#160;


Advance Residence Investment Corp

3.0


&#160;


Ingenia Communities Group unit

3.0


&#160;


Warehouses De Pauw CVA

2.8


&#160;


Health Care &amp; Medical Investment Corp

2.7


&#160;


Parkway Life Real Estate Investment Trust

2.6


&#160;


Stockland unit

2.5


&#160;


Prologis Inc

2.4


&#160;


&#160;

30.9

&#160;



</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000121127_TH_0_Member"
      decimals="INF"
      id="ixv-29580"
      unitRef="pure">0.049</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TH_1_Member"
      decimals="INF"
      id="ixv-29581"
      unitRef="pure">0.038</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TH_2_Member"
      decimals="INF"
      id="ixv-29582"
      unitRef="pure">0.032</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TH_3_Member"
      decimals="INF"
      id="ixv-29583"
      unitRef="pure">0.030</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TH_4_Member"
      decimals="INF"
      id="ixv-29584"
      unitRef="pure">0.030</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TH_5_Member"
      decimals="INF"
      id="ixv-29585"
      unitRef="pure">0.028</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TH_6_Member"
      decimals="INF"
      id="ixv-29586"
      unitRef="pure">0.027</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TH_7_Member"
      decimals="INF"
      id="ixv-29587"
      unitRef="pure">0.026</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TH_8_Member"
      decimals="INF"
      id="ixv-29588"
      unitRef="pure">0.025</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121127_TH_9_Member"
      decimals="INF"
      id="ixv-29589"
      unitRef="pure">0.024</oef:PctOfNav>
    <dei:DocumentPeriodEndDate contextRef="Trust" id="ixv-3887">2026-01-31</dei:DocumentPeriodEndDate>
    <oef:FundName contextRef="C000121125_ClassMember" id="ixv-3899">Fidelity&#xae; International Real Estate Fund</oef:FundName>
    <oef:ClassName contextRef="C000121125_ClassMember" id="ixv-3902">Fidelity Advisor&#xae; International Real Estate Fund Class A</oef:ClassName>
    <dei:TradingSymbol contextRef="C000121125_ClassMember" id="ixv-3906">FIRAX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock contextRef="C000121125_ClassMember" id="ixv-3925">This semi-annual shareholder report contains information about Fidelity&#xae; International Real Estate Fund for the period August 1, 2025 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual contextRef="C000121125_ClassMember" id="ixv-3927">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock contextRef="C000121125_ClassMember" id="ixv-3932">You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite contextRef="C000121125_ClassMember" id="ixv-3934">fundresearch.fidelity.com/prospectus/sec</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber contextRef="C000121125_ClassMember" id="ixv-3937">1-877-208-0098</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail contextRef="C000121125_ClassMember" id="ixv-3940">fidfunddocuments@fidelity.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock contextRef="C000121125_ClassMember" id="ixv-3947">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;What were your Fund costs for the last six months?&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(based on hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;border-style:none;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:51%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs of a $10,000 investment&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs paid as a percentage of a $10,000 investment &lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:51%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Class A&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$ &lt;/span&gt;63&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;1.17&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="C000121125_ClassMember"
      decimals="0"
      id="ixv-29590"
      unitRef="usd">63</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="C000121125_ClassMember"
      decimals="INF"
      id="ixv-29591"
      unitRef="pure">0.0117</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock contextRef="C000121125_ClassMember" id="ixv-3987">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;Key Fund Statistics&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(as of January 31, 2026)&lt;/span&gt;&lt;/div&gt;
&lt;div&gt;&lt;span style="font-size:11px;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="1" style="border-collapse:separate;border-style:none;margin:auto;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:63%; " valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:bold;"&gt;KEY FACTS&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fund Size&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$&lt;/span&gt;360,223,460&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Number of Holdings&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;80&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Portfolio Turnover&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;96&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="C000121125_InstantMember"
      decimals="0"
      id="ixv-29592"
      unitRef="usd">360223460</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="C000121125_InstantMember"
      decimals="INF"
      id="ixv-29593"
      unitRef="holding">80</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="C000121125_ClassMember"
      decimals="INF"
      id="ixv-29594"
      unitRef="pure">0.96</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock contextRef="C000121125_ClassMember" id="ixv-4047">
&#160;
&#160;
&#160;
TOP INDUSTRIES
(% of Fund's net assets)


Real Estate Management &amp; Development

47.2

&#160;


Industrial REITs

10.6

&#160;


Residential REITs

10.4

&#160;


Specialized REITs

8.3

&#160;


Health Care REITs

6.9

&#160;


Household Durables

4.6

&#160;


Retail REITs

4.4

&#160;


Diversified REITs

2.8

&#160;


Health Care Providers &amp; Services

2.7

&#160;


Others

1.7

&#160;


&#160;




&#160;
Common Stocks

99.6


Short-Term Investments and Net Other Assets (Liabilities)

0.4




ASSET ALLOCATION (% of Fund's net assets)


&#160;



&#160;

Common Stocks - 99.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Short-Term Investments and Net Other Assets (Liabilities) - 0.4


&#160;






Japan

22.4


Australia

11.8


United Kingdom

11.5


Singapore

8.7


Hong Kong

8.5


Belgium

6.6


Sweden

5.0


France

4.2


Germany

3.6


Others

17.7




GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets)


&#160;



&#160;

Japan - 22.4&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Australia - 11.8&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

United Kingdom - 11.5&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Singapore - 8.7&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Hong Kong - 8.5&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Belgium - 6.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Sweden - 5.0&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

France - 4.2&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Germany - 3.6&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Others - 17.7&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;




&#160;




