    <SEC-DOCUMENT>0001490281-19-000013-index.html : 20190212
    <SEC-HEADER>0001490281-19-000013.hdr.sgml : 20190212
    <ACCEPTANCE-DATETIME>20190212172040
    ACCESSION NUMBER:		0001490281-19-000013
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		12
    CONFORMED PERIOD OF REPORT:	20190212
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20190212
    DATE AS OF CHANGE:		20190212

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Groupon, Inc.
    		CENTRAL INDEX KEY:			0001490281
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ADVERTISING AGENCIES [7311]
    		IRS NUMBER:				270903295
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-35335
    		FILM NUMBER:		19592072

    	BUSINESS ADDRESS:
    		STREET 1:		600 WEST CHICAGO AVENUE, SUITE 400
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60654
    		BUSINESS PHONE:		(312) 334-1579

    	MAIL ADDRESS:
    		STREET 1:		600 WEST CHICAGO AVENUE, SUITE 400
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60654
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>a2018q48-k.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: a2018q48-k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>exhibit991-q42018.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: exhibit991-q42018.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>grpnq418stockholderlette.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: grpnq418stockholderlette.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>grpnq418stockholderlette001.jpg
    <TEXT>
    Document 4 - file: grpnq418stockholderlette001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>grpnq418stockholderlette002.jpg
    <TEXT>
    Document 5 - file: grpnq418stockholderlette002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>grpnq418stockholderlette003.jpg
    <TEXT>
    Document 6 - file: grpnq418stockholderlette003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>grpnq418stockholderlette004.jpg
    <TEXT>
    Document 7 - file: grpnq418stockholderlette004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>grpnq418stockholderlette005.jpg
    <TEXT>
    Document 8 - file: grpnq418stockholderlette005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>grpnq418stockholderlette006.jpg
    <TEXT>
    Document 9 - file: grpnq418stockholderlette006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>grpnq418stockholderlette007.jpg
    <TEXT>
    Document 10 - file: grpnq418stockholderlette007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>grpnq418stockholderlette008.jpg
    <TEXT>
    Document 11 - file: grpnq418stockholderlette008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>grpnq418stockholderlette009.jpg
    <TEXT>
    Document 12 - file: grpnq418stockholderlette009.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>