Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 4,417	$ 4,411	$ 4,764
United States
Disaggregation of Revenue [Line Items]
Revenue	1,983	1,965	2,124
International
Disaggregation of Revenue [Line Items]
Revenue	2,434	2,446	2,640
Pet Health
Disaggregation of Revenue [Line Items]
Revenue	2,104	2,138	2,350
Farm Animal
Disaggregation of Revenue [Line Items]
Revenue	2,271	2,219	2,332
Cattle
Disaggregation of Revenue [Line Items]
Revenue	949	944	980
Poultry
Disaggregation of Revenue [Line Items]
Revenue	765	716	744
Swine
Disaggregation of Revenue [Line Items]
Revenue	382	384	464
Aqua
Disaggregation of Revenue [Line Items]
Revenue	175	175	144
Contract Manufacturing
Disaggregation of Revenue [Line Items]
Revenue	$ 42	$ 54	$ 82