&#160;
&#160;
</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000121125_TI_0_Member"
      decimals="INF"
      id="ixv-29595"
      unitRef="pure">0.472</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TI_1_Member"
      decimals="INF"
      id="ixv-29596"
      unitRef="pure">0.106</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TI_2_Member"
      decimals="INF"
      id="ixv-29597"
      unitRef="pure">0.104</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TI_3_Member"
      decimals="INF"
      id="ixv-29598"
      unitRef="pure">0.083</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TI_4_Member"
      decimals="INF"
      id="ixv-29599"
      unitRef="pure">0.069</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TI_5_Member"
      decimals="INF"
      id="ixv-29600"
      unitRef="pure">0.046</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TI_6_Member"
      decimals="INF"
      id="ixv-29601"
      unitRef="pure">0.044</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TI_7_Member"
      decimals="INF"
      id="ixv-29602"
      unitRef="pure">0.028</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TI_8_Member"
      decimals="INF"
      id="ixv-29603"
      unitRef="pure">0.027</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TI_9_Member"
      decimals="INF"
      id="ixv-29604"
      unitRef="pure">0.017</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_AA_CommonStocks_Member"
      decimals="INF"
      id="ixv-29605"
      unitRef="pure">0.996</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member"
      decimals="INF"
      id="ixv-29606"
      unitRef="pure">0.004</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_GD_JP_Member"
      decimals="INF"
      id="ixv-29607"
      unitRef="pure">0.224</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_GD_AU_Member"
      decimals="INF"
      id="ixv-29608"
      unitRef="pure">0.118</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_GD_GB_Member"
      decimals="INF"
      id="ixv-29609"
      unitRef="pure">0.115</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_GD_SG_Member"
      decimals="INF"
      id="ixv-29610"
      unitRef="pure">0.087</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_GD_HK_Member"
      decimals="INF"
      id="ixv-29611"
      unitRef="pure">0.085</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_GD_BE_Member"
      decimals="INF"
      id="ixv-29612"
      unitRef="pure">0.066</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_GD_SE_Member"
      decimals="INF"
      id="ixv-29613"
      unitRef="pure">0.050</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_GD_FR_Member"
      decimals="INF"
      id="ixv-29614"
      unitRef="pure">0.042</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_GD_DE_Member"
      decimals="INF"
      id="ixv-29615"
      unitRef="pure">0.036</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_GD_Other_Member"
      decimals="INF"
      id="ixv-29616"
      unitRef="pure">0.177</oef:PctOfNav>
    <oef:LargestHoldingsTableTextBlock contextRef="C000121125_ClassMember" id="ixv-4374">TOP HOLDINGS(% of Fund's net assets)

&#160;

&#160;


Wing Tai Holdings Ltd

4.9


&#160;


Sun Hung Kai Properties Ltd

3.8


&#160;


Hulic Co Ltd

3.2


&#160;


Advance Residence Investment Corp

3.0


&#160;


Ingenia Communities Group unit

3.0


&#160;


Warehouses De Pauw CVA

2.8


&#160;


Health Care &amp; Medical Investment Corp

2.7


&#160;


Parkway Life Real Estate Investment Trust

2.6


&#160;


Stockland unit

2.5


&#160;


Prologis Inc

2.4


&#160;


&#160;

30.9

&#160;



</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000121125_TH_0_Member"
      decimals="INF"
      id="ixv-29617"
      unitRef="pure">0.049</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TH_1_Member"
      decimals="INF"
      id="ixv-29618"
      unitRef="pure">0.038</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TH_2_Member"
      decimals="INF"
      id="ixv-29619"
      unitRef="pure">0.032</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TH_3_Member"
      decimals="INF"
      id="ixv-29620"
      unitRef="pure">0.030</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TH_4_Member"
      decimals="INF"
      id="ixv-29621"
      unitRef="pure">0.030</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TH_5_Member"
      decimals="INF"
      id="ixv-29622"
      unitRef="pure">0.028</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TH_6_Member"
      decimals="INF"
      id="ixv-29623"
      unitRef="pure">0.027</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TH_7_Member"
      decimals="INF"
      id="ixv-29624"
      unitRef="pure">0.026</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TH_8_Member"
      decimals="INF"
      id="ixv-29625"
      unitRef="pure">0.025</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121125_TH_9_Member"
      decimals="INF"
      id="ixv-29626"
      unitRef="pure">0.024</oef:PctOfNav>
    <dei:DocumentPeriodEndDate contextRef="Trust" id="ixv-4545">2026-01-31</dei:DocumentPeriodEndDate>
    <oef:FundName contextRef="C000270423_ClassMember" id="ixv-4557">Fidelity&#xae; Real Estate Investment Portfolio</oef:FundName>
    <oef:ClassName contextRef="C000270423_ClassMember" id="ixv-4560">Fidelity Advisor&#xae; Real Estate Fund Class A</oef:ClassName>
    <dei:TradingSymbol contextRef="C000270423_ClassMember" id="ixv-4564">FRVBX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock contextRef="C000270423_ClassMember" id="ixv-4583">This semi-annual shareholder report contains information about Fidelity&#xae; Real Estate Investment Portfolio for the period January 15, 2026 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual contextRef="C000270423_ClassMember" id="ixv-4585">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock contextRef="C000270423_ClassMember" id="ixv-4590">You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite contextRef="C000270423_ClassMember" id="ixv-4592">fundresearch.fidelity.com/prospectus/sec</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber contextRef="C000270423_ClassMember" id="ixv-4595">1-877-208-0098</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail contextRef="C000270423_ClassMember" id="ixv-4598">fidfunddocuments@fidelity.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock contextRef="C000270423_ClassMember" id="ixv-4605">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;What were your Fund costs for the last six months?&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(based on hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;border-style:none;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:51%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs of a $10,000 investment&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs paid as a percentage of a $10,000 investment &lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:51%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Class A&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:6px;color:#000000;font-style:normal;vertical-align:4px;font-weight:normal;"&gt;A&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$ &lt;/span&gt;4&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;0.92&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:6px;color:#000000;font-style:normal;vertical-align:4px;font-weight:normal;"&gt;A&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans Cd';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Expenses for the full reporting period would be higher.&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="C000270423_ClassMember"
      decimals="0"
      id="ixv-29627"
      unitRef="usd">4</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="C000270423_ClassMember"
      decimals="INF"
      id="ixv-29628"
      unitRef="pure">0.0092</oef:ExpenseRatioPct>
    <oef:ExpensesShortPeriodFnTextBlock contextRef="C000270423_ClassMember" id="ixv-4646">Expenses for the full reporting period would be higher.</oef:ExpensesShortPeriodFnTextBlock>
    <oef:AddlFundStatisticsTextBlock contextRef="C000270423_ClassMember" id="ixv-4652">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;Key Fund Statistics&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(as of January 31, 2026)&lt;/span&gt;&lt;/div&gt;
&lt;div&gt;&lt;span style="font-size:11px;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="1" style="border-collapse:separate;border-style:none;margin:auto;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:63%; " valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:bold;"&gt;KEY FACTS&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fund Size&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$&lt;/span&gt;3,050,854,347&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Number of Holdings&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;42&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Portfolio Turnover&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;23&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="C000270423_InstantMember"
      decimals="0"
      id="ixv-29629"
      unitRef="usd">3050854347</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="C000270423_InstantMember"
      decimals="INF"
      id="ixv-29630"
      unitRef="holding">42</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="C000270423_ClassMember"
      decimals="INF"
      id="ixv-29631"
      unitRef="pure">0.23</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock contextRef="C000270423_ClassMember" id="ixv-4712">
&#160;
&#160;
&#160;
TOP INDUSTRIES
(% of Fund's net assets)


