    <SEC-DOCUMENT>0001140361-24-047475-index.html : 20241121
    <SEC-HEADER>0001140361-24-047475.hdr.sgml : 20241121
    <ACCEPTANCE-DATETIME>20241121160838
    ACCESSION NUMBER:		0001140361-24-047475
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		19
    CONFORMED PERIOD OF REPORT:	20241120
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20241121
    DATE AS OF CHANGE:		20241121

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			DT Midstream, Inc.
    		CENTRAL INDEX KEY:			0001842022
    		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION [4922]
    		ORGANIZATION NAME:           	01 Energy & Transportation
    		IRS NUMBER:				382663964
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-40392
    		FILM NUMBER:		241484313

    	BUSINESS ADDRESS:
    		STREET 1:		500 WOODWARD AVENUE
    		STREET 2:		SUITE 2900
    		CITY:			DETROIT
    		STATE:			MI
    		ZIP:			48226-1279
    		BUSINESS PHONE:		313-402-8532

    	MAIL ADDRESS:
    		STREET 1:		500 WOODWARD AVENUE
    		STREET 2:		SUITE 2900
    		CITY:			DETROIT
    		STATE:			MI
    		ZIP:			48226-1279
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>ny20038569x5_8k.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: ny20038569x5_8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-1.1
    <SEQUENCE>2
    <FILENAME>ny20038569x5_ex1-1.htm
    <DESCRIPTION>EXHIBIT 1.1
    <TEXT>
    Document 2 - file: ny20038569x5_ex1-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.1
    <SEQUENCE>3
    <FILENAME>ny20038569x5_ex5-1.htm
    <DESCRIPTION>EXHIBIT 5.1
    <TEXT>
    Document 3 - file: ny20038569x5_ex5-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>4
    <FILENAME>ny20038569x5_ex99-1.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 4 - file: ny20038569x5_ex99-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>5
    <FILENAME>dtm-20241120.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
    Document 5 - file: dtm-20241120.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>6
    <FILENAME>dtm-20241120_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
    <TEXT>
    Document 6 - file: dtm-20241120_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>7
    <FILENAME>dtm-20241120_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
    <TEXT>
    Document 7 - file: dtm-20241120_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>ny20038569x5ex99-1_logo01.jpg
    <TEXT>
    Document 8 - file: ny20038569x5ex99-1_logo01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>ny20038569x5_ex5-1logo.jpg
    <TEXT>
    Document 9 - file: ny20038569x5_ex5-1logo.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>ny20038569x5_img01.jpg
    <TEXT>
    Document 10 - file: ny20038569x5_img01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>13
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>14
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>15
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>17
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 17 - file: FilingSummary.html

    Document 17 - RAW XML: FilingSummary.xml

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>21
    <FILENAME>0001140361-24-047475-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 21 - file: 0001140361-24-047475-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>22
    <FILENAME>ny20038569x5_8k_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 22 - file: ny20038569x5_8k_htm.html

    Document 22 - RAW XML: ny20038569x5_8k_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>