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    <oef:AnnlOrSemiAnnlStatementTextBlock contextRef="C000121123_ClassMember" id="ixv-114">This semi-annual shareholder report contains information about Fidelity&#xae; Telecom and Utilities Fund for the period February 1, 2026 to July 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual contextRef="C000121123_ClassMember" id="ixv-116">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock contextRef="C000121123_ClassMember" id="ixv-121">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>
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&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 $10,000 investment &lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:1%; " valign="top"&gt;&lt;span style="line-height:12px;"&gt;&#160;&lt;/span&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td style="width:51%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="top"&gt;&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:normal;"&gt;Fidelity&#xae; Telecom and Utilities Fund&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="width:21%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"&gt;&lt;div style="text-align:center;text-align-last:auto;"&gt;&lt;span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"&gt;$&lt;/span&gt;&lt;span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:normal;"&gt;&#160;&lt;/span&gt;36&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;0.71&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;
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&lt;div style="text-align:left;text-align-last:auto;"&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
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    <oef:AddlFundStatisticsTextBlock contextRef="C000121123_ClassMember" id="ixv-177">&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 July 31, 2026)&lt;/span&gt;&lt;/div&gt;
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&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;
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&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;1,321,669,655&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;47&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;60&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: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: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
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      decimals="0"
      id="ixv-5810"
      unitRef="usd">1321669655</us-gaap:AssetsNet>
    <oef:HoldingsCount
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      id="ixv-5811"
      unitRef="holding">47</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
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      id="ixv-5812"
      unitRef="pure">0.60</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock contextRef="C000121123_ClassMember" id="ixv-237">
&#160;
&#160;
&#160;
TOP INDUSTRIES
(% of Fund's net assets)


Electric Utilities

50.5

&#160;


Diversified Telecommunication Services

18.4

&#160;


Multi-Utilities

16.1

&#160;


Independent Power and Renewable Electricity Producers

5.1

&#160;


Commercial Services &amp; Supplies

3.2

&#160;


Wireless Telecommunication Services

2.7

&#160;


Electrical Equipment

1.9

&#160;


Construction &amp; Engineering

1.2

&#160;


Interactive Media &amp; Services

0.6

&#160;


Others

0.1

&#160;


&#160;




&#160;
Common Stocks

99.8


Short-Term Investments and Net Other Assets (Liabilities)

0.2




ASSET ALLOCATION (% of Fund's net assets)


&#160;



&#160;

Common Stocks - 99.8&#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) - 0.2


&#160;






United States

99.4


Germany

0.5


Canada

0.1




GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets)


&#160;



&#160;

United States - 99.4&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;


&#160;

Germany - 0.5&#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;&#160;


&#160;

Canada - 0.1&#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;
&#160;
</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000121123_TI_0_Member"
      decimals="INF"
      id="ixv-5813"
      unitRef="pure">0.505</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_TI_1_Member"
      decimals="INF"
      id="ixv-5814"
      unitRef="pure">0.184</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_TI_2_Member"
      decimals="INF"
      id="ixv-5815"
      unitRef="pure">0.161</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_TI_3_Member"
      decimals="INF"
      id="ixv-5816"
      unitRef="pure">0.051</oef:PctOfNav>
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      contextRef="C000121123_TI_4_Member"
      decimals="INF"
      id="ixv-5817"
      unitRef="pure">0.032</oef:PctOfNav>
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      contextRef="C000121123_TI_5_Member"
      decimals="INF"
      id="ixv-5818"
      unitRef="pure">0.027</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_TI_6_Member"
      decimals="INF"
      id="ixv-5819"
      unitRef="pure">0.019</oef:PctOfNav>
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      contextRef="C000121123_TI_7_Member"
      decimals="INF"
      id="ixv-5820"
      unitRef="pure">0.012</oef:PctOfNav>
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      decimals="INF"
      id="ixv-5821"
      unitRef="pure">0.006</oef:PctOfNav>
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      decimals="INF"
      id="ixv-5822"
      unitRef="pure">0.001</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_AA_CommonStocks_Member"
      decimals="INF"
      id="ixv-5823"
      unitRef="pure">0.998</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_AA_ShortTermInvestmentsandNetOtherAssetsLiabilities_Member"
      decimals="INF"
      id="ixv-5824"
      unitRef="pure">0.002</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_GD_US_Member"
      decimals="INF"
      id="ixv-5825"
      unitRef="pure">0.994</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_GD_DE_Member"
      decimals="INF"
      id="ixv-5826"
      unitRef="pure">0.005</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_GD_CA_Member"
      decimals="INF"
      id="ixv-5827"
      unitRef="pure">0.001</oef:PctOfNav>
    <oef:LargestHoldingsTableTextBlock contextRef="C000121123_ClassMember" id="ixv-473">TOP HOLDINGS(% of Fund's net assets)

&#160;

&#160;


NextEra Energy Inc

10.7


&#160;


Verizon Communications Inc

9.1


&#160;


American Electric Power Co Inc

5.9


&#160;


AT&amp;T Inc

5.7


&#160;


NRG Energy Inc

5.3


&#160;


Constellation Energy Corp

4.6


&#160;


Sempra

4.6


&#160;


Xcel Energy Inc

4.3


&#160;


Entergy Corp

4.1


&#160;


Vistra Corp

3.9


&#160;


&#160;

58.2

&#160;



</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="C000121123_TH_0_Member"
      decimals="INF"
      id="ixv-5828"
      unitRef="pure">0.107</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_TH_1_Member"
      decimals="INF"
      id="ixv-5829"
      unitRef="pure">0.091</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_TH_2_Member"
      decimals="INF"
      id="ixv-5830"
      unitRef="pure">0.059</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_TH_3_Member"
      decimals="INF"
      id="ixv-5831"
      unitRef="pure">0.057</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_TH_4_Member"
      decimals="INF"
      id="ixv-5832"
      unitRef="pure">0.053</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_TH_5_Member"
      decimals="INF"
      id="ixv-5833"
      unitRef="pure">0.046</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_TH_6_Member"
      decimals="INF"
      id="ixv-5834"
      unitRef="pure">0.046</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_TH_7_Member"
      decimals="INF"
      id="ixv-5835"
      unitRef="pure">0.043</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_TH_8_Member"
      decimals="INF"
      id="ixv-5836"
      unitRef="pure">0.041</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="C000121123_TH_9_Member"
      decimals="INF"
      id="ixv-5837"
      unitRef="pure">0.039</oef:PctOfNav>
</xbrl>
