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Earnings Per Share
 12 Months Ended
Dec. 31, 2024
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
AbbVie grants certain restricted stock units (RSUs) that are considered to be participating securities. Due to the presence of participating securities, AbbVie calculates earnings per share (EPS) using the more dilutive of the treasury stock or the two-class method. For all periods presented, the two-class method was more dilutive.
The following table summarizes the impact of the two-class method:
Years ended December 31,
(in millions, except per share data)202420232022
Basic EPS
Net earnings attributable to AbbVie Inc.$4,278 $4,863 $11,836 
Earnings allocated to participating securities40 43 54 
Earnings available to common shareholders$4,238 $4,820 $11,782 
Weighted average basic shares of common stock outstanding1,769 1,768 1,771 
Basic earnings per share attributable to AbbVie Inc.$2.40 $2.73 $6.65 
Diluted EPS
Net earnings attributable to AbbVie Inc.$4,278 $4,863 $11,836 
Earnings allocated to participating securities40 43 54 
Earnings available to common shareholders$4,238 $4,820 $11,782 
Weighted average shares of common stock outstanding1,769 1,768 1,771 
Effect of dilutive securities4 5 7 
Weighted average diluted shares of common stock outstanding1,773 1,773 1,778 
Diluted earnings per share attributable to AbbVie Inc.$2.39 $2.72 $6.63 
Certain shares issuable under stock-based compensation plans were excluded from the computation of EPS because the effect would have been antidilutive. The number of common shares excluded was insignificant for all periods presented.