| Cover | Jan. 15, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 15, 2020 |
| Entity File Number | 001-36336 |
| Entity Registrant Name | ENLINK MIDSTREAM, LLC |
| Entity Central Index Key | 0001592000 |
| Entity Tax Identification Number | 46-4108528 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 1722 ROUTH STREET |
| Entity Address, Address Line Two | SUITE 1300 |
| Entity Address, City or Town | DALLAS |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 75201 |
| City Area Code | 214 |
| Local Phone Number | 953-9500 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Units Representing Limited Liability Company Interests |
| Trading Symbol | ENLC |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
