<SUBMISSION>
<ACCESSION-NUMBER>0001415448-09-000182
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20090805
<FILING-DATE>20090807
<DATE-OF-FILING-DATE-CHANGE>20090807
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>FLOTHER KARL HEINZ
<CIK>0001232916
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-16565
<FILM-NUMBER>09996647
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>C/O ACCENTURE LEGAL & COMMERICAL GROUP
<STREET2>23RD FL 161 N CLARK STREET
<CITY>CHICAGO
<STATE>IL
<ZIP>60601
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>ACCENTURE LTD
<CIK>0001134538
<ASSIGNED-SIC>7389
<IRS-NUMBER>000000000
<FISCAL-YEAR-END>0831
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>CANON COURT
<STREET2>22 VICTORIA STREET, HAMILTON
<CITY>HAMILTON
<STATE>D0
<ZIP>HM12
<PHONE>408-817-2136
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>C/O DOUGLAS SCRIVNER, GENERAL COUNSEL
<STREET2>50 W. SAN FERNANDO STREET
<CITY>SAN JOSE
<STATE>CA
<ZIP>95113
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-08-05</periodOfReport>

    <issuer>
        <issuerCik>0001134538</issuerCik>
        <issuerName>ACCENTURE LTD</issuerName>
        <issuerTradingSymbol>ACN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001232916</rptOwnerCik>
            <rptOwnerName>FLOTHER KARL HEINZ</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ACCENTURE</rptOwnerStreet1>
            <rptOwnerStreet2>5221 N. O'CONNOR BLVD., STE. 1400</rptOwnerStreet2>
            <rptOwnerCity>IRVING</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75039</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Grp Chief Exec-Sys Int &amp; Tech</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A common shares</value>
            </securityTitle>
            <transactionDate>
                <value>2009-08-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>935</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>35.43</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>249467</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Purchase of Accenture Ltd Class A common shares from Accenture pursuant to the Accenture Senior Executive Voluntary Equity Investment Program.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kathryn Lloyd  Attorney-in-Fact for Karl-Heinz Flother</signatureName>
        <signatureDate>2009-08-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
