Segment Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) segment	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of Operating Segments | segment	2
Assets	$ 14,286	$ 14,925
Impairment Charges [Member]
Segment Reporting Information [Line Items]
Restructuring and Other Cost Productivity Charges	24	47	$ 46
Segment Reconciling Items | Zoetis Initiatives
Segment Reporting Information [Line Items]
Restructuring and Other Cost Productivity Charges	$ 43	$ 4	$ 24