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v3.22.1

Investment in Unconsolidated Affiliates (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest |  | 25.50%
Distributions from unconsolidated affiliates | $ 16.7 |
Equity in earnings of unconsolidated affiliates | $ 0.0 | $ 53.2
OG&E [Member] | Enable Midstream Partners [Member] |  |
Revenue from Related Parties |  | 2.6
OG&E [Member] | Enable Midstream Partners [Member] | Natural Gas Transportation [Member] |  |
Related Party Transaction, Purchases from Related Party |  | 4.7
OG&E [Member] | Enable Midstream Partners [Member] | Natural Gas Purchases [Member] |  |
Related Party Transaction, Purchases from Related Party |  | $ (12.2)

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