    <SEC-DOCUMENT>0001308179-23-000521-index.html : 20230404
    <SEC-HEADER>0001308179-23-000521.hdr.sgml : 20230404
    <ACCEPTANCE-DATETIME>20230404161132
    ACCESSION NUMBER:		0001308179-23-000521
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		9
    FILED AS OF DATE:		20230404
    DATE AS OF CHANGE:		20230404

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			FISERV INC
    		CENTRAL INDEX KEY:			0000798354
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
    		IRS NUMBER:				391506125
    		STATE OF INCORPORATION:			WI
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-38962
    		FILM NUMBER:		23797506

    	BUSINESS ADDRESS:
    		STREET 1:		255 FISERV DR
    		STREET 2:		PO BOX 979
    		CITY:			BROOKFIELD
    		STATE:			WI
    		ZIP:			53045
    		BUSINESS PHONE:		4148795000

    	MAIL ADDRESS:
    		STREET 1:		255 FISERV DRIVE
    		CITY:			BROOKFIELD
    		STATE:			WI
    		ZIP:			53045
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>lfisv2023_defa14a.htm
    <DESCRIPTION>FISERV INC - DEFA14A
    <TEXT>
    Document 1 - file: lfisv2023_defa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>check01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: check01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>logo.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: logo.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>notice01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: notice01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>notice02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: notice02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>notice03.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: notice03.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>notice04.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: notice04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>notice05.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: notice05.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>uncheck.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: uncheck.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>