Specialized REITs

33.5

&#160;


Retail REITs

17.5

&#160;


Industrial REITs

15.3

&#160;


Health Care REITs

12.9

&#160;


Residential REITs

11.7

&#160;


Real Estate Management &amp; Development

8.4

&#160;


&#160;




&#160;
Common Stocks

99.3


Short-Term Investments and Net Other Assets (Liabilities)

0.7




ASSET ALLOCATION (% of Fund's net assets)


&#160;



&#160;

Common Stocks - 99.3&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Short-Term Investments and Net Other Assets (Liabilities) - 0.7


&#160;






United States

100.0




GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets)


&#160;



&#160;

United States - 100.0&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;




&#160;




&#160;
&#160;
</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000270423_TI_0_Member"
      decimals="INF"
      id="ixv-29632"
      unitRef="pure">0.335</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_TI_1_Member"
      decimals="INF"
      id="ixv-29633"
      unitRef="pure">0.175</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_TI_2_Member"
      decimals="INF"
      id="ixv-29634"
      unitRef="pure">0.153</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_TI_3_Member"
      decimals="INF"
      id="ixv-29635"
      unitRef="pure">0.129</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_TI_4_Member"
      decimals="INF"
      id="ixv-29636"
      unitRef="pure">0.117</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_TI_5_Member"
      decimals="INF"
      id="ixv-29637"
      unitRef="pure">0.084</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_AA_CommonStocks_Member"
      decimals="INF"
      id="ixv-29638"
      unitRef="pure">0.993</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member"
      decimals="INF"
      id="ixv-29639"
      unitRef="pure">0.007</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_GD_US_Member"
      decimals="INF"
      id="ixv-29640"
      unitRef="pure">1.000</oef:PctOfNav>
    <oef:LargestHoldingsTableTextBlock contextRef="C000270423_ClassMember" id="ixv-4886">TOP HOLDINGS(% of Fund's net assets)

&#160;

&#160;


Prologis Inc

10.0


&#160;


Equinix Inc

8.9


&#160;


Welltower Inc

8.6


&#160;


American Tower Corp

8.2


&#160;


NNN REIT Inc

4.4


&#160;


Kimco Realty Corp

4.3


&#160;


Public Storage

4.1


&#160;


CBRE Group Inc Class A

3.9


&#160;


Digital Realty Trust Inc

3.9


&#160;


UDR Inc

3.5


&#160;


&#160;

59.8

&#160;



