    <SEC-DOCUMENT>0001104659-21-130743-index.html : 20211028
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    <ACCEPTANCE-DATETIME>20211028081225
    ACCESSION NUMBER:		0001104659-21-130743
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		37
    CONFORMED PERIOD OF REPORT:	20211028
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20211028
    DATE AS OF CHANGE:		20211028

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CMS ENERGY CORP
    		CENTRAL INDEX KEY:			0000811156
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
    		IRS NUMBER:				382726431
    		STATE OF INCORPORATION:			MI
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-09513
    		FILM NUMBER:		211355145

    	BUSINESS ADDRESS:
    		STREET 1:		ONE ENERGY PLAZA
    		CITY:			JACKSON
    		STATE:			MI
    		ZIP:			49201
    		BUSINESS PHONE:		5177880550

    	MAIL ADDRESS:
    		STREET 1:		ONE ENERGY PLAZA
    		CITY:			JACKSON
    		STATE:			MI
    		ZIP:			49201

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CONSUMERS ENERGY CO
    		CENTRAL INDEX KEY:			0000201533
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
    		IRS NUMBER:				380442310
    		STATE OF INCORPORATION:			MI
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-05611
    		FILM NUMBER:		211355146

    	BUSINESS ADDRESS:
    		STREET 1:		ONE ENERGY PLAZA
    		CITY:			JACKSON
    		STATE:			MI
    		ZIP:			49201
    		BUSINESS PHONE:		5177880550

    	MAIL ADDRESS:
    		STREET 1:		ONE ENERGY PLAZA
    		CITY:			JACKSON
    		STATE:			MI
    		ZIP:			49201

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CONSUMERS POWER CO
    		DATE OF NAME CHANGE:	19920703
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    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>tm2131232d1_ex99-1.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
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    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
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    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>cms-20211028.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
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    <SEQUENCE>5
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    <SEQUENCE>6
    <FILENAME>cms-20211028_lab.xml
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    <TEXT>
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