Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Numerator
Net income before allocation to noncontrolling interests	$ 2,496	$ 2,340	$ 2,111
Less: net income/(loss) attributable to noncontrolling interests	10	(4)	(3)
Net income attributable to Zoetis Inc.	$ 2,486	$ 2,344	$ 2,114
Denominator
Weighted-average common shares outstanding	454,200	461,172	468,891
Common stock equivalents: stock options, RSUs, DSUs and PSUs	648	1,097	1,494
Weighted-average common and potential dilutive shares outstanding	454,848	462,269	470,385
Earnings per share attributable to Zoetis Inc. stockholders—basic (in dollars per share)	$ 5.47	$ 5.08	$ 4.51
Earnings per share attributable to Zoetis stockholders—diluted (in dollars per share)	$ 5.47	$ 5.07	$ 4.49