</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000270423_TH_0_Member"
      decimals="INF"
      id="ixv-29641"
      unitRef="pure">0.100</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_TH_1_Member"
      decimals="INF"
      id="ixv-29642"
      unitRef="pure">0.089</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_TH_2_Member"
      decimals="INF"
      id="ixv-29643"
      unitRef="pure">0.086</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_TH_3_Member"
      decimals="INF"
      id="ixv-29644"
      unitRef="pure">0.082</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_TH_4_Member"
      decimals="INF"
      id="ixv-29645"
      unitRef="pure">0.044</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_TH_5_Member"
      decimals="INF"
      id="ixv-29646"
      unitRef="pure">0.043</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_TH_6_Member"
      decimals="INF"
      id="ixv-29647"
      unitRef="pure">0.041</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_TH_7_Member"
      decimals="INF"
      id="ixv-29648"
      unitRef="pure">0.039</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_TH_8_Member"
      decimals="INF"
      id="ixv-29649"
      unitRef="pure">0.039</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270423_TH_9_Member"
      decimals="INF"
      id="ixv-29650"
      unitRef="pure">0.035</oef:PctOfNav>
    <dei:DocumentPeriodEndDate contextRef="Trust" id="ixv-5057">2026-01-31</dei:DocumentPeriodEndDate>
    <oef:FundName contextRef="C000270424_ClassMember" id="ixv-5069">Fidelity&#xae; Real Estate Investment Portfolio</oef:FundName>
    <oef:ClassName contextRef="C000270424_ClassMember" id="ixv-5072">Fidelity Advisor&#xae; Real Estate Fund Class M</oef:ClassName>
    <dei:TradingSymbol contextRef="C000270424_ClassMember" id="ixv-5076">FRVDX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock contextRef="C000270424_ClassMember" id="ixv-5095">This semi-annual shareholder report contains information about Fidelity&#xae; Real Estate Investment Portfolio for the period January 15, 2026 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual contextRef="C000270424_ClassMember" id="ixv-5097">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock contextRef="C000270424_ClassMember" id="ixv-5102">You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite contextRef="C000270424_ClassMember" id="ixv-5104">fundresearch.fidelity.com/prospectus/sec</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber contextRef="C000270424_ClassMember" id="ixv-5107">1-877-208-0098</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail contextRef="C000270424_ClassMember" id="ixv-5110">fidfunddocuments@fidelity.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock contextRef="C000270424_ClassMember" id="ixv-5117">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;What were your Fund costs for the last six months?&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(based on hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;border-style:none;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:51%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs of a $10,000 investment&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs paid as a percentage of a $10,000 investment &lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:51%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Class M&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:6px;color:#000000;font-style:normal;vertical-align:4px;font-weight:normal;"&gt;A&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$ &lt;/span&gt;5&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;1.05&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:6px;color:#000000;font-style:normal;vertical-align:4px;font-weight:normal;"&gt;A&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans Cd';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Expenses for the full reporting period would be higher.&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="C000270424_ClassMember"
      decimals="0"
      id="ixv-29651"
      unitRef="usd">5</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="C000270424_ClassMember"
      decimals="INF"
      id="ixv-29652"
      unitRef="pure">0.0105</oef:ExpenseRatioPct>
    <oef:ExpensesShortPeriodFnTextBlock contextRef="C000270424_ClassMember" id="ixv-5158">Expenses for the full reporting period would be higher.</oef:ExpensesShortPeriodFnTextBlock>
    <oef:AddlFundStatisticsTextBlock contextRef="C000270424_ClassMember" id="ixv-5164">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;Key Fund Statistics&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(as of January 31, 2026)&lt;/span&gt;&lt;/div&gt;
&lt;div&gt;&lt;span style="font-size:11px;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="1" style="border-collapse:separate;border-style:none;margin:auto;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:63%; " valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:bold;"&gt;KEY FACTS&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fund Size&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$&lt;/span&gt;3,050,854,347&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Number of Holdings&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;42&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Portfolio Turnover&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;23&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="C000270424_InstantMember"
      decimals="0"
      id="ixv-29653"
      unitRef="usd">3050854347</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="C000270424_InstantMember"
      decimals="INF"
      id="ixv-29654"
      unitRef="holding">42</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="C000270424_ClassMember"
      decimals="INF"
      id="ixv-29655"
      unitRef="pure">0.23</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock contextRef="C000270424_ClassMember" id="ixv-5224">
&#160;
&#160;
&#160;
TOP INDUSTRIES
(% of Fund's net assets)


Specialized REITs

33.5

&#160;


Retail REITs

17.5

&#160;


Industrial REITs

15.3

&#160;


Health Care REITs

12.9

&#160;


Residential REITs

11.7

&#160;


Real Estate Management &amp; Development

8.4

&#160;


&#160;




&#160;
Common Stocks

99.3


Short-Term Investments and Net Other Assets (Liabilities)

0.7




ASSET ALLOCATION (% of Fund's net assets)


&#160;



&#160;

Common Stocks - 99.3&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Short-Term Investments and Net Other Assets (Liabilities) - 0.7


&#160;






United States

100.0




GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets)


&#160;



&#160;

United States - 100.0&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;




&#160;




&#160;
&#160;
</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000270424_TI_0_Member"
      decimals="INF"
      id="ixv-29656"
      unitRef="pure">0.335</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_TI_1_Member"
      decimals="INF"
      id="ixv-29657"
      unitRef="pure">0.175</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_TI_2_Member"
      decimals="INF"
      id="ixv-29658"
      unitRef="pure">0.153</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_TI_3_Member"
      decimals="INF"
      id="ixv-29659"
      unitRef="pure">0.129</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_TI_4_Member"
      decimals="INF"
      id="ixv-29660"
      unitRef="pure">0.117</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_TI_5_Member"
      decimals="INF"
      id="ixv-29661"
      unitRef="pure">0.084</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_AA_CommonStocks_Member"
      decimals="INF"
      id="ixv-29662"
      unitRef="pure">0.993</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member"
      decimals="INF"
      id="ixv-29663"
      unitRef="pure">0.007</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_GD_US_Member"
      decimals="INF"
      id="ixv-29664"
      unitRef="pure">1.000</oef:PctOfNav>
    <oef:LargestHoldingsTableTextBlock contextRef="C000270424_ClassMember" id="ixv-5398">TOP HOLDINGS(% of Fund's net assets)

&#160;

&#160;


Prologis Inc

10.0


&#160;


Equinix Inc

8.9


&#160;


Welltower Inc

8.6


&#160;


American Tower Corp

8.2


&#160;


NNN REIT Inc

4.4


&#160;


Kimco Realty Corp

4.3


&#160;


Public Storage

4.1


&#160;


