CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income before allocation to noncontrolling interests		$ 2,340	$ 2,111	$ 2,034
Other comprehensive loss, net of tax(a):
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	[1]	(5)	86	19
Unrecognized net gains/(losses) on derivative instruments	[1]	(23)	36	42
Foreign currency translation adjustments, net		0	(188)	(101)
Benefit plans: Actuarial gain/(loss), net	[1]	6	13	6
Total other comprehensive loss, net of tax		(22)	(53)	(34)
Comprehensive income before allocation to noncontrolling interests		2,318	2,058	2,000
Less: Comprehensive loss attributable to noncontrolling interests		(4)	(3)	(3)
Comprehensive income attributable to Zoetis Inc.		$ 2,322	$ 2,061	$ 2,003

[1] Presented net of reclassification adjustments, which are not material in any period presented. Reclassification adjustments related to benefit plans are generally reclassified, as part of net periodic pension cost, into Cost of sales, Selling, general and administrative expenses, and/or Research and development expenses, as appropriate, in the Consolidated Statements of Income.