    <SEC-DOCUMENT>0001193125-18-190568-index.html : 20180612
    <SEC-HEADER>0001193125-18-190568.hdr.sgml : 20180612
    <ACCEPTANCE-DATETIME>20180612162335
    ACCESSION NUMBER:		0001193125-18-190568
    CONFORMED SUBMISSION TYPE:	S-3
    PUBLIC DOCUMENT COUNT:		9
    FILED AS OF DATE:		20180612
    DATE AS OF CHANGE:		20180612

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			UNISYS CORP
    		CENTRAL INDEX KEY:			0000746838
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
    		IRS NUMBER:				380387840
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-3
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-225576
    		FILM NUMBER:		18894695

    	BUSINESS ADDRESS:
    		STREET 1:		801 LAKEVIEW DRIVE, SUITE 100
    		CITY:			BLUE BELL
    		STATE:			PA
    		ZIP:			19422
    		BUSINESS PHONE:		2159864011

    	MAIL ADDRESS:
    		STREET 1:		801 LAKEVIEW DRIVE, SUITE 100
    		CITY:			BLUE BELL
    		STATE:			PA
    		ZIP:			19422

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BURROUGHS CORP /DE/
    		DATE OF NAME CHANGE:	19861204
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>S-3
    <SEQUENCE>1
    <FILENAME>d573664ds3.htm
    <DESCRIPTION>UNISYS CORP --FORM S-3
    <TEXT>
    Document 1 - file: d573664ds3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-4.9
    <SEQUENCE>2
    <FILENAME>d573664dex49.htm
    <DESCRIPTION>EX-4.9
    <TEXT>
    Document 2 - file: d573664dex49.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.1
    <SEQUENCE>3
    <FILENAME>d573664dex51.htm
    <DESCRIPTION>EX-5.1
    <TEXT>
    Document 3 - file: d573664dex51.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.1
    <SEQUENCE>4
    <FILENAME>d573664dex231.htm
    <DESCRIPTION>EX-23.1
    <TEXT>
    Document 4 - file: d573664dex231.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-25.1
    <SEQUENCE>5
    <FILENAME>d573664dex251.htm
    <DESCRIPTION>EX-25.1
    <TEXT>
    Document 5 - file: d573664dex251.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-25.2
    <SEQUENCE>6
    <FILENAME>d573664dex252.htm
    <DESCRIPTION>EX-25.2
    <TEXT>
    Document 6 - file: d573664dex252.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g573664g17w31.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g573664g17w31.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g573664g28o42.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g573664g28o42.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g573664snap2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g573664snap2.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>