    <SEC-DOCUMENT>0001193125-18-331326-index.html : 20181120
    <SEC-HEADER>0001193125-18-331326.hdr.sgml : 20181120
    <ACCEPTANCE-DATETIME>20181120161008
    ACCESSION NUMBER:		0001193125-18-331326
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		14
    CONFORMED PERIOD OF REPORT:	20181120
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20181120
    DATE AS OF CHANGE:		20181120

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			AUTODESK INC
    		CENTRAL INDEX KEY:			0000769397
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
    		IRS NUMBER:				942819853
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			0131

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-14338
    		FILM NUMBER:		181195685

    	BUSINESS ADDRESS:
    		STREET 1:		111 MCINNIS PKWY
    		CITY:			SAN RAFAEL
    		STATE:			CA
    		ZIP:			94903
    		BUSINESS PHONE:		4155075000

    	MAIL ADDRESS:
    		STREET 1:		111 MCINNIS PKWY
    		CITY:			SAN RAFAEL
    		STATE:			CA
    		ZIP:			94903
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>d659628d8k.htm
    <DESCRIPTION>FORM 8-K
    <TEXT>
    Document 1 - file: d659628d8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-2.1
    <SEQUENCE>2
    <FILENAME>d659628dex21.htm
    <DESCRIPTION>EX-2.1
    <TEXT>
    Document 2 - file: d659628dex21.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>3
    <FILENAME>d659628dex991.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 3 - file: d659628dex991.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>4
    <FILENAME>d659628dex992.htm
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 4 - file: d659628dex992.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g659628ex99_2p10g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g659628ex99_2p10g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g659628ex99_2p1g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g659628ex99_2p1g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g659628ex99_2p2g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g659628ex99_2p2g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g659628ex99_2p3g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g659628ex99_2p3g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g659628ex99_2p4g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g659628ex99_2p4g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g659628ex99_2p5g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g659628ex99_2p5g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g659628ex99_2p6g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g659628ex99_2p6g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g659628ex99_2p7g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g659628ex99_2p7g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g659628ex99_2p8g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g659628ex99_2p8g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g659628ex99_2p9g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g659628ex99_2p9g1.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>