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

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2004-09-20</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000316206</issuerCik>
        <issuerName>STARWOOD HOTEL &amp; RESORTS WORLDWIDE INC</issuerName>
        <issuerTradingSymbol>HOT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001161492</rptOwnerCik>
            <rptOwnerName>HEYER STEVEN J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>STARWOOD HOTELS &amp; RESORTS WORLDWIDE, INC</rptOwnerStreet1>
            <rptOwnerStreet2>1111 WESTCHESTER AVENUE</rptOwnerStreet2>
            <rptOwnerCity>WHITE PLAINS</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10604</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Option to Purchase Shares</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>15.00</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>1997-02-27</value>
            </exerciseDate>
            <expirationDate>
                <value>2007-02-27</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Shares</value>
                    <footnoteId id="F1"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>21002</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each holder of shares of common stock (&quot;Corporation Shares&quot;) of Starwood Hotels &amp; Resorts Worldwide, Inc. (&quot;Starwood&quot;) owns an equivalent number of Class B shares of beneficial interest (&quot;Trust Shares&quot;) of Starwood Hotels &amp; Resorts, a real estate investment trust and subsidiary of Starwood.  Corporation Shares and Trust Shares may be held and traded only in units consisting of one Corporation Share and one Trust Share (&quot;Shares&quot;).</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Jared T. Finkelstein, Attorney-In-Fact</signatureName>
        <signatureDate>2004-09-22</signatureDate>
    </ownerSignature>
</ownershipDocument>

