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Common Equity (Tables)
 12 Months Ended
Dec. 31, 2023
Equity [Abstract]  
Schedule of Earnings Per Share Basic and Diluted The following table presents the calculation of basic and diluted earnings per share for OGE Energy.

(In millions except per share data)

 

2023

 

 

2022

 

 

2021

 

Net income

 

$

416.8

 

 

$

665.7

 

 

$

737.3

 

Average common shares outstanding:

 

 

 

 

 

 

 

 

 

Basic average common shares outstanding

 

 

200.3

 

 

 

200.2

 

 

 

200.1

 

Effect of dilutive securities:

 

 

 

 

 

 

 

 

 

Contingently issuable shares (performance and restricted stock units)

 

 

0.6

 

 

 

0.6

 

 

 

0.2

 

Diluted average common shares outstanding

 

 

200.9

 

 

 

200.8

 

 

 

200.3

 

Basic earnings per average common share

 

$

2.08

 

 

$

3.33

 

 

$

3.68

 

Diluted earnings per average common share

 

$

2.07

 

 

$

3.32

 

 

$

3.68

 

Anti-dilutive shares excluded from earnings per share calculation

 

 

—

 

 

 

—

 

 

 

—