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Earnings Per Share (CenterPoint Energy)
3 Months Ended
Mar. 31, 2022
Earnings Per Share [Abstract]  
Earnings Per Share (CenterPoint Energy) Earnings Per Share (CenterPoint Energy)The Series C Preferred Stock issued in May 2020 were considered participating securities since these shares participated in dividends on Common Stock on a pari passu, pro rata, as-converted basis. As a result, beginning June 30, 2020, earnings per share on Common Stock was computed using the two-class method required for participating securities during the periods the Series C Preferred Stock was outstanding. As of May 7, 2021, all of the remaining outstanding Series C Preferred Stock were
converted into shares of Common Stock and earnings per share on Common Stock and, as such, the two-class method was no longer applicable beginning June 30, 2021.

The two-class method uses an earnings allocation formula that treats participating securities as having rights to earnings that otherwise would have been available only to common shareholders. Under the two-class method, income (loss) available to common shareholders from continuing operations is derived by subtracting the following from income (loss) from continuing operations:

preferred share dividend requirement;
deemed dividends for the amortization of the beneficial conversion feature recognized at issuance of the Series C Preferred Stock; and
an allocation of undistributed earnings to preferred shareholders of participating securities (Series C Preferred Stock) based on the securities’ right to receive dividends.

Undistributed earnings are calculated by subtracting dividends declared on Common Stock, the preferred share dividend requirement and deemed dividends for the amortization of the beneficial conversion feature from net income. Net losses are not allocated to the Series C Preferred Stock as it does not have a contractual obligation to share in the losses of CenterPoint Energy.

Basic earnings per common share is computed by dividing income available to common shareholders from continuing operations by the basic weighted average number of common shares outstanding during the period. Participating securities are excluded from basic weighted average number of common shares outstanding. Diluted earnings per common share is computed by dividing income available to common shareholders from continuing operations by the weighted average number of common shares outstanding, including all potentially dilutive common shares, if the effect of such common shares is dilutive.

Diluted earnings per share reflects the dilutive effect of potential common shares from share-based awards and convertible preferred shares. The dilutive effect of Series B Preferred Stock and Series C Preferred Stock is computed using the if-converted method, as applicable, which assumes conversion of Series B Preferred Stock and Series C Preferred Stock at the beginning of the period, giving income recognition for the add-back of the preferred share dividends, amortization of beneficial conversion feature, and undistributed earnings allocated to preferred shareholders. The dilutive effect of restricted stock is computed using the treasury stock method, as applicable, which includes the incremental shares that would be hypothetically vested in excess of the number of shares assumed to be hypothetically repurchased with the assumed proceeds.
The following table reconciles numerators and denominators of CenterPoint Energy’s basic and diluted earnings per common share.
Three Months Ended
March 31,
20222021
(in millions, except per share and share amounts)
Numerator:
Income from continuing operations$531 $280 
Less: Preferred stock dividend requirement (Note 18)
13 29 
Less: Undistributed earnings allocated to preferred shareholders (1)
— 23 
Income available to common shareholders from continuing operations - basic518 228 
Add back: Series B Preferred Stock dividend— 17 
Add back: Undistributed earnings allocated to preferred shareholders (1)
— 23 
Income available to common shareholders from continuing operations - diluted518 268 
Income available to common shareholders from discontinued operations - basic and diluted— 83 
Income available to common shareholders - basic and diluted$518 $351 
Denominator:
Weighted average common shares outstanding - basic629,134,000 551,546,000 
Plus: Incremental shares from assumed conversions:
Restricted stock2,170,000 3,114,000 
Series B Preferred Stock— 35,937,000 
Series C Preferred Stock
— 40,823,000 
Weighted average common shares outstanding - diluted631,304,000 631,420,000 
Earnings Per Common Share:
Basic earnings per common share - continuing operations$0.82 $0.41 
Basic earnings per common share - discontinued operations— 0.15 
Basic Earnings Per Common Share$0.82 $0.56 
Diluted earnings per common share - continuing operations$0.82 $0.43 
Diluted earnings per common share - discontinued operations— 0.13 
Diluted Earnings Per Common Share$0.82 $0.56 

(1)There were no undistributed earnings to be allocated to participating securities for the three months ended March 31, 2022.