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Common Equity - Dividends Restriction (Additional Information) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Preferred Stock, Shares Outstanding	0
Stock Issued During Period, Shares, New Issues	255,578	82,321	27,278
OGE Energy [Member]
Retained Earnings, Restricted	$ 1,200.0
Retained Earnings, Unrestricted	$ 2,300.0
OGE Energy [Member] | Maximum [Member]
Ratio of Consolidated Debt to Consolidated Capitalization	70.00%
Og and E [Member]
Ratio of Consolidated Debt to Consolidated Capitalization	65.00%
Retained Earnings, Restricted	$ 913.3
Retained Earnings, Unrestricted	$ 2,800.0
Stock Issued During Period, Shares, New Issues	0	0	0

X

- Definition

The percentage of consolidated debt to total consolidated capitalization, which the entity may not exceed pursuant to a debt covenant.

+ References

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X

- Definition

The amount of retained earnings which are restricted from being paid out in dividends. Paying out this amount would cause the Company to exceed it's debt to total capitalization ratio established by the Company's debt covenants.

+ References

No definition available.

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X

- Definition

The amount of retained earnings which are available to be paid out in dividends.

+ References

No definition available.

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X

- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

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- Definition

Number of new stock issued during the period.

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