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Cover
Aug. 01, 2024
Cover [Abstract]  
Document Type 8-K12B
Amendment Flag false
Document Period End Date Aug. 01, 2024
Current Fiscal Year End Date --12-31
Entity File Number 001-35666
Entity Registrant Name Summit Midstream Corporation
Entity Central Index Key 0002024218
Entity Tax Identification Number 99-3056990
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 910 Louisiana Street
Entity Address, Address Line Two  
Entity Address, Address Line Three Suite 4200
Entity Address, City or Town Houston
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77002
City Area Code 832
Local Phone Number 413-4770
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock
Trading Symbol SMC
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Information, Former Legal or Registered Name Not applicable