Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2023

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)	2023		2022		2021
Numerator
Net income before allocation to noncontrolling interests	$	2,340	$	2,111	$	2,034
Less: net loss attributable to noncontrolling interests	(4)		(3)		(3)
Net income attributable to Zoetis Inc.	$	2,344	$	2,114	$	2,037
Denominator
Weighted-average common shares outstanding	461.172		468.891		474.348
Common stock equivalents: stock options, RSUs, DSUs and PSUs	1.097		1.494		2.369
Weighted-average common and potential dilutive shares outstanding	462.269		470.385		476.717
Earnings per share attributable to Zoetis Inc. stockholders—basic	$	5.08	$	4.51	$	4.29
Earnings per share attributable to Zoetis Inc. stockholders—diluted	$	5.07	$	4.49	$	4.27