XML 31 R20.htm IDEA: XBRL DOCUMENT v3.24.3
Earnings Per Share
 9 Months Ended
Sep. 30, 2024
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
The calculations of earnings per share are as follows:
 Three Months Ended
September 30,		Nine Months Ended
September 30,
($ and shares in millions except per share amounts)2024202320242023
Net Income Attributable to Merck & Co., Inc.
$3,157 $4,745 $13,374 $1,591 
Average common shares outstanding2,534 2,537 2,534 2,538 
Common shares issuable (1)
7 9 9 11 
Average common shares outstanding assuming dilution 2,541 2,546 2,543 2,549 
Basic Earnings per Common Share Attributable to Merck & Co., Inc. Common Shareholders
$1.25 $1.87 $5.28 $0.63 
Earnings per Common Share Assuming Dilution Attributable to Merck & Co., Inc. Common Shareholders
$1.24 $1.86 $5.26 $0.62 
(1)    Issuable primarily under share-based compensation plans.
For the third quarter of 2024 and 2023, 7 million and 6 million, respectively, and for the first nine months of 2024 and 2023, 6 million and 5 million, respectively, of common shares issuable under share-based compensation plans were excluded from the computations of earnings per common share assuming dilution because the effect would have been antidilutive.