    <SEC-DOCUMENT>0001467858-19-000117-index.html : 20191029
    <SEC-HEADER>0001467858-19-000117.hdr.sgml : 20191029
    <ACCEPTANCE-DATETIME>20191029093038
    ACCESSION NUMBER:		0001467858-19-000117
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		19
    CONFORMED PERIOD OF REPORT:	20191029
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20191029
    DATE AS OF CHANGE:		20191029

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			General Motors Co
    		CENTRAL INDEX KEY:			0001467858
    		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLES & PASSENGER CAR BODIES [3711]
    		IRS NUMBER:				270756180
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-34960
    		FILM NUMBER:		191174733

    	BUSINESS ADDRESS:
    		STREET 1:		300 RENAISSANCE CENTER
    		CITY:			DETROIT
    		STATE:			MI
    		ZIP:			48265-3000
    		BUSINESS PHONE:		313.667.1500

    	MAIL ADDRESS:
    		STREET 1:		300 RENAISSANCE CENTER
    		CITY:			DETROIT
    		STATE:			MI
    		ZIP:			48265-3000
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>a2019q3earningsrelease.htm
    <DESCRIPTION>2019 Q3 EARNINGS RELEASE 8-K
    <TEXT>
    Document 1 - file: a2019q3earningsrelease.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>q32019earnings10292019.htm
    <DESCRIPTION>EXHIBIT 99.1 - 2019 Q3 EARNINGS RELEASE
    <TEXT>
    Document 2 - file: q32019earnings10292019.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>a2019q3consolidatedearnings.htm
    <DESCRIPTION>EXHIBIT 99.2 - 2019 Q3 HIGHLIGHTS
    <TEXT>
    Document 3 - file: a2019q3consolidatedearnings.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>gm-20191029.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 4 - file: gm-20191029.xsd

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    <SEQUENCE>5
    <FILENAME>gm-20191029_cal.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: gm-20191029_cal.xml

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    <TYPE>EX-101.DEF
    <SEQUENCE>6
    <FILENAME>gm-20191029_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: gm-20191029_def.xml

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    <TYPE>EX-101.LAB
    <SEQUENCE>7
    <FILENAME>gm-20191029_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 7 - file: gm-20191029_lab.xml

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    <TYPE>EX-101.PRE
    <SEQUENCE>8
    <FILENAME>gm-20191029_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 8 - file: gm-20191029_pre.xml

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>q32019earnings10292019001.jpg
    <TEXT>
    Document 9 - file: q32019earnings10292019001.jpg

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    <SEQUENCE>10
    <FILENAME>q32019earnings10292019002.jpg
    <TEXT>
    Document 10 - file: q32019earnings10292019002.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>q32019earnings10292019003.jpg
    <TEXT>
    Document 11 - file: q32019earnings10292019003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: FilingSummary.html

    Document 12 - RAW XML: FilingSummary.xml

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    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>13
    <FILENAME>0001467858-19-000117-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: 0001467858-19-000117-xbrl.zip

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>14
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: report.css

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>15
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: R1.htm

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    <TYPE>XML
    <SEQUENCE>16
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: Show.js

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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>18
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: Financial_Report.xlsx

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>19
    <FILENAME>a2019q3earningsrelease_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 19 - file: a2019q3earningsrelease_htm.html

    Document 19 - RAW XML: a2019q3earningsrelease_htm.xml

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    <TYPE>JSON
    <SEQUENCE>20
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 20 - file: MetaLinks.json

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    </SEC-DOCUMENT>