CBRE Group Inc Class A

3.9


&#160;


Digital Realty Trust Inc

3.9


&#160;


UDR Inc

3.5


&#160;


&#160;

59.8

&#160;



</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000270424_TH_0_Member"
      decimals="INF"
      id="ixv-29665"
      unitRef="pure">0.100</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_TH_1_Member"
      decimals="INF"
      id="ixv-29666"
      unitRef="pure">0.089</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_TH_2_Member"
      decimals="INF"
      id="ixv-29667"
      unitRef="pure">0.086</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_TH_3_Member"
      decimals="INF"
      id="ixv-29668"
      unitRef="pure">0.082</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_TH_4_Member"
      decimals="INF"
      id="ixv-29669"
      unitRef="pure">0.044</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_TH_5_Member"
      decimals="INF"
      id="ixv-29670"
      unitRef="pure">0.043</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_TH_6_Member"
      decimals="INF"
      id="ixv-29671"
      unitRef="pure">0.041</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_TH_7_Member"
      decimals="INF"
      id="ixv-29672"
      unitRef="pure">0.039</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_TH_8_Member"
      decimals="INF"
      id="ixv-29673"
      unitRef="pure">0.039</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270424_TH_9_Member"
      decimals="INF"
      id="ixv-29674"
      unitRef="pure">0.035</oef:PctOfNav>
    <dei:DocumentPeriodEndDate contextRef="Trust" id="ixv-5569">2026-01-31</dei:DocumentPeriodEndDate>
    <oef:FundName contextRef="C000270425_ClassMember" id="ixv-5581">Fidelity&#xae; Real Estate Investment Portfolio</oef:FundName>
    <oef:ClassName contextRef="C000270425_ClassMember" id="ixv-5584">Fidelity Advisor&#xae; Real Estate Fund Class C</oef:ClassName>
    <dei:TradingSymbol contextRef="C000270425_ClassMember" id="ixv-5588">FRVEX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock contextRef="C000270425_ClassMember" id="ixv-5607">This semi-annual shareholder report contains information about Fidelity&#xae; Real Estate Investment Portfolio for the period January 15, 2026 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual contextRef="C000270425_ClassMember" id="ixv-5609">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock contextRef="C000270425_ClassMember" id="ixv-5614">You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite contextRef="C000270425_ClassMember" id="ixv-5616">fundresearch.fidelity.com/prospectus/sec</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber contextRef="C000270425_ClassMember" id="ixv-5619">1-877-208-0098</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail contextRef="C000270425_ClassMember" id="ixv-5622">fidfunddocuments@fidelity.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock contextRef="C000270425_ClassMember" id="ixv-5629">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;What were your Fund costs for the last six months?&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(based on hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;border-style:none;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:51%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs of a $10,000 investment&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs paid as a percentage of a $10,000 investment &lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:51%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Class C&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:6px;color:#000000;font-style:normal;vertical-align:4px;font-weight:normal;"&gt;A&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$ &lt;/span&gt;8&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;1.66&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:6px;color:#000000;font-style:normal;vertical-align:4px;font-weight:normal;"&gt;A&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans Cd';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Expenses for the full reporting period would be higher.&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="C000270425_ClassMember"
      decimals="0"
      id="ixv-29675"
      unitRef="usd">8</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="C000270425_ClassMember"
      decimals="INF"
      id="ixv-29676"
      unitRef="pure">0.0166</oef:ExpenseRatioPct>
    <oef:ExpensesShortPeriodFnTextBlock contextRef="C000270425_ClassMember" id="ixv-5670">Expenses for the full reporting period would be higher.</oef:ExpensesShortPeriodFnTextBlock>
    <oef:AddlFundStatisticsTextBlock contextRef="C000270425_ClassMember" id="ixv-5676">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;Key Fund Statistics&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(as of January 31, 2026)&lt;/span&gt;&lt;/div&gt;
&lt;div&gt;&lt;span style="font-size:11px;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="1" style="border-collapse:separate;border-style:none;margin:auto;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:63%; " valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:bold;"&gt;KEY FACTS&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fund Size&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$&lt;/span&gt;3,050,854,347&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Number of Holdings&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;42&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Portfolio Turnover&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;23&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="C000270425_InstantMember"
      decimals="0"
      id="ixv-29677"
      unitRef="usd">3050854347</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="C000270425_InstantMember"
      decimals="INF"
      id="ixv-29678"
      unitRef="holding">42</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="C000270425_ClassMember"
      decimals="INF"
      id="ixv-29679"
      unitRef="pure">0.23</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock contextRef="C000270425_ClassMember" id="ixv-5736">
&#160;
&#160;
&#160;
TOP INDUSTRIES
(% of Fund's net assets)


Specialized REITs

33.5

&#160;


Retail REITs

17.5

&#160;


Industrial REITs

15.3

&#160;


Health Care REITs

12.9

&#160;


Residential REITs

11.7

&#160;


Real Estate Management &amp; Development

8.4

&#160;


&#160;




&#160;
Common Stocks

99.3


Short-Term Investments and Net Other Assets (Liabilities)

0.7




ASSET ALLOCATION (% of Fund's net assets)


&#160;



&#160;

Common Stocks - 99.3&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Short-Term Investments and Net Other Assets (Liabilities) - 0.7


&#160;






United States

100.0




GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets)


&#160;



&#160;

United States - 100.0&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;




&#160;




