Revenue Revenue Recognition and Deferred Revenue (Tables)

3 Months Ended

Mar. 31, 2020

Revenue Recognition and Deferred Revenue [Abstract]

Revenue from External Customers by Geographic Areas

Revenue by geographic area

	Three Months Ended
	March 31,
(MILLIONS OF DOLLARS)	2020		2019
United States	$	786	$	718
Australia	43		48
Brazil	63		60
Canada	40		41
China	66		60
France	29		32
Germany	34		37
Italy	21		28
Japan	41		37
Mexico	32		28
Spain	28		27
United Kingdom	55		57
Other developed markets	87		84
Other emerging markets	189		179
	1,514		1,436
Contract manufacturing & human health	20		19
Total Revenue	$	1,534	$	1,455

Revenue from External Customers by Major Species

Revenue by major species

	Three Months Ended
	March 31,
(MILLIONS OF DOLLARS)	2020		2019
U.S.
Companion animal	$	499	$	445
Livestock	287		273
	786		718
International
Companion animal	298		284
Livestock	430		434
	728		718
Contract manufacturing & human health	20		19
Total Revenue	$	1,534	$	1,455

Revenue from External Customers by Species

Revenue by species

	Three Months Ended
	March 31,
(MILLIONS OF DOLLARS)	2020		2019
Companion Animal:
Dogs and Cats	$	746	$	688
Horses	51		41
	797		729
Livestock:
Cattle	370		380
Swine	157		149
Poultry	148		139
Fish	26		23
Sheep and other	16		16
	717		707
Contract manufacturing & human health	20		19
Total Revenue	$	1,534	$	1,455

Schedule of Significant Product Revenues

Revenue by major product category

	Three Months Ended
	March 31,
(MILLIONS OF DOLLARS)	2020		2019
Vaccines	$	349	$	358
Anti-infectives	280		286
Parasiticides	255		231
Other pharmaceuticals	197		190
Dermatology	197		159
Medicated feed additives	125		112
Animal health diagnostics	60		60
Other non-pharmaceuticals	51		40
	1,514		1,436
Contract manufacturing & human health	20		19
Total Revenue	$	1,534	$	1,455