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Document and Entity Information
Apr. 11, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Apr. 11, 2022
Entity Registrant Name DT Midstream, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 1-40392
Entity Tax Identification Number 38-2663964
Entity Address, Address Line One 500 Woodward Ave., Suite 2900
Entity Address, City or Town Detroit
Entity Address, State or Province MI
Entity Address, Postal Zip Code 48226-1279
City Area Code 313
Local Phone Number 402-8532
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001842022
Title of 12(b) Security Common stock, par value $0.01
Trading Symbol DTM
Security Exchange Name NYSE