&#160;
&#160;
</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000270425_TI_0_Member"
      decimals="INF"
      id="ixv-29680"
      unitRef="pure">0.335</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_TI_1_Member"
      decimals="INF"
      id="ixv-29681"
      unitRef="pure">0.175</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_TI_2_Member"
      decimals="INF"
      id="ixv-29682"
      unitRef="pure">0.153</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_TI_3_Member"
      decimals="INF"
      id="ixv-29683"
      unitRef="pure">0.129</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_TI_4_Member"
      decimals="INF"
      id="ixv-29684"
      unitRef="pure">0.117</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_TI_5_Member"
      decimals="INF"
      id="ixv-29685"
      unitRef="pure">0.084</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_AA_CommonStocks_Member"
      decimals="INF"
      id="ixv-29686"
      unitRef="pure">0.993</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member"
      decimals="INF"
      id="ixv-29687"
      unitRef="pure">0.007</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_GD_US_Member"
      decimals="INF"
      id="ixv-29688"
      unitRef="pure">1.000</oef:PctOfNav>
    <oef:LargestHoldingsTableTextBlock contextRef="C000270425_ClassMember" id="ixv-5910">TOP HOLDINGS(% of Fund's net assets)

&#160;

&#160;


Prologis Inc

10.0


&#160;


Equinix Inc

8.9


&#160;


Welltower Inc

8.6


&#160;


American Tower Corp

8.2


&#160;


NNN REIT Inc

4.4


&#160;


Kimco Realty Corp

4.3


&#160;


Public Storage

4.1


&#160;


CBRE Group Inc Class A

3.9


&#160;


Digital Realty Trust Inc

3.9


&#160;


UDR Inc

3.5


&#160;


&#160;

59.8

&#160;



</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000270425_TH_0_Member"
      decimals="INF"
      id="ixv-29689"
      unitRef="pure">0.100</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_TH_1_Member"
      decimals="INF"
      id="ixv-29690"
      unitRef="pure">0.089</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_TH_2_Member"
      decimals="INF"
      id="ixv-29691"
      unitRef="pure">0.086</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_TH_3_Member"
      decimals="INF"
      id="ixv-29692"
      unitRef="pure">0.082</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_TH_4_Member"
      decimals="INF"
      id="ixv-29693"
      unitRef="pure">0.044</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_TH_5_Member"
      decimals="INF"
      id="ixv-29694"
      unitRef="pure">0.043</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_TH_6_Member"
      decimals="INF"
      id="ixv-29695"
      unitRef="pure">0.041</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_TH_7_Member"
      decimals="INF"
      id="ixv-29696"
      unitRef="pure">0.039</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_TH_8_Member"
      decimals="INF"
      id="ixv-29697"
      unitRef="pure">0.039</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270425_TH_9_Member"
      decimals="INF"
      id="ixv-29698"
      unitRef="pure">0.035</oef:PctOfNav>
    <dei:DocumentPeriodEndDate contextRef="Trust" id="ixv-6081">2026-01-31</dei:DocumentPeriodEndDate>
    <oef:FundName contextRef="C000270422_ClassMember" id="ixv-6093">Fidelity&#xae; Real Estate Investment Portfolio</oef:FundName>
    <oef:ClassName contextRef="C000270422_ClassMember" id="ixv-6096">Fidelity Advisor&#xae; Real Estate Fund Class I</oef:ClassName>
    <dei:TradingSymbol contextRef="C000270422_ClassMember" id="ixv-6100">FRVHX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock contextRef="C000270422_ClassMember" id="ixv-6119">This semi-annual shareholder report contains information about Fidelity&#xae; Real Estate Investment Portfolio for the period January 15, 2026 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual contextRef="C000270422_ClassMember" id="ixv-6121">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock contextRef="C000270422_ClassMember" id="ixv-6126">You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite contextRef="C000270422_ClassMember" id="ixv-6128">fundresearch.fidelity.com/prospectus/sec</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber contextRef="C000270422_ClassMember" id="ixv-6131">1-877-208-0098</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail contextRef="C000270422_ClassMember" id="ixv-6134">fidfunddocuments@fidelity.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock contextRef="C000270422_ClassMember" id="ixv-6141">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;What were your Fund costs for the last six months?&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(based on hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;border-style:none;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:51%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs of a $10,000 investment&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs paid as a percentage of a $10,000 investment &lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:51%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Class I&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:6px;color:#000000;font-style:normal;vertical-align:4px;font-weight:normal;"&gt;A&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$ &lt;/span&gt;3&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;0.66&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:6px;color:#000000;font-style:normal;vertical-align:4px;font-weight:normal;"&gt;A&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans Cd';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Expenses for the full reporting period would be higher.&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="C000270422_ClassMember"
      decimals="0"
      id="ixv-29699"
      unitRef="usd">3</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="C000270422_ClassMember"
      decimals="INF"
      id="ixv-29700"
      unitRef="pure">0.0066</oef:ExpenseRatioPct>
    <oef:ExpensesShortPeriodFnTextBlock contextRef="C000270422_ClassMember" id="ixv-6182">Expenses for the full reporting period would be higher.</oef:ExpensesShortPeriodFnTextBlock>
    <oef:AddlFundStatisticsTextBlock contextRef="C000270422_ClassMember" id="ixv-6188">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;Key Fund Statistics&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(as of January 31, 2026)&lt;/span&gt;&lt;/div&gt;
&lt;div&gt;&lt;span style="font-size:11px;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="1" style="border-collapse:separate;border-style:none;margin:auto;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:63%; " valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:bold;"&gt;KEY FACTS&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fund Size&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$&lt;/span&gt;3,050,854,347&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Number of Holdings&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;42&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Portfolio Turnover&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;23&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="C000270422_InstantMember"
      decimals="0"
      id="ixv-29701"
      unitRef="usd">3050854347</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="C000270422_InstantMember"
      decimals="INF"
      id="ixv-29702"
      unitRef="holding">42</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="C000270422_ClassMember"
      decimals="INF"
      id="ixv-29703"
      unitRef="pure">0.23</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock contextRef="C000270422_ClassMember" id="ixv-6248">
&#160;
&#160;
&#160;
TOP INDUSTRIES
(% of Fund's net assets)


