    <SEC-DOCUMENT>0001193125-21-154120-index.html : 20210507
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    <ACCEPTANCE-DATETIME>20210507080259
    ACCESSION NUMBER:		0001193125-21-154120
    CONFORMED SUBMISSION TYPE:	10-12B
    PUBLIC DOCUMENT COUNT:		14
    FILED AS OF DATE:		20210507
    DATE AS OF CHANGE:		20210507

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			DT Midstream, Inc.
    		CENTRAL INDEX KEY:			0001842022
    		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION [4922]
    		IRS NUMBER:				382663964
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		10-12B
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-40392
    		FILM NUMBER:		21900335

    	BUSINESS ADDRESS:
    		STREET 1:		ONE ENERGY PLAZA
    		CITY:			DETROIT
    		STATE:			MI
    		ZIP:			48226-1279
    		BUSINESS PHONE:		313-235-4000

    	MAIL ADDRESS:
    		STREET 1:		ONE ENERGY PLAZA
    		CITY:			DETROIT
    		STATE:			MI
    		ZIP:			48226-1279
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    Document 1 - file: d33289d1012b.htm

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    Document 2 - file: d33289dex21.htm

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    <DESCRIPTION>EX-3.1
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    Document 3 - file: d33289dex31.htm

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    <DESCRIPTION>EX-3.2
    <TEXT>
    Document 4 - file: d33289dex32.htm

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    <DESCRIPTION>EX-10.1
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    Document 5 - file: d33289dex101.htm

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    <DESCRIPTION>EX-10.2
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    Document 6 - file: d33289dex102.htm

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    <DESCRIPTION>EX-10.3
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    Document 7 - file: d33289dex103.htm

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    <DESCRIPTION>EX-10.4
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    Document 8 - file: d33289dex104.htm

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    <DESCRIPTION>EX-21.1
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    Document 9 - file: d33289dex211.htm

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    <DESCRIPTION>EX-99.1
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    Document 10 - file: d33289dex991.htm

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    <DESCRIPTION>EX-99.2
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    Document 11 - file: d33289dex992.htm

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    <DESCRIPTION>EX-99.3
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    Document 12 - file: d33289dex993.htm

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    <FILENAME>g33289g56x12.jpg
    <DESCRIPTION>GRAPHIC
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    <TEXT>
    Document 14 - file: g33289g90f02.jpg

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