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

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-08-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000042293</issuerCik>
        <issuerName>GOLDEN WEST FINANCIAL CORP /DE/</issuerName>
        <issuerTradingSymbol>GDW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000944799</rptOwnerCik>
            <rptOwnerName>GALEN LOUIS J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>GOLDEN WEST FINANCIAL CORP</rptOwnerStreet1>
            <rptOwnerStreet2>1901 HARRISON STREET</rptOwnerStreet2>
            <rptOwnerCity>OAKLAND</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94612</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-08-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>15000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>64.5107</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4865798</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Following the sale of 15,000 shares, Mr. Galen's holdings are as follows: 1,488,458 shares held by Mr. Galen as co-trustee with his wife in the Revocable Trust (1983) for their benefit; 153,850 shares held in a Charitable Remainder Trust dated 12/20/1994 of which Louis J. Galen and his wife are Trustees; 423,000 shares held in the Louis J. Galen Qualified Terminal Interest Trust, Helene Galen (spouse) and Helene Galen beneficiary; 800,490 shares held in the 2003 Louis J. Galen Grantor Retained Annuity Trust (2003 GRAT), of which Louis J. Galen is the Trustee; and 2,000,000 shares held in the 2004 Louis J. Galen Grantor Retained Annuity Trust (2004 GRAT), of which Louis J. Galen is the Trustee.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>William C. Nunan on behalf of Louis J. Galen</signatureName>
        <signatureDate>2005-08-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
