CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024		Sep. 30, 2023
Income Statement [Abstract]
Revenue	$ 2,388	$ 2,151	$ 6,939		$ 6,331
Costs and expenses:
Cost of sales	701	638	2,012		1,833
Selling, general and administrative expenses	565	525	1,693		1,586
Research and development expenses	167	152	500		440
Amortization of intangible assets	35	38	107		112
Restructuring charges and certain acquisition and divestiture-related costs	5	16	51		45
Interest expense, net of capitalized interest	57	59	174		180
Other (income)/deductions—net	(16)	6	1		(151)
Income before provision for taxes on income	874	717	2,401	[1]	2,286	[1]
Provision for taxes on income	182	121	486		469
Net income before allocation to noncontrolling interests	692	596	1,915		1,817
Less: Net income/(loss) attributable to noncontrolling interests	10	0	10		(2)
Net income attributable to Zoetis Inc.	$ 682	$ 596	$ 1,905		$ 1,819
Earnings per share attributable to Zoetis Inc. stockholders:
Basic (in dollars per share)	$ 1.51	$ 1.29	$ 4.18		$ 3.94
Diluted (in dollars per share)	$ 1.50	$ 1.29	$ 4.18		$ 3.93
Weighted-average common shares outstanding:
Basic (in shares)	452.9	460.3	455.4		461.9
Diluted (in shares)	453.5	461.4	456.1		463.0
Dividends paid per common share (in dollars per share)	$ 0	$ 0	$ 0.864		$ 0.750

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