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Summary of Significant Accounting Policies Property - Schedule of Related Party Transactions (Details) - Og and E [Member] - Enable Midstream Partners [Member] - USD ($)
$ in Millions
11 Months Ended 12 Months Ended
Dec. 02, 2021
Dec. 31, 2020
Related Party Transaction [Line Items]    
Revenue from Related Parties $ 13.3 $ 15.1
Natural Gas Transportation [Member]    
Related Party Transaction [Line Items]    
Related Party Transaction, Purchases from Related Party 32.7 32.8
Natural Gas Purchases [Member]    
Related Party Transaction [Line Items]    
Related Party Transaction, Purchases and Sales from Related Party $ (33.5) $ 2.7