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Document and Entity Information
Jun. 16, 2021
Cover [Abstract]  
Entity Address, State or Province MI
Amendment Flag false
Entity Central Index Key 0001842022
Document Type 8-K
Document Period End Date Jun. 16, 2021
Entity File Number 1-40392
Entity Registrant Name DT Midstream, Inc.
Entity Incorporation State Country Code DE
Entity Tax Identification Number 38-2663964
Entity Address, Address Line One One Energy Plaza
Entity Address, City or Town Detroit
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
Security 12b Title Common stock, par value $0.01
Trading Symbol DTM
Security Exchange Name NYSE
Entity Emerging Growth Company false