<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2014-02-10</periodOfReport>

    <issuer>
        <issuerCik>0001487730</issuerCik>
        <issuerName>Spectrum Brands Holdings, Inc.</issuerName>
        <issuerTradingSymbol>SPB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001588034</rptOwnerCik>
            <rptOwnerName>Rouve Andreas</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SPECTRUM BRANDS HOLDINGS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>3001 DEMING WAY</rptOwnerStreet2>
            <rptOwnerCity>MIDDLETON</rptOwnerCity>
            <rptOwnerState>WI</rptOwnerState>
            <rptOwnerZipCode>53562</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President, International &amp; COO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Performance Rights</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2014-02-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7732</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7732</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7732</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeHolding>
            <securityTitle>
                <value>Performance Rights</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F4"/>
                <footnoteId id="F5"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F4"/>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>27628</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>27628</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Performance Rights</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F6"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F6"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each performance right represents a contingent right to receive one share of the Issuer's common stock.</footnote>
        <footnote id="F2">Under the Spectrum Brands Holdings, Inc. 2014 Equity Incentive Plan (&quot;2014 EIP&quot;), Mr. Rouve was awarded 5,155 performance rights at 100% of performance targets.  Up to 50% of such performance rights will vest within 74 days of the Issuer meeting certain adjusted EBITDA and consolidated cash flow performance targets for the fiscal year ending September 30, 2014 (the &quot;2014 EIP Performance Vesting Date&quot;) (such amount, the &quot;2014 EIP Performance Award&quot;).  In addition, an amount equal to the 2014 EIP Performance Award will vest on the first anniversary of the 2014 EIP Performance Vesting Date (such date, the &quot;2014 EIP Service Vesting Date&quot;), if Mr. Rouve remains employed by the Issuer on such first anniversary (such amount, the &quot;2014 EIP Service Award&quot;).</footnote>
        <footnote id="F3">Mr. Rouve shall also be eligible to receive up to 2,577 additional shares (the &quot;2014 EIP Additional Award&quot;) if the Issuer meets certain adjusted EBITDA and consolidated cash flow performance targets in excess of 100% of the targets for the 2014 EIP Performance Award, for the fiscal year ending September 30, 2014.  The 2014 EIP Additional Award will vest on the 2014 EIP Service Vesting Date if Mr. Rouve remains employed by the Issuer as of such date.  The 2014 EIP Performance Award, the 2014 EIP Service Award and the 2014 EIP Additional Award together constitute the 2014 EIP Award.  The amount reported of 7,732 represents the maximum number of performance rights that may vest if 150% of the applicable performance targets are achieved.  If 100% of the applicable performance targets are achieved, then 5,155 performance rights will vest upon full vesting of the 2014 EIP Performance Award and the 2014 EIP Service Award.</footnote>
        <footnote id="F4">Under the Spectrum Brands Holdings, Inc. 2014 Equity Incentive Plan (&quot;2014 EIP&quot;), Mr. Rouve was awarded 18,419 performance rights at 100% of performance targets.   Up to 50% of such performance rights will vest within 74 days of the Issuer meeting certain adjusted EBITDA and consolidated cash flow performance targets for the fiscal year ending September 30, 2014 (the &quot;2014 EIP Performance Vesting Date&quot;) (such amount, the &quot;2014 EIP Performance Award&quot;).  In addition, an amount equal to the 2014 EIP Performance Award will vest on the first anniversary of the 2014 EIP Performance Vesting Date (such date, the &quot;2014 EIP Service Vesting Date&quot;), if Mr. Rouve remains employed by the Issuer on such first anniversary (such amount, the &quot;2014 EIP Service Award&quot;).</footnote>
        <footnote id="F5">Mr. Rouve shall also be eligible to receive up to 9,209 additional shares (the &quot;2014 EIP Additional Award&quot;) if the Issuer meets certain adjusted EBITDA and consolidated cash flow performance targets in excess of 100% of the targets for the 2014 EIP Performance Award, for the fiscal year ending September 30, 2014.  The 2014 EIP Additional Award will vest on the 2014 EIP Service Vesting Date if Mr. Rouve remains employed by the Issuer as of such date.  The 2014 EIP Performance Award, the 2014 EIP Service Award and the 2014 EIP Additional Award together constitute the 2014 EIP Award.  The amount reported of 27,628 represents the maximum number of performance rights that may vest if 150% of the applicable performance targets are achieved.  If 100% of the applicable performance targets are achieved, then 18,419 performance rights will vest upon full vesting of the 2014 EIP Performance Award and the 2014 EIP Service Award.</footnote>
        <footnote id="F6">50% of the performance rights granted on December 7, 2012, under the Spectrum Brands Holdings, Inc. 2013 Equity Incentive Plan vested on November 25, 2013 (the &quot;2013 EIP Performance Vesting Date&quot;) and such performance rights settled for 10,000 shares of the Issuer's common stock (&quot;2013 EIP Performance Award&quot;).  In addition, an amount equal to the 2013 EIP Performance Award will vest if Mr. Rouve is employed by the Issuer through the first anniversary of the 2013 EIP Performance Vesting Date (&quot;2013 EIP Service Award&quot;).  The 2013 EIP Performance Award and the 2013 EIP Service Award together constitute the 2013 EIP Award.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Nathan E. Fagre, attorney-in-fact</signatureName>
        <signatureDate>2014-02-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
