CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Revenue		$ 2,460	$ 2,361	$ 4,680	$ 4,551
Costs and expenses:
Cost of sales		649	668	1,271	1,311
Selling, general and administrative expenses		617	581	1,180	1,128
Research and development expenses		172	171	329	333
Amortization of intangible assets		33	35	65	72
Restructuring charges and certain acquisition and divestiture-related costs		30	42	30	46
Interest expense, net of capitalized interest		53	59	107	117
Other (income)/deductions—net		4	25	(14)	17
Income before provision for taxes on income	[1]	902	780	1,712	1,527
Provision for taxes on income		184	156	363	304
Net income before allocation to noncontrolling interests		718	624	1,349	1,223
Less: Net income/(loss) attributable to noncontrolling interests		0	0	0	0
Net income attributable to Zoetis Inc.		$ 718	$ 624	$ 1,349	$ 1,223
Earnings per share attributable to Zoetis Inc. stockholders:
Basic (in dollars per share)		$ 1.61	$ 1.37	$ 3.02	$ 2.68
Diluted (in dollars per share)		$ 1.61	$ 1.37	$ 3.02	$ 2.67
Weighted-average common shares outstanding:
Basic (in shares)		445.1	455.5	446.3	456.7
Diluted (in shares)		445.5	456.0	446.7	457.4
Dividends paid per common share (in dollars per share)		$ 0.500	$ 0.432	$ 1.000	$ 0.864

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