Segment Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) segment	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of Operating Segments | segment	2
Assets	$ 14,925	$ 13,900
Proceeds from Sale of Buildings			$ 20
CEO Transition Costs [Member]
Segment Reporting Information [Line Items]
Restructuring and Other Cost Productivity Charges			16
Impairment Charges [Member]
Segment Reporting Information [Line Items]
Restructuring and Other Cost Productivity Charges	47	46	$ 37
Segment Reconciling Items | Zoetis Initiatives
Segment Reporting Information [Line Items]
Restructuring and Other Cost Productivity Charges	$ 4	$ 24