<SEC-DOCUMENT>0001127602-19-008092.txt : 20190225
<SEC-HEADER>0001127602-19-008092.hdr.sgml : 20190225
<ACCEPTANCE-DATETIME>20190225171314
ACCESSION NUMBER:		0001127602-19-008092
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190222
FILED AS OF DATE:		20190225
DATE AS OF CHANGE:		20190225

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JAMES STEPHAN A
		CENTRAL INDEX KEY:			0001232907

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16427
		FILM NUMBER:		19630504

	MAIL ADDRESS:	
		STREET 1:		C/O ACCENTURE LEGAL & COMMERICAL GROUP
		STREET 2:		23RD FL 161 N CLARK STREET
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Fidelity National Information Services, Inc.
		CENTRAL INDEX KEY:			0001136893
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		IRS NUMBER:				371490331
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		601 RIVERSIDE AVENUE
		CITY:			JACKSONVILLE
		STATE:			FL
		ZIP:			32204
		BUSINESS PHONE:		904-438-6365

	MAIL ADDRESS:	
		STREET 1:		601 RIVERSIDE AVENUE
		CITY:			JACKSONVILLE
		STATE:			FL
		ZIP:			32204

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CERTEGY INC
		DATE OF NAME CHANGE:	20010607

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EQUIFAX PS INC
		DATE OF NAME CHANGE:	20010315
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-02-22</periodOfReport>

    <issuer>
        <issuerCik>0001136893</issuerCik>
        <issuerName>Fidelity National Information Services, Inc.</issuerName>
        <issuerTradingSymbol>FIS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001232907</rptOwnerCik>
            <rptOwnerName>JAMES STEPHAN A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>601 RIVERSIDE AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>JACKSONVILLE</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>32204</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>66.18</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2019-02-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2082</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>66.18</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2019-02-22</value>
            </exerciseDate>
            <expirationDate>
                <value>2022-11-05</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2082</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6245</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On November 5, 2015, the reporting person was granted an option to purchase 6,245 shares of common stock. The option vests in three equal installments based on FIS's satisfaction of certain performance criteria for each of the calendar years ending December 31, 2016, 2017, and 2018. Based on FIS's Annual Report on Form 10-K filed on February 21, 2019, the Compensation Committee of FIS determined that the performance criteria for 2018 had been met, resulting in vesting of the option as to 2,082 shares.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Marc M. Mayo, attorney-in-fact</signatureName>
        <signatureDate>2019-02-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
