CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Revenue		$ 2,002	$ 1,990	$ 6,040	$ 5,809
Costs and expenses:
Cost of sales		607	586	1,801	1,703
Selling, general and administrative expenses		501	504	1,495	1,408
Research and development expenses		134	132	391	370
Amortization of intangible assets		37	40	115	121
Restructuring charges and certain acquisition-related costs		6	9	9	39
Interest expense, net of capitalized interest		53	56	159	170
Other (income)/deductions—net		(3)	4	6	16
Income before provision for taxes on income	[1]	667	659	2,064	1,982
Provision for taxes on income		139	107	413	361
Net income before allocation to noncontrolling interests		528	552	1,651	1,621
Less: Net loss attributable to noncontrolling interests		(1)	0	(2)	(2)
Net income attributable to Zoetis Inc.		$ 529	$ 552	$ 1,653	$ 1,623
Earnings per share attributable to Zoetis Inc. stockholders:
Basic (in dollars per share)		$ 1.13	$ 1.16	$ 3.52	$ 3.42
Diluted (in dollars per share)		$ 1.13	$ 1.16	$ 3.51	$ 3.40
Weighted-average common shares outstanding:
Basic (in shares)		467.8	474.0	470.0	474.8
Diluted (in shares)		469.1	476.3	471.6	477.1
Dividends paid per common share (in dollars per share)		$ 0	$ 0	$ 0.650	$ 0.500

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