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Short-Term Debt and Credit Facilities | 3 Months Ended
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Mar. 31, 2020
Short-term Debt [Abstract] |
Short-Term Debt and Credit Facilities | 10.Short-Term Debt and Credit Facilities The Company borrows on a short-term basis, as necessary, by the issuance of commercial paper and by borrowings under its revolving credit agreements. As of March 31, 2020, the Company had $375.0 million of short-term debt as compared to $112.0 million short-term debt at December 31, 2019. The following table provides information regarding the Company's revolving credit agreements at March 31, 2020.
| Aggregate | Amount | Weighted-Average |  |  |
Entity | Commitment | Outstanding (A) | Interest Rate |  | Expiration |
(In millions) |  |  |  |  |  |
OGE Energy (B) | $ | 450.0 |  | $ | 375.0 |  | 1.81 | % | (D) | March 8, 2023 |
OG&E (C) | 450.0 |  | 0.3 |  | 1.00 | % | (D) | March 8, 2023 |
Total | $ | 900.0 |  | $ | 375.3 |  | 1.81 | % |  |  |
(A)Includes direct borrowings under the revolving credit agreements, commercial paper borrowings and letters of credit at March 31, 2020. (B)This bank facility is available to back up the Company's commercial paper borrowings and to provide revolving credit borrowings. This bank facility can also be used as a letter of credit facility. (C)This bank facility is available to back up OG&E's commercial paper borrowings and to provide revolving credit borrowings. This bank facility can also be used as a letter of credit facility. (D)Represents the weighted-average interest rate for the outstanding borrowings under the revolving credit agreements, commercial paper borrowings and letters of credit. The Company's ability to access the commercial paper market could be adversely impacted by a credit ratings downgrade or major market disruptions. Pricing grids associated with the Company's credit facilities could cause annual fees and borrowing rates to increase if an adverse rating impact occurs. The impact of any future downgrade could include an increase in the costs of the Company's short-term borrowings, but a reduction in the Company's credit ratings would not result in any defaults or accelerations. Any future downgrade could also lead to higher long-term borrowing costs and, if below investment grade, would require the Company to post collateral or letters of credit. OG&E must obtain regulatory approval from the FERC in order to borrow on a short-term basis. OG&E has the necessary regulatory approvals to incur up to $800.0 million in short-term borrowings at any one time for a two-year period beginning January 1, 2019 and ending December 31, 2020. In April 2020, the Company entered into a $75.0 million unsecured one-year term credit agreement, which is scheduled to terminate on April 7, 2021. Advances under this agreement were used to refinance existing indebtedness and for working capital and general corporate purposes of the Company. The credit agreement, under certain circumstances, may be increased to a maximum commitment limit of $100.0 million and contains substantially the same covenants as the Company's existing $450.0 million revolving credit agreement.

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- Definition The entire disclosure for short-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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