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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping

The following table presents the carrying amount and fair value of the Registrants' financial instruments at March 31, 2024 and December 31, 2023, as well as the classification level within the fair value hierarchy.

		March 31, 2024								December 31, 2023
(In millions)		Carrying Amount				Fair Value				Carrying Amount				Fair Value				Classification
Long-term Debt (including Long-term Debt due within one year):
OGE Energy Term Loan		$	49.9			$	50.0			$	49.9			$	50.0			Level 2
OG&E Senior Notes		$	4,146.8			$	3,868.5			$	4,146.0			$	3,922.3			Level 2
OG&E Industrial Authority Bonds		$	135.4			$	135.4			$	135.4			$	135.4			Level 2
OG&E Tinker Debt		$	9.2			$	7.0			$	9.2			$	7.1			Level 3

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- Definition

Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-11

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- References

No definition available.

+ Details

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