v3.23.1
Investment in Unconsolidated Affiliates (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Equity method investments      
Contributions $ 49.7 $ 0.0  
Distributions (0.1) (0.2)  
Equity in income (loss) (0.1) (1.1)  
Total investment in unconsolidated affiliates $ 140.4   $ 90.2
GCF      
Equity method investments      
Ownership interest 38.75%    
Contributions $ 6.2 0.0  
Equity in income (loss) $ (1.1) (0.7)  
Cedar Cove JV      
Equity method investments      
Ownership interest 30.00%    
Distributions $ (0.1) (0.2)  
Equity in income (loss) $ (0.6) (0.4)  
Matterhorn JV      
Equity method investments      
Ownership interest 15.00%    
Contributions $ 43.5 0.0  
Equity in income (loss) 1.6 $ 0.0  
EnLink Midstream Partners, LP      
Equity method investments      
Total investment in unconsolidated affiliates 135.3   85.8
EnLink Midstream Partners, LP | GCF      
Equity method investments      
Total investment in unconsolidated affiliates 31.4   26.3
EnLink Midstream Partners, LP | Cedar Cove JV      
Equity method investments      
Total investment in unconsolidated affiliates (5.1)   (4.4)
EnLink Midstream Partners, LP | Matterhorn JV      
Equity method investments      
Total investment in unconsolidated affiliates $ 109.0   $ 63.9