Earnings per Share (Tables)

3 Months Ended

Mar. 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:

	Three Months Ended
(MILLIONS OF DOLLARS AND SHARES, EXCEPT PER SHARE DATA)	March 31,
	2022		2021
Numerator
Net income before allocation to noncontrolling interests	$	594	$	558
Less: Net loss attributable to noncontrolling interests	(1)		(1)
Net income attributable to Zoetis Inc.	$	595	$	559
Denominator
Weighted-average common shares outstanding	472.2		475.5
Common stock equivalents: stock options, RSUs, PSUs and DSUs	1.9		2.4
Weighted-average common and potential dilutive shares outstanding	474.1		477.9
Earnings per share attributable to Zoetis Inc. stockholders—basic	$	1.26	$	1.18
Earnings per share attributable to Zoetis Inc. stockholders—diluted	$	1.26	$	1.17