Specialized REITs

33.5

&#160;


Retail REITs

17.5

&#160;


Industrial REITs

15.3

&#160;


Health Care REITs

12.9

&#160;


Residential REITs

11.7

&#160;


Real Estate Management &amp; Development

8.4

&#160;


&#160;




&#160;
Common Stocks

99.3


Short-Term Investments and Net Other Assets (Liabilities)

0.7




ASSET ALLOCATION (% of Fund's net assets)


&#160;



&#160;

Common Stocks - 99.3&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Short-Term Investments and Net Other Assets (Liabilities) - 0.7


&#160;






United States

100.0




GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets)


&#160;



&#160;

United States - 100.0&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;




&#160;




&#160;
&#160;
</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000270422_TI_0_Member"
      decimals="INF"
      id="ixv-29704"
      unitRef="pure">0.335</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_TI_1_Member"
      decimals="INF"
      id="ixv-29705"
      unitRef="pure">0.175</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_TI_2_Member"
      decimals="INF"
      id="ixv-29706"
      unitRef="pure">0.153</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_TI_3_Member"
      decimals="INF"
      id="ixv-29707"
      unitRef="pure">0.129</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_TI_4_Member"
      decimals="INF"
      id="ixv-29708"
      unitRef="pure">0.117</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_TI_5_Member"
      decimals="INF"
      id="ixv-29709"
      unitRef="pure">0.084</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_AA_CommonStocks_Member"
      decimals="INF"
      id="ixv-29710"
      unitRef="pure">0.993</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member"
      decimals="INF"
      id="ixv-29711"
      unitRef="pure">0.007</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_GD_US_Member"
      decimals="INF"
      id="ixv-29712"
      unitRef="pure">1.000</oef:PctOfNav>
    <oef:LargestHoldingsTableTextBlock contextRef="C000270422_ClassMember" id="ixv-6422">TOP HOLDINGS(% of Fund's net assets)

&#160;

&#160;


Prologis Inc

10.0


&#160;


Equinix Inc

8.9


&#160;


Welltower Inc

8.6


&#160;


American Tower Corp

8.2


&#160;


NNN REIT Inc

4.4


&#160;


Kimco Realty Corp

4.3


&#160;


Public Storage

4.1


&#160;


CBRE Group Inc Class A

3.9


&#160;


Digital Realty Trust Inc

3.9


&#160;


UDR Inc

3.5


&#160;


&#160;

59.8

&#160;



</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000270422_TH_0_Member"
      decimals="INF"
      id="ixv-29713"
      unitRef="pure">0.100</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_TH_1_Member"
      decimals="INF"
      id="ixv-29714"
      unitRef="pure">0.089</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_TH_2_Member"
      decimals="INF"
      id="ixv-29715"
      unitRef="pure">0.086</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_TH_3_Member"
      decimals="INF"
      id="ixv-29716"
      unitRef="pure">0.082</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_TH_4_Member"
      decimals="INF"
      id="ixv-29717"
      unitRef="pure">0.044</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_TH_5_Member"
      decimals="INF"
      id="ixv-29718"
      unitRef="pure">0.043</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_TH_6_Member"
      decimals="INF"
      id="ixv-29719"
      unitRef="pure">0.041</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_TH_7_Member"
      decimals="INF"
      id="ixv-29720"
      unitRef="pure">0.039</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_TH_8_Member"
      decimals="INF"
      id="ixv-29721"
      unitRef="pure">0.039</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270422_TH_9_Member"
      decimals="INF"
      id="ixv-29722"
      unitRef="pure">0.035</oef:PctOfNav>
    <dei:DocumentPeriodEndDate contextRef="Trust" id="ixv-6593">2026-01-31</dei:DocumentPeriodEndDate>
    <oef:FundName contextRef="C000270421_ClassMember" id="ixv-6605">Fidelity&#xae; Real Estate Investment Portfolio</oef:FundName>
    <oef:ClassName contextRef="C000270421_ClassMember" id="ixv-6608">Fidelity Advisor&#xae; Real Estate Fund Class Z</oef:ClassName>
    <dei:TradingSymbol contextRef="C000270421_ClassMember" id="ixv-6612">FRVJX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock contextRef="C000270421_ClassMember" id="ixv-6631">This semi-annual shareholder report contains information about Fidelity&#xae; Real Estate Investment Portfolio for the period January 15, 2026 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual contextRef="C000270421_ClassMember" id="ixv-6633">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock contextRef="C000270421_ClassMember" id="ixv-6638">You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite contextRef="C000270421_ClassMember" id="ixv-6640">fundresearch.fidelity.com/prospectus/sec</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber contextRef="C000270421_ClassMember" id="ixv-6643">1-877-208-0098</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail contextRef="C000270421_ClassMember" id="ixv-6646">fidfunddocuments@fidelity.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock contextRef="C000270421_ClassMember" id="ixv-6653">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;What were your Fund costs for the last six months?&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(based on hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;border-style:none;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:51%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs of a $10,000 investment&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;Costs paid as a percentage of a $10,000 investment &lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:51%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Class Z&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:6px;color:#000000;font-style:normal;vertical-align:4px;font-weight:normal;"&gt;A&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$ &lt;/span&gt;3&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:27%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;0.54&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:6px;color:#000000;font-style:normal;vertical-align:4px;font-weight:normal;"&gt;A&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans Cd';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Expenses for the full reporting period would be higher.&lt;/span&gt;&lt;/div&gt;
&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="C000270421_ClassMember"
      decimals="0"
      id="ixv-29723"
      unitRef="usd">3</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="C000270421_ClassMember"
      decimals="INF"
      id="ixv-29724"
      unitRef="pure">0.0054</oef:ExpenseRatioPct>
    <oef:ExpensesShortPeriodFnTextBlock contextRef="C000270421_ClassMember" id="ixv-6694">Expenses for the full reporting period would be higher.</oef:ExpensesShortPeriodFnTextBlock>
    <oef:AddlFundStatisticsTextBlock contextRef="C000270421_ClassMember" id="ixv-6700">&lt;span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;"&gt;Key Fund Statistics&lt;/span&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;(as of January 31, 2026)&lt;/span&gt;&lt;/div&gt;
&lt;div&gt;&lt;span style="font-size:11px;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;table cellpadding="0" cellspacing="1" style="border-collapse:separate;border-style:none;margin:auto;" width="100%"&gt;&lt;tr&gt;&lt;td style="width:63%; " valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:bold;"&gt;KEY FACTS&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fund Size&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$&lt;/span&gt;3,050,854,347&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Number of Holdings&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;42&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;Portfolio Turnover&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:right;text-align-last:auto;"&gt;23&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;%&lt;/span&gt;&lt;/div&gt;
&lt;div style="text-align:right;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:5%; " valign="top"&gt;&lt;span style="line-height:11px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="C000270421_InstantMember"
      decimals="0"
      id="ixv-29725"
      unitRef="usd">3050854347</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="C000270421_InstantMember"
      decimals="INF"
      id="ixv-29726"
      unitRef="holding">42</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="C000270421_ClassMember"
      decimals="INF"
      id="ixv-29727"
      unitRef="pure">0.23</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock contextRef="C000270421_ClassMember" id="ixv-6760">
&#160;
&#160;
&#160;
TOP INDUSTRIES
(% of Fund's net assets)


Specialized REITs

33.5

&#160;


Retail REITs

17.5

&#160;


Industrial REITs

15.3

&#160;


Health Care REITs

12.9

&#160;


Residential REITs

11.7

&#160;


Real Estate Management &amp; Development

8.4

&#160;


&#160;




&#160;
Common Stocks

99.3


Short-Term Investments and Net Other Assets (Liabilities)

0.7




ASSET ALLOCATION (% of Fund's net assets)


&#160;



&#160;

Common Stocks - 99.3&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Short-Term Investments and Net Other Assets (Liabilities) - 0.7


&#160;






United States

100.0




GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets)


&#160;



&#160;

United States - 100.0&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;




&#160;




&#160;
&#160;
</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000270421_TI_0_Member"
      decimals="INF"
      id="ixv-29728"
      unitRef="pure">0.335</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_TI_1_Member"
      decimals="INF"
      id="ixv-29729"
      unitRef="pure">0.175</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_TI_2_Member"
      decimals="INF"
      id="ixv-29730"
      unitRef="pure">0.153</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_TI_3_Member"
      decimals="INF"
      id="ixv-29731"
      unitRef="pure">0.129</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_TI_4_Member"
      decimals="INF"
      id="ixv-29732"
      unitRef="pure">0.117</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_TI_5_Member"
      decimals="INF"
      id="ixv-29733"
      unitRef="pure">0.084</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_AA_CommonStocks_Member"
      decimals="INF"
      id="ixv-29734"
      unitRef="pure">0.993</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member"
      decimals="INF"
      id="ixv-29735"
      unitRef="pure">0.007</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_GD_US_Member"
      decimals="INF"
      id="ixv-29736"
      unitRef="pure">1.000</oef:PctOfNav>
    <oef:LargestHoldingsTableTextBlock contextRef="C000270421_ClassMember" id="ixv-6934">TOP HOLDINGS(% of Fund's net assets)

&#160;

&#160;


Prologis Inc

10.0


&#160;


Equinix Inc

8.9


&#160;


Welltower Inc

8.6


&#160;


American Tower Corp

8.2


&#160;


NNN REIT Inc

4.4


&#160;


Kimco Realty Corp

4.3


&#160;


Public Storage

4.1


&#160;


CBRE Group Inc Class A

3.9


&#160;


Digital Realty Trust Inc

3.9


&#160;


UDR Inc

3.5


&#160;


&#160;

59.8

&#160;



</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000270421_TH_0_Member"
      decimals="INF"
      id="ixv-29737"
      unitRef="pure">0.100</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_TH_1_Member"
      decimals="INF"
      id="ixv-29738"
      unitRef="pure">0.089</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_TH_2_Member"
      decimals="INF"
      id="ixv-29739"
      unitRef="pure">0.086</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_TH_3_Member"
      decimals="INF"
      id="ixv-29740"
      unitRef="pure">0.082</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_TH_4_Member"
      decimals="INF"
      id="ixv-29741"
      unitRef="pure">0.044</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_TH_5_Member"
      decimals="INF"
      id="ixv-29742"
      unitRef="pure">0.043</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_TH_6_Member"
      decimals="INF"
      id="ixv-29743"
      unitRef="pure">0.041</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_TH_7_Member"
      decimals="INF"
      id="ixv-29744"
      unitRef="pure">0.039</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_TH_8_Member"
      decimals="INF"
      id="ixv-29745"
      unitRef="pure">0.039</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000270421_TH_9_Member"
      decimals="INF"
      id="ixv-29746"
      unitRef="pure">0.035</oef:PctOfNav>
</xbrl>
