CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Revenue		$ 2,220	$ 2,190
Costs and expenses:
Cost of sales		622	643
Selling, general and administrative expenses		563	547
Research and development expenses		157	162
Amortization of intangible assets		32	37
Restructuring charges and certain acquisition and divestiture-related costs		0	4
Interest expense, net of capitalized interest		54	58
Other (income)/deductions—net		(18)	(8)
Income before provision for taxes on income	[1]	810	747
Provision for taxes on income		179	148
Net income before allocation to noncontrolling interests		631	599
Less: Net income/(loss) attributable to noncontrolling interests		0	0
Net income attributable to Zoetis Inc.		$ 631	$ 599
Earnings per share attributable to Zoetis Inc. stockholders:
Basic (in dollars per share)		$ 1.41	$ 1.31
Diluted (in dollars per share)		$ 1.41	$ 1.31
Weighted-average common shares outstanding:
Basic (in shares)		447.6	458.0
Diluted (in shares)		448.0	458.8
Dividends paid per common share (in dollars per share)		$ 0.500	$ 0.432

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