Segment Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) segment	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of Operating Segments | segment	2
Assets	$ 14,237	$ 14,286
Impairment Charges
Segment Reporting Information [Line Items]
Restructuring and Other Cost Productivity Charges	24		$ 47
Segment Reconciling Items | Zoetis Initiatives
Segment Reporting Information [Line Items]
Restructuring and Other Cost Productivity Charges	$ 43	$ 4