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Related Party Disclosures (Tables) | 3 Months Ended
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Mar. 31, 2021
Related Party Transactions [Abstract] |
Schedule of Related Party Transactions [Table Text Block] | The following table presents summarized related party transactions between OG&E and Enable during the three months ended March 31, 2021 and 2020.
|  | Three Months Ended
|  | March 31,
(In millions) |  |  | 2021 | 2020
Operating revenues: |  |  |  |
Electricity to power electric compression assets |  |  | $ | 2.6 |  | $ | 3.7 |
Cost of sales: |  |  |  |
Natural gas transportation services |  |  | $ | 4.7 |  | $ | 4.7 |
Natural gas purchases (sales) |  |  | $ | (12.2) |  | $ | 0.7 |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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