Revenue (Tables)

9 Months Ended

Sep. 30, 2022

Revenue from Contract with Customer [Abstract]

Summary of Activity in Sales Rebates and Discounts Liability

The following table summarizes the activity in our global sales rebates and discounts liability:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Beginning balance	$	284	$	303	$	316	$	295
Reduction of revenue	169		163		524		516
Payments	(143)		(146)		(525)		(489)
Foreign currency translation adjustments	(12)		(4)		(17)		(6)
Ending balance	$	298	$	316	$	298	$	316

Summary of Disaggregation of Revenue

The following table summarizes our revenue disaggregated by product category:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Pet Health	$	471	$	527	$	1,722	$	1,857
Farm Animal:
Cattle	227		250		722		735
Poultry	176		179		529		536
Swine	95		110		284		346
Aqua	47		44		132		111
Total Farm Animal	545		583		1,667		1,728
Contract Manufacturing (1)	12		21		41		67
Revenue	$	1,028	$	1,131	$	3,430	$	3,652

(1)Represents revenue from arrangements in which we manufacture products on behalf of a third party, including supply agreements associated with divestitures of products related to the acquisition of Bayer Animal Health.