Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Basic and Diluted Earnings Per Share

The following table presents the calculation of basic and diluted earnings per share:

	Year Ended December 31,
(MILLIONS OF DOLLARS AND SHARES, EXCEPT PER SHARE DATA)	2022		2021		2020
Numerator
Net income before allocation to noncontrolling interests	$	2,111	$	2,034	$	1,636
Less: net loss attributable to noncontrolling interests	(3)		(3)		(2)
Net income attributable to Zoetis Inc.	$	2,114	$	2,037	$	1,638
Denominator
Weighted-average common shares outstanding	468.891		474.348		475.502
Common stock equivalents: stock options, RSUs, DSUs and PSUs	1.494		2.369		3.067
Weighted-average common and potential dilutive shares outstanding	470.385		476.717		478.569
Earnings per share attributable to Zoetis Inc. stockholders—basic	$	4.51	$	4.29	$	3.44
Earnings per share attributable to Zoetis Inc. stockholders—diluted	$	4.49	$	4.27	$	3.42