CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023		Jun. 30, 2022
Income Statement [Abstract]
Revenue	$ 2,180	$ 2,052	$ 4,180		$ 4,038
Costs and expenses:
Cost of sales	607	625	1,195		1,194
Selling, general and administrative expenses	556	529	1,061		994
Research and development expenses	146	135	288		257
Amortization of intangible assets	37	37	74		78
Restructuring charges and certain acquisition-related costs	8	1	29		3
Interest expense, net of capitalized interest	58	53	121		106
Other (income)/deductions—net	(104)	2	(157)		9
Income before provision for taxes on income	872	670	1,569	[1]	1,397	[1]
Provision for taxes on income	202	141	348		274
Net income before allocation to noncontrolling interests	670	529	1,221		1,123
Less: Net loss attributable to noncontrolling interests	(1)	0	(2)		(1)
Net income attributable to Zoetis Inc.	$ 671	$ 529	$ 1,223		$ 1,124
Earnings per share attributable to Zoetis Inc. stockholders:
Basic (in dollars per share)	$ 1.45	$ 1.13	$ 2.64		$ 2.39
Diluted (in dollars per share)	$ 1.45	$ 1.12	$ 2.64		$ 2.38
Weighted-average common shares outstanding:
Basic (in shares)	461.9	470.0	462.7		471.1
Diluted (in shares)	462.9	471.5	463.8		472.8
Dividends paid per common share (in dollars per share)	$ 0.375	$ 0.325	$ 0.750		$ 0.650

[1] Defined as income before provision for taxes on income.