Segment Information - Income Statement Narrative (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenues		$ 8,080	$ 7,776	$ 6,675
CHINA
Segment Reporting Information [Line Items]
Revenues		382	357	266
Zoetis Initiatives
Segment Reporting Information [Line Items]
Gain (loss) on disposal				18
Segment Reconciling Items | Zoetis Initiatives
Segment Reporting Information [Line Items]
Restructuring and Other Cost Productivity Charges		4	24
International Segment | Operating Segments
Segment Reporting Information [Line Items]
Revenues	[1]	3,681	3,652	3,035
International Segment | Euro Member Countries, Euro | Operating Segments
Segment Reporting Information [Line Items]
Revenues		$ 774	$ 814	$ 718

[1] Revenue denominated in euros was $774 million in 2022, $814 million in 2021 and $718 